--------------------------- OMB APPROVAL --------------------------- OMB Number: 3235-0570 Expires: September 30, 2005 Estimated average burden hours per response 19.4 --------------------------- UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-CSR CERTIFIED SHAREHOLDER REPORT OF REGISTERED MANAGEMENT INVESTMENT COMPANIES Investment Company Act file number 811-7986 The Alger Institutional Funds (Exact name of registrant as specified in charter) 111 Fifth Avenue New York, New York 10003 (Address of principal executive offices) (Zip code) Mr. Hal Liebes Fred Alger Management, Inc. 111 Fifth Avenue New York, New York 10003 (Name and address of agent for service) Registrant's telephone number, including area code: 212-806-8800 Date of fiscal year end: October 31 Date of reporting period: October 31, 2005 ITEM 1. REPORT(S) TO STOCKHOLDERS. THE ALGER INSTITUTIONAL FUNDS ALGER LARGECAP GROWTH INSTITUTIONAL FUND ALGER SMALLCAP GROWTH INSTITUTIONAL FUND ALGER MIDCAP GROWTH INSTITUTIONAL FUND ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND ALGER BALANCED INSTITUTIONAL FUND ALGER SOCIALLY RESPONSIBLE GROWTH INSTITUTIONAL FUND ANNUAL REPORT OCTOBER 31, 2005 [LOGO] TABLE OF CONTENTS THE ALGER INSTITUTIONAL FUNDS Letter to Our Shareholders............................................. 1 Fund Highlights (Unaudited)............................................ 7 Portfolio Summary (Unaudited).......................................... 13 Schedules of Investments............................................... 14 Statements of Assets and Liabilities................................... 40 Statements of Operations............................................... 42 Statements of Changes in Net Assets.................................... 44 Financial Highlights................................................... 48 Notes to Financial Statements.......................................... 52 Report of Independent Registered Public Accounting Firm................ 64 Additional Information (Unaudited)..................................... 65 GO PAPERLESS WITH ALGER ELECTRONIC DELIVERY SERVICE Alger is pleased to provide you with the ability to access regulatory materials online. When documents such as prospectuses and annual and semi-annual reports are available, we'll send you an e-mail notification with a convenient link that will take you directly to the fund information on our website. To sign up for this free service, simply enroll at www.icsdelivery.com/alger. Dear Shareholders, December 12, 2005 THE YEAR IN REVIEW The past 12 months had more than their share of challenges. Hurricanes Katrina and Rita devastated the southern coast, leaving hundreds of thousands jobless and without homes, and prompting investor fears of high energy prices (which came true) and inflation (which did not). The war in Iraq entered its third year, and the domestic debate about the war intensified. The job market showed some improvement but job creation and wage growth remained sub-par relative to economic growth and corporate profitability. The Fed--concerned about inflation and the frothiness of the housing market--raised overnight lending rates eight times to 3.75%, the highest level in 4.5 years. In response, anxious investors--and Wall Street professionals, in particular--remained skeptical, adopting a wait-and-see attitude. Despite such understandable concerns, the U.S. equity markets have emerged from the bear market of the early 2000s. In fact, since October of 2002, when the market made a post-bubble low, the major U.S. indices have been very strong. So has the economy, both domestically and globally. Over the past year, the U.S. economy showed steady growth of around 3.5%, core inflation excluding energy remained muted at around 2%, and corporate earnings stayed in double-digits, much to the surprise of most strategists. Growth companies in particular saw healthy stock appreciation. Going forward, we see even greater potential for the better growth managers to outperform their benchmarks and the overall markets. Challenges for consumers did not necessarily translate into problems for investors. High energy prices created investment opportunities, and energy stocks outperformed all other sectors. Additionally, high gas prices prompted exploration into both alternative sources of energy and innovative solutions to reducing fuel consumption. The twin effects of productivity and globalization continue to reshape the competitive landscape for dynamic companies. Information technologies no longer attract the same attention, but their effects on companies are more significant than ever. The result is higher productivity, which translates into higher profitability for many corporations. In addition, more businesses are operating on a global scale, and U.S. corporate profits rose dramatically from foreign sales. Emerging economies in Asia, Latin America and Eastern Europe are all contributing to global economic growth, and China, both as a consumer of raw materials and finished goods and as a producer of products for global consumption, shows no signs of diminishing. Consumers have also been affected by these trends. In the United States, a critical mass of consumers adopted high-speed broadband technology. As a result, the Internet has become more fully integrated into day-to-day life as a ubiquitous resource for retail, services, entertainment, education, communication, and business needs. This has created opportunities for dynamic new business models, whether it is -2- Google in the on-line search and advertising space, eBay and auctions, or Apple iPods and downloadable music files. In sum, for the 12 months ended October 31, 2005, the equity markets experienced modest gains with the Dow gaining 6.4%, the Nasdaq up 8.1% and the S&P 500 up 8.7%. While long-term Treasury yields were markedly inconsistent with the Fed's overnight interest rate increases, the yield on the U.S. Treasury 10-year note was 4.57% on October 31, 2005, compared to 4.05% a year earlier. PORTFOLIO MATTERS ALGER SMALLCAP GROWTH INSTITUTIONAL FUND The Alger SmallCap Growth Institutional Fund gained 24.27% compared to the Russell 2000 Growth Index which returned 10.90%. Our holdings in the information technology sector represented an average weight of 25.50% and significantly outperformed the benchmark. Strong contributors included aQuantive, Inc., one of the industry's most successful families of digital marketing companies; Verifone Holdings Inc., the global leader in secure electronic payment technologies; and SiRF Technology Holdings, Inc. a major provider of wireless technologies. During the fiscal year, we shifted our IT weightings out of computers, peripherals and software, and solidified our weight in internet services. Our holdings in the health care sector accounted for an average weight of 20.61%, and also outperformed the benchmark. Psychiatric Solutions, Inc., a leading provider of behavioral health programs to children and adults, was among the top performers. Other top holdings included Intuitive Surgical, Inc., a leader in surgical robotics, and Versicor Inc., a bio-tech company integrating biology and genomics. We were underweight in the industrial sector at 12.02%, compared to the benchmark at 14.34%. However, we significantly outperformed. Leading contributors included BE Aerospace Inc., the world's leading manufacturer of cabin interior products for commercial aircraft and Joy Global Inc., one of the world's leading providers of mining equipment. In the financials sector, the Fund held a slight underweight to the benchmark, at 9.28%. While our holdings in this sector outperformed, good returns from GFI Group Inc. and National Financial Partners Corporation were offset by poor performances from Universal American Financial Corp. and East West Bancorp Inc. Consumer discretionary holdings were underweight compared to the benchmark and underperformed. In a year beset by rising oil costs, our energy holdings, at an average weight of 7.95%, outperformed the benchmark. Contributors included TODCO, a leading provider of offshore oil and gas drilling services, and Range Resources Corp., an independent U.S. oil and gas company. -3- ALGER MIDCAP GROWTH INSTITUTIONAL FUND For the year ended October 31, 2005, the Alger MidCap Growth Institutional Fund gained 15.97%, compared to the Russell MidCap Growth Index with a return of 15.90%. Our holdings in consumer discretionary, at an average weight of 22.23%, were underweight but out performed the benchmark. Netflix Inc. and Sirius Satellite Radio Inc., both entertainment and media distribution channels, performed well. Toll Brothers Inc., the nation's leading builder of luxury homes, also contributed to the solid performance. Over the course of the year, we minimized our exposure to household durables and increased it in internet and catalog and specialty retail. In the energy sector, we took advantage of the rise in fuel costs by increasing our holdings in oil, gas, and consumable fuels. Compared to the benchmark, the Fund had an overweight at 9.86%, and our holdings significantly outperformed. Strong performers included National Oilwell Varco Inc. and Patterson-UTI Energy, Inc., both prominent oil and gas drilling companies, and EOG Resources, Inc., one of the largest energy resource agencies in the U.S. Both the materials and industrials sectors were also impacted by rising energy prices and our holdings in these sectors outperformed the benchmark with contributors like Peabody Energy Corporation and Joy Global Inc. Information technology, at an average weight of 22.97%, was underweight compared to the benchmark and underperformed. While we saw strong performances from Apple Computer, Inc. and the continued sales dominance of its iPod technology, some holdings underperformed, including PalmSource and Brocade Communications Systems. In the health care sector, the Fund, at 16.96%, was underweight compared to the benchmark and underperformed. Detractors included Elan Corp, PLC and IVAX Corporation, a pharmaceutical company. The Fund was also underweight in the financials sector and underperformed the benchmark. ALGER LARGECAP GROWTH INSTITUTIONAL FUND The Alger LargeCap Growth Institutional Fund gained 15.65% for the fiscal year, solidly outperforming the Russell 1000 Growth Index return of 8.82%. Information technology represented an average weight of 21.33%. Although the Fund was underweight compared to the benchmark, it substantially outperformed in this sector. Strong performers included Apple Computer, Inc. and internet distribution channels Google Inc. and Yahoo! Inc. During the fiscal year we shifted our weight in this sector from communications and electronic equipment to computers, peripherals, and software. At an average weight of 20.22% our holdings in the health care sector were underweight in comparison to the benchmark, but still significantly outperformed it. The Fund's health care holdings were buoyed by strong performances from Genentech, Inc., a biotech firm, CIGNA Corporation, the leading provider of medical insurance, and Caremark Rx, Inc., one of the nation's largest pharmaceutical firms. -4- In the consumer discretionary sector, the Fund was overweight at 20.61% compared to the benchmark, but outperformed with solid returns from Netflix Inc., Hilton Hotels Corp., and MGM MIRAGE. While the Fund saw strong performances in consumer discretionary, we reduced our overall holdings in this sector over the course of the year. In the financials sector, the Fund also outperformed the benchmark. Energy stocks accounted for an average weight of 10.04% of the Fund's holdings. Despite strong returns from oil and gas drilling companies, including National Oilwell Varco Inc. and Transocean Inc., the Fund underperformed the benchmark in this sector. ALGER BALANCED INSTITUTIONAL FUND The Alger Balanced Institutional Fund gained 10.05% for the fiscal year, outperforming the Russell 1000 Growth Index return of 8.82%. Information technology represented an average weight of 20.85% of the Fund's equity holdings, an underweight compared to the benchmark, yet the Fund substantially outperformed in this sector. Strong IT performers included Apple Computer, Inc., Google Inc. and Yahoo! Inc. At an average weight of 20.01% our equity holdings in the health care sector were underweight in comparison to the benchmark, but still significantly outperformed it. The Fund's health care holdings were buoyed by strong performances from Genentech, Inc., CIGNA Corporation, and Caremark Rx, Inc. In the consumer discretionary sector, the Fund was overweight at 20.04% compared to the benchmark, but outperformed with solid returns from Netflix Inc., Hilton Hotels Corp. and MGM MIRAGE. While the Fund saw strong performances in consumer discretionary, we reduced our overall holdings in this sector during the year. In the financials sector, the Fund substantially outperformed the benchmark. Energy stocks accounted for an average weight of 10.18% of the Fund's equity holdings. The Fund underperformed the benchmark in this sector. The fixed income portion of the portfolio reflected a very subdued marketplace this year. As bondholders endured eight 0.25% rate hikes, raising the overnight target lending rate to 3.75% from 2.00% for the fiscal year ended October 31, 2005, the Alger Balanced Fund returned 0.35%. The fixed income portion held 8% Cash, 24% Corporates, 38% U.S. Treasuries, and 30% U.S. Agencies with an average quality rating of Aa2/AA. ALGER SOCIALLY RESPONSIBLE GROWTH INSTITUTIONAL FUND The Alger Socially Responsible Growth Institutional Fund gained 19.78% for the year ended October 31, 2005, substantially outperforming the Russell 3000 Growth Index return of 8.99%. Information technology represented an average weight of 27.78% of the Fund's holdings, outperforming the benchmark. Strong performers included Google Inc., Palm -5- Inc., and Verifone Holdings Inc. Throughout the year we shifted our weight in this sector from software to internet services. Slightly underweight to the benchmark, at 20.53%, our holdings in the health care sector also significantly outperformed. The Fund's health care holdings were buoyed by strong performances from Genentech, Inc., PacifiCare Health Systems Inc., and Kinetic Concepts Inc., a provider of patient therapy and equipment. At an average weight of 7.55%, the Fund was overweight to the benchmark in the energy sector, but outperformed. Strong returns in this sector included National Oilwell Varco Inc., Lone Star Technologies, Inc., a provider of pipeline and tubing for the oil and gas industries, and Talisman Energy Inc. The materials and industrials sectors also benefited from high energy prices, and the Fund saw solid returns from Peabody Energy Corporation, Burlington Northern Santa Fe Corporation, and Uti Worldwide Inc. In the consumer discretionary sector, the Fund was underweight at 10.56% compared to the benchmark, but outperformed with holdings including Sirius Satellite Radio Inc., eBay Inc., and Abercrombie & Fitch Co. The Fund was also underweight in consumer staples, at 7.27%, but outperformed with solid fiscal year-end performances by CVS Corporation, Wal-Mart Stores Inc., and Gillette. As we observed continued strong performances in consumer staples, we increased our holdings in this sector, and decreased in consumer discretionary. ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND The Alger Capital Appreciation Institutional Fund gained 20.18% for the fiscal year, substantially outperforming the Russell 3000 Growth Index return of 8.99%. Information technology represented an average weight of 27.32% of the Fund's holdings, and considerably outperformed the benchmark. Strong IT performers included Google Inc., Palm Inc., and Verifone Holdings Inc. Throughout the year we shifted our weight in this sector from software to internet services. At an average weight of 23.63% our holdings in the health care sector also significantly outperformed the benchmark. The Fund's industrial holdings also performed well, at an average weight of 9.89%. Strong performers included Uti Worldwide, Inc. and the Burlington Northern Santa Fe Corporation railway. In the consumer discretionary sector, the Fund was underweight at 11.26% compared to the benchmark, but outperformed with a strong, early performance by eBay Inc. and Sirius Satellite Radio Inc. At an average weight of 6.22%, the Fund was markedly underweight in consumer staples. Poor performances by Wal-Mart Stores, Inc. and Avon Products, Inc. were offset by strong returns from contributors like CVS Corporation and Gillette. As we continued to observe similar strong performances, we increased our holdings in this sector by year end. -6- Energy stocks accounted for an average weight of 6.05%, and rising energy prices saw strong returns in this sector. The materials sector also exploited high energy prices. While the Fund held only a minor average weight of 3.03% in this sector, the Fund markedly outperformed the benchmark, with strong returns from Peabody Energy Corporation. LOOKING AHEAD At Alger, we look for dynamic, innovative companies regardless of whether the stock markets are dominated by bulls or bears. Our long-term success is not a product of momentum or fads, but that of a highly-disciplined approach grounded in fundamental, bottom-up research, and bolstered by the thorough conviction of our analysts. Looking ahead in 2006, we anticipate a year similar to 2005, with continued strong corporate earnings, and an equity market that increasingly recognizes growth and responds in kind. As we end another fiscal year, we'd like to take the opportunity to thank you for growing with us, and continuing to entrust us with your investment needs. Respectfully submitted, /s/ Daniel C. Chung Daniel C. Chung CHIEF INVESTMENT OFFICER IMPORTANT PERFORMANCE AND OTHER INFORMATION The views of the funds' management and the portfolio holdings described in this report are as of October 31, 2005; these views and portfolio holdings may have changed subsequent to this date and they do not guarantee the future performance of the markets or the Fund. Information provided in this report should not be considered a recommendation to purchase or sell securities. A WORD ABOUT RISK For a more detailed discussion of the risks associated with a Fund, please see the Funds' Prospectus. PERFORMANCE PERFORMANCE DATA QUOTED IS HISTORICAL. PAST PERFORMANCE IS NOT AN INDICATION OR A GUARANTEE OF FUTURE RESULTS. INVESTMENT RETURN AND PRINCIPAL VALUE OF AN INVESTMENT WILL FLUCTUATE SO THAT AN INVESTOR'S SHARES, WHEN REDEEMED, MAY BE WORTH MORE OR LESS THAN THEIR ORIGINAL COST. CURRENT PERFORMANCE MAY BE HIGHER OR LOWER THAN THE PERFORMANCE QUOTED. Investors should consider the Funds' investment objective, risks and charges and expenses carefully before investing. The Funds' prospectus contains this and other information about the Fund, and may be obtained by asking your financial advisor, calling (800) 992-5437, visiting our website at www.alger.com, or contacting the Funds' distributor, Fred Alger & Company, Incorporated, 30 Montgomery Street, Jersey City, New Jersey 07302. Read the prospectus carefully before investing. -7- - -------------------------------------------------------------------------------- ALGER LARGECAP GROWTH INSTITUTIONAL FUND FUND HIGHLIGHTS THROUGH OCTOBER 31, 2005 (UNAUDITED) - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- $10,000 HYPOTHETICAL INVESTMENT IN CLASS I SHARES--10 YEARS ENDED 10/31/05 - -------------------------------------------------------------------------------- [The following table represents a line chart in the printed piece.] Alger Russell LargeCap 1000 Growth Growth Institutional I Index --------------- ------- 11/1/95 10000 10000 10/31/96 10819 12205 10/31/97 13939 15922 10/31/98 17482 19845 10/31/99 24824 26641 10/31/00 27374 29126 10/31/01 19839 17495 10/31/02 14841 14063 10/31/03 18270 17130 10/31/04 18526 17711 10/31/05 21426 19273 The chart above illustrates the growth in value of a hypothetical $10,000 investment made in the Alger LargeCap Growth Institutional Class I shares and the Russell 1000 Growth Index for the ten years ended October 31, 2005. The figures for the Alger LargeCap Growth Institutional Class I shares and the Russell 1000 Growth Index (an unmanaged index of common stocks) include reinvestment of dividends. Performance for the Alger LargeCap Growth Institutional Class R shares may vary from the results shown above due to differences in expenses the class bears. - -------------------------------------------------------------------------------- PERFORMANCE COMPARISON AS OF OCTOBER 31, 2005 - -------------------------------------------------------------------------------- AVERAGE ANNUAL RETURNS 1 YEAR 5 YEARS 10 YEARS SINCE INCEPTION --------------------------------------------------- Class I (INCEPTION 11/8/93) 15.65% (4.78%) 7.92% 9.75% Russell 1000 Growth Index 8.82% 7.93% 6.78% 8.40% - -------------------------------------------------------------------------------- Class R (INCEPTION 1/27/03) 15.15% -- -- 16.52% Russell 1000 Growth Index 8.82% -- -- 13.70% - -------------------------------------------------------------------------------- THE FUND'S AVERAGE ANNUAL TOTAL RETURNS INCLUDE CHANGES IN SHARE PRICE AND REINVESTMENT OF DIVIDENDS AND CAPITAL GAINS. THE GRAPH AND TABLE ABOVE DO NOT REFLECT THE DEDUCTION OF TAXES THAT A SHAREHOLDER WOULD HAVE PAID ON FUND DISTRIBUTIONS OR ON THE REDEMPTION OF FUND SHARES. INVESTMENT RETURN AND PRINCIPAL WILL FLUCTUATE AND THE FUND'S SHARES, WHEN REDEEMED, MAY BE WORTH MORE OR LESS THAN THEIR ORIGINAL COST. PAST PERFORMANCE DOES NOT GUARANTEE FUTURE RESULTS. -8- - -------------------------------------------------------------------------------- ALGER SMALLCAP GROWTH INSTITUTIONAL FUND FUND HIGHLIGHTS THROUGH OCTOBER 31, 2005 (UNAUDITED) - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- $10,000 HYPOTHETICAL INVESTMENT IN CLASS I SHARES--10 YEARS ENDED 10/31/05 - -------------------------------------------------------------------------------- [The following table represents a line chart in the printed piece.] Alger Russell SmallCap 2000 Growth Growth Institutional I Index --------------- ------- 11/1/95 10000 10000 10/31/96 10920 11332 10/31/97 12994 13732 10/31/98 12763 11555 10/31/99 19493 14940 10/31/00 21453 17354 10/31/01 12044 11886 10/31/02 9897 9323 10/31/03 13623 13661 10/31/04 14498 14417 10/31/05 18016 15989 The chart above illustrates the growth in value of a hypothetical $10,000 investment made in the Alger SmallCap Growth Institutional Class I shares and the Russell 2000 Growth Index for the ten years ended October 31, 2005. The figures for the Alger SmallCap Growth Institutional Class I shares and the Russell 2000 Growth Index (an unmanaged index of common stocks) include reinvestment of dividends. Performance for the Alger SmallCap Growth Institutional Class R shares may vary from the results shown above due to differences in expenses the class bears. - -------------------------------------------------------------------------------- PERFORMANCE COMPARISON AS OF OCTOBER 31, 2005 - -------------------------------------------------------------------------------- AVERAGE ANNUAL RETURNS 1 YEAR 5 YEARS 10 YEARS SINCE INCEPTION -------------------------------------------------- Class I (INCEPTION 11/8/93) 24.27% (3.43%) 6.06% 10.31% Russell 2000 Growth Index 10.90% (1.63%) 4.80% 5.63% - -------------------------------------------------------------------------------- Class R (INCEPTION 1/27/03) 23.92% -- -- 24.71% Russell 2000 Growth Index 10.90% -- -- 21.58% - -------------------------------------------------------------------------------- THE FUND'S AVERAGE ANNUAL TOTAL RETURNS INCLUDE CHANGES IN SHARE PRICE AND REINVESTMENT OF DIVIDENDS AND CAPITAL GAINS. THE GRAPH AND TABLE ABOVE DO NOT REFLECT THE DEDUCTION OF TAXES THAT A SHAREHOLDER WOULD HAVE PAID ON FUND DISTRIBUTIONS OR ON THE REDEMPTION OF FUND SHARES. INVESTMENT RETURN AND PRINCIPAL WILL FLUCTUATE AND THE FUND'S SHARES, WHEN REDEEMED, MAY BE WORTH MORE OR LESS THAN THEIR ORIGINAL COST. PAST PERFORMANCE DOES NOT GUARANTEE FUTURE RESULTS. -9- - -------------------------------------------------------------------------------- ALGER MIDCAP GROWTH INSTITUTIONAL FUND FUND HIGHLIGHTS THROUGH OCTOBER 31, 2005 (UNAUDITED) - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- $10,000 HYPOTHETICAL INVESTMENT IN CLASS I SHARES--10 YEARS ENDED 10/31/05 - -------------------------------------------------------------------------------- [The following table represents a line chart in the printed piece.] Alger Russell MidCap Midcap Growth Growth Institutional I Index --------------- ------- 11/1/95 10000 10000 10/31/96 10624 11796 10/31/97 13660 14698 10/31/98 15231 15054 10/31/99 21687 20727 10/31/00 32809 28741 10/31/01 26068 16445 10/31/02 21027 13548 10/31/03 28882 18873 10/31/04 30055 20529 10/31/05 34853 23792 The chart above illustrates the growth in value of a hypothetical $10,000 investment made in the Alger MidCap Growth Institutional Class I shares and the Russell Midcap Growth Index for the ten years ended October 31, 2005. Figures for the Alger MidCap Growth Institutional Class I shares and the Russell Midcap Growth Index (an unmanaged index of common stocks) include reinvestment of dividends. Performance for the Alger MidCap Growth Institutional Class R shares may vary from the results shown above due to differences in expenses the class bears. - -------------------------------------------------------------------------------- PERFORMANCE COMPARISON AS OF OCTOBER 31, 2005 - -------------------------------------------------------------------------------- AVERAGE ANNUAL RETURNS 1 YEAR 5 YEARS 10 YEARS SINCE INCEPTION -------------------------------------------------- Class I (INCEPTION 11/8/93) 15.97% 1.22% 13.30% 16.54% Russell Midcap Growth Index 15.90% (3.71%) 9.05% 9.74% - -------------------------------------------------------------------------------- Class R (INCEPTION 1/27/03) 15.37% -- -- 21.59% Russell Midcap Growth Index 15.90% -- -- 22.41% - -------------------------------------------------------------------------------- THE FUND'S AVERAGE ANNUAL TOTAL RETURNS INCLUDE CHANGES IN SHARE PRICE AND REINVESTMENT OF DIVIDENDS AND CAPITAL GAINS. THE GRAPH AND TABLE ABOVE DO NOT REFLECT THE DEDUCTION OF TAXES THAT A SHAREHOLDER WOULD HAVE PAID ON FUND DISTRIBUTIONS OR ON THE REDEMPTION OF FUND SHARES. INVESTMENT RETURN AND PRINCIPAL WILL FLUCTUATE AND THE FUND'S SHARES, WHEN REDEEMED, MAY BE WORTH MORE OR LESS THAN THEIR ORIGINAL COST. PAST PERFORMANCE DOES NOT GUARANTEE FUTURE RESULTS. -10- - -------------------------------------------------------------------------------- ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND FUND HIGHLIGHTS THROUGH OCTOBER 31, 2005 (UNAUDITED) - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- $10,000 HYPOTHETICAL INVESTMENT IN CLASS I SHARES--10 YEARS ENDED 10/31/05 - -------------------------------------------------------------------------------- [The following table represents a line chart in the printed piece.] Alger Russell Capital 3000 Appreciation Growth Institutional I Index --------------- ------- 11/1/95 10000 10000 10/31/96 10611 12114 10/31/97 13377 15705 10/31/98 17138 18907 10/31/99 31592 25316 10/31/00 35744 27798 10/31/01 23087 16861 10/31/02 17760 13532 10/31/03 21899 16691 10/31/04 21879 17279 10/31/05 26294 18832 The chart above illustrates the growth in value of a hypothetical $10,000 investment made in the Alger Capital Appreciation Institutional Class I shares and the Russell 3000 Growth Index for the ten years ended October 31, 2005. Figures for the Alger Capital Appreciation Institutional Class I shares and the Russell 3000 Growth Index (an unmanaged index of common stocks) include reinvestment of dividends. Performance for the Alger Capital Appreciation Institutional Class R shares may vary from the results shown above due to differences in expenses the class bears. - -------------------------------------------------------------------------------- PERFORMANCE COMPARISON AS OF OCTOBER 31, 2005 - -------------------------------------------------------------------------------- AVERAGE ANNUAL RETURNS 1 YEAR 5 YEARS 10 YEARS SINCE INCEPTION ---------------------------------------------- Class I shares (INCEPTION 11/8/93) 20.18% (5.96%) 10.15% 12.48% Russell 3000 Growth Index 8.99% (7.49%) 6.53% 8.09% - -------------------------------------------------------------------------------- Class R shares (INCEPTION 1/27/03) 19.54% -- -- 17.61% Russell 3000 Growth Index 8.99% -- -- 14.23% - -------------------------------------------------------------------------------- THE FUND'S AVERAGE ANNUAL TOTAL RETURNS INCLUDE CHANGES IN SHARE PRICE AND REINVESTMENT OF DIVIDENDS AND CAPITAL GAINS. THE GRAPH AND TABLE ABOVE DO NOT REFLECT THE DEDUCTION OF TAXES THAT A SHAREHOLDER WOULD HAVE PAID ON FUND DISTRIBUTIONS OR ON THE REDEMPTION OF FUND SHARES. INVESTMENT RETURN AND PRINCIPAL WILL FLUCTUATE AND THE FUND'S SHARES, WHEN REDEEMED, MAY BE WORTH MORE OR LESS THAN THEIR ORIGINAL COST. PAST PERFORMANCE DOES NOT GUARANTEE FUTURE RESULTS. -11- - -------------------------------------------------------------------------------- ALGER BALANCED INSTITUTIONAL FUND FUND HIGHLIGHTS THROUGH OCTOBER 31, 2005 (UNAUDITED) - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- $10,000 HYPOTHETICAL INVESTMENT SINCE INCEPTION DECEMBER 4, 2000 - -------------------------------------------------------------------------------- [The following table represents a line chart in the printed piece.] Russell Lehman Alger 1000 Gov't/Credit Balanced Growth Bond Institutional I Index Index --------------- ------- ------------ 12/4/00 10000 10000 10000 10/31/01 8200 11139 7067 10/31/02 6670 11749 5680 10/31/03 7410 12475 6919 10/31/04 7504 13172 7154 10/31/05 8258 13280 7785 The chart above illustrates the change in value of a hypothetical $10,000 investment made in the Alger Balanced Institutional Class I shares, the Russell 1000 Growth Index and the Lehman Gov't/Credit Bond Index on December 4, 2000, the inception date of the Alger Balanced Institutional Class I shares, through October 31, 2005. Figures for the Alger Balanced Institutional Class I shares, the Russell 1000 Growth Index (an unmanaged index of common stocks) and the Lehman Gov't/Credit Bond Index (an unmanaged index of government and corporate bonds) include reinvestment of dividends and/or interest. Performance for the Alger Balanced Institutional Class R shares may vary from the results shown above due to differences in expenses the class bears. - -------------------------------------------------------------------------------- PERFORMANCE COMPARISON AS OF OCTOBER 31, 2005 - -------------------------------------------------------------------------------- AVERAGE ANNUAL RETURNS 1 YEAR SINCE INCEPTION -------------------------------------- Class I shares (INCEPTION 12/4/00) 10.05% (3.82%) Russell 1000 Growth Index 8.82% (4.97%) Lehman Gov't/Credit Bond Index 0.82% 5.95% - -------------------------------------------------------------------------------- Class R shares (INCEPTION 1/27/03) 9.56% 8.91% Russell 1000 Growth Index 8.82% 13.70% Lehman Gov't/Credit Bond Index 0.82% 3.57% - -------------------------------------------------------------------------------- THE FUND'S AVERAGE ANNUAL TOTAL RETURNS INCLUDE CHANGES IN SHARE PRICE AND REINVESTMENT OF DIVIDENDS AND CAPITAL GAINS. THE GRAPH AND TABLE ABOVE DO NOT REFLECT THE DEDUCTION OF TAXES THAT A SHAREHOLDER WOULD HAVE PAID ON THE REDEMPTION OF FUND SHARES. INVESTMENT RETURN AND PRINCIPAL WILL FLUCTUATE AND THE FUND'S SHARES, WHEN REDEEMED, MAY BE WORTH MORE OR LESS THAN THEIR ORIGINAL COST. PAST PERFORMANCE DOES NOT GUARANTEE FUTURE RESULTS. -12- - -------------------------------------------------------------------------------- ALGER SOCIALLY RESPONSIBLE GROWTH INSTITUTIONAL FUND FUND HIGHLIGHTS THROUGH OCTOBER 31, 2005 (UNAUDITED) - -------------------------------------------------------------------------------- - -------------------------------------------------------------------------------- $10,000 HYPOTHETICAL INVESTMENT SINCE INCEPTION DECEMBER 4, 2000 - -------------------------------------------------------------------------------- [The following table represents a line chart in the printed piece.] Alger Russell Socially 3000 Responsible Growth Growth Institutional I Index --------------- ------- 12/4/00 10000 10000 10/31/01 6370 7305 10/31/02 4430 5863 10/31/03 5380 7232 10/31/04 5396 7487 10/31/05 6463 8159 The chart above illustrates the change in value of a hypothetical $10,000 investment made in the Alger Socially Responsible Growth Institutional Class I shares and the Russell 3000 Growth Index on December 4, 2000, the inception date of the Alger Socially Responsible Growth Institutional Class I shares, through October 31, 2005. Figures for the Alger Socially Responsible Growth Institutional Class I shares and the Russell 3000 Growth Index (an unmanaged index of common stocks) include reinvestment of dividends. Performance for the Alger Socially Responsible Growth Institutional Class R shares may vary from the results shown above due to differences in expenses the class bears. - -------------------------------------------------------------------------------- PERFORMANCE COMPARISON AS OF OCTOBER 31, 2005 - -------------------------------------------------------------------------------- AVERAGE ANNUAL RETURNS 1 YEAR SINCE INCEPTION ------------------------------------------ Class I (INCEPTION 12/4/00) 19.78% (8.50%) Russell 3000 Growth Index 8.99% (4.06%) - -------------------------------------------------------------------------------- Class R (INCEPTION 1/27/03) 18.93% 17.05% Russell 3000 Growth Index 8.99% 14.23% - -------------------------------------------------------------------------------- THE FUND'S AVERAGE ANNUAL TOTAL RETURNS INCLUDE CHANGES IN SHARE PRICE AND REINVESTMENT OF DIVIDENDS AND CAPITAL GAINS. THE GRAPH AND TABLE ABOVE DO NOT REFLECT THE DEDUCTION OF TAXES THAT A SHAREHOLDER WOULD HAVE PAID ON THE REDEMPTION OF FUND SHARES. INVESTMENT RETURN AND PRINCIPAL WILL FLUCTUATE AND THE FUND'S SHARES, WHEN REDEEMED, MAY BE WORTH MORE OR LESS THAN THEIR ORIGINAL COST. PAST PERFORMANCE DOES NOT GUARANTEE FUTURE RESULTS. -13- PORTFOLIO SUMMARY* (UNAUDITED) SOCIALLY LARGECAP SMALLCAP MIDCAP CAPITAL RESPONSIBLE GROWTH GROWTH GROWTH APPRECIATION GROWTH INSTITUTIONAL INSTITUTIONAL INSTITUTIONAL INSTITUTIONAL INSTITUTIONAL SECTORS FUND FUND FUND FUND FUND - ------- ------------- ------------- ------------- ------------- ------------- Consumer Discretionary ....... 15.0% 11.8% 15.3% 10.6% 11.5% Consumer Staples ............. 2.7 0.8 -- 9.1 8.4 Energy ....................... 14.6 7.6 15.5 8.8 10.7 Financials ................... 9.0 8.4 6.3 3.7 3.7 Health Care .................. 21.7 21.4 20.2 21.8 20.0 Industrials .................. 3.6 13.7 7.7 10.2 6.6 Information Technology ....... 27.4 23.4 23.2 27.0 28.0 Materials .................... 1.0 2.0 2.4 1.5 1.5 Telecommunication Services ... 2.1 2.9 3.8 4.6 5.1 Cash and Net Other Assets .... 2.9 8.0 5.6 2.7 4.5 ------ ------ ------ ------ ------ 100.0% 100.0% 100.0% 100.0% 100.0% ====== ====== ====== ====== ====== BALANCED INSTITUTIONAL SECTORS/SECURITY TYPE FUND - --------------------- ------------- Consumer Discretionary ........................................ 10.8% Consumer Staples .............................................. 1.8 Energy ........................................................ 9.4 Financials .................................................... 5.9 Health Care ................................................... 14.3 Industrials ................................................... 2.3 Information Technology ........................................ 17.9 Materials ..................................................... 0.6 Telecommunication Services .................................... 1.2 ------- Total Common Stocks ......................................... 64.2% ------- Corporate Bonds ............................................... 8.3% Agency Bonds .................................................. 10.1 US Treasury Bonds ............................................. 13.0 ------- Total Bonds ................................................. 31.4% ------- Cash and Net Other Assets ..................................... 4.4% ------- 100.0% ======= - ---------- * Based on Net Assets -14- THE ALGER INSTITUTIONAL FUNDS ALGER LARGECAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS October 31, 2005 SHARES COMMON STOCKS--97.1% VALUE --------- -------- AEROSPACE & DEFENSE--2.2% 17,450 General Dynamics Corporation .................... $ 2,029,435 ----------- BIOTECHNOLOGY--5.6% 23,150 Amgen Inc.* ..................................... 1,753,844 16,900 Genentech, Inc.* ................................ 1,531,140 18,600 Gilead Sciences, Inc.* .......................... 878,850 27,200 MedImmune, Inc.* ................................ 951,456 ----------- 5,115,290 ----------- CAPITAL MARKETS--3.2% 15,000 Legg Mason, Inc. ................................ 1,609,650 19,600 Merrill Lynch & Co., Inc. ....................... 1,268,904 ----------- 2,878,554 ----------- CHEMICALS--1.0% 32,300 Lyondell Chemical Company ...................... 865,640 ----------- COMMUNICATION EQUIPMENT--7.3% 50,100 Corning Incorporated* ........................... 1,006,509 89,100 Motorola, Inc. .................................. 1,974,456 42,100 QUALCOMM Inc. ................................... 1,673,896 31,250 Research In Motion Limited* ..................... 1,921,563 ----------- 6,576,424 ----------- COMMUNICATION TECHNOLOGY--1.0% 36,950 Nextel Partners, Inc. Cl. A* .................... 929,292 ----------- COMPUTERS & PERIPHERALS--4.6% 56,000 Apple Computer, Inc.* ........................... 3,225,040 34,050 Network Appliance, Inc.* ........................ 931,608 ----------- 4,156,648 ----------- DIVERSIFIED FINANCIAL SERVICES--2.4% 16,900 Citigroup Inc. .................................. 773,682 28,100 Principal Financial Group (The)* ................ 1,394,603 ----------- 2,168,285 ----------- DIVERSIFIED TELECOMMUNICATION SERVICES--1.0% 15,300 ALLTEL Corporation .............................. 946,457 ----------- ELECTRONICS--1.0% 64,000 Nintendo Co., Ltd. ADR# ......................... 890,682 ----------- ENERGY EQUIPMENT & SERVICES--4.4% 33,850 National-Oilwell Varco Inc.* .................... 2,114,609 27,900 Suncor Energy, Inc. ............................. 1,496,277 8,050 Transocean Inc.* ................................ 462,795 ----------- 4,073,681 ----------- FINANCIAL INFORMATION SERVICES--1.0% 28,900 Genworth Financial Inc. Cl. A ................... 915,840 ----------- HEALTH CARE EQUIPMENT & SUPPLIES--1.8% 15,450 Medtronic, Inc. ................................. 875,397 15,450 St. Jude Medical, Inc.* ......................... 742,682 ----------- 1,618,079 ----------- -15- THE ALGER INSTITUTIONAL FUNDS ALGER LARGECAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS) (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- HEALTH CARE PROVIDERS & SERVICES--8.8% 33,300 Caremark Rx, Inc.* .............................. $ 1,744,920 12,300 CIGNA Corporation ............................... 1,425,201 56,350 Humana Inc.* .................................... 2,501,377 41,450 Medco Health Solutions, Inc.* ................... 2,341,925 ----------- 8,013,423 ----------- HOTELS, RESTAURANTS & LEISURE--3.3% 18,550 Carnival Corporation ............................ 921,379 16,100 Starbucks Corporation* .......................... 455,308 27,050 Starwood Hotels & Resorts Worldwide, Inc. ....... 1,580,531 ----------- 2,957,218 ----------- HOUSEHOLD PRODUCTS--1.8% 28,356 Procter & Gamble Company ........................ 1,587,651 ----------- INSURANCE--2.4% 21,000 American International Group, Inc. .............. 1,360,800 27,300 Marsh & McLennan Companies, Inc. ................ 795,795 ----------- 2,156,595 ----------- INTERNET & CATALOG RETAIL--3.5% 50,500 eBay Inc.* ...................................... 1,999,800 43,450 Netflix Inc.* ................................... 1,147,515 ----------- 3,147,315 ----------- INTERNET SOFTWARE & SERVICES--6.7% 8,700 Google Inc. Cl. A* .............................. 3,237,618 76,250 Yahoo! Inc.* .................................... 2,818,963 ----------- 6,056,581 ----------- MACHINERY--1.4% 23,450 Caterpillar Inc. ................................ 1,233,236 ----------- MEDIA--5.8% 42,050 Disney (Walt) Company ........................... 1,024,758 63,300 News Corporation Cl. A .......................... 902,025 218,850 Sirius Satellite Radio Inc.* .................... 1,365,624 17,100 Univision Communications Inc. Cl. A* ............ 446,994 53,050 XM Satellite Radio Holdings Inc. Cl. A* ......... 1,529,432 ----------- 5,268,833 ----------- METALS & MINING--3.0% 34,200 Peabody Energy Corporation ...................... 2,673,072 ----------- MULTILINE RETAIL--.9% 13,000 Federated Department Stores, Inc. ............... 797,810 ----------- OIL & GAS--7.1% 10,050 Burlington Resources Inc. ....................... 725,811 28,550 Chesapeake Energy Corporation ................... 916,455 25,750 Sasol Ltd. ADR# ................................. 823,485 57,550 Talisman Energy Inc. ............................ 2,548,890 13,800 Valero Energy Corporation ....................... 1,452,312 ----------- 6,466,953 ----------- -16- THE ALGER INSTITUTIONAL FUNDS ALGER LARGECAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- PERSONAL CARE--1.9% 22,750 Bausch & Lomb Incorporated ...................... $ 1,687,823 ----------- PHARMACEUTICALS--3.6% 76,250 Schering-Plough Corporation ..................... 1,550,925 38,000 Wyeth ........................................... 1,693,280 ----------- 3,244,205 ----------- SEMICONDUCTORS & SEMICONDUCTOR EQUIPMENT--3.2% 53,500 Altera Corporation* ............................. 890,775 29,250 Intel Corporation ............................... 687,375 28,800 Marvell Technology Group Ltd.* .................. 1,336,608 ----------- 2,914,758 ----------- SOFTWARE--4.6% 40,700 Check Point Software Technologies Ltd.* ......... 910,052 53,300 Microsoft Corporation ........................... 1,369,810 79,650 Oracle Corporation* ............................. 1,009,962 38,200 Symantec Corporation* ........................... 911,070 ----------- 4,200,894 ----------- SPECIALTY RETAIL--1.6% 35,200 Bed Bath & Beyond Inc.* ......................... 1,426,304 ----------- TOBACCO--1.0% 11,800 Altria Group, Inc. .............................. 885,590 ----------- Total Common Stocks (Cost $81,807,970) ............................ 87,882,568 ----------- PRINCIPAL AMOUNT SHORT-TERM INVESTMENTS--1.8% ---------- U.S. AGENCY OBLIGATIONS $1,670,000 Federal National Mortgage Association, 3.62%, 11/1/05 (Cost $1,670,000) ..................... 1,670,000 ----------- Total Investments (Cost $83,477,970)(a) ............................. 98.9% 89,552,568 Other Assets in Excess of Liabilities ............... 1.1 998,382 ----- ----------- Net Assets .......................................... 100.0% $90,550,950 ===== =========== - ---------- * Non-income producing security. # American Depositary Receipts. (a) At October 31, 2005, the net unrealized appreciation on investments, based on cost for federal income tax purposes of $84,360,362 amounted to $5,192,206 which consisted of aggregate gross unrealized appreciation of $7,720,489 and aggregate gross unrealized depreciation of $2,528,283. See Notes to Financial Statements. -17- THE ALGER INSTITUTIONAL FUNDS ALGER SMALLCAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS October 31, 2005 SHARES COMMON STOCKS--92.0% VALUE --------- -------- AEROSPACE & DEFENSE--3.3% 47,550 BE Aerospace, Inc.* ............................. $ 862,081 21,750 Esterline Technologies Corporation* ............. 818,887 25,100 SI International Inc.* .......................... 724,637 ----------- 2,405,605 ----------- AIRLINES--1.1% 52,250 AirTran Holdings, Inc.* ......................... 781,660 ----------- AUTO COMPONETS--.7% 17,900 LKQ Corporation* ................................ 542,370 ----------- COMMERCIAL BANKS--1.2% 31,650 Boston Private Financial Holdings, Inc. ......... 916,268 ----------- BIOTECHNOLOGY--4.8% 42,050 Alkermes, Inc.* ................................. 684,994 53,950 Encysive Pharmaceuticals Inc.* .................. 566,475 22,800 Keryx Biopharmaceuticals, Inc.* ................. 329,460 30,250 Rigel Pharmaceuticals, Inc.* .................... 679,113 27,300 Theravance, Inc.* ............................... 591,591 30,600 Vertex Pharmaceuticals Incorporated* ............ 696,150 ----------- 3,547,783 ----------- CAPITAL MARKETS--3.1% 9,800 Affiliated Managers Group, Inc.* ................ 752,150 15,500 Greenhill & Co., Inc. ........................... 743,225 16,950 National Financial Partners Corporation ......... 766,649 ----------- 2,262,024 ----------- CHEMICALS--.9% 21,550 Westlake Chemical Corporation ................... 627,105 ----------- COMMERCIAL SERVICES & SUPPLIES--5.2% 13,450 CoStar Group Inc.* .............................. 644,927 33,650 FTI Consulting, Inc.* ........................... 921,001 29,650 Gevity HR, Inc. ................................. 763,191 35,900 Navigant Consulting, Inc.* ...................... 752,823 24,550 Universal Technical Institute Inc.* ............. 769,151 ----------- 3,851,093 ----------- COMMUNICATION EQUIPMENT--1.8% 11,975 F5 Networks, Inc.* .............................. 623,059 59,200 Powerwave Technologies, Inc.* ................... 663,632 ----------- 1,286,691 ----------- COMPUTER SERVICES--1.0% 36,300 Open Solutions Inc.* ............................ 777,183 ----------- COMPUTER TECHNOLOGY--.9% 55,250 Secure Computing Corporation* ................... 661,895 ----------- CONSTRUCTION & ENGINEERING--1.2% 22,200 URS Corporation* ................................ 897,546 ----------- ELECTRONIC EQUIPMENT & INSTRUMENTS--.5% 12,900 Multi-Fineline Electronix, Inc.* ................ 343,398 ----------- -18- THE ALGER INSTITUTIONAL FUNDS ALGER SMALLCAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- ENERGY EQUIPMENT & SERVICES--2.8% 28,400 Hornbeck Offshore Services, Inc.* ............... $ 914,764 13,000 Lone Star Technologies, Inc.* ................... 594,750 30,800 Pioneer Drilling Company* ....................... 527,604 ----------- 2,037,118 ----------- FINANCIAL INFORMATION SERVICES--1.1% 17,700 GFI Group Inc.* ................................. 795,792 ----------- FOOD & STAPLES RETAILING--.9% 22,600 Performance Food Group Co.* ..................... 623,534 ----------- FOREIGN SEA FREIGHT--.8% 37,350 Genco Shipping & Trading Ltd.* .................. 613,661 ----------- HEALTH CARE EQUIPMENT & SUPPLIES--6.1% 16,000 Haemonetics Corporation* ........................ 775,200 15,250 Hologic, Inc.* .................................. 845,765 47,700 Illumina, Inc.* ................................. 742,689 6,100 Intuitive Surgical, Inc.* ....................... 541,253 18,250 Sybron Dental Specialties, Inc.* ................ 782,925 21,800 Ventana Medical Systems, Inc.* .................. 835,594 ----------- 4,523,426 ----------- HEALTH CARE PROVIDERS & SERVICES--6.6% 16,850 Psychiatric Solutions, Inc.* .................... 921,695 11,850 Sierra Health Services, Inc.* ................... 888,750 24,750 Sunrise Senior Living Inc.* .................... 800,415 38,200 Symbion, Inc.* .................................. 864,466 25,750 VCA Antech, Inc.* ............................... 664,350 23,250 WellCare Health Plans Inc.* ..................... 732,375 ----------- 4,872,051 ----------- HOTELS, MOTELS, AND TOURIST COURTS--.4% 14,750 Isle of Capri Casinos, Inc.* .................... 313,880 ----------- HOTELS, RESTAURANTS & LEISURE--1.9% 28,142 Applebee's International, Inc. .................. 616,591 15,500 Red Robin Gourmet Burgers Inc.* ................. 747,565 ----------- 1,364,156 ----------- INSURANCE--2.1% 31,400 Ohio Casualty Corporation ....................... 856,592 11,900 Platinum Underwriters Holdings, Inc. ............ 339,031 24,450 Universal American Financial Corp.* ............. 361,860 ----------- 1,557,483 ----------- -19- THE ALGER INSTITUTIONAL FUNDS ALGER SMALLCAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- INTERNET SOFTWARE & SERVICES--5.6% 41,450 Allscripts Healthcare Solutions, Inc.* .......... $ 663,200 27,400 aQuantive, Inc.* ................................ 593,210 80,400 iVillage Inc.* .................................. 590,940 43,650 Jupitermedia Corporation* ....................... 742,050 7,550 Netease.com Inc. ADR*# .......................... 575,839 30,800 Openwave Systems, Inc.* ......................... 550,396 6,550 TNS Inc.* ....................................... 115,149 13,150 WebEx Communications, Inc.* ..................... 301,267 ----------- 4,132,051 ----------- INFORMATION TECHNOLOGY SERVICES--1.6% 17,400 Global Payments Inc. ............................ 745,590 31,900 Kanbay International Inc.* ...................... 465,102 ----------- 1,210,692 ----------- LEISURE EQUIPMENT & PRODUCTS--1.2% 24,200 LIFE TIME FITNESS, Inc.* ........................ 898,788 ----------- MACHINERY--3.9% 17,450 Actuant Corporation Cl. A ....................... 849,815 18,500 Bucyrus International, Inc. Cl. A ............... 768,675 18,950 Gardner Denver Inc.* ............................ 920,970 12,550 Watts Water Technologies, Inc. Cl. A ............ 348,388 ----------- 2,887,848 ----------- MEDIA--3.1% 115,350 Harris Interactive Inc.* ........................ 481,009 10,440 Media General, Inc. Cl. A ....................... 550,710 87,150 Spanish Broadcasting System, Inc. Cl. A* ........ 531,614 53,650 World Wrestling Entertainment, Inc. Cl. A ....... 684,037 ----------- 2,247,370 ----------- MEDICAL TECHNOLOGY--.4% 9,050 Syneron Medical Ltd.* ........................... 325,257 ----------- METALS & MINING--2.0% 27,500 Alpha Natural Resources, Inc.* .................. 653,125 10,000 Cleveland-Cliffs Inc. ........................... 815,400 ----------- 1,468,525 ----------- OIL & GAS--4.0% 23,900 Carrizo Oil & Gas, Inc.* ........................ 619,966 23,700 Energy Partners, Ltd. ........................... 601,269 93,350 Grey Wolf, Inc.* ................................ 716,928 21,764 TODCO* .......................................... 973,939 ----------- 2,912,102 ----------- PHARMACEUTICALS--1.5% 41,150 Impax Laboratories, Inc.* ....................... 436,190 40,750 Medicines Company* .............................. 698,455 ----------- 1,134,645 ----------- -20- THE ALGER INSTITUTIONAL FUNDS ALGER SMALLCAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- PHARMACEUTICAL PREPARATIONS--1.0% 19,200 Adams Respiratory Therapeutics, Inc.* ........... $ 718,080 ----------- RETAIL--.9% 23,800 Phillips-Van Heusen Corporation ................. 677,110 ----------- ROAD & RAIL--1.2% 23,700 Landstar Systems, Inc. .......................... 912,924 ----------- SEMICONDUCTOR CAPITAL EQUIPMENT--2.7% 22,550 FormFactor Inc.* ................................ 555,181 30,700 SiRF Technology Holdings, Inc.* ................. 791,753 39,450 Veeco Instruments Inc.* ......................... 626,861 ----------- 1,973,795 ----------- SEMICONDUCTORS & SEMICONDUCTOR EQUIPMENT--4.2% 22,250 ATMI, Inc.* ..................................... 607,647 30,350 Microsemi Corporation* .......................... 703,209 27,050 Photronics, Inc.* ............................... 486,900 23,500 Tessera Technologies Inc.* ...................... 655,650 21,450 Trident Microsystems, Inc.* ..................... 649,077 ----------- 3,102,483 ----------- SOFTWARE--4.0% 17,650 Hyperion Solutions Corporation* ................. 853,554 48,300 Quest Software, Inc.* ........................... 671,853 18,050 Take-Two Interactive Software, Inc.* ............ 372,733 46,150 Verifone Holdings Inc.* ......................... 1,070,680 ----------- 2,968,820 ----------- SPECIALTY RETAIL--2.5% 30,650 AnnTaylor Stores Corporation* ................... 743,876 25,200 DSW Inc. Cl. A* ................................. 524,664 11,500 Guitar Center, Inc.* ............................ 599,265 ----------- 1,867,805 ----------- THRIFTS & MORTGAGE FINANCE--.9% 46,600 Brookline Bancorp, Inc. ......................... 654,730 ----------- WIRELESS TELECOMMUNICATION SERVICES--2.9% 38,100 InPhonic, Inc.* ................................. 550,926 58,850 SBA Communications Corporation Cl. A* ........... 869,215 80,800 UbiquiTel Inc.* ................................. 698,112 ----------- 2,118,253 ----------- Total Common Stocks (Cost $59,642,904) ............................ 67,813,000 ----------- -21- THE ALGER INSTITUTIONAL FUNDS ALGER SMALLCAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 PRINCIPAL AMOUNT SHORT-TERM INVESTMENTS--7.1% VALUE --------- -------- U.S. AGENCY OBLIGATIONS $5,270,000 Federal National Mortgage Association, 3.62%, 11/1/05 (Cost $5,270,000) ..................... $ 5,270,000 ----------- Total Investments (Cost $64,912,904)(a) .............................. 99.1% 73,083,000 Other Assets in Excess of Liabilities ................ 0.9 628,326 ----- ----------- Net Assets ........................................... 100.0% $73,711,326 ===== =========== - ---------- * Non-income producing security. # American Depositary Receipts. (a) At October 31, 2005, the net unrealized appreciation on investments, based on cost for federal income tax purposes of $65,011,602 amounted to $8,071,398 which consisted of aggregate gross unrealized appreciation of $11,250,909 and aggregate gross unrealized depreciation of $3,179,511. See Notes to Financial Statements. -22- THE ALGER INSTITUTIONAL FUNDS ALGER MIDCAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS October 31, 2005 SHARES COMMON STOCKS--94.4% VALUE --------- -------- AEROSPACE & DEFENSE--1.0% 138,275 L-3 Communications Holdings, Inc. ................. $10,760,561 ----------- BIOTECHNOLOGY--3.5% 100,600 Celgene Corporation* .............................. 5,643,660 511,600 Charles River Laboratories International, Inc.* ... 22,387,616 1,347,300 Human Genome Sciences, Inc.* ...................... 11,249,955 ----------- 39,281,231 ----------- CAPITAL MARKETS--3.6% 240,080 Affiliated Managers Group, Inc.* .................. 18,426,140 104,700 Legg Mason, Inc. .................................. 11,235,357 231,000 National Financial Partners Corporation ........... 10,448,130 ----------- 40,109,627 ----------- CHEMICALS--.9% 392,200 Lyondell Chemical Company ........................ 10,510,960 ----------- COMMERCIAL SERVICES & SUPPLIES--3.6% 522,000 Education Management Corporation* ................. 16,098,480 639,500 Net 1 UEPS Technologies, Inc.* .................... 13,403,920 279,400 West Corporation* ................................. 11,022,330 ----------- 40,524,730 ----------- COMMUNICATION EQUIPMENT--1.8% 324,700 Research In Motion Limited* ....................... 19,965,803 ----------- COMMUNICATION TECHNOLOGY--1.7% 740,050 Nextel Partners, Inc. Cl. A* ...................... 18,612,258 ----------- COMPUTERS & PERIPHERALS--5.1% 333,250 Apple Computer, Inc.* ............................. 19,191,867 340,500 M-Systems Flash Disk Pioneers Ltd.* ............... 10,790,445 403,900 Network Appliance, Inc.* .......................... 11,050,704 1,324,400 Western Digital Corporation* ...................... 16,025,240 ----------- 57,058,256 ----------- COMPUTER TECHNOLOGY--.6% 164,950 NAVTEQ* ........................................... 6,452,844 ----------- ELECTRIC AND ELECTRONIC EQUIPMENT--1.4% 428,100 Roper Industries, Inc. ............................ 16,139,370 ----------- ELECTRONICS--1.0% 770,300 Nintendo Co., Ltd. ADR# ........................... 10,720,188 ----------- ENERGY EQUIPMENT & SERVICES--6.2% 634,800 BJ Services Company ............................... 22,059,300 120,800 Lone Star Technologies, Inc.* ..................... 5,526,600 531,950 National-Oilwell Varco Inc.* ...................... 33,230,916 397,250 Williams Companies, Inc. (The) .................... 8,858,675 ----------- 69,675,491 ----------- ENGINEERING--1.3% 224,000 Jacobs Engineering Group Inc.* .................... 14,280,000 ----------- FINANCIAL INFORMATION SERVICES--1.3% 455,400 Genworth Financial Inc. Cl. A ..................... 14,431,626 ----------- -23- THE ALGER INSTITUTIONAL FUNDS ALGER MIDCAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- FINANCIAL SERVICES--1.5% 1,373,800 Hudson City Bancorp Inc. .......................... $16,265,792 ----------- HEALTH CARE EQUIPMENT & SUPPLIES--1.2% 151,600 Intuitive Surgical, Inc.* ......................... 13,451,468 ----------- HEALTH CARE PROVIDERS & SERVICES--11.2% 192,650 Community Health Systems Inc.* .................... 7,149,241 399,400 DaVita, Inc.* ..................................... 19,642,492 320,300 Health Net Inc.* .................................. 15,002,852 414,100 Humana Inc.* ...................................... 18,381,899 312,000 Medco Health Solutions, Inc.* ..................... 17,628,000 405,800 Psychiatric Solutions, Inc.* ...................... 22,197,260 198,700 Sierra Health Services, Inc.* ..................... 14,902,500 295,800 Sunrise Senior Living Inc.* ....................... 9,566,172 ----------- 124,470,416 ----------- HOTELS, RESTAURANTS & LEISURE--1.7% 84,300 Kerzner International Limited* .................... 4,918,905 305,100 Wynn Resorts, Limited* ............................ 14,242,068 ----------- 19,160,973 ----------- INTERNET & CATALOG RETAIL--2.9% 1,206,217 Netflix Inc.* .................................... 31,856,191 ----------- INTERNET SOFTWARE & SERVICES--4.3% 718,100 iVillage Inc.* .................................... 5,278,035 195,600 Netease.com Inc. ADR*# ............................ 14,918,412 437,700 SINA Corp.* ....................................... 11,095,695 603,400 VeriSign, Inc.* ................................... 14,258,342 99,500 WebEx Communications, Inc.* ....................... 2,279,545 ----------- 47,830,029 ----------- INFORMATION TECHNOLOGY SERVICES--.6% 1,208,600 Sapient Corporation* .............................. 6,272,634 ----------- LEISURE & ENTERTAINMENT--.4% 397,700 CKX, Inc.* ........................................ 4,987,158 ----------- MACHINERY--2.1% 121,125 Joy Global Inc. ................................... 5,556,004 325,400 Terex Corporation* ................................ 17,887,238 ----------- 23,443,242 ----------- MACHINERY--OIL WELL EQUIPMENT & SERVICES--1.6% 532,950 Patterson-UTI Energy, Inc. ........................ 18,189,584 ----------- MANUFACTURING--.9% 455,100 American Power Conversion Corp. ................... 9,734,589 ----------- MEDIA--5.2% 163,250 Lamar Advertising Company, Cl. A* ................. 7,284,215 2,438,850 Sirius Satellite Radio Inc.* ...................... 15,218,424 706,800 Univision Communications Inc. Cl. A* .............. 18,475,752 601,450 XM Satellite Radio Holdings Inc. Cl. A* ........... 17,339,803 ----------- 58,318,194 ----------- -24- THE ALGER INSTITUTIONAL FUNDS ALGER MIDCAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- MEDICAL TECHNOLOGY--1.4% 426,600 Syneron Medical Ltd.* .......................... $ 15,332,004 -------------- METALS & MINING--4.5% 204,400 Cleveland-Cliffs Inc. .......................... 16,666,776 434,500 Peabody Energy Corporation ..................... 33,960,520 -------------- 50,627,296 -------------- OIL & GAS--4.6% 571,100 Chesapeake Energy Corporation .................. 18,332,310 342,200 Frontier Oil Corporation ....................... 12,620,336 462,050 Talisman Energy Inc. ........................... 20,464,194 -------------- 51,416,840 -------------- PERSONAL CARE--1.0% 147,900 Bausch & Lomb Incorporated. .................... 10,972,701 -------------- PHARMACEUTICALS--2.0% 395,250 Sepracor Inc.* ................................. 22,232,813 -------------- SEMICONDUCTOR CAPITAL EQUIPMENT--.5% 219,240 SiRF Technology Holdings, Inc.* ................ 5,654,200 -------------- SEMICONDUCTORS & SEMICONDUCTOR EQUIPMENT--4.8% 536,900 Altera Corporation* ............................ 8,939,385 1,037,200 Cypress Semiconductor Corporation* ............. 14,105,920 464,100 Photronics, Inc.* .............................. 8,353,800 797,000 Tessera Technologies Inc.* ..................... 22,236,300 -------------- 53,635,405 -------------- SOFTWARE--3.3% 480,000 Check Point Software Technologies Ltd.* ........ 10,732,800 655,200 Take-Two Interactive Software, Inc.* ........... 13,529,880 556,800 Verifone Holdings Inc.* ........................ 12,917,760 -------------- 37,180,440 -------------- SPECIALTY RETAIL--2.6% 432,900 Bed Bath & Beyond Inc.* ........................ 17,541,108 316,893 Gamestop Corp. Cl. A* .......................... 11,243,364 -------------- 28,784,472 -------------- TEXTILES, APPAREL & LUXURY GOODS--1.0% 351,900 Coach, Inc.* ................................... 11,324,142 -------------- WIRELESS TELECOMMUNICATION SERVICES--2.1% 374,700 Alamosa Holdings, Inc.* ........................ 5,545,560 221,200 NII Holdings Inc. Cl. B* ....................... 18,341,903 -------------- 23,887,463 -------------- Total Common Stocks (Cost $982,021,979) .......................... $1,053,550,991 -------------- -25- THE ALGER INSTITUTIONAL FUNDS ALGER MIDCAP GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 PRINCIPAL AMOUNT SHORT-TERM INVESTMENTS--3.6% VALUE --------- -------- U.S. AGENCY OBLIGATIONS $40,150,000 Federal National Mortgage Association, 3.62%, 11/1/05 (Cost $40,150,000) ................... $ 40,150,000 -------------- Total Investments (Cost $1,022,171,979)(a) ............................. 98.0% 1,093,700,991 Other Assets in Excess of Liabilities .................. 2.0 21,912,407 ----- -------------- Net Assets ............................................. 100.0% $1,115,613,398 ===== ============== - ---------- * Non-income producing security. # American Depositary Receipts. (a) At October 31, 2005, the net unrealized appreciation on investments, based on cost for federal income tax purposes of $1,028,858,568, amounted to $64,842,423 which consisted of aggregate gross unrealized appreciation of $99,781,655 and aggregate gross unrealized depreciation of $34,939,232. See Notes to Financial Statements. -26- THE ALGER INSTITUTIONAL FUNDS ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS October 31, 2005 SHARES COMMON STOCKS--97.3% VALUE --------- -------- AEROSPACE & DEFENSE--2.2% 10,800 General Dynamics Corporation ...................... $ 1,256,040 30,400 United Technologies Corporation ................... 1,558,912 ----------- 2,814,952 ----------- AIR FREIGHT & LOGISTICS--1.6% 24,300 UTI Worldwide, Inc. ............................... 2,078,622 ----------- BEVERAGES--.5% 11,700 PepsiCo, Inc. ..................................... 691,236 ----------- BIOTECHNOLOGY--4.9% 8,000 Affymetrix Inc.* .................................. 363,440 14,700 Amgen Inc.* ....................................... 1,113,672 11,600 Celgene Corporation* .............................. 650,760 22,100 Genentech, Inc.* .................................. 2,002,260 19,300 Gilead Sciences, Inc.* ............................ 911,925 13,500 MedImmune, Inc.* .................................. 472,230 35,800 Vertex Pharmaceuticals Incorporated* .............. 814,450 ----------- 6,328,737 ----------- CAPITAL MARKETS--.9% 14,875 Ameritrade Holding Corporation* ................... 312,821 7,800 Legg Mason, Inc. .................................. 837,018 ----------- 1,149,839 ----------- CHEMICALS--.9% 28,400 Lubrizol Corporation .............................. 1,181,156 ----------- COMMUNICATION EQUIPMENT--1.9% 60,200 Motorola, Inc. .................................... 1,334,032 29,250 QUALCOMM Inc. ..................................... 1,162,980 ----------- 2,497,012 ----------- COMMUNICATION TECHNOLOGY--2.1% 106,000 Nextel Partners, Inc. Cl. A* ...................... 2,665,900 ----------- COMPUTERS & PERIPHERALS--3.5% 9,900 Apple Computer, Inc.* ............................. 570,141 19,200 Dell Inc.* ........................................ 612,096 91,800 EMC Corporation* .................................. 1,281,528 47,800 Network Appliance, Inc.* .......................... 1,307,808 65,800 Western Digital Corporation* ...................... 796,180 ----------- 4,567,753 ----------- COMPUTER TECHNOLOGY--.8% 25,100 NAVTEQ* ........................................... 981,912 ----------- DIVERSIFIED FINANCIAL SERVICES--1.0% 28,000 Citigroup Inc. .................................... 1,281,840 ----------- ELECTRIC AND ELECTRONIC EQUIPMENT--.5% 17,900 Roper Industries, Inc. ............................ 674,830 ----------- -27- THE ALGER INSTITUTIONAL FUNDS ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- ENERGY EQUIPMENT & SERVICES--3.3% 60,300 National-Oilwell Varco Inc.* ...................... $ 3,766,941 6,100 Schlumberger Limited .............................. 553,697 ----------- 4,320,638 ----------- FINANCIAL INFORMATION SERVICES--1.0% 38,900 Genworth Financial Inc. Cl. A ..................... 1,232,741 ----------- FINANCIAL SERVICES--.3% 32,600 Hudson City Bancorp Inc. .......................... 385,984 ----------- FOOD & STAPLES RETAILING--4.1% 122,300 CVS Corporation ................................... 2,985,343 49,600 Wal-Mart Stores, Inc. ............................. 2,346,576 ----------- 5,331,919 ----------- FREIGHT & LOGISTICS--1.1% 15,800 FedEx Corp. ....................................... 1,452,494 ----------- HEALTH CARE--1.0% 17,600 WellPoint Inc.* ................................... 1,314,368 ----------- HEALTH CARE EQUIPMENT & SUPPLIES--2.3% 5,000 Hologic, Inc.* .................................... 277,300 23,600 Medtronic, Inc. ................................... 1,337,176 29,800 St. Jude Medical, Inc.* ........................... 1,432,486 ----------- 3,046,962 ----------- HEALTH CARE PROVIDERS & SERVICES--4.7% 13,800 AmerisourceBergen Corporation ..................... 1,052,526 32,100 Caremark Rx, Inc.* ................................ 1,682,040 11,400 CIGNA Corporation ................................. 1,320,918 6,400 McKesson Corporation .............................. 290,752 21,600 PacifiCare Health Systems, Inc.* .................. 1,778,976 ----------- 6,125,212 ----------- HOTELS, RESTAURANTS & LEISURE--2.2% 13,400 Carnival Corporation .............................. 665,578 32,900 Fairmont Hotels & Resorts Inc. .................... 1,070,237 39,900 Penn National Gaming, Inc.* ....................... 1,179,045 ----------- 2,914,860 ----------- HOUSEHOLD PRODUCTS--2.9% 67,102 Procter & Gamble Company .......................... 3,757,041 ----------- INDUSTRIAL CONGLOMERATES--2.2% 76,900 General Electric Company .......................... 2,607,679 9,100 Tyco International Ltd. ........................... 240,149 ----------- 2,847,828 ----------- INSURANCE--.6% 11,600 American International Group, Inc. ................ 751,680 ----------- INTERNET & CATALOG RETAIL--.7% 21,200 eBay Inc.* ........................................ 839,520 ----------- -28- THE ALGER INSTITUTIONAL FUNDS ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- INTERNET SOFTWARE & SERVICES--8.9% 17,300 Google Inc. Cl. A* ................................ $ 6,438,022 14,200 Netease.com Inc. ADR#* ............................ 1,083,034 110,100 Yahoo! Inc.* ...................................... 4,070,397 ----------- 11,591,453 ----------- LEISURE & ENTERTAINMENT--.5% 25,500 Shanda Interactive Entertainment Ltd. ADR*# ....... 631,635 ----------- MACHINERY--1.6% 22,400 Caterpillar Inc. .................................. 1,178,016 16,900 Terex Corporation* ................................ 928,993 ----------- 2,107,009 ----------- MACHINERY--OIL WELL EQUIPMENT & SERVICES--1.4% 54,800 Patterson-UTI Energy, Inc. ........................ 1,870,324 ----------- MARINE CARGO HANDLING--.1% 3,200 American Commercial Lines Inc.* ................... 89,984 ----------- MEDIA--4.8% 52,400 Disney (Walt) Company ............................. 1,276,988 21,700 Pixar* ............................................ 1,100,841 100,600 Time Warner Inc. .................................. 1,793,698 65,500 Viacom Inc. Cl. B ................................. 2,028,535 ----------- 6,200,062 ----------- METALS & MINING--4.4% 22,400 Alpha Natural Resources, Inc.* .................... 532,000 56,000 Peabody Energy Corporation ........................ 4,376,960 6,200 Phelps Dodge Corporation .......................... 746,914 ----------- 5,655,874 ----------- MULTILINE RETAIL--.7% 19,800 Kohl's Corporation* ............................... 952,974 ----------- OIL & GAS--.3% 14,600 Energy Partners, Ltd.* ............................ 370,402 ----------- PERSONAL CARE--.7% 12,100 Bausch & Lomb Incorporated ........................ 897,699 ----------- PERSONAL PRODUCTS--.5% 24,100 Avon Products, Inc. ............................... 650,459 ----------- PHARMACEUTICALS--8.1% 19,500 AstraZeneca PLC Sponsored ADR# .................... 875,550 73,575 IVAX Corporation* ................................. 2,100,566 41,900 Johnson & Johnson ................................. 2,623,778 27,400 Novartis AG ADR# .................................. 1,474,668 28,400 Sanofi-Aventis ADR# ............................... 1,139,408 65,200 Schering-Plough Corporation ....................... 1,326,168 18,100 Sepracor Inc.* .................................... 1,018,125 ----------- 10,558,263 ----------- ROAD & RAIL--.9% 18,600 Burlington Northern Santa Fe Corporation .......... 1,154,316 ----------- -29- THE ALGER INSTITUTIONAL FUNDS ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- SEMICONDUCTORS & SEMICONDUCTOR EQUIPMENT--5.1% 54,400 Advanced Micro Devices, Inc.* ................... $ 1,263,168 21,300 Intel Corporation ............................... 500,550 61,100 Marvell Technology Group Ltd.* .................. 2,835,651 28,600 Silicon Storage Technology Inc.* ................ 144,430 58,300 Tessera Technologies Inc.* ...................... 1,626,570 8,400 Trident Microsystems, Inc.* ..................... 254,184 ------------ 6,624,553 ------------ SOFTWARE--6.3% 183,700 Microsoft Corporation ........................... 4,721,090 71,500 Oracle Corporation* ............................. 906,620 110,850 Verifone Holdings Inc.* ......................... 2,571,720 ------------ 8,199,430 ------------ SPECIALTY RETAIL--1.9% 23,400 Abercrombie & Fitch Co. Cl. A ................... 1,216,566 20,350 Lowe's Companies, Inc. .......................... 1,236,670 ------------ 2,453,236 ------------ TEXTILES, APPAREL & LUXURY GOODS--.3% 7,400 Polo Ralph Lauren Corporation Cl. A ............. 364,080 ------------ TOBACCO--1.0% 17,600 Altria Group, Inc. .............................. 1,320,880 ------------ WIRELESS TELECOMMUNICATION SERVICES--2.6% 50,900 Alamosa Holdings, Inc.* ......................... 753,320 11,900 America Movil S.A. de C.V. ADR Series L# ........ 312,375 45,070 American Tower Corporation Cl. A* ............... 1,074,920 14,300 NII Holdings Inc. CI B* ......................... 1,185,756 ------------ 3,326,371 ------------ Total Common Stocks (Cost $111,832,397) ........................... 126,254,040 ------------ PRINCIPAL AMOUNT SHORT-TERM INVESTMENTS--4.0% ---------- U.S. AGENCY OBLIGATIONS $5,200,000 Federal National Mortgage Association, 3.62%, 11/1/05 (Cost $5,200,000) ..................... 5,200,000 ------------ Total Investments (Cost $117,032,397) (a) ............................... 101.3% 131,454,040 Liabilities in Excess of Other Assets ................... (1.3) (1,735,065) ----- ------------ Net Assets .............................................. 100.0% $129,718,975 ===== ============ - ---------- * Non-income producing security. # American Depositary Receipts. (a) At October 31, 2005, the net unrealized appreciation on investments, based on cost for federal income tax purposes of $117,088,254 amounted to $14,365,786 which consisted of aggregate gross unrealized appreciation of $16,823,398 and aggregate gross unrealized depreciation of $2,457,612. See Notes to Financial Statements. -30- THE ALGER INSTITUTIONAL FUNDS ALGER BALANCED INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS October 31, 2005 SHARES COMMON STOCKS--64.2% VALUE --------- -------- AEROSPACE & DEFENSE--1.5% 225 General Dynamics Corporation ........................ $ 26,168 -------- BIOTECHNOLOGY--3.6% 295 Amgen Inc.* ......................................... 22,349 200 Genentech, Inc.* .................................... 18,120 240 Gilead Sciences, Inc.* .............................. 11,340 345 MedImmune, Inc.* .................................... 12,068 -------- 63,877 -------- CAPITAL MARKETS--2.1% 190 Legg Mason, Inc. .................................... 20,389 250 Merrill Lynch & Co., Inc. ........................... 16,185 -------- 36,574 -------- CHEMICALS--.6% 415 Lyondell Chemical Company ........................... 11,122 -------- COMMUNICATION EQUIPMENT--4.7% 590 Corning Incorporated* ............................... 11,853 1,130 Motorola, Inc. ...................................... 25,041 530 QUALCOMM Inc. ....................................... 21,073 395 Research In Motion Limited* ......................... 24,288 -------- 82,255 -------- COMMUNICATION TECHNOLOGY--.6% 425 Nextel Partners, Inc. Cl. A* ........................ 10,689 -------- COMPUTERS & PERIPHERALS--3.1% 705 Apple Computer, Inc.* ............................... 40,601 465 Network Appliance, Inc.* ............................ 12,722 -------- 53,323 -------- DIVERSIFIED FINANCIAL SERVICES--1.6% 210 Citigroup Inc. ...................................... 9,613 355 Principal Financial Group (The)* .................... 17,619 -------- 27,232 -------- DIVERSIFIED TELECOMMUNICATION SERVICES--.6% 180 ALLTEL Corporation .................................. 11,135 -------- ELECTRONICS--.6% 810 Nintendo Co., Ltd. ADR# ............................. 11,273 -------- ENERGY EQUIPMENT & SERVICES--3.0% 390 National-Oilwell Varco Inc.* ........................ 24,364 345 Suncor Energy, Inc. ................................. 18,503 165 Transocean Inc.* .................................... 9,485 -------- 52,352 -------- FINANCIAL INFORMATION SERVICES--.7% 365 Genworth Financial Inc. Cl. A ....................... 11,567 -------- HEALTH CARE EQUIPMENT & SUPPLIES--1.2% 205 Medtronic, Inc. ..................................... 11,615 200 St. Jude Medical, Inc.* ............................. 9,614 -------- 21,229 -------- -31- THE ALGER INSTITUTIONAL FUNDS ALGER BALANCED INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- HEALTH CARE PROVIDERS & SERVICES--5.8% 430 Caremark Rx, Inc.* .................................. $ 22,531 155 CIGNA Corporation ................................... 17,960 715 Humana Inc.* ........................................ 31,739 525 Medco Health Solutions, Inc.* ....................... 29,663 -------- 101,893 -------- HOTELS, RESTAURANTS & LEISURE--2.2% 235 Carnival Corporation ................................ 11,672 205 Starbucks Corporation* .............................. 5,798 345 Starwood Hotels & Resorts Worldwide, Inc. ........... 20,158 -------- 37,628 -------- HOUSEHOLD PRODUCTS--1.1% 351 Procter & Gamble Company ............................ 19,653 -------- INSURANCE--1.6% 265 American International Group, Inc. .................. 17,172 345 Marsh & McLennan Companies, Inc. .................... 10,057 -------- 27,229 -------- INTERNET & CATALOG RETAIL--2.4% 680 eBay Inc.* .......................................... 26,928 555 Netflix Inc.* ....................................... 14,658 -------- 41,586 -------- INTERNET SOFTWARE & SERVICES--4.4% 110 Google Inc. Cl. A* .................................. 40,935 965 Yahoo! Inc.* ........................................ 35,676 -------- 76,611 -------- MACHINERY--.8% 275 Caterpillar Inc. .................................... 14,462 -------- MEDIA--4.3% 645 Disney (Walt) Company ............................... 15,718 885 News Corporation Cl. A .............................. 12,611 3,570 Sirius Satellite Radio Inc.* ........................ 22,277 225 Univision Communications Inc. Cl. A* ................ 5,882 655 XM Satellite Radio Holdings Inc. Cl. A* ............. 18,884 -------- 75,372 -------- METALS & MINING--1.9% 435 Peabody Energy Corporation .......................... 34,000 -------- MULTILINE RETAIL--.9% 255 Federated Department Stores, Inc. ................... 15,649 -------- OIL & GAS--4.5% 115 Burlington Resources Inc. ........................... 8,305 330 Chesapeake Energy Corporation ....................... 10,594 330 Sasol Ltd. ADR# ..................................... 10,553 675 Talisman Energy Inc. ................................ 29,896 180 Valero Energy Corporation ........................... 18,943 -------- 78,291 -------- -32- THE ALGER INSTITUTIONAL FUNDS ALGER BALANCED INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- PERSONAL CARE--1.2% 285 Bausch & Lomb Incorporated ......................... $ 21,144 ---------- PHARMACEUTICALS--2.4% 970 Schering-Plough Corporation ........................ 19,730 485 Wyeth .............................................. 21,611 ---------- 41,341 ---------- SEMICONDUCTORS & SEMICONDUCTOR EQUIPMENT--2.1% 675 Altera Corporation* ................................ 11,238 370 Intel Corporation .................................. 8,695 365 Marvell Technology Group Ltd.* ..................... 16,940 ---------- 36,873 ---------- SOFTWARE--3.0% 515 Check Point Software Technologies Ltd.* ............ 11,516 680 Microsoft Corporation .............................. 17,476 930 Oracle Corporation* ................................ 11,792 485 Symantec Corporation* .............................. 11,567 ---------- 52,351 ---------- SPECIALTY RETAIL--1.0% 440 Bed Bath & Beyond Inc.* ............................ 17,829 ---------- TOBACCO--.7% 160 Altria Group, Inc. ................................. 12,008 ---------- Total Common Stocks (Cost $1,044,356) ................................ 1,122,716 ---------- PRINCIPAL AMOUNT CORPORATE BONDS--8.3% --------- AEROSPACE & DEFENSE--.6% $ 6,227 Systems 2001 Asset Trust Cl. G, 6.66%, 9/15/13(a) .. 6,596 5,000 United Technologies, 4.875%, 11/1/06 ............... 5,019 ---------- 11,615 ---------- CABLE--.3% 6,000 Cox Communications, Inc., 5.45%, 12/15/14 .......... 5,838 ---------- CAPITAL MARKETS--.5% 10,000 Goldman Sachs Group, Inc., 4.75%, 7/15/13 .......... 9,606 ---------- COMMERCIAL BANKS--.8% 4,000 Associates Corp. North America, 6.95%, 11/1/18 ..... 4,580 5,000 Key Bank NA, 4.95%, 9/15/15 ........................ 4,843 5,000 Synovus Financial Corp., 5.125%, 6/15/17 ........... 4,871 ---------- 14,294 ---------- -33- THE ALGER INSTITUTIONAL FUNDS ALGER BALANCED INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 PRINCIPAL AMOUNT CORPORATE BONDS (CONTINUED) VALUE --------- -------- DIVERSIFIED FINANCIAL SERVICES--1.2% $ 5,000 CIT Group, Inc., 5.20%, 11/3/10 .................... $ 4,999 5,000 JPMorgan Chase & Co., 7.00%, 11/15/09 .............. 5,358 10,000 J.P. Morgan Chase & Co., 4.60%, 1/17/11 ............ 9,755 ---------- 20,112 ---------- DIVERSIFIED TELECOMMUNICATION SERVICES--.8% 15,000 Telecom Italia Capital, 4.95%, 9/30/14 ............. 14,259 ---------- ELECTRIC UTILITIES--.6% 10,000 First Energy, 5.65%, 6/15/09(a) .................... 10,135 ---------- FINANCE--.5% 5,000 Caterpillar Financial Services Corporation, 3.70%, 8/15/08 ................................... 4,856 5,000 SLM Corp., 4.50%, 7/26/10 .......................... 4,884 ---------- 9,740 ---------- GAS UTILITIES--.3% 5,000 Nisource Inc., 5.25%, 9/15/17 ...................... 4,793 ---------- HEALTH CARE PROVIDERS & SERVICES--.6% 5,000 Manor Care, Inc., 6.25%, 5/1/13 .................... 5,158 5,000 Quest Diagnostics Incorporated, 5.125%, 11/1/10(a) . 4,996 ---------- 10,154 ---------- INSURANCE--.6% 5,000 Markel Corp., 7.00%, 5/15/08 ....................... 5,195 5,000 The Chubb Corporation, 4.93%, 11/16/07 ............. 5,001 ---------- 10,196 ---------- MEDIA--.3% 3,000 Comcast Corporation, 6.50%, 1/15/15 ................ 3,149 2,000 Liberty Media Corporation Floating Rate Note, 5.37%, 9/17/06 ................................... 2,016 ---------- 5,165 ---------- METAL FABRICATING--.3% 5,000 Timken Co., 5.75%, 2/15/10 ......................... 5,005 ---------- OIL & GAS--.3% 5,000 Canadian Natural Resources, 4.90%, 12/1/14 ......... 4,863 ---------- OIL AND GAS EXTRACTION--.3% 5,000 Enterprise Products Partners Series B, 5.60%, 10/15/14 ......................................... 4,915 ---------- WIRELESS TELECOMMUNICATION SERVICES--.3% 5,000 Nextel Communications, Inc., 7.375%, 8/1/15 ........ 5,296 ---------- Total Corporate Bonds (Cost $149,081) .................................. 145,986 ---------- -34- THE ALGER INSTITUTIONAL FUNDS ALGER BALANCED INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 PRINCIPAL AMOUNT VALUE --------- -------- U.S. GOVERNMENT & AGENCY OBLIGATIONS--23.1% Federal National Mortgage Association, $20,000 4.25%, 7/15/07 ................................... $ 19,882 7,000 3.25%, 8/15/08 ................................... 6,748 5,000 4.25%, 5/15/09 ................................... 4,935 15,000 4.01%, 10/21/09 .................................. 14,616 20,000 4.30%, 1/19/10 ................................... 19,655 10,000 5.00%, 4/19/10 ................................... 9,954 8,177 4.80%, 4/25/10 ................................... 8,124 15,000 4.125%, 4/15/14 .................................. 14,194 5,000 6.625%, 11/15/30 ................................. 6,035 Federal Home Loan Mortgage Corporation, 30,000 4.125%, 11/18/09 ................................. 29,340 15,000 4.30%, 2/3/11 .................................... 14,523 10,000 4.50%, 1/15/14 ................................... 9,748 Federal Home Loan Banks, 9,770 4.75%, 10/25/10 .................................. 9,678 10,000 5.50%, 5/18/15 ................................... 9,819 U.S. Treasury Bonds, 5,000 7.50%, 11/15/16 .................................. 6,205 25,000 5.375%, 2/15/31 .................................. 27,272 U.S. Treasury Notes, 10,000 3.75%, 3/31/07 ................................... 9,915 73,000 3.25%, 8/15/07 ................................... 71,606 20,000 3.00%, 11/15/07 .................................. 19,473 5,000 3.125%, 9/15/08 .................................. 4,829 20,000 3.50%, 11/15/09 .................................. 19,302 27,000 4.375%, 8/15/12 .................................. 26,785 10,000 4.25%, 8/15/13 ................................... 9,810 10,000 4.75%, 5/15/14 ................................... 10,128 22,000 4.00%, 2/15/15 ................................... 21,043 ---------- Total U.S. Government & Agency Obligations (Cost $411,620) .................................. 403,619 Total Investments, (Cost $1,605,057)(b) ................................. 95.6% 1,672,321 Other Assets in Excess of Liabilities .................. 4.4 76,061 ----- ---------- Net Assets ............................................. 100.0% $1,748,382 ===== ========== - ---------- * Non-income producing security. # American Depositary Receipts. (a) Pursuant to Securities and Exchange Commission Rule 144A, these securities may be sold prior to their maturity only to qualified institutional buyers. These securities are deemed to be liquid and represent 1.2% of net assets of the Portfolio. (b) At October 31, 2005, the net unrealized appreciation on investments, based on cost for federal income tax purposes of $1,608,894 amounted to $63,427 which consisted of aggregate gross unrealized appreciation of $100,399 and aggregate gross unrealized depreciation of $36,972. See Notes to Financial Statements. -35- THE ALGER INSTITUTIONAL FUNDS ALGER SOCIALLY RESPONSIBLE GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS October 31, 2005 SHARES COMMON STOCKS--95.5% VALUE --------- -------- AIR FREIGHT & LOGISTICS--1.5% 325 UTI Worldwide, Inc. ................................ $ 27,801 ---------- BEVERAGES--.5% 170 PepsiCo, Inc. ...................................... 10,044 ---------- BIOTECHNOLOGY--4.8% 115 Affymetrix Inc.* ................................... 5,224 215 Amgen Inc.* ........................................ 16,288 165 Celgene Corporation* ............................... 9,257 320 Genentech, Inc.* ................................... 28,992 280 Gilead Sciences, Inc.* ............................. 13,230 195 MedImmune, Inc.* ................................... 6,821 450 Vertex Pharmaceuticals Incorporated* ............... 10,238 ---------- 90,050 ---------- CAPITAL MARKETS--.9% 225 Ameritrade Holding Corporation* .................... 4,731 115 Legg Mason, Inc. ................................... 12,341 ---------- 17,072 ---------- CHEMICALS--.9% 405 Lubrizol Corporation ............................... 16,844 ---------- COMMUNICATION EQUIPMENT--1.9% 860 Motorola, Inc. ..................................... 19,058 420 QUALCOMM Inc. ...................................... 16,699 ---------- 35,757 ---------- COMMUNICATION TECHNOLOGY--2.6% 1,895 Nextel Partners, Inc. Cl. A* ....................... 47,659 ---------- COMPUTERS & PERIPHERALS--3.5% 145 Apple Computer, Inc.* .............................. 8,350 260 Dell Inc.* ......................................... 8,289 1,335 EMC Corporation* ................................... 18,637 690 Network Appliance, Inc.* ........................... 18,878 950 Western Digital Corporation* ....................... 11,495 ---------- 65,649 ---------- COMPUTER TECHNOLOGY--.8% 360 NAVTEQ* ............................................ 14,083 ---------- DIVERSIFIED FINANCIAL SERVICES--.9% 350 Citigroup Inc. ..................................... 16,023 ---------- ELECTRIC AND ELECTRONIC EQUIPMENT--1.4% 705 Roper Industries, Inc. ............................. 26,578 ---------- ENERGY EQUIPMENT & SERVICES--4.1% 850 National-Oilwell Varco Inc.* ....................... 53,100 90 Schlumberger Limited ............................... 8,168 250 Transocean Inc.* ................................... 14,373 ---------- 75,641 ---------- FINANCIAL INFORMATION SERVICES--1.0% 560 Genworth Financial Inc. Cl. A ...................... 17,746 ---------- -36- THE ALGER INSTITUTIONAL FUNDS ALGER SOCIALLY RESPONSIBLE GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- FINANCIAL SERVICES--.3% 470 Hudson City Bancorp Inc. .......................... $ 5,565 ---------- FOOD & STAPLES RETAILING--3.9% 1,600 CVS Corporation ................................... 39,056 710 Wal-Mart Stores, Inc. ............................. 33,590 ---------- 72,646 ---------- FREIGHT & LOGISTICS--.7% 150 FedEx Corp. ....................................... 13,790 ---------- HEALTH CARE--1.0% 240 WellPoint Inc.* ................................... 17,923 ---------- HEALTH CARE EQUIPMENT & SUPPLIES--3.0% 80 Hologic, Inc.* .................................... 4,436 475 Medtronic, Inc. ................................... 26,914 510 St. Jude Medical, Inc.* ........................... 24,516 ---------- 55,866 ---------- HEALTH CARE PROVIDERS & SERVICES--4.1% 150 AmerisourceBergen Corporation ..................... 11,440 150 CIGNA Corporation ................................. 17,380 150 McKesson Corporation .............................. 6,815 505 PacifiCare Health Systems, Inc.* .................. 41,592 ---------- 77,227 ---------- HOTELS, RESTAURANTS & LEISURE--2.6% 190 Carnival Corporation .............................. 9,437 1,175 Fairmont Hotels & Resorts Inc. .................... 38,223 ---------- 47,660 ---------- HOUSEHOLD PRODUCTS--3.4% 1,144 Procter & Gamble Company .......................... 64,052 ---------- INDUSTRIAL CONGLOMERATES--.2% 130 Tyco International Ltd. ........................... 3,431 ---------- INSURANCE--.7% 150 American International Group, Inc. ................ 9,720 65 St. Paul Travelers Companies, Inc. (The) .......... 2,927 ---------- 12,647 ---------- INTERNET & CATALOG RETAIL--.7% 305 eBay Inc.* ........................................ 12,078 ---------- INTERNET SOFTWARE & SERVICES--9.9% 400 aQuantive, Inc.* .................................. 8,660 250 Google Inc. Cl. A* ................................ 93,035 555 Jupitermedia Corporation* ......................... 9,435 205 Netease.com Inc. ADR*# ............................ 15,635 1,585 Yahoo! Inc.* ...................................... 58,597 ---------- 185,362 ---------- LEISURE & ENTERTAINMENT--.5% 365 Shanda Interactive Entertainment Ltd. ADR*# ....... 9,041 ---------- -37- THE ALGER INSTITUTIONAL FUNDS ALGER SOCIALLY RESPONSIBLE GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- MACHINERY--1.8% 380 Caterpillar Inc. ................................... $ 19,984 245 Terex Corporation* ................................. 13,468 ---------- 33,452 ---------- MACHINERY--OIL WELL EQUIPMENT & SERVICES--1.5% 790 Patterson-UTI Energy, Inc. ......................... 26,962 ---------- MARINE CARGO HANDLING--.1% 50 American Commercial Lines Inc.* .................... 1,406 ---------- MEDIA--5.5% 750 Disney (Walt) Company .............................. 18,278 310 Pixar* ............................................. 15,726 1,800 Time Warner Inc. ................................... 32,094 1,170 Viacom Inc. Cl. B .................................. 36,235 ---------- 102,333 ---------- METALS & MINING--4.4% 325 Alpha Natural Resources, Inc.* ..................... 7,719 805 Peabody Energy Corporation ......................... 62,919 90 Phelps Dodge Corporation ........................... 10,842 ---------- 81,480 ---------- MULTILINE RETAIL--.7% 285 Kohl's Corporation* ................................ 13,717 ---------- OIL & GAS--1.3% 210 Energy Partners, Ltd.* ............................. 5,327 450 Talisman Energy Inc. ............................... 19,931 ---------- 25,258 ---------- PERSONAL CARE--1.0% 240 Bausch & Lomb Incorporated ......................... 17,806 ---------- PERSONAL PRODUCTS--.5% 345 Avon Products, Inc. ................................ 9,312 ---------- PHARMACEUTICALS--6.1% 400 AstraZeneca PLC Sponsored ADR# ..................... 17,960 900 IVAX Corporation* .................................. 25,695 350 Novartis AG ADR# ................................... 18,837 350 Sanofi-Aventis ADR# ................................ 14,042 800 Schering-Plough Corporation ........................ 16,272 370 Sepracor Inc.* ..................................... 20,813 ---------- 113,619 ---------- ROAD & RAIL--.9% 270 Burlington Northern Santa Fe Corporation ........... 16,756 ---------- -38- THE ALGER INSTITUTIONAL FUNDS ALGER SOCIALLY RESPONSIBLE GROWTH INSTITUTIONAL FUND SCHEDULE OF INVESTMENTS (CONTINUED) October 31, 2005 SHARES COMMON STOCKS (CONTINUED) VALUE --------- -------- SEMICONDUCTORS & SEMICONDUCTOR EQUIPMENT--5.2% 790 Advanced Micro Devices, Inc.* .................... $ 18,344 310 Intel Corporation ................................ 7,285 855 Marvell Technology Group Ltd.* ................... 39,681 410 Silicon Storage Technology Inc.* ................. 2,071 945 Tessera Technologies Inc.* ....................... 26,366 120 Trident Microsystems, Inc.* ...................... 3,631 ------------ 97,378 ------------ SOFTWARE--6.1% 2,575 Microsoft Corporation ............................ 66,178 980 Oracle Corporation* .............................. 12,426 1,480 Verifone Holdings Inc.* .......................... 34,336 ------------ 112,940 ------------ SPECIALTY RETAIL--1.8% 340 Abercrombie & Fitch Co. Cl. A .................... 17,676 250 Lowe's Companies, Inc. .......................... 15,193 ------------ 32,869 ------------ TEXTILES, APPAREL & LUXURY GOODS--.3% 105 Polo Ralph Lauren Corporation Cl. A .............. 5,165 ------------ WIRELESS TELECOMMUNICATION SERVICES--2.5% 695 Alamosa Holdings, Inc.* .......................... 10,286 170 America Movil S.A. de C.V. ADR Series L# ......... 4,463 649 American Tower Corporation Cl. A* ................ 15,479 195 NII Holdings Inc. CI. B* ......................... 16,170 ------------ 46,398 ------------ Total Common Stocks (Cost $1,567,725) .............................. 1,775,086 ------------ Total Investments (Cost $1,567,725)(a) ................................. 95.5% 1,775,086 Other Assets in Excess of Liabilities .................. 4.5 84,572 ----- ------------ Net Assets ............................................. 100.0% $ 1,859,658 ===== ============ - ---------- * Non-income producing security. # American Depositary Receipts. (a) At October 31, 2005, the net unrealized appreciation on investments, based on cost for federal income tax purposes of $1,568,208 amounted to $206,878 which consisted of aggregate gross unrealized appreciation of $238,873 and aggregate gross unrealized depreciation of $31,995. See Notes to Financial Statements. This Page Intentionally Left Blank -40- THE ALGER INSTITUTIONAL FUNDS STATEMENTS OF ASSETS AND LIABILITIES October 31, 2005 LargeCap SmallCap Growth Growth Fund Fund ------------ ---------- ASSETS: Investments in securities, at value (identified cost*)--see accompanying schedules of investments ..................... $ 89,552,568 $ 73,083,000 Cash ........................................... 466,155 20,362 Receivable for investment securities sold ...... 1,406,837 751,548 Receivable for shares of beneficial interest sold ................................ 105,711 853,947 Dividends and interest receivable .............. 22,990 7,240 Receivable from Investment Manager-- Note 3(a) .................................... -- -- Prepaid expenses ............................... 839 2,503 ------------ ------------ Total Assets ................................. 91,555,100 74,718,600 ------------ ------------ LIABILITIES: Payable for investment securities purchased .... 783,867 834,349 Payable for shares of beneficial interest redeemed ..................................... 119,290 89,302 Accrued investment management fees ............. 57,063 51,732 Accrued transfer agent fees .................... 666 1,821 Accrued expenses ............................... 43,264 30,070 ------------ ------------ Total Liabilities ............................ 1,004,150 1,007,274 ------------ ------------ NET ASSETS ..................................... $ 90,550,950 $ 73,711,326 ============ ============ Net Assets Consist of: Paid-in capital .............................. $109,444,055 $128,171,458 Accumulated net investment income (loss) ..... 274,397 -- Undistributed net realized gain (accumulated loss) ......................... (25,242,100) (62,630,228) Net unrealized appreciation (depreciation) ... 6,074,598 8,170,096 ------------ ------------ NET ASSETS ..................................... $ 90,550,950 $ 73,711,326 ============ ============ Shares of beneficial interest outstanding-- Note 6 Class I ...................................... 6,902,835 3,566,115 ============ ============ Class R ...................................... 308,797 125,998 ============ ============ Net Asset Value Per Share Class I ...................................... $ 12.56 $ 19.97 ============ ============ Class R ...................................... $ 12.39 $ 19.74 ============ ============ *Identified cost ............................... $ 83,477,970 $ 64,912,904 ============ ============ See Notes to Financial Statements. -41- Socially MidCap Capital Responsible Growth Appreciation Balanced Growth Fund Fund Fund Fund --------- ------------ ---------- ------------ ASSETS: Investments in securities, at value (identified cost*)--see accompanying schedules of investments ..................... $1,093,700,991 $131,454,040 $1,672,321 $1,775,086 Cash ........................................... 3,363,940 37,211 68,063 162,293 Receivable for investment securities sold ...... 90,246,013 1,085,878 14,206 15,886 Receivable for shares of beneficial interest sold ................................ 3,078,662 403,959 1,226 -- Dividends and interest receivable .............. 15,055 38,657 6,655 544 Receivable from Investment Manager-- Note 3(a) .................................... -- -- 692 1,017 Prepaid expenses ............................... 12,703 1,165 109 429 -------------- ------------ ---------- ---------- Total Assets ................................. 1,190,417,364 133,020,910 1,763,272 1,955,255 -------------- ------------ ---------- ---------- LIABILITIES: Payable for investment securities purchased .... 72,730,405 3,062,355 9,934 90,298 Payable for shares of beneficial interest redeemed ..................................... 962,970 99,435 -- -- Accrued investment management fees ............. 744,814 91,350 1,103 1,159 Accrued transfer agent fees .................... 13,083 1,862 121 126 Accrued expenses ............................... 352,694 46,933 3,732 4,014 -------------- ------------ ---------- ---------- Total Liabilities ............................ 74,803,966 3,301,935 14,890 95,597 -------------- ------------ ---------- ---------- NET ASSETS ..................................... $1,115,613,398 $129,718,975 $1,748,382 $1,859,658 ============== ============ ========== ========== Net Assets Consist of: Paid-in capital .............................. $ 927,521,288 217,858,156 1,541,818 1,449,596 Accumulated net investment income (loss) ..... -- 46,145 7,357 -- Undistributed net realized gain (accumulated loss) ......................... 116,563,098 (102,606,969) 131,943 202,701 Net unrealized appreciation (depreciation) ... 71,529,012 14,421,643 67,264 207,361 -------------- ------------ ---------- ---------- NET ASSETS ..................................... $1,115,613,398 129,718,975 1,748,382 1,859,658 ============== ============ ========== ========== Shares of beneficial interest outstanding-- Note 6 Class I ...................................... 62,233,472 9,689,139 193,914 244,013 ============== ============ ========== ========== Class R ...................................... 1,276,432 81,916 25,320 58,233 ============== ============ ========== ========== Net Asset Value Per Share Class I ...................................... 17.57 13.28 7.99 6.17 ============== ============ ========== ========== Class R ...................................... $ 17.34 $ 13.09 $ 7.90 $ 6.09 ============== ============ ========== ========== *Identified cost ............................... $1,022,171,979 $117,032,397 $1,605,057 $1,567,725 ============== ============ ========== ========== -42- THE ALGER INSTITUTIONAL FUNDS STATEMENTS OF OPERATIONS For the year ended October, 2005 LargeCap SmallCap Growth Growth Fund Fund ------------ ---------- INVESTMENT INCOME Income: Dividends (net of foreign withholding taxes*) ....................... $ 1,266,644 $ 194,669 Interest .................................... 46,021 97,513 ------------ ------------ Total income ............................... 1,312,665 292,182 ------------ ------------ Expenses: Management fees--Note 3(a) .................. 712,120 569,374 Shareholder servicing fees .................. 237,373 167,463 Custodian fees .............................. 26,007 22,749 Transfer agent fees--Note 3(d) .............. 7,027 9,649 Professional fees ........................... 8,030 4,341 Printing fees ............................... 6,490 10,665 Distribution fees--Note 3(b) ................ 16,919 6,485 Trustees' fees .............................. 2,308 1,637 Interest expense ............................ 3,077 3,196 Miscellaneous ............................... 18,917 17,323 ------------ ------------ 1,038,268 812,882 Less expense reimbursement--Note 3(a) ......... -- -- ------------ ------------ Total Expenses .............................. 1,038,268 812,882 ------------ ------------ NET INVESTMENT INCOME (LOSS) .................. 274,397 (520,700) ------------ ------------ REALIZED AND UNREALIZED GAIN ON INVESTMENTS: Net realized gain on investments ............ 13,970,405 12,443,285 Net change in unrealized appreciation (depreciation) on investments ............... (267,665) 3,593,847 ------------ ------------ Net realized and unrealized gain on investments ............................ 13,702,740 16,037,132 ------------ ------------ NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS ........................... $ 13,977,137 $ 15,516,432 ============ ============ *Foreign withholding taxes .................... $ 332 $ -- ============ ============ See Notes to Financial Statements. -43- Socially MidCap Capital Responsible Growth Appreciation Balanced Growth Fund Fund Fund Fund --------- ------------ ---------- ------------ INVESTMENT INCOME Income: Dividends (net of foreign withholding taxes*) ....................... $ 3,172,026 $ 1,443,816 $ 14,424 $ 15,830 Interest .................................... 1,424,468 123,827 21,668 70 ------------- ------------ --------- --------- Total income ............................... 4,596,494 1,567,643 36,092 15,900 ------------- ------------ --------- --------- Expenses: Management fees--Note 3(a) .................. 8,060,299 1,098,969 12,579 12,369 Shareholder servicing fees .................. 2,518,843 323,226 3,073 3,091 Custodian fees .............................. 101,555 28,291 12,593 11,529 Transfer agent fees--Note 3(d) .............. 79,038 11,341 380 554 Professional fees ........................... 45,980 6,951 2,144 1,709 Printing fees ............................... 117,725 11,265 2,007 2,007 Distribution fees--Note 3(b) ................ 87,076 4,544 947 1,234 Trustees' fees .............................. 24,341 3,146 40 40 Interest expense ............................ 0 607 -- -- Miscellaneous ............................... 146,756 33,158 1,631 1,613 ------------- ------------ --------- --------- 11,181,613 1,521,498 35,394 34,146 Less expense reimbursement--Note 3(a) ......... -- -- (13,482) (12,294) ------------- ------------ --------- --------- Total Expenses .............................. 11,181,613 1,521,498 21,912 21,852 ------------- ------------ --------- --------- NET INVESTMENT INCOME (LOSS) .................. (6,585,119) 46,145 14,180 (5,952) ------------- ------------ --------- --------- REALIZED AND UNREALIZED GAIN ON INVESTMENTS: Net realized gain on investments ............ 128,514,342 20,951,677 147,670 209,975 Net change in unrealized appreciation (depreciation) on investments ............... 18,827,371 2,819,558 (4,164) 85,690 ------------- ------------ --------- --------- Net realized and unrealized gain on investments ............................ 147,341,713 23,771,235 143,506 295,665 ------------- ------------ --------- --------- NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS ........................... $ 140,756,594 $ 23,817,380 $ 157,686 $ 289,713 ============= ============ ========= ========= *Foreign withholding taxes .................... $ 4,952 $ 3,710 $ 4 $ 63 ============= ============ ========= ========= -44- THE ALGER INSTITUTIONAL FUNDS STATEMENTS OF CHANGES IN NET ASSETS LargeCap Growth Fund --------------------------------- For the For the Year Ended Year Ended October 31, October 31, 2005 2004 ------------- ------------- Net investment income (loss) ................ $ 274,397 $ (501,149) Net realized gain on investments ............ 13,970,405 8,360,426 Net change in unrealized appreciation (depreciation) on investments ............. (267,665) (6,519,566) ------------- ------------- Net increase in net assets resulting from operations ................. 13,977,137 1,339,711 ------------- ------------- Dividends and distributions to shareholders from: Net investment income Class I ................................... -- -- Class R ................................... -- -- Net realized gains Class I ................................... -- -- Class R ................................... -- -- ------------- ------------- Total dividends and distributions to shareholders .............................. -- -- ------------- ------------- Increase (decrease) from shares of beneficial interest transactions: Class I ................................... (14,888,992) (4,892,989) Class R ................................... 871,501 2,423,531 ------------- ------------- Net increase (decrease) from shares of beneficial interest transactions--Note 6 ...................... (14,017,491) (2,469,458) ------------- ------------- Total increase (decrease) ............... (40,354) (1,129,747) Net Assets: Beginning of year ......................... 90,591,304 91,721,051 ------------- ------------- End of year ............................... $ 90,550,950 $ 90,591,304 ============= ============= Undistributed net investment income (accumulated loss) ........................ $ 274,397 $ (501,149) ============= ============= See Notes to Financial Statements. -45- SmallCap MidCap Growth Growth Fund Fund ------------------------------------ ------------------------------------- For the For the For the For the Year Ended Year Ended Year Ended Year Ended October 31, October 31, October 31, October 31, 2005 2004 2005 2004 ------------- ------------- --------------- ------------- Net investment income (loss) .................. $ (520,700) $ (918,437) $ (6,585,119) $ (6,352,257) Net realized gain on investments .............. 12,443,285 19,348,420 128,514,342 38,265,061 Net change in unrealized appreciation (depreciation) on investments ............... 3,593,847 (13,191,873) 18,827,371 (10,878,579) ------------- ------------- --------------- ------------- Net increase in net assets resulting from operations ................... 15,516,432 5,238,110 140,756,594 21,034,225 ------------- ------------- --------------- ------------- Dividends and distributions to shareholders from: Net investment income Class I ..................................... -- -- -- -- Class R ..................................... -- -- -- -- Net realized gains Class I ..................................... -- -- (14,080,915) -- Class R ..................................... -- -- (225,450) -- ------------- ------------- --------------- ------------- Total dividends and distributions to shareholders ................................ -- -- (14,306,365) -- ------------- ------------- --------------- ------------- Increase (decrease) from shares of beneficial interest transactions: Class I ..................................... (13,839,314) (28,739,464) 129,721,799 277,510,949 Class R ..................................... 1,962,273 203,378 8,168,446 11,195,628 ------------- ------------- --------------- ------------- Net increase (decrease) from shares of beneficial interest transactions--Note 6 ........................ (11,877,041) (28,536,086) 137,890,245 288,706,577 ------------- ------------- --------------- ------------- Total increase (decrease) ................. 3,639,391 (23,297,976) 264,340,474 309,740,802 Net Assets: Beginning of year ........................... 70,071,935 93,369,911 851,272,924 541,532,122 ------------- ------------- --------------- ------------- End of year ................................. $ 73,711,326 $ 70,071,935 $ 1,115,613,398 $ 851,272,924 ============= ============= =============== ============= Undistributed net investment income (accumulated loss) .......................... $ -- $ (918,437) $ -- $ (6,352,257) ============= ============= =============== ============= -46- THE ALGER INSTITUTIONAL FUNDS STATEMENTS OF CHANGES IN NET ASSETS Capital Appreciation Fund -------------------------------- For the For the Year Ended Year Ended October 31, October 31, 2005 2004 ------------ ------------ Net investment income (loss) ................ $ 46,145 $ (1,322,488) Net realized gain on investments ............ 20,951,677 10,282,251 Net change in unrealized appreciation (depreciation) on investments ............. 2,819,558 (8,886,695) ------------ ------------ Net increase in net assets resulting from operations ................. 23,817,380 73,068 ------------ ------------ Dividends and distributions to shareholders from: Net investment income Class I ................................... -- -- Class R ................................... -- -- Net realized gains Class I ................................... -- -- Class R ................................... -- -- ------------ ------------ Total dividends and distributions to shareholders .............................. -- -- ------------ ------------ Increase (decrease) from shares of beneficial interest transactions: Class I ................................... (19,901,503) (35,772,587) Class R ................................... 208,163 659,615 ------------ ------------ Net increase (decrease) from shares of beneficial interest transactions--Note 6 ...................... (19,693,340) (35,112,972) ------------ ------------ Total increase (decrease) ............... 4,124,040 (35,039,904) Net Assets: Beginning of year ......................... 125,594,935 160,634,839 ------------ ------------ End of year ............................... $129,718,975 $125,594,935 ============ ============ Undistributed net investment income (accumulated loss) ........................ $ 46,145 $ (1,322,488) ============= ============= See Notes to Financial Statements. -47- Socially Responsible Balanced Growth Fund Fund --------------------------------- -------------------------------- For the For the For the For the Year Ended Year Ended Year Ended Year Ended October 31, October 31, October 31, October 31, 2005 2004 2005 2004 ---------- ---------- ---------- ---------- Net investment income (loss) ................ $ 14,180 $ 3,788 $ (5,952) $ (14,986) Net realized gain on investments ............ 147,670 45,169 209,975 62,678 Net change in unrealized appreciation (depreciation) on investments ............. (4,164) (31,014) 85,690 (41,602) ---------- ---------- ---------- ---------- Net increase in net assets resulting from operations ................. 157,686 17,943 289,713 6,090 ---------- ---------- ---------- ---------- Dividends and distributions to shareholders from: Net investment income Class I ................................... (12,752) (756) -- -- Class R ................................... (1,011) -- -- -- Net realized gains Class I ................................... (35,778) -- (56,378) (6,181) Class R ................................... (4,123) -- (7,512) (397) ---------- ---------- ---------- ---------- Total dividends and distributions to shareholders .............................. (53,664) (756) (63,890) (6,578) ---------- ---------- ---------- ---------- Increase (decrease) from shares of beneficial interest transactions: Class I ................................... 20,615 11,547 34,899 951 Class R ................................... 23,053 105,281 214,520 40,664 ---------- ---------- ---------- ---------- Net increase (decrease) from shares of beneficial interest transactions--Note 6 ...................... 43,668 116,828 249,419 41,615 ---------- ---------- ---------- ---------- Total increase (decrease) ............... 147,690 134,015 475,242 41,127 Net Assets: Beginning of year ......................... 1,600,692 1,466,677 1,384,416 1,343,289 ---------- ---------- ---------- ---------- End of year ............................... $1,748,382 $1,600,692 $1,859,658 $1,384,416 ========== ========== ========== ========== Undistributed net investment income (accumulated loss) ........................ $ 7,357 $ 1,274 $ -- $ (14,986) ========== ========== ========== ========== -48- THE ALGER INSTITUTIONAL FUNDS FINANCIAL HIGHLIGHTS FOR A SHARE OUTSTANDING THROUGHOUT THE PERIOD Income from Investment Operations ------------------------- Net Realized and Net Net Asset Net Unrealized Total Distributions Asset Value, Investment Gain from from Value, Beginning Income (Loss) on Investment Net Realized End of of Period (Loss)(iii) Investments Operations Gains Period --------- ----------- ----------- ---------- ------------ ------ ALGER LARGECAP GROWTH INSTITUTIONAL FUND (i) CLASS I Year ended 10/31/05 ................... $10.86 $ 0.04 $ 1.66 $ 1.70 $ -- $12.56 Year ended 10/31/04 ................... 10.71 (0.06) 0.21 0.15 -- 10.86 Year ended 10/31/03 ................... 8.70 (0.03) 2.04 2.01 -- 10.71 Year ended 10/31/02 ................... 11.63 (0.03) (2.90) (2.93) -- 8.70 Year ended 10/31/01 ................... 17.15 (0.03) (4.50) (4.53) (0.99) 11.63 CLASS R Year ended 10/31/05 ................... $10.76 $(0.03) $ 1.66 $ 1.63 $ -- $12.39 Year ended 10/31/04 ................... 10.66 (0.12) 0.22 0.10 -- 10.76 From 1/27/03 to 10/31/03(ii)(iv) ...... 8.12 (0.06) 2.60 2.54 -- 10.66 ALGER SMALLCAP GROWTH INSTITUTIONAL FUND CLASS I Year ended 10/31/05 ................... $16.07 $(0.14) $ 4.04 $ 3.90 $ -- $19.97 Year ended 10/31/04 ................... 15.10 (0.16) 1.13 0.97 -- 16.07 Year ended 10/31/03 ................... 10.97 (0.12) 4.25 4.13 -- 15.10 Year ended 10/31/02 ................... 13.35 (0.13) (2.25) (2.38) -- 10.97 Year ended 10/31/01 ................... 23.78 (0.08) (10.35) (10.43) -- 13.35 CLASS R Year ended 10/31/05 ................... $15.93 $(0.22) $ 4.03 $ 3.81 $ -- $19.74 Year ended 10/31/04 ................... 15.05 (0.25) 1.13 0.88 -- 15.93 From 1/27/03 to 10/31/03(ii)(iv) ...... 10.72 (0.14) 4.47 4.33 -- 15.05 ALGER MIDCAP GROWTH INSTITUTIONAL FUND CLASS I Year ended 10/31/05 ................... $15.38 $(0.11) $ 2.55 $ 2.44 $(0.25) $17.57 Year ended 10/31/04 ................... 14.78 (0.13) 0.73 0.60 -- 15.38 Year ended 10/31/03 ................... 10.76 (0.11) 4.13 4.02 -- 14.78 Year ended 10/31/02 ................... 13.34 (0.10) (2.48) (2.58) -- 10.76 Year ended 10/31/01 ................... 17.53 (0.08) (3.44) (3.52) (0.67) 13.34 CLASS R Year ended 10/31/05 ................... $15.25 $(0.19) $ 2.53 $ 2.34 $(0.25) $17.34 Year ended 10/31/04 ................... 14.73 (0.21) 0.73 0.52 -- 15.25 From 1/27/03 to 10/31/03(ii)(iv) ...... 10.25 (0.14) 4.62 4.48 -- 14.73 - ---------- (i) Prior to March 1, 2002, the Alger LargeCap Growth Institutional Fund was the Alger Growth Retirement Portfolio. (ii) Commenced operations January 27, 2003. (iii) Amount was computed based on average shares outstanding during the period. (iv) Ratios have been annualized; total return has not been annualized. See Notes to Financial Statements. -49- Ratios/Supplemental Data -------------------------------------------- Net Ratio of Ratio of Net Assets, Expenses Investment End of to Income Period Average (Loss) to Portfolio Total (000's Net Average Turnover Return omitted) Assets Net Assets Rate ------ -------- -------- ------------ --------- ALGER LARGECAP GROWTH INSTITUTIONAL FUND (i) CLASS I Year ended 10/31/05 ................... 15.7% $ 86,725 1.08% 0.31% 249.06% Year ended 10/31/04 ................... 1.4 88,098 1.13 (0.51) 191.48 Year ended 10/31/03 ................... 23.1 91,588 1.14 (0.31) 255.49 Year ended 10/31/02 ................... (25.2) 108,660 1.14 (0.24) 202.07 Year ended 10/31/01 ................... (27.5) 97,308 1.09 (0.20) 89.54 CLASS R Year ended 10/31/05 ................... 15.2% $ 3,826 1.57% (0.29)% 249.06% Year ended 10/31/04 ................... 0.9 2,493 1.64 (1.05) 191.48 From 1/27/03 to 10/31/03(ii)(iv) ...... 31.3 133 1.62 (0.84) 255.49 ALGER SMALLCAP GROWTH INSTITUTIONAL FUND CLASS I Year ended 10/31/05 ................... 24.3% $ 71,224 1.20% (0.77)% 116.16% Year ended 10/31/04 ................... 6.4 69,788 1.25 (1.03) 135.80 Year ended 10/31/03 ................... 37.7 93,300 1.24 (0.99) 139.97 Year ended 10/31/02 ................... (17.8) 62,780 1.25 (1.01) 138.01 Year ended 10/31/01 ................... (43.9) 86,790 1.19 (0.46) 191.89 CLASS R Year ended 10/31/05 ................... 23.9% $ 2,487 1.68% (1.20)% 116.16% Year ended 10/31/04 ................... 5.8 284 1.75 (1.55) 135.80 From 1/27/03 to 10/31/03(ii)(iv) ...... 40.4 70 1.74 (1.49) 139.97 ALGER MIDCAP GROWTH INSTITUTIONAL FUND CLASS I Year ended 10/31/05 ................... 16.0% $1,093,486 1.10% (0.64)% 237.74% Year ended 10/31/04 ................... 4.1 839,273 1.15 (0.87) 190.93 Year ended 10/31/03 ................... 37.4 540,742 1.17 (0.89) 217.33 Year ended 10/31/02 ................... (19.3) 215,727 1.17 (0.81) 284.69 Year ended 10/31/01 ................... (20.6) 217,153 1.13 (0.51) 130.93 CLASS R Year ended 10/31/05 ................... 15.4% $ 22,127 1.60% (1.15)% 237.74% Year ended 10/31/04 ................... 3.5 12,000 1.65 (1.37) 190.93 From 1/27/03 to 10/31/03(ii)(iv) ...... 43.7 790 1.66 (1.40) 217.33 -50- THE ALGER INSTITUTIONAL FUNDS FINANCIAL HIGHLIGHTS FOR A SHARE OUTSTANDING THROUGHOUT THE PERIOD Income from Investment Operations ------------------------ Net Realized and Net Asset Net Unrealized Total Dividends Distributions Value, Investment Gain from from Net from Beginning Income (Loss) on Investment Investment Net Realized of Period (Loss)(iii) Investments Operations Income Gains --------- ----------- ----------- ---------- ---------- ------------ ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND CLASS I Year ended 10/31/05 .................. $11.05 $ -- $2.23 $2.23 $ -- $ -- Year ended 10/31/04 .................. 11.06 (0.10) 0.09 (0.01) -- -- Year ended 10/31/03 .................. 8.97 (0.06) 2.15 2.09 -- -- Year ended 10/31/02 .................. 11.66 (0.08) (2.61) (2.69) -- -- Year ended 10/31/01 .................. 18.12 (0.03) (6.37) (6.40) -- (0.06) CLASS R Year ended 10/31/05 .................. $10.95 $ (0.06) $2.20 $2.14 $ -- $ -- Year ended 10/31/04 .................. 11.01 (0.16) 0.10 (0.06) -- -- From 1/27/03 to 10/31/03(ii)(iv) ..... 8.36 (0.08) 2.73 2.65 -- -- ALGER BALANCED INSTITUTIONAL FUND CLASS I Year ended 10/31/05 .................. $ 7.50 $ 0.07 $0.67 $0.74 $(0.07) $(0.18) Year ended 10/31/04 .................. 7.41 0.02 0.07 0.09 -- -- Year ended 10/31/03 .................. 6.67 (0.01) 0.75 0.74 -- -- Year ended 10/31/02 .................. 8.20 (0.39) (1.14) (1.53) -- -- From 12/4/00 to 10/31/01(i)(iv) ...... 10.00 (0.11) (1.69) (1.80) -- -- CLASS R Year ended 10/31/05 .................. $ 7.43 $ 0.03 $0.67 $0.70 $(0.05) $(0.18) Year ended 10/31/04 .................. 7.38 (0.02) 0.07 0.05 -- -- From 1/27/03 to 10/31/03(ii)(iv) ..... 6.43 (0.04) 0.99 0.95 -- -- ALGER SOCIALLY RESPONSIBLE GROWTH INSTITUTIONAL FUND CLASS I Year ended 10/31/05 .................. $ 5.37 $ (0.01) $1.05 $1.04 $ -- $(0.24) Year ended 10/31/04 .................. 5.38 (0.05) 0.07 0.02 -- (0.03) Year ended 10/31/03 .................. 4.43 (0.09) 1.04 0.95 -- -- Year ended 10/31/02 .................. 6.37 (0.77) (1.17) (1.94) -- -- From 12/4/00 to 10/31/01(i)(iv) ...... 10.00 (0.30) (3.33) (3.63) -- -- CLASS R Year ended 10/31/05 .................. $ 5.34 $ (0.05) $1.04 $0.99 $ -- $(0.24) Year ended 10/31/04 .................. 5.37 (0.08) 0.08 -- -- (0.03) From 1/27/03 to 10/31/03(ii)(iv) ..... 4.13 (0.08) 1.32 1.24 -- -- - ---------- (i) Commenced operations December 4, 2000. (ii) Commenced operations January 27, 2003. (iii) Amount was computed based on average shares outstanding during the period. (iv) Ratios have been annualized; total return has not been annualized. (v) Amount has been reduced by 1.01% due to expense reimbursement. (vi) Amount has been reduced by 0.80% due to expense reimbursement. (vii) Amount has been reduced by 1.00% due to expense reimbursement. (viii) Amount has been reduced by 0.81% due to expense reimbursement. (ix) Amount has been reduced by 0.90% due to expense reimbursement. (x) Amount has been reduced by 0.75% due to expense reimbursement. (xi) Amount has been reduced by 0.94% due to expense reimbursement. (xii) Amount has been reduced by 0.73% due to expense reimbursement. See Notes to Financial Statements. -51- Ratios/Supplemental Data ----------------------------------------------- Net Ratio of Ratio of Net Net Assets, Expenses Investment Asset End of to Income Value, Period Average (Loss) to Portfolio Total End of Total (000's Net Average Turnover Distributions Period Return omitted) Assets Net Assets Rate ------------- ------ ------ -------- -------- ------------ --------- ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND CLASS I Year ended 10/31/05 .................. $ -- $13.28 20.2% $128,646 1.17% 0.04% 148.91% Year ended 10/31/04 .................. -- 11.05 (0.1) 124,889 1.23 (0.87) 160.00 Year ended 10/31/03 .................. -- 11.06 23.3 160,569 1.23 (0.59) 187.72 Year ended 10/31/02 .................. -- 8.97 (23.1) 132,010 1.23 (0.73) 180.39 Year ended 10/31/01 .................. (0.06) 11.66 (35.4) 187,187 1.18 (0.21) 104.17 CLASS R Year ended 10/31/05 .................. $ -- $13.09 19.5% $ 1,073 1.67% (0.51)% 148.91% Year ended 10/31/04 .................. -- 10.95 (0.5) 706 1.73 (1.39) 160.00 From 1/27/03 to 10/31/03(ii)(iv) ..... -- 11.01 31.7 66 1.72 (1.01) 187.72 ALGER BALANCED INSTITUTIONAL FUND CLASS I Year ended 10/31/05 .................. $(0.25) $ 7.99 10.1% $ 1,548 1.25%(vi) 0.90% 211.26% Year ended 10/31/04 .................. -- 7.50 1.3 1,435 1.35(v) 0.28 184.21 Year ended 10/31/03 .................. -- 7.41 11.1 1,409 2.00 (0.15) 149.42 Year ended 10/31/02 .................. -- 6.67 (18.7) 225 6.72 (5.21) 321.89 From 12/4/00 to 10/31/01(i)(iv) ...... -- 8.20 (18.0) 108 3.13 (1.44) 15.99 CLASS R Year ended 10/31/05 .................. $(0.23) $ 7.90 9.6% $ 200 1.75%(viii) (0.38)% 211.26% Year ended 10/31/04 .................. -- 7.43 0.7 166 1.82(vii) (0.28) 184.21 From 1/27/03 to 10/31/03(ii)(iv) ..... -- 7.38 14.8 58 2.56 (0.74) 149.42 ALGER SOCIALLY RESPONSIBLE GROWTH INSTITUTIONAL FUND CLASS I Year ended 10/31/05 .................. $(0.24) $ 6.17 19.8% $ 1,505 1.25%(x) (0.25)% 152.60% Year ended 10/31/04 .................. (0.03) 5.37 0.3 1,277 1.34(ix) (1.04) 166.03 Year ended 10/31/03 .................. -- 5.38 21.4 1,277 2.26 (1.69) 187.82 Year ended 10/31/02 .................. -- 4.43 (30.5) 46 13.48 (13.17) 205.83 From 12/4/00 to 10/31/01(i)(iv) ...... -- 6.37 (36.3) 77 5.31 (4.75) 114.33 CLASS R Year ended 10/31/05 .................. $(0.24) $ 6.09 18.9% $ 355 1.75%(xii) (0.97)% 152.60% Year ended 10/31/04 .................. (0.03) 5.34 (0.1) 107 1.83(xi) (1.53) 166.03 From 1/27/03 to 10/31/03(ii)(iv) ..... -- 5.37 30.0 66 2.92 (2.29) 187.82 -52- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS NOTE 1--GENERAL: The Alger Institutional Funds (formerly The Alger Institutional Fund) (the "Trust"), is a diversified, open-end registered investment company organized as a business trust under the laws of the Commonwealth of Massachusetts. The Trust operates as a series company and currently issues an unlimited number of shares of beneficial interest in six funds--LargeCap Growth Fund, SmallCap Growth Fund, MidCap Growth Fund, Capital Appreciation Fund, Balanced Fund and Socially Responsible Growth Fund (the "Funds"). Prior to February 28, 2004, the LargeCap Growth Fund was the LargeCap Growth Portfolio, the SmallCap Growth Fund was the Small Cap Portfolio, the MidCap Growth Fund was the MidCap Growth Portfolio, the Capital Appreciation Fund was the Capital Appreciation Portfolio, the Balanced Fund was the Balanced Portfolio and the Socially Responsible Growth Fund was the Socially Responsible Growth Portfolio. The LargeCap Growth Fund, SmallCap Growth Fund, MidCap Growth Fund, Capital Appreciation Fund and Socially Responsible Growth Fund normally invest primarily in equity securities and each has an investment objective of long-term capital appreciation. The Balanced Fund's investment objectives are current income and long-term capital appreciation which it seeks to achieve through investing in equity and fixed income securities. Each Fund offers Class I and Class R shares. Class R shares were first offered January 27, 2003. Each class has identical rights to assets and earnings except that only Class R shares have a plan of distribution and bear the related expenses. NOTE 2--SIGNIFICANT ACCOUNTING POLICIES: (a) INVESTMENT VALUATION: Investments of the Funds are valued on each day the New York Stock Exchange (the "NYSE") is open as of the close of the NYSE (currently 4:00 p.m. Eastern time). Listed securities for which such information is regularly reported are valued at the last reported sales price or, in the absence of reported sales, at the mean between the bid and asked price or, in the absence of a recent bid or asked price, the equivalent as obtained from one or more of the major market makers for the securities to be valued. Securities included within the Nasdaq market shall be valued at the Nasdaq official closing price (NOCP) on the day of valuation, or if there be no NOCP issued, at the last sale price on such day. Securities included within the Nasdaq market for which there is no NOCP and no last sale price on the day of valuation shall be valued at the mean between the last bid and asked prices on such day. Securities for which market quotations are not readily available are valued at fair value, as determined in good faith pursuant to procedures established by the Board of Trustees. -53- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS (CONTINUED) Short-term securities having a remaining maturity of sixty days or less are valued at amortized cost which approximates market value. Shares of mutual funds are valued at the net asset value of the underlying mutual fund. (b) SECURITIES TRANSACTIONS AND INVESTMENT INCOME: Securities transactions are recorded on a trade date basis. Realized gains and losses from securities transactions are recorded on the identified cost basis. Dividend income is recognized on the ex-dividend date and interest income is recognized on the accrual basis. Premiums and discounts on debt securities purchased are amortized or accreted over the lives of the respective securities. (c) REPURCHASE AGREEMENTS: The Funds enter into repurchase agreements with approved institutions. The repurchase agreements are collateralized by U.S. Government securities, which are either received and held in physical possession by the custodian or received by such custodian in book-entry form through the Federal Reserve book-entry system. The collateral is valued on a daily basis during the term of the agreement to ensure that its value equals or exceeds the agreed-upon repurchase price to be repaid to the Funds. Additional collateral is obtained when necessary. (d) LENDING OF FUND SECURITIES: The Funds may lend their securities to financial institutions, provided that the market value of the securities loaned will not at any time exceed one third of a Fund's total assets, as defined. The Funds earn fees on the securities loaned. In order to protect against the risk of failure by the borrower to return the securities loaned or any delay in the delivery of such securities, the loan is collateralized by cash, letters of credit or U.S. Government securities that are maintained in an amount equal to at least 100 percent of the current market value of the loaned securities. The market value of the loaned securities is determined at the close of business of the Funds and any required additional collateral is delivered to the Funds on the next business day. As of October 31, 2005, there were no securities on loan. (e) DIVIDENDS TO SHAREHOLDERS: Dividends payable to shareholders are recorded on the ex-dividend date. With respect to all Funds, dividends from net investment income and distributions from net realized gains, offset by any loss carry forward, are declared and paid annually after the end of the fiscal year in which earned. Each class is treated separately in determining the amounts of dividends of net investment income payable to holders of its shares. The characterization of distributions to shareholders for financial reporting purposes is determined in accordance with federal income tax rules. Therefore, the source of the Funds' distributions may be shown in the accompanying financial statements as either from, or in excess of net investment income, net realized gain on investment transactions or return of capital, depending on the type of book/tax differences that may exist. Capital accounts within the -54- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS (CONTINUED) financial statements are adjusted for permanent book/tax differences. Reclassifications result primarily from the differences in tax treatment of net operating losses and amortization adjustments on debt securities. The reclassifications had no impact on the net asset values of the Funds and are designed to present the Funds' capital accounts on a tax basis. (f) FEDERAL INCOME TAXES: It is each Fund's policy to comply with the requirements of the Internal Revenue Code applicable to regulated investment companies and to distribute all of its investment company taxable income to its shareholders. Provided a Fund maintains such compliance, no federal income tax provision is required. Each Fund is treated as a separate entity for the purpose of determining such compliance. (g) ALLOCATION METHODS: The Trust accounts separately for the assets, liabilities and operations of each Fund. Expenses directly attributable to each Fund are charged to that Fund's operations; expenses which are applicable to all Funds are allocated among them based on net assets. Income, realized and unrealized gains and losses, and expenses of each Fund, are allocated among the Fund's classes based on relative net assets, with the exception of distribution fees, which are only applicable to Class R shares. (h) INDEMNIFICATION: The Trust enters into contracts that contain a variety of indemnification provisions. The Trust's maximum exposure under these arrangements is unknown. The Trust does not anticipate recognizing any loss related to these arrangements. (i) OTHER: These financial statements have been prepared using estimates and assumptions that affect the reported amounts therein. Actual results may differ from those estimates. NOTE 3--INVESTMENT MANAGEMENT FEES AND OTHER TRANSACTIONS WITH AFFILIATES: (a) INVESTMENT MANAGEMENT FEES: Fees incurred by each Fund, pursuant to the provisions of its Investment Management Agreement with Fred Alger Management, Inc. ("Alger Management"), are payable monthly and are computed based on the value of the average daily net assets of each Fund at the following annual rates: LargeCap Growth Fund ............................. .75% SmallCap Growth Fund ............................. .85 MidCap Growth Fund ............................... .80 Capital Appreciation Fund ........................ .85 Balanced Fund .................................... .75 Socially Responsible Growth Fund ................. .75 Alger Management has established an expense cap for the Balanced Fund and the Socially Responsible Growth Fund effective March 1, 2004. Alger Management will reimburse these Funds if annualized operating expenses exceed 1.25% and 1.75% for Class I Shares and Class R Shares, respectively, -55- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS (CONTINUED) of average daily net assets. For the year ended October 31, 2005, Alger Management reimbursed the Balanced Fund and the Socially Responsible Growth Fund $13,482 and $12,294, respectively. (b) DISTRIBUTION FEES: Class R Shares--The Funds have adopted a Distribution Plan pursuant to which Class R shares of each Fund pays Fred Alger & Company, Incorporated, the Trust's distributor (the "Distributor") and an affiliate of Alger Management, a fee at the annual rate of .50% of the respective average daily net assets of the Class R shares of the designated Funds to compensate the Distributor for its activities and expenses incurred in distributing the Class R shares. The fees charged may be more or less than the expenses incurred by the Distributor. (c) BROKERAGE COMMISSIONS: During the year ended October 31, 2005, the LargeCap Growth Fund, the SmallCap Growth Fund, the MidCap Growth Fund, the Capital Appreciation Fund, the Balanced Fund and the Socially Responsible Growth Fund paid the Distributor commissions of $363,357, $90,754, $2,928,917, $240,632, $4,186 and $3,111, respectively, in connection with securities transactions. (d) TRANSFER AGENT FEES: Alger Shareholder Services, Inc. ("Alger Services"), an affiliate of Alger Management, serves as transfer agent for the Trust. During the year ended October 31, 2005, the LargeCap Growth Fund, the Small Cap Growth Fund, the MidCap Growth Fund, the Capital Appreciation Fund, the Balanced Fund and the Socially Responsible Growth Fund incurred fees of $3,840, $3,084, $37,195, $5,321, $67 and $60, respectively, for services provided by Alger Services. Effective November 22, 2004, State Street Bank and Trust Company replaced Alger Services as the Funds' transfer agent. Transfer agent services are provided by State Street Bank and Trust Company's affiliate, Boston Financial Data Services, Inc. ("BFDS"). Effective February 28, 2005, the Trust has entered into a shareholder administrative services agreement with Alger Services to compensate Alger Services on a per account basis for its liaison and administrative oversight ofBFDSand related services. During the year ended October 31, 2005, the LargeCap Growth Fund, the SmallCap Growth Fund, the MidCap Growth Fund, the Capital Appreciation Fund, the Balanced Fund, and the Socially Responsible Growth Fund incurred fees of $195, $1,044, $3,026, $420, $10 and $45, respectively, for these services provided by Alger Services. (e) OTHER TRANSACTIONS WITH AFFILIATES: Certain trustees and officers of the Trust are directors and officers of Alger Management, the Distributor and Alger Services. At October 31, 2005, Alger Management and its affiliates owned 7,330 shares, 4,815 shares, 8,200 shares, 7,349 shares, 177,646 shares and 243,785 shares of the LargeCap Growth Fund, the SmallCap Growth Fund, the MidCap Growth Fund, the Capital Appreciation Fund, the Balanced Fund and the Socially Responsible Growth Fund, respectively. -56- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS (CONTINUED) NOTE 4--SECURITIES TRANSACTIONS: The following summarizes the securities transactions by the Funds, other than short-term securities, for the year ended October 31, 2005: PURCHASES SALES --------- ----- LargeCap Growth Fund ........................ $ 231,818,216 $ 246,984,629 SmallCap Growth Fund ........................ 74,940,925 92,368,104 MidCap Growth Fund .......................... 2,362,919,009 2,277,148,306 Capital Appreciation Fund ................... 186,251,197 205,865,199 Balanced Fund ............................... 3,423,630 3,388,370 Socially Responsible Growth Fund ............ 2,607,492 2,329,033 NOTE 5--LINES OF CREDIT: The Trust has both committed and uncommitted lines of credit with banks. All borrowings have variable interest rates and are payable on demand. With the exception of the Capital Appreciation Fund, the Trust borrows under such lines of credit exclusively for temporary or emergency purposes. The Capital Appreciation Fund may borrow up to 1/3 of the value of its assets, as defined, to purchase additional securities. To the extent the Capital Appreciation Fund borrows under these lines, it must pledge securities with a total value of at least twice the amount borrowed. For the year ended October 31, 2005, the Funds had the following borrowings: AVERAGE WEIGHTED AVERAGE BORROWING INTEREST RATE ----------- ---------------- LargeCap Growth Fund ........................ $ 73,808 4.17% SmallCap Growth Fund ........................ 107,425 2.98 Capital Appreciation Fund ................... 22,288 2.72 NOTE 6--SHARE CAPITAL: The Trust has an unlimited number of authorized shares of beneficial interest of $.001 par value which are presently divided into six series. Each series is divided into two separate classes. -57- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS (CONTINUED) During the year ended October 31, 2005, transactions of shares of beneficial interest were as follows: SHARES AMOUNT ------ ------ LargeCap Growth Fund Class I Shares sold ................................ 2,200,355 $ 26,022,349 Shares redeemed ............................ (3,411,580) (40,911,341) ----------- ------------ Net decrease ............................... (1,211,225) $(14,888,992) =========== ============ Class R Shares sold ................................ 154,719 $ 1,781,735 Shares redeemed ............................ (77,595) (910,234) ----------- ------------ Net increase ............................... 77,124 $ 871,501 =========== ============ SmallCap Growth Fund Class I Shares sold ................................ 1,548,513 $ 28,225,343 Shares redeemed ............................ (2,325,174) (42,064,657) ----------- ------------ Net decrease ............................... (776,661) $(13,839,314) =========== ============ Class R Shares sold ................................ 153,157 $ 2,767,356 Shares redeemed ............................ (44,954) (805,083) ----------- ------------ Net increase ............................... 108,203 $ 1,962,273 =========== ============ MidCap Growth Fund Class I Shares sold ................................ 23,802,074 $401,271,219 Dividends reinvested ....................... 843,221 14,005,908 Shares redeemed ............................ (16,996,823) (285,555,328) ----------- ------------ Net increase ............................... 7,648,472 $129,721,799 =========== ============ Class R Shares sold ................................ 904,309 $ 15,093,802 Dividends reinvested ....................... 13,818 227,446 Shares redeemed ............................ (428,734) (7,152,802) ----------- ------------ Net increase ............................... 489,393 $ 8,168,446 =========== ============ Capital Appreciation Fund Class I Shares sold ................................ 2,623,699 $ 32,136,928 Shares redeemed ............................ (4,237,300) (52,038,431) ----------- ------------ Net decrease ............................... (1,613,601) $(19,901,503) =========== ============ Class R Shares sold ................................ 40,879 $ 488,568 Shares redeemed ............................ (23,401) (280,405) ----------- ------------ Net increase ............................... 17,478 $ 208,163 =========== ============ -58- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS (CONTINUED) SHARES AMOUNT ------ ------ Balanced Fund Class I Shares sold ........................... 9,813 $ 75,364 Dividends reinvested .................. 5,423 41,217 Shares redeemed ....................... (12,703) (95,966) ------------ ------------ Net increase .......................... 2,533 $ 20,615 ============ ============ Class R Shares sold ........................... 3,179 $ 24,043 Dividends reinvested .................. 685 5,169 Shares redeemed ....................... (818) (6,159) ------------ ------------ Net increase .......................... 3,046 $ 23,053 ============ ============ Socially Responsible Growth Fund Class I Shares sold ........................... 50 $ 288 Dividends reinvested .................. 9,429 52,611 Shares redeemed ....................... (3,205) (18,000) ------------ ------------ Net increase .......................... 6,274 $ 34,899 ============ ============ Class R Shares sold ........................... 39,735 $ 223,738 Dividends reinvested .................. 1,012 5,594 Shares redeemed ....................... (2,544) (14,812) ------------ ------------ Net increase .......................... 38,203 $ 214,520 ============ ============ During the year ended October 31, 2004, transactions of shares of beneficial interest were as follows: LargeCap Growth Fund Class I Shares sold ........................... 3,182,162 $ 35,531,451 Shares redeemed ....................... (3,622,713) (40,424,440) ------------ ------------ Net decrease .......................... (440,551) $ (4,892,989) ============ ============ Class R Shares sold ........................... 262,650 $ 2,902,113 Shares redeemed ....................... (43,434) (478,582) ------------ ------------ Net increase .......................... 219,216 $ 2,423,531 ============ ============ SmallCap Growth Fund Class I Shares sold ........................... 2,187,748 $ 35,342,244 Shares redeemed ....................... (4,022,745) (64,081,708) ------------ ------------ Net decrease .......................... (1,834,997) $(28,739,464) ============ ============ Class R Shares sold ........................... 21,118 $ 328,354 Shares redeemed ....................... (7,987) (124,976) ------------ ------------ Net increase .......................... 13,131 $ 203,378 ============ ============ -59- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS (CONTINUED) SHARES AMOUNT -------- -------- MidCap Growth Fund Class I Shares sold ........................... 34,583,348 $ 531,972,510 Shares redeemed ....................... (16,573,777) (254,461,561) ------------- ------------- Net increase .......................... 18,009,571 $ 277,510,949 ============= ============= Class R Shares sold ........................... 936,539 $ 14,301,063 Shares redeemed ....................... (203,152) (3,105,435) ------------- ------------- Net increase .......................... 733,387 $ 11,195,628 ============= ============= Capital Appreciation Fund Class I Shares sold ........................... 5,719,480 $ 65,521,012 Shares redeemed ....................... (8,939,452) (101,293,599) ------------- ------------- Net decrease .......................... (3,219,972) $ (35,772,587) ============= ============= Class R Shares sold ........................... 72,246 $ 816,970 Shares redeemed ....................... (13,789) (157,355) ------------- ------------- Net increase .......................... 58,457 $ 659,615 ============= ============= Balanced Fund Class I Shares sold ........................... 12,405 $ 93,926 Dividends reinvested .................. 100 756 Shares redeemed ....................... (11,277) (83,135) ------------- ------------- Net increase .......................... 1,228 $ 11,547 ============= ============= Class R Shares sold ........................... 14,498 $ 105,281 Shares redeemed ....................... -- -- ------------- ------------- Net increase .......................... 14,498 $ 105,281 ============= ============= Socially Responsible Growth Fund Class I Shares sold ........................... 632 $ 3,477 Dividends reinvested .................. 1,124 6,014 Shares redeemed ....................... (1,613) (8,540) ------------- ------------- Net increase .......................... 143 $ 951 ============= ============= Class R Shares sold ........................... 9,021 $ 47,809 Dividends reinvested .................. 74 398 Shares redeemed ....................... (1,400) (7,543) ------------- ------------- Net increase .......................... 7,695 $ 40,664 ============= ============= -60- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS (CONTINUED) NOTE 7--DISTRIBUTIONS TO SHAREHOLDERS: Distributions paid by the Funds during the year ended October 31, 2004, consisted entirely of ordinary income. The tax character of distributions paid during the year ended October 31, 2005 were as follows: MidCap Growth Fund Distributions paid from: Ordinary income ........................................ $ -- Long-term capital gain ................................. 14,306,365 ----------- Total distributions paid ............................... $14,306,365 =========== Balanced Fund Distributions paid from: Ordinary income ........................................ $ 18,724 Long-term capital gain ................................. 34,940 ----------- Total distributions paid ............................... $ 53,664 =========== Socially Responsible Growth Fund Distributions paid from: Ordinary income ........................................ $ -- Long-term capital gain ................................. 63,890 ----------- Total distributions paid ............................... 63,890 =========== As of October 31, 2005, the components of distributable earnings on a tax basis were as follows: LargeCap Growth Fund Undistributed ordinary income .......................... $ 274,397 Undistributed long-term gain ........................... -- Unrealized appreciation ................................ 5,192,206 SmallCap Growth Fund Undistributed ordinary income .......................... -- Undistributed long-term gain ........................... -- Unrealized appreciation ................................ $ 8,071,398 MidCap Growth Fund Undistributed ordinary income .......................... $93,048,523 Undistributed long-term gain ........................... 30,201,163 Unrealized appreciation ................................ 64,842,423 Capital Appreciation Fund Undistributed ordinary income .......................... $ 46,145 Undistributed long-term gain ........................... -- Unrealized appreciation ................................ 14,365,786 -61- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS (CONTINUED) Balanced Fund Undistributed ordinary income ...................................... $112,638 Undistributed long-term gain ....................................... 30,499 Unrealized appreciation ............................................ 63,427 Socially Responsible Growth Fund Undistributed ordinary income ...................................... $144,418 Undistributed long-term gain ....................................... 58,766 Unrealized appreciation ............................................ 206,878 The differences between book basis and tax basis unrealized appreciation is attributable primarily to the tax deferral of losses on wash sales. At October 31, 2005, the Funds, for federal income tax purposes, had capital loss carryforwards which expire as set forth in the table below. These amounts may be applied against future net realized gains until the earlier of their utilization or expiration. LARGECAP SMALLCAP CAPITAL GROWTH GROWTH APPRECIATION EXPIRATION DATE FUND FUND FUND ------------ ------------ ------------ 2009 $ -- $ 50,188,693 $ 56,066,260 2010 19,289,047 12,342,837 46,484,857 2011 5,070,663 -- -- ------------ ------------ ------------ $ 24,359,710 $ 62,531,530 $102,551,117 ============ ============ ============ NOTE 8--LITIGATION: Alger Management has responded to inquiries, document requests and/or subpoenas from regulatory authorities, including the United States Securities and Exchange Commission ("SEC"), the Office of the New York State Attorney General, the Attorney General of New Jersey, and the West Virginia Securities Commissioner, in connection with their investigations of practices in the mutual fund industry identified as "market timing" and "late trading." On December 16, 2005, Alger Management received from the staff of the SEC a "Wells Notice" which indicated that the staff intends to recommend that the Commission bring civil enforcement action for possible violations of the federal securities laws. "Wells Notices" also have been sent to certain companies affiliated with Alger Management, as well as certain present and former members of its senior management. The Wells Notices arose out of the SEC's staff ongoing investigation of market timing and late trading practices in the mutual fund industry. Alger Management and the other recipients have the opportunity to respond to the staff before the staff makes a formal recommendation. Alger Management plans to send a Wells submission to the staff in January 2006. On August 31, 2005, the West Virginia Securities Commissioner in an ex parte Summary Order to Cease and Desist and Notice of Right to Hearing con- -62- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS (CONTINUED) cluded that Alger Management and Alger Inc. had violated the West Virginia Uniform Securities Act, and ordered Alger Management and Alger Inc. to cease and desist from further violations of the Act by engaging in the market-timing related conduct described in the order. The ex parte order provided notice of their right to a hearing with respect to the violations of law asserted by the Commissioner. Other firms unaffiliated with Alger Management were served with similar orders. Alger Management and Alger Inc. intend to request a hearing for the purpose of seeking to vacate or modify the order. In addition, in 2003 and 2004 several purported class actions and shareholder derivative suits were filed against various parties in the mutual fund industry, including Alger Management, certain mutual funds managed by Alger Management (the "Alger Mutual Funds"), and certain current and former Alger Mutual Fund trustees and officers, alleging wrongful conduct related to market-timing and late-trading by mutual fund shareholders. These cases were transferred to the U.S. District Court of Maryland by the Judicial Panel on Multidistrict Litigation for consolidated pre-trial proceedings. In September 2004, consolidated amended complaints involving these cases -- a Consolidated Amended Fund Derivative Complaint (the "Derivative Complaint") and two substantially identical Consolidated Amended Class Action Complaints (together, the "Class Action Complaint") -- were filed in the Maryland federal district court under the caption number 1:04-MD-15863 (JFM). In April 2005, a civil lawsuit involving similar allegations was filed by the West Virginia Attorney General and also transferred to the Maryland District Court. The Derivative Complaint alleged (i) violations, by Alger Management and, depending on the specific offense alleged, by its immediate parent, Alger Inc., which is the Distributor of the Alger Mutual Funds, and/or the fund trustee defendants, of Sections 36(a), 36(b), 47, and 48 of the Investment Company Act of 1940 (the "Investment Company Act") and of Sections 206 and 215 of the Investment Advisers Act of 1940, breach of fiduciary duty, and breach of contract, (ii) various offenses by other third-party defendants, and (iii) unjust enrichment by all the named defendants. The Class Action Complaint alleged, in addition to the offenses listed above, (i) violations, by Alger Management, Alger Inc., their affiliates, the funds named as defendants, and the current and former fund trustees and officers, of Sections 11, 12(a)(2), and 15 of the Securities Act of 1933, Sections 10(b) (and Rule 10b-5 thereunder) and 20(a) of the Securities Exchange Act of 1934 (the "1934 Act"), and Section 34(b) of the Investment Company Act of 1940, (ii) breach of contract by the funds named as defendants, and (iii) unjust enrichment of the defendants. The West Virginia attorney general action also alleges violations of the West Virginia Consumer Credit and Protection Act and other wrongful conduct. Motions to dismiss the Class Action Complaint and the Derivative Complaint -63- THE ALGER INSTITUTIONAL FUNDS NOTES TO FINANCIAL STATEMENTS (CONTINUED) were subsequently filed. On November 3, 2005, the district court dismissed both complaints in their entirety with respect to the Alger Mutual Funds and dismissed all claims against the other Alger defendants other than the claims under the 1934 Act and Section 36(b) of the Investment Company Act, with leave to the class action plaintiffs to file amended complaints against those defendants with respect to claims under state law. It is anticipated that orders implementing the rulings will be entered in or about January 2006, and that motions for reconsideration will thereafter be filed. Alger Management does not believe that the Alger Mutual Funds are themselves targets of the regulatory investigations as potential enforcement defendants. The SEC and, in some cases, state government authorities have a variety of administrative and civil enforcement powers, including injunctive powers, authority to assess fines and penalties and order restitution, authority to limit the activities of a person or company and other enforcement powers, that may be exercised administratively or through the courts. Under Section 9(a) of the Investment Company Act, if any of the various regulatory proceedings or lawsuits were to result in a court injunction against Alger Management or Alger Inc., Alger Management would, in the absence of exemptive relief granted by the SEC, be barred from serving as investment adviser/sub-adviser for any registered investment company, including the Fund. While exemptive relief from Section 9(a) has been granted in certain other cases, there is no assurance that such exemptive relief would be granted if sought. In addition, it is possible that these matters and/or other developments resulting from these matters could result in loss of Alger Management personnel, diversion of time and attention of Alger Management personnel, diminishment of financial resources of Alger Management, or other consequences potentially adverse to the Fund. Alger Management cannot predict the potential effect of such actions upon Alger Management or the Fund. There can be no assurance that the effect, if any, would not be material. -64- REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM To the Shareholders and Board of Trustees of The Alger Institutional Funds: We have audited the accompanying statements of assets and liabilities, including the schedules of investments, of The Alger Institutional Funds (comprising the LargeCap Growth Institutional, SmallCap Growth Institutional, MidCap Growth Institutional, Capital Appreciation Institutional, Balanced Institutional, and Socially Responsible Growth Institutional Funds) (collectively, the "Funds"), as of October 31, 2005, and the related statements of operations for the year then ended, the statements of changes in net assets for each of the two years in the period then ended, and the financial highlights for each of the four years in the period then ended. These financial statements and financial highlights are the responsibility of the Funds' management. Our responsibility is to express an opinion on these financial statements and financial highlights based on our audits. The financial highlights for the year ended October 31, 2001 were audited by other auditors, whose report, dated November 30, 2001, expressed an unqualified opinion on those financial highlights. We conducted our audits in accordance with the standards of the Public Company Accounting Oversight Board (United States). Those standards require that we plan and perform the audit to obtain reasonable assurance about whether the financial statements and financial highlights are free of material misstatement. We were not engaged to perform an audit of the Funds' internal control over financial reporting. Our audits included consideration of internal control over financial reporting as a basis for designing audit procedures that are appropriate in the circumstances, but not for the purpose of expressing an opinion on the effectiveness of the Funds' internal control over financial reporting. Accordingly, we express no such opinion. An audit also includes examining, on a test basis, evidence supporting the amounts and disclosures in the financial statements and financial highlights, assessing the accounting principles used and significant estimates made by management, and evaluating the overall financial statement presentation. Our procedures included confirmation of securities owned as of October 31, 2005, by correspondence with custodians and brokers. We believe that our audits provide a reasonable basis for our opinion. In our opinion, the financial statements and financial highlights referred to above, and audited by us, present fairly, in all material respects, the financial position of The Alger Institutional Funds at October 31, 2005, the results of its operations for the year then ended, the changes in its net assets for each of the two years in the period then ended, and the financial highlights for each of the four years in the period then ended, in conformity with U.S. generally accepted accounting principles. /s/ Ernst & Young LLP December 12, 2005 -65- THE ALGER INSTITUTIONAL FUNDS ADDITIONAL INFORMATION (UNAUDITED) SHAREHOLDER EXPENSE EXAMPLE (UNAUDITED) As a shareholder of the Fund, you incur two types of costs: transaction costs, if applicable, and ongoing costs, including management fees, distribution (12b-1) fees, if applicable, and other fund expenses. This example is intended to help you understand your ongoing costs (in dollars) of investing in the Fund and to compare these costs with the ongoing costs of investing in other mutual funds. The example below is based on an investment of $1,000 invested at the beginning of the six-month period starting May 1, 2005 and ending October 31, 2005. ACTUAL EXPENSES The first line for each class of shares in the table below provides information about actual account values and actual expenses. You may use the information in this line, together with the amount you invested, to estimate the expenses that you would have paid over the period. Simply divide your account value by $1,000 (for example, an $8,600 account value divided by $1,000 = 8.6), then multiply the result by the number in the first line under the heading entitled "Expenses Paid During the Period" to estimate the expenses you paid on your account during this period. HYPOTHETICAL EXAMPLE FOR COMPARISON PURPOSES The second line for each class of shares in the table below provides information about hypothetical account values and hypothetical expenses based on the Fund's actual expense ratios for each class of shares and an assumed rate of return of 5% per year before expenses, which is not the Fund's actual return. The hypothetical account values and expenses may not be used to estimate the actual ending account balance or expenses you paid for the period. You may use this information to compare the ongoing costs of investing in the Fund and other funds. To do so, compare this 5% hypothetical example with the 5% hypothetical examples that appear in the shareholder reports of other funds. Please note that the expenses shown in the table are meant to highlight your ongoing costs only and do not reflect any transaction costs. Therefore, the second line under each class of shares in the table is useful in comparing ongoing costs only, and will not help you determine the relative total costs of owning different funds. In addition, if these transactional costs were included, your costs would have been higher. -66- SHAREHOLDER EXPENSE EXAMPLE (UNAUDITED) (CONTINUED) RATIO OF EXPENSES TO AVERAGE EXPENSES PAID NET ASSETS BEGINNING ENDING DURING THE PERIOD FOR THE SIX ACCOUNT VALUE ACCOUNT VALUE MAY 1, 2005 TO MONTHS ENDED MAY 1, 2005 OCTOBER 31, 2005 OCTOBER 31, 2005(b) OCTOBER 31, 2005(c) -------------- ---------------- ------------------- ------------------- ALGER LARGECAP GROWTH INSTITUTIONAL FUND CLASS I: Actual ............... $1,000.00 $1,124.40 $5.78 1.08% Hypothetical(a) ...... 1,000.00 1,019.76 5.50 1.08 CLASS R: Actual ............... 1,000.00 1,121.30 8.39 1.57 Hypothetical(a) ...... 1,000.00 1,017.29 7.98 1.57 ALGER SMALLCAP GROWTH INSTITUTIONAL FUND CLASS I: Actual ............... $1,000.00 $1,209.60 $6.68 1.20% Hypothetical(a) ...... 1,000.00 1,019.16 6.11 1.20 CLASS R: Actual ............... 1,000.00 1,206.60 9.34 1.68 Hypothetical(a) ...... 1,000.00 1,016.74 8.54 1.68 ALGER MIDCAP GROWTH INSTITUTIONAL FUND CLASS I: Actual ............... $1,000.00 $1,129.90 $5.91 1.10% Hypothetical(a) ...... 1,000.00 1,019.66 5.60 1.10 CLASS R: Actual ............... 1,000.00 1,126.10 8.57 1.60 Hypothetical(a) ...... 1,000.00 1,017.14 8.13 1.60 ALGER CAPITAL APPRECIATION INSTITUTIONAL FUND CLASS I: Actual ............... $1,000.00 $1,142.90 $6.32 1.17% Hypothetical(a) ...... 1,000.00 1,019.31 5.96 1.17 CLASS R: Actual ............... 1,000.00 1,139.30 9.00 1.67 Hypothetical(a) ...... 1,000.00 1,016.79 8.49 1.67 ALGER BALANCED INSTITUTIONAL FUND CLASS I: Actual ............... $1,000.00 $1,078.30 $6.55 1.25% Hypothetical(a) ...... 1,000.00 1,018.90 6.36 1.25 CLASS R: Actual ............... 1,000.00 1,074.80 9.15 1.75 Hypothetical(a) ...... 1,000.00 1,016.38 8.89 1.75 ALGER SOCIALLY RESPONSIBLE GROWTH INSTITUTIONAL FUND CLASS I: Actual ............... $1,000.00 $1,149.00 $6.77 1.25% Hypothetical(a) ...... 1,000.00 1,018.90 6.36 1.25 CLASS R: Actual ............... 1,000.00 1,146.90 9.47 1.75 Hypothetical(a) ...... 1,000.00 1,016.38 8.89 1.75 - --------------------- (a) 5% annual return before expenses. (b) Expenses are equal to the annualized expense ratio of the respective share class, multiplied by the average account value over the period, multiplied by 184/365 (to reflect the one-half year period). (c) Annualized. -67- TAX INFORMATION (UNAUDITED) In accordance with subchapter M of the Internal Revenue Code of 1986, as amended, for the year ended October 31, 2005, 18.44% of the Balanced Fund's ordinary dividends qualified for the dividends received deduction for corporations. For the year ended October 31, 2005, certain dividends paid by the Funds may be subject to a maximum rate of 15%, as provided by the Jobs and Growth Tax Relief Reconciliation Act of 2003. Of the distributions paid during the fiscal year, $18,724 represents the maximum amount that may be considered qualified dividend income of the Balanced Institutional Fund. Shareholders should not use the above information to prepare their tax returns. Since the Trust's fiscal year is not the calendar year, another notification will be sent with respect to calendar year 2005. Such notification, which will reflect the amount to be used by taxpayers on their federal income tax returns, will be made in conjunction with Form 1099 DIV and will be mailed in January 2006. Shareholders are advised to consult their own tax advisers with respect to the tax consequences of their investment in the Trust. -68- TRUSTEES AND OFFICERS OF THE FUNDS (UNAUDITED) Information about the Trustees and officers of the Funds is set forth below. In the table the term "Alger Fund Complex" refers to the Fund, The Alger Funds, The Alger American Fund, Spectra Fund, The China-U.S. Growth Fund and Castle Convertible Fund, Inc., each of which is a registered investment company managed by Fred Alger Management, Inc. ("Alger Management"). Each Trustee serves until an event of termination, such as death or resignation, or until his successor is duly elected; each officer's term of office is one year. Unless otherwise noted, the address of each person named below is 111 Fifth Avenue, New York, NY 10003. NUMBER OF PORTFOLIOS IN THE ALGER FUND TRUSTEE COMPLEX AND/OR WHICH ARE NAME, AGE, POSITION WITH OFFICER OVERSEEN THE FUND AND ADDRESS PRINCIPAL OCCUPATIONS SINCE BY TRUSTEE - ------------------------------------------------------------------------------------------------------------- INTERESTED TRUSTEES Fred M. Alger III (70) Chairman of the Board of Alger Associates, Inc. 1993 22 Chairman of the Board ("Associates"), Fred Alger & Company, Incorporated ("Alger Inc."), Alger Management, Alger Properties, Inc. ("Properties"), Alger Shareholder Services, Inc. ("Services"), Alger Life Insurance Agency, Inc. ("Agency"), Fred Alger International Advisory S.A. ("International"), and five of the six funds in the Alger Fund Complex; Chairman of the Boards of Alger SICAV ("SICAV") and Analysts Resources, Inc. ("ARI"). Dan C. Chung (43) President, Director and Chief Investment Officer 2001 16 President and of Alger Management; President and Director of Trustee Associates, Alger Inc., Properties, Services, Agency, International, ARI and Trust; Trustee/Director of four of the six funds in the Alger Fund Complex. Hilary M. Alger (44) Trustee/Director of five of the six funds in the 2003 17 Trustee Alger Fund Complex; Director of Development, Pennsylvania Ballet; formerly Associate Director of Development, College of Arts and Sciences, University of Virginia, formerly Director of Development and Communications, Lenox Hill Neighborhood House. NON-INTERESTED TRUSTEES Stephen E. O'Neil (73) Attorney; Private investor since 1981; Director of 1993 23 Trustee Brown-Forman Corporation; Trustee/Director of the six funds in the Alger Fund Complex; formerly of Counsel to the law firm of Kohler & Barnes. -69- TRUSTEES AND OFFICERS OF THE FUNDS (UNAUDITED) (CONTINUED) NUMBER OF PORTFOLIOS IN THE ALGER FUND TRUSTEE COMPLEX AND/OR WHICH ARE NAME, AGE, POSITION WITH OFFICER OVERSEEN THE FUND AND ADDRESS PRINCIPAL OCCUPATIONS SINCE BY TRUSTEE - ------------------------------------------------------------------------------------------------------------- Charles F. Baird, Jr. (52) Managing Partner of North Castle Partners, a private 2000 16 Trustee equity securities group; Chairman of Equinox, Leiner Health Products, Elizabeth Arden Day Spas, Grand Expeditions and EAS; Trustee/Director of four of the six funds in the Alger Fund Complex. Formerly Managing Director of AEAInvestors, Inc. Roger P. Cheever (60) Associate Dean of Development, Harvard University; 2000 16 Trustee Trustee/Director of four of the six funds in the Alger Fund Complex. Formerly Deputy Director of the Harvard College Fund. Lester L. Colbert, Jr. (71) Private investor; Trustee/Director of five of the six 2000 17 Trustee funds in the Alger Fund Complex. Formerly Chairman of the Board and Chief Executive Officer of Xidex Corporation. Nathan E. Saint-Amand, Medical doctor in private practice; Co-Partner Fishers 1993 23 M.D. (67) Island Partners; Member of the Board of the Manhattan Trustee Institute; Trustee/Director of the six funds in the Alger Fund Complex. Formerly Co-Chairman Special Projects Committee of Memorial Sloan Kettering. OFFICERS Frederick A. Blum (51) Executive Vice President and Treasurer of Alger Inc., 1996 N/A Treasurer Alger Management, Properties, Associates, ARI, Services and Agency since September 2003 and Senior Vice President prior thereto; Treasurer of each of the other five investment companies in the Alger Fund Complex since the later of 1996 or its inception. Director of SICAV and International and Chairman of the Board (and prior thereto, Senior Vice President) and Treasurer of Alger National Trust Company since 2003. Hal Liebes (41) Executive Vice President, Chief Legal Officer and 2005 N/A Secretary and Chief Secretary of Alger Inc. and Alger Management, Compliance Officer Secretary of the other five investment companies in the Alger Fund Complex-2005. Formerly Global Chief Compliance Officer 2004, AMVESCAP PLC.; and Global General Counsel 2002-2004 and, U.S. General Counsel 1994-2002 Credit Suisse Asset Management. -70- TRUSTEES AND OFFICERS OF THE FUNDS (UNAUDITED) (CONTINUED) NUMBER OF PORTFOLIOS IN THE ALGER FUND TRUSTEE COMPLEX AND/OR WHICH ARE NAME, AGE, POSITION WITH OFFICER OVERSEEN THE FUND AND ADDRESS PRINCIPAL OCCUPATIONS SINCE BY TRUSTEE - ------------------------------------------------------------------------------------------------------------- Michael D. Martins (39) Senior Vice President of Alger Management; 2005 N/A Assistant Treasurer Assistant Treasurer and Assistant Secretary of and Assistant the other five investment companies in the Secretary Alger Fund Complex-2005. Formerly Vice President, Brown Brothers Harriman & Co. 1997-2004. Messrs. Alger and Chung are "interested persons"(as defined in the Investment Company Act) of the Fund because of their affiliations with Alger Management. Mr. Chung is Mr. Alger's son-in-law. Ms. Alger is a daughter of Fred M. Alger III. Ms. Alger is an "interested person" because she is an immediate family member of Mr. Alger. No Trustee is a director of any public company except as may be indicated under "Principal Occupations." The Statement of Additional Information contains additional information about the Funds' Trustees and is available without charge upon request by calling (800) 992-3863. -71- INVESTMENT MANAGEMENT AGREEMENT RENEWAL At an in-person meeting held on September 7, 2005, the Trustees of the Trust considered renewal of the Investment Management Agreements (the "Agreements") between the Trust in respect of each of its portfolios (each a "Fund") and Fred Alger Management, Inc. (the "Adviser"). The Trustees who are not "interested persons" of the Trust (the "Independent Trustees") within the meaning of the Investment Company Act of 1940 (the "1940 Act") also met separately with their counsel to consider the Agreements. In evaluating the Agreements, the Trustees drew on materials that they requested and which were provided to them in advance of the meeting by the Adviser and by counsel to the Trust. The materials covered, among other matters, (i) the nature, extent and quality of the services provided by the Adviser under the Agreements, (ii) the investment performance of each of the Funds, (iii) the costs to the Adviser of its services and the profits realized by the Adviser and its affiliates Fred Alger & Company, Incorporated and Alger Shareholder Services, Inc. from their relationship with each of the Funds, and (iv) the extent to which economies of scale would be realized if and as each Fund grows and whether the fee levels in the respective Agreements reflect these economies of scale. These materials included an analysis of the Funds and the Adviser's services by Callan Associates Inc. ("Callan"), an independent consulting firm whose specialties include assistance to fund trustees and directors in their review of advisory contracts pursuant to Section 15(c) of the 1940 Act. At the meeting, senior Callan personnel provided a presentation to the Trustees based on the Callan materials. In deciding whether to renew the Agreement, the Trustees considered various factors, including those enumerated above. They also considered other direct and indirect benefits to the Adviser and its affiliates from their relationship with the Trust. NATURE, EXTENT AND QUALITY OF SERVICES In considering the nature, extent and quality of the services provided by the Adviser, the Trustees relied on their prior experience as Trustees of the Trust, their familiarity with the personnel and resources of Alger Management and its affiliates, and the materials provided at the meeting. They noted that under each of the Agreements the Adviser is responsible for managing the investment operations of the respective Fund and for providing a full range of administrative, compliance, reporting and accounting services necessary for the conduct of the Fund's affairs. The Trustees reviewed the background and experience of the Adviser's senior investment management personnel, including those individuals responsible for the investment operations of each Fund. They also considered the resources, operational structures and practices of the Adviser in managing the Funds' portfolios and administering the Funds' affairs, as well as the Adviser's overall investment management business. -72- The Trustees concluded that the Adviser's experience, resources and strength in those areas of importance to the Funds are considerable. They noted especially the Adviser's history of expertise in managing portfolios of "growth" stocks like those of the Funds. They also took notice of the Balanced Fund's ability to manage fixed-income instruments across the credit and credit quality spectra. The Trustees also con sidered the level and depth of the Adviser's ability to execute portfolio transactions to effect investment decisions. They also noted the history of extremely favorable reviews of the Adviser's shareholder-relations representatives by an independent rating concern. Finally, the Trustees took notice of the enhancements to the control and compliance environment at the Adviser and within the Trust. On the basis of their review, the Trustees determined that the nature and extent of the services provided to each of the Funds by the Adviser (including, in each case, the Fund's performance, as discussed below) were of high quality and could be expected to remain so. INVESTMENT PERFORMANCE OF THE FUNDS Drawing upon information provided at the meeting by the Adviser as well as Callan and upon reports provided to the Trustees by the Adviser throughout the preceding year, the Trustees noted that the performance of each of the Funds thus far in 2005 had been more than satisfactory. For the year to date at August 31, 2005, each Fund had beaten its benchmark index (in some cases by a significant margin) and the data available indicated that each had placed well above the median of its Lipper peer group. For some Funds, this marked a substantial improvement over 2004; for others, it was a continuation of a longer period of above-average performance. The Trustees acknowledged that the Adviser's recent efforts to improve the Funds' performance and, more generally, the firm's rebuilding of the investment team in response to the devastating events of September 11, 2001, were bearing fruit. Accordingly, they concluded that the performance of each of the Funds strongly supported renewal of the Fund's Agreement. PROFITABILITY TO THE ADVISER AND ITS AFFILIATES The Trustees considered the profitability of the advisory arrangement with each Fund to the Adviser and the Adviser's affiliates and the methodology used by the Adviser in determining such profitability. The Trustees had been provided with data on each Fund's profitability to the Adviser and to the Adviser's affiliates for the Fund's most recent fiscal year. In addition, the Trustees reviewed each Fund's management fees and expense ratios and compared them with a group of comparable funds. In order to assist the Trustees in this comparison, Callan provided the Trustees with comparative information with respect to fees paid, and expense ratios incurred, by similar funds. That information indicated that, while two Funds' advisory fees were below the median for the Callan peer group, the other Funds' fees were above it, and that while the Funds' expense ratios for one class of shares were near or only somewhat -73- above the median, the ratios for the other class were substantially above the median. The Trustees determined that the information about the advisory fees should be taken into account in weighing the size of the fee against the nature, extent and quality of the services provided, and that further inquiry would be appropriate as to the expense ratios. After discussing with representatives of the Adviser and Callan the methodologies used in computing the costs that formed the bases of the profitability calculations, the Trustees turned to the profitability data provided. After analysis and discussion they concluded that, in the case of each Fund, the Adviser's profitability was undeniably modest while the Adviser's affiliates lost money. ECONOMIES OF SCALE On the basis of their discussions with management and their analysis of information provided at the meeting, the Trustees determined that the nature of the Funds and their operations is such that the Adviser is likely to realize economies of scale in the management of each Fund at some point as it grows in size, but that in view of the current levels of profitability of each of the Funds to the Adviser and its affiliates, such economies had either not yet emerged or were subsumed in the level of the management fees, and that adoption of breakpoints in one or more advisory fees, while possibly appropriate at a later date, could await further analysis of the sources and potential scale of the economies and the fee structure that would best reflect them. Accordingly, the Trustees requested that the Adviser address this topic with the Trustees at future meetings. OTHER BENEFITS TO THE ADVISER The Trustees considered whether the Adviser benefits in other ways from its relationship with the Funds. In that connection, they noted that the Adviser maintains soft-dollar arrangements in connection with the Funds' brokerage transactions, data on which is regularly supplied to the Trustees at their quarterly meetings. The Trustees also noted that the Trust's Distributor, Fred Alger & Company, Incorporated, provides a substantial portion of the Funds' equity brokerage and receives shareholder servicing fees from the Funds as well, and that Alger Shareholder Services, Inc. receives fees from the Funds under a shareholder services agreement. The Trustees had been provided with information regarding, and had considered, the brokerage and shareholder servicing fee benefits in connection with their review of the profitability to the Adviser and its affiliates of their relationships with the Funds. As to the benefits received from the soft-dollar arrangements, the Trustees decided that, in light of the nature and scale of the arrangements, they were not so significant as to render the Adviser's fees excessive. CONCLUSION After weighing the foregoing factors, the Trustees, including the Independent Trustees, approved the renewal of each of the Investment Management -74- Agreements. They reasoned that, considered in themselves, the services provided by the Adviser were appropriate for the needs of each Fund and of high quality, that the recent performance of each Fund had been more than satisfactory, and that the Adviser could reasonably be expected to provide services of comparable quality in the future. The Trustees determined that the advisory fees, while higher in most cases than those charged by a majority of similar funds, were not so high even in those cases as to be unreasonable when considered in relation to the nature, extent and high quality of the services currently provided, including the Funds' recent performance, that in each case the profitability, if any, of the Fund's relationship with the Adviser and its affiliates was not so great as to render the fee excessive, that any additional benefits to the Adviser and/or its affiliates other than those already considered in the profitability analysis were not of a magnitude materially to affect the Trustees' deliberations, and that the issue of shar ing economies of scale with the Funds, while inviting future consideration, was not of major current importance. -75- PROXY VOTING POLICIES A description of the policies and procedures the Trust uses to determine how to vote proxies relating to portfolio securities and the proxy voting record is available, without charge, by calling (800) 992-3362 or online on the Funds' website at http://www.alger.com or on the SEC's website at http://www.sec.gov. QUARTERLY FUND HOLDINGS The Funds file their complete schedule of portfolio holdings with the SEC for the first and third quarter of each fiscal year on Form N-Q. Forms N-Q are available online on the Funds' website at http://www.alger.com or on the SEC's website at http://www.sec.gov. The Funds' Forms N-Q may be reviewed and copied at the SEC's Public Reference Room in Washington, D.C. Information regarding the operation of the SEC's Public Reference Room may be obtained by calling 1-800-SEC-0330. A copy of the most recent quarterly holdings may also be obtained from the Funds by calling (800) 992-3362. NOTES: THE ALGER INSTITUTIONAL FUNDS 111 Fifth Avenue New York, NY 10003 (800) 992-3362 www.alger.com INVESTMENT MANAGER Fred Alger Management, Inc. 111 Fifth Avenue New York, NY 10003 TRANSFER AGENT AND DIVIDEND DISBURSING AGENT Boston Financial Data Services, Inc. P.O. Box 8480 Boston, MA 02266 This report is submitted for the general information of the shareholders of The Alger Institutional Funds. It is not authorized for distribution to prospective investors unless accompanied by an effective Prospectus for the Trust, which contains information concerning the Trust's investment policies, fees and expenses as well as other pertinent information. [ALGER LOGO] SAIF 103105 [ALGER LOGO] The Alger Institutional Funds Boston Financial Data Services, Inc. P.O. Box 8480 Boston, MA 02266 SAIF 103105 ITEM 2. CODE OF ETHICS. (a) The Registrant has adopted a code of ethics (the "Code of Ethics") that applies to its principal executive officer, principal financial officer, principal accounting officer or controller, or persons performing similar functions. (b) Not applicable. (c) The amendments to the Code of Ethics are: The 60-day holding period for selling securities at gains now applies to Access persons, before it applied only to Advisory persons; Prohibition on IPO's now applies to Access persons, before it applied only to Advisory persons; Approval from Legal/Compliance is now necessary for investments in Private Placements by Access persons, before, such approval was only required of Advisory persons. (d) The Registrant has not granted a waiver or an implicit waiver from a provision of its Code of Ethics during the period covered by the shareholder report presented in Item 1 hereto. (e) Not applicable. (f) The Registrant's Code of Ethics is attached as an Exhibit hereto. ITEM 3. AUDIT COMMITTEE FINANCIAL EXPERT. The Board of Trustees of the Registrant determined that Stephen E. O'Neil is an audit committee financial expert (within the meaning of that phrase specified in the instructions to Form N-CSR) on the Registrant's audit committee. Mr. O'Neil is an "independent" trustee - i.e., he is not an interested person of the Registrant as defined in the Investment Company Act of 1940, nor has he accepted directly or indirectly any consulting, advisory or other compensatory fee from the Registrant, other than in his capacity as Trustee. ITEM 4. PRINCIPAL ACCOUNTANT FEES AND SERVICES. a) Audit Fees: October 31, 2005 $117,600 October 31, 2004 $35,350 b) Audit-Related Fees: NONE c) Tax Fees for tax advice, tax compliance and tax planning: October 31, 2005 $24,570 October 31, 2004 $25,300 d) All Other Fees: October 31, 2005 $10,225 October 31, 2004 $13,500 Other fees include a review and consent for Registrants registration statement filing and a review of the semi-annual financial statements. e) 1) Audit Committee Pre-Approval Policies And Procedures: Audit and non-audit services provided by the Registrant's independent registered public accounting firm (the "Auditors") on behalf the Registrant must be pre-approved by the Audit Committee. Non-audit services provided by the Auditors on behalf of the Registrant's Investment Adviser or any entity controlling, controlled by, or under common control with the Investment Adviser must be pre-approved by the Audit Committee if such non-audit services directly relate to the operations or financial reporting of the Registrant. 2) All fees in item 4(b) through 4(d) above were approved by the Registrants' Audit Committee. f) Not Applicable g) Non-Audit Fees: October 31, 2005 $186,831 and 56,050 Euros October 31, 2004 $157,449 and 82,300 Euros h) The audit committee of the board of trustees has considered whether the provision of the non-audit services that were rendered to the registrant's investment adviser and any entity controlling, controlled by, or under common control, with the adviser that provides ongoing services to the registrant that were not approved pursuant to (c)(7)(ii) of Rule 2-01 of Regulation S-X is compatible with maintaining the principle accountant's independence. ITEM 5. AUDIT COMMITTEE OF LISTED REGISTRANTS. Not applicable ITEM 6. SCHEDULE OF INVESTMENTS Not applicable ITEM 7. DISCLOSURE OF PROXY VOTING POLICIES AND PROCEDURES FOR CLOSED END MANAGEMENT INVESTMENT COMPANIES. Not applicable ITEM 8. PORTFOLIO MANAGERS OF CLOSED-END MANAGEMENT INVESTMENT COMPANIES. Not applicable ITEM 9. PURCHASES OF EQUITY SECURITIES BY CLOSED-END MANAGEMENT INVESTMENT COMPANY AND AFFILIATED PURCHASERS. Not applicable ITEM 10. SUBMISSION OF MATTERS TO A VOTE OF SECURITY HOLDERS. None ITEM 11. CONTROLS AND PROCEDURES. (a) The Registrant's principal executive officer and principal financial officer have concluded that the Registrant's disclosure controls and procedures (as defined in Rule 30a-3(c) under the Investment Company Act of 1940, as amended) are effective based on their evaluation of the disclosure controls and procedures as of a date within 90 days of the filing date of this document. (b) No changes in the Registrant's internal control over financial reporting occurred during the Registrant's second fiscal half-year that materially affected, or are reasonably likely to materially affect, the Registrant's internal control over financial reporting. ITEM 12. EXHIBITS. (a) (1) Code of Ethics as Exhibit 99.CODE ETH (a) (2) Certifications of principal executive officer and principal financial officer as required by rule 30a-2(a) under the Investment Company Act of 1940 are attached as Exhibit 99.CERT (b) Certifications of principal executive officer and principal financial officer as required by rule 30a-2(b) under the Investment Company Act of 1940 are attached as Exhibit 99.906CERT SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. The Alger Institutional Funds By: /s/Dan C. Chung Dan C. Chung President Date: January 6, 2006 Pursuant to the requirements of the Securities Exchange Act of 1934 and the Investment Company Act of 1940, this report has been signed below by the following persons on behalf of the registrant and in the capacities and on the dates indicated. By: /s/Dan C. Chung Dan C. Chung President Date: January 6, 2006 By: /s/Frederick A. Blum Frederick A. Blum Treasurer Date: January 6, 2006