| | Shares | | | | Value |
| | | | UNAFFILIATED ISSUERS - 98.4% | | |
| | | | COMMON STOCKS - 97.8% of Net Assets |
| | | | Aerospace & Defense - 0.5% | |
| | 53,730 | | Raytheon Co. | $7,046,689 |
| | | | Total Aerospace & Defense | | $7,046,689 |
| | | | Auto Components - 0.9% | |
| | 63,122 | | Aptiv Plc | $3,108,127 |
| | 387,712 | | BorgWarner, Inc. | 9,448,541 |
| | | | Total Auto Components | | $12,556,668 |
| | | | Banks - 4.4% | |
| | 2,788,970 | | Bank of America Corp. | $59,209,833 |
| | | | Total Banks | | $59,209,833 |
| | | | Beverages - 1.3% | |
| | 151,846 | | PepsiCo., Inc. | $18,236,705 |
| | | | Total Beverages | | $18,236,705 |
| | | | Biotechnology - 2.1% | |
| | 281,839 | | AbbVie, Inc. | $21,473,313 |
| | 23,318(a) | | Biogen, Inc. | 7,377,349 |
| | | | Total Biotechnology | | $28,850,662 |
| | | | Capital Markets - 2.4% | |
| | 645,394 | | Charles Schwab Corp. | $21,698,146 |
| | 43,499 | | S&P Global, Inc. | 10,659,430 |
| | | | Total Capital Markets | | $32,357,576 |
| | | | Communications Equipment - 3.5% | |
| | 89,890(a) | | Arista Networks, Inc. | $18,207,219 |
| | 218,844 | | Motorola Solutions, Inc. | 29,088,744 |
| | | | Total Communications Equipment | | $47,295,963 |
| | | | Consumer Finance - 1.2% | |
| | 189,150 | | American Express Co. | $16,193,132 |
| | | | Total Consumer Finance | | $16,193,132 |
| | | | Diversified Financial Services - 4.9% | |
| | 362,537(a) | | Berkshire Hathaway, Inc., Class B | $66,282,640 |
| | | | Total Diversified Financial Services | | $66,282,640 |
| | | | Diversified Telecommunication Services - 4.6% | |
| | 638,171 | | CenturyLink, Inc. | $6,037,098 |
| | 1,054,250 | | Verizon Communications, Inc. | 56,644,852 |
| | | | Total Diversified Telecommunication Services | | $62,681,950 |
| | | | Electric Utilities - 1.7% | |
| | 95,835 | | NextEra Energy, Inc. | $23,059,818 |
| | | | Total Electric Utilities | | $23,059,818 |
| | | | Electrical Equipment - 1.1% | |
| | 97,813 | | Rockwell Automation, Inc. | $14,760,960 |
| | | | Total Electrical Equipment | | $14,760,960 |
| | | | Electronic Equipment, Instruments & Components - 2.1% | |
| | 186,409 | | Amphenol Corp. | $13,585,488 |
| | 164,239 | | CDW Corp. | 15,318,572 |
| | | | Total Electronic Equipment, Instruments & Components | | $28,904,060 |
| | | | Equity Real Estate Investment Trusts (REITs) - 2.0% | |
| | 121,030 | | Essex Property Trust, Inc. | $26,655,647 |
| | | | Total Equity Real Estate Investment Trusts (REITs) | | $26,655,647 |
| | | | Health Care Equipment & Supplies - 7.7% | |
| | 43,621(a) | | ABIOMED, Inc. | $6,332,024 |
| | 87,209(a) | | Align Technology, Inc. | 15,170,006 |
| | 9,077 | | Cooper Cos., Inc. | 2,502,257 |
| | 215,840(a) | | Hologic, Inc. | 7,575,984 |
| | 623,194 | | Medtronic Plc | 56,199,635 |
| | 174,230 | | Zimmer Biomet Holdings, Inc. | 17,611,168 |
| | | | Total Health Care Equipment & Supplies | | $105,391,074 |
| | | | Health Care Providers & Services - 1.3% | |
| | 77,516 | | Anthem, Inc. | $17,599,233 |
| | | | Total Health Care Providers & Services | | $17,599,233 |
| | | | Insurance - 4.1% | |
| | 750,838 | | Progressive Corp. | $55,441,878 |
| | | | Total Insurance | | $55,441,878 |
| | | | Interactive Media & Services - 8.7% | |
| | 67,897(a) | | Alphabet, Inc. | $78,892,919 |
| | 235,333(a) | | Facebook, Inc. | 39,253,544 |
| | | | Total Interactive Media & Services | | $118,146,463 |
| | | | Internet & Direct Marketing Retail - 6.3% | |
| | 37,614(a) | | Amazon.com, Inc. | $73,336,768 |
| | 9,478(a) | | Booking Holdings, Inc. | 12,750,943 |
| | | | Total Internet & Direct Marketing Retail | | $86,087,711 |
| | | | IT Services - 5.2% | |
| | 120,791 | | Accenture Plc | $19,720,339 |
| | 392,348 | | Cognizant Technology Solutions Corp. | 18,232,412 |
| | 201,052 | | Visa, Inc. | 32,393,498 |
| | | | Total IT Services | | $70,346,249 |
| | Shares | | | | Value |
| | | | Machinery - 4.4% | |
| | 226,515 | | Caterpillar, Inc. | $26,284,801 |
| | 111,035 | | Illinois Tool Works, Inc. | 15,780,294 |
| | 177,098 | | Stanley Black & Decker, Inc. | 17,709,800 |
| | | | Total Machinery | | $59,774,895 |
| | | | Media - 2.1% | |
| | 842,406 | | Comcast Corp. | $28,961,918 |
| | | | Total Media | | $28,961,918 |
| | | | Oil, Gas & Consumable Fuels - 1.6% | |
| | 371,760 | | EOG Resources, Inc. | $13,353,619 |
| | 232,969 | | Hess Corp. | 7,757,868 |
| | | | Total Oil, Gas & Consumable Fuels | | $21,111,487 |
| | | | Pharmaceuticals - 4.3% | |
| | 284,492(a) | | Elanco Animal Health, Inc. | $6,369,776 |
| | 128,673 | | Eli Lilly & Co. | 17,849,518 |
| | 442,234 | | Merck & Co., Inc. | 34,025,484 |
| | | | Total Pharmaceuticals | | $58,244,778 |
| | | | Road & Rail - 1.8% | |
| | 74,112 | | Kansas City Southern | $9,425,564 |
| | 105,528 | | Norfolk Southern Corp. | 15,407,088 |
| | | | Total Road & Rail | | $24,832,652 |
| | | | Semiconductors & Semiconductor Equipment - 1.0% | |
| | 319,895(a) | | Micron Technology, Inc. | $13,454,784 |
| | | | Total Semiconductors & Semiconductor Equipment | | $13,454,784 |
| | | | Software - 9.3% | |
| | 103,350(a) | | Adobe, Inc. | $32,890,104 |
| | 82,752(a) | | Guidewire Software, Inc. | 6,563,061 |
| | 356,515 | | Microsoft Corp. | 56,225,981 |
| | 167,724(a) | | salesforce.com, Inc. | 24,148,901 |
| | 104,365(a) | | Zendesk, Inc. | 6,680,404 |
| | | | Total Software | | $126,508,451 |
| | | | Specialty Retail - 3.1% | |
| | 142,609 | | Home Depot, Inc. | $26,626,526 |
| | 92,414 | | Tractor Supply Co. | 7,813,604 |
| | 38,463(a) | | Ulta Beauty, Inc. | 6,757,949 |
| | | | Total Specialty Retail | | $41,198,079 |
| | | | Technology Hardware, Storage & Peripherals - 2.2% | |
| | 70,355 | | Apple, Inc. | $17,890,573 |
| | 288,181 | | NetApp, Inc. | 12,014,266 |
| | | | Total Technology Hardware, Storage & Peripherals | | $29,904,839 |
| | | | Textiles, Apparel & Luxury Goods - 1.0% | |
| | 254,727 | | VF Corp. | $13,775,636 |
| | | | Total Textiles, Apparel & Luxury Goods | | $13,775,636 |
| | | | Trading Companies & Distributors - 1.0% | |
| | 124,613(a) | | United Rentals, Inc. | $12,822,678 |
| | | | Total Trading Companies & Distributors | | $12,822,678 |
| | | | TOTAL COMMON STOCKS | |
| | | | (Cost $1,379,927,521) | $1,327,695,108 |
Various inputs are used in determining the value of the Fund's investments. These inputs are summarized in the three broad levels below. |
| |
| Level 1 - quoted prices in active markets for identical securities. |
| Level 2 - other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). |
| Level 3 - significant unobservable inputs (including the Fund's own assumptions in determining fair value of investments). |
| |
The following is a summary of the inputs used as of March 31, 2020, in valuing the Fund's investments: |
For the three months ended March 31, 2020, there were no transfers between Levels 1, 2 and 3.
