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 811-07326
                                                    ------------

                          Gabelli Investor Funds, Inc.
             -----------------------------------------------------
               (Exact name of registrant as specified in charter)

                              One Corporate Center
                            Rye, New York 10580-1422
             -----------------------------------------------------
               (Address of principal executive offices) (Zip code)

                                 Bruce N. Alpert
                               Gabelli Funds, LLC
                              One Corporate Center
                            Rye, New York 10580-1422
             -----------------------------------------------------
                     (Name and address of agent for service)


       registrant's telephone number, including area code: 1-800-422-3554
                                                          ---------------

                      Date of fiscal year end: December 31
                                              --------------

                   Date of reporting period: December 31, 2006
                                            -------------------


Form N-CSR is to be used by management investment companies to file reports with
the Commission not later than 10 days after the  transmission to stockholders of
any report that is required to be transmitted to  stockholders  under Rule 30e-1
under the Investment Company Act of 1940 (17 CFR 270.30e-1).  The Commission may
use the information provided on Form N-CSR in its regulatory, disclosure review,
inspection, and policymaking roles.

A registrant  is required to disclose the  information  specified by Form N-CSR,
and the  Commission  will make this  information  public.  A  registrant  is not
required to respond to the  collection  of  information  contained in Form N-CSR
unless the Form  displays a  currently  valid  Office of  Management  and Budget
("OMB")  control number.  Please direct comments  concerning the accuracy of the
information  collection  burden  estimate and any  suggestions  for reducing the
burden to  Secretary,  Securities  and Exchange  Commission,  100 F Street,  NE,
Washington,  DC 20549. The OMB has reviewed this collection of information under
the clearance requirements of 44 U.S.C. ss. 3507.


ITEM 1. REPORTS TO STOCKHOLDERS.

The Report to Shareholders is attached herewith.


                              THE GABELLI ABC FUND

                                  ANNUAL REPORT
                                DECEMBER 31, 2006



TO OUR SHAREHOLDERS,

      The Sarbanes-Oxley Act requires a Fund's principal executive and financial
officers  to  certify  the  entire   contents  of  the  semi-annual  and  annual
shareholder  reports in a filing with the Securities and Exchange  Commission on
Form N-CSR. This certification  would cover the portfolio  manager's  commentary
and  subjective  opinions  if they are  attached  to or a part of the  financial
statements. Many of these comments and opinions would be difficult or impossible
to certify.

      Because we do not want our portfolio  managers to eliminate their opinions
and/or  restrict their  commentary to historical  facts, we have separated their
commentary from the financial  statements and investment portfolio and have sent
it to  you  separately.  Both  the  commentary  and  the  financial  statements,
including  the  schedule of  investments,  will be  available  on our website at
www.gabelli.com/funds.

      Enclosed are the audited financial statements and the investment portfolio
as of  December  31,  2006 with a  description  of  factors  that  affected  the
performance during the past year.

PERFORMANCE DISCUSSION (UNAUDITED)

      The Gabelli ABC Fund gained 11.97% during the full year 2006. We note that
2006 was the 14th  consecutive  calendar year during which the Fund had positive
performance.

      The Fund invests a portion of its assets in "event" driven situations such
as announced mergers, acquisitions,  and reorganizations.  When a company agrees
to be acquired by another  company,  its stock price often quickly rises to just
below the stated acquisition price. If the Adviser,  through extensive research,
determines  that the  acquisition is likely to be consummated on schedule at the
stated  acquisition  price,  then the Fund may  purchase  the selling  company's
securities,  offering the Fund the possibility of generous  returns  relative to
cash equivalents with a limited risk of capital.

      Among the deals that the Fund  participated  in during the year were ADESA
Inc.,  Albertson's Inc.,  American Power Conversion Corp.,  American  Retirement
Corp., Andrx Corp., Aramark Corp., Artesyn Technologies Inc., Associated British
Ports Holdings plc, Aviall Inc., Aztar Corp., Duratek Inc., Emmis Communications
Corp.,   Enodis  plc,   Harrah's   Entertainment   Inc.,  ICOS  Corp.,   Kerzner
International Ltd., KeySpan Corporation,  Laserscope, Macdermid Inc., Metrologic
Instruments  Inc.,  MRO Software Inc.,  Nextel  Partners,  PLIVA d.d.,  Reader's
Digest Association Inc., Serologicals Corp.,  Sportsman's Guide Inc., SSA Global
Technologies,  Inc., TD Banknorth Inc., Univision Communications Inc., Water Pik
Technologies, Inc., and Western Gas Resources Inc.

      Some of the best performers in 2006 from the long-term holdings in the ABC
Fund include Las Vegas Sands Corp., Endesa S.A.,  HeidelbergCement AG, Northeast
Utilities, and United States Cellular.

      Stock  positions  that the Fund had at the beginning of 2006 that declined
during the year were WHX Corp., Fairchild Corp., and Corning, Inc.

      The  Fund's  cash  and cash  equivalents  at the end of 2006  were  14.5%.
Interest earned from our short-term U.S.  Treasury Bill  investments  during the
year also helped returns.

                                                           Sincerely yours,

                                                           /s/ Bruce N. Alpert

                                                           Bruce N. Alpert
January 18, 2007


 COMPARISON OF CHANGE IN VALUE OF A $10,000 INVESTMENT IN THE GABELLI ABC FUND,
      THE LIPPER U.S. TREASURY MONEY MARKET AVERAGE, AND THE S&P 500 INDEX

                               [GRAPHIC OMITTED]
                              Plot points follow:

                                          Lipper U.S. Treasury
                     Gabelli ABC Fund      Money Market Average    S&P 500 Index
5/14/93                  $10,000                $10,000               $10,000
12/31/93                  10,910                 10,163                10,809
12/31/94                  11,404                 10,530                10,951
12/31/95                  12,679                 11,091                15,060
12/31/96                  13,667                 11,618                18,517
12/31/97                  15,409                 12,138                24,692
12/31/98                  17,126                 12,705                31,754
12/31/99                  18,667                 13,247                38,432
12/31/00                  20,693                 13,980                34,935
12/31/01                  21,636                 14,450                30,781
12/31/02                  21,825                 14,599                23,981
12/31/03                  22,903                 14,660                30,857
12/31/04                  23,345                 14,747                34,211
12/31/05                  24,507                 15,089                35,891
12/31/06                  27,441                 15,714                41,554

PAST PERFORMANCE IS NOT PREDICTIVE OF FUTURE RESULTS. The performance tables and
graph do not reflect the deduction of taxes that a shareholder would pay on fund
distributions or the redemption of fund shares.


COMPARATIVE RESULTS


- ---------------------------------------------------------------------------------------------------------------------
              AVERAGE ANNUAL RETURNS THROUGH DECEMBER 31, 2006 (A)
                                                                                                             Since
                                                                                                           Inception
                                                       Quarter   1 Year     3 Year     5 Year    10 Year   (5/14/93)
- --------------------------------------------------------------------------------------------------------------------
                                                                                           
  GABELLI ABC FUND ................................... 2.88%     11.97%      6.21%     4.87%     7.22%       7.69%
  S&P 500 Index ...................................... 6.69      15.78      10.43      6.18      8.42       11.01
  Lipper U.S. Treasury Money Market Average .......... 1.11       4.14       2.33      1.71      3.14        3.45(b)

 (a) RETURNS  REPRESENT  PAST  PERFORMANCE AND DO NOT GUARANTEE  FUTURE RESULTS.
     TOTAL RETURNS AND AVERAGE ANNUAL RETURNS REFLECT CHANGES IN SHARE PRICE AND
     REINVESTMENT OF DISTRIBUTIONS AND ARE NET OF EXPENSES.  INVESTMENT  RETURNS
     AND THE PRINCIPAL VALUE OF AN INVESTMENT  WILL  FLUCTUATE.  WHEN SHARES ARE
     REDEEMED,  THEY  MAY BE  WORTH  MORE  OR LESS  THAN  THEIR  ORIGINAL  COST.
     PERFORMANCE  RETURNS  FOR  PERIODS  LESS THAN ONE YEAR ARE NOT  ANNUALIZED.
     CURRENT  PERFORMANCE  MAY BE LOWER OR  HIGHER  THAN  THE  PERFORMANCE  DATA
     PRESENTED.  RETURNS  WOULD HAVE BEEN LOWER IF CERTAIN  EXPENSES OF THE FUND
     HAD NOT BEEN WAIVED OR REIMBURSED SINCE APRIL 2002.  VISIT  WWW.GABELLI.COM
     FOR  PERFORMANCE  INFORMATION  AS OF THE MOST RECENT  MONTH END.  INVESTORS
     SHOULD CAREFULLY CONSIDER THE INVESTMENT  OBJECTIVES,  RISKS,  CHARGES, AND
     EXPENSES  OF THE  FUND  BEFORE  INVESTING.  THE  PROSPECTUS  CONTAINS  MORE
     INFORMATION  ABOUT  THIS AND OTHER  MATTERS  AND  SHOULD BE READ  CAREFULLY
     BEFORE  INVESTING.  THE S&P 500 INDEX IS AN  UNMANAGED  INDICATOR  OF STOCK
     MARKET  PERFORMANCE,  WHILE THE LIPPER U.S.  TREASURY  MONEY MARKET AVERAGE
     REFLECTS  THE  AVERAGE  PERFORMANCE  OF  MUTUAL  FUNDS  CLASSIFIED  IN THIS
     PARTICULAR  CATEGORY.  DIVIDENDS  ARE  CONSIDERED  REINVESTED.  YOU CAN NOT
     INVEST DIRECTLY IN AN INDEX.
 (b) FROM APRIL 30, 1993,  THE  DATE CLOSEST TO THE FUND'S  INCEPTION  FOR WHICH
     DATA IS AVAILABLE.
- --------------------------------------------------------------------------------

                                       2


THE GABELLI ABC FUND
DISCLOSURE OF FUND EXPENSES (UNAUDITED)
For the Six Month Period from July 1, 2006 through December 31, 2006
                                                                   EXPENSE TABLE
================================================================================

We believe it is important for you to understand the impact of fees and expenses
regarding  your  investment.  All mutual  funds have  operating  expenses.  As a
shareholder  of a fund,  you  incur  ongoing  costs,  which  include  costs  for
portfolio  management,  administrative  services,  and shareholder reports (like
this one), among others.  Operating  expenses,  which are deducted from a fund's
gross income,  directly  reduce the investment  return of a fund.  When a fund's
expenses are expressed as a percentage of its average net assets, this figure is
known as the expense  ratio.  The  following  examples  are intended to help you
understand  the  ongoing  costs (in  dollars) of  investing  in your Fund and to
compare these costs with those of other mutual funds.  The examples are based on
an  investment  of $1,000 made at the beginning of the period shown and held for
the entire period.

The Expense Table below illustrates your Fund's costs in two ways:

ACTUAL FUND  RETURN:  This section  provides  information  about actual  account
values and actual expenses. You may use this section to help you to estimate the
actual  expenses that you paid over the period after any fee waivers and expense
reimbursements.  The "Ending  Account  Value"  shown is derived  from the Fund's
ACTUAL return during the past six months,  and the "Expenses Paid During Period"
shows the dollar  amount  that would have been paid by an  investor  who started
with $1,000 in the Fund. You may use this information,  together with the amount
you invested, to estimate the expenses that you paid over the period.

To do so, 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
given for your Fund under the heading  "Expenses Paid During Period" to estimate
the expenses you paid during this period.

HYPOTHETICAL 5% RETURN:  This section provides  information  about  hypothetical
account  values and  hypothetical  expenses  based on the Fund's actual  expense
ratio. It assumes a hypothetical  annualized return of 5% before expenses during
the period shown. In this case - because the hypothetical return used is NOT the
Fund's  actual  return - the  results  do not apply to your  investment  and you
cannot use the  hypothetical  account  value and expense to estimate  the actual
ending  account  balance or expenses  you paid for the period.  This  example is
useful in making  comparisons  of 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 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  transactional  costs such as sales
charges  (loads),  redemption  fees, or exchange  fees,  if any,  which would be
described in the Prospectus.  If these costs were applied to your account,  your
costs  would be  higher.  Therefore,  the 5%  hypothetical  return  is useful in
comparing ongoing costs only, and will not help you determine the relative total
costs of owning different funds. The "Annualized  Expense Ratio"  represents the
actual  expenses for the last six months and may be  different  from the expense
ratio in the Financial Highlights which is for the year ended December 31, 2006.

                              Beginning       Ending      Annualized   Expenses
                            Account Value  Account Value   Expense   Paid During
                              07/01/06       12/31/06       Ratio      Period*
- --------------------------------------------------------------------------------
THE GABELLI ABC FUND
- --------------------------------------------------------------------------------
ACTUAL FUND RETURN
Gabelli ABC Fund             $1,000.00      $1,047.40        0.59%      $3.04

HYPOTHETICAL 5% RETURN
Gabelli ABC Fund             $1,000.00      $1,022.23        0.59%      $3.01

* Expenses  are equal to the Fund's  annualized  expense  ratio for the last six
  months  multiplied by the average account value over the period, multiplied by
  the number of days in the most recent fiscal half-year, then divided by 365.

                                       3


SUMMARY OF PORTFOLIO HOLDINGS (UNAUDITED)

The following table presents portfolio holdings as a percent of total net assets
as of December 31, 2006:


THE GABELLI ABC FUND

U.S. Government Obligations .................... 14.5%
Energy and Utilities ........................... 13.2%
Health Care .................................... 10.4%
Publishing .....................................  6.8%
Electronics ....................................  6.4%
Real Estate Investment Trusts ..................  5.4%
Specialty Chemicals ............................  4.4%
Computer Software and Services .................  3.9%
Business Services ..............................  3.8%
Automotive .....................................  3.6%
Financial Services .............................  3.5%
Broadcasting ...................................  2.8%
Hotels and Gaming ..............................  2.8%
Real Estate ....................................  2.8%
Telecommunications .............................  2.5%
Equipment and Supplies .........................  2.5%
Automotive: Parts and Accessories ..............  2.1%
Metals and Mining ..............................  1.6%
Food and Beverage ..............................  1.5%
Consumer Products ..............................  1.1%
Agriculture ....................................  0.9%
Diversified Industrial .........................  0.9%
Other Assets and Liabilities (Net) .............  0.8%
Cable and Satellite ............................  0.6%
Wireless Communications ........................  0.4%
Retail .........................................  0.4%
Consumer Services ..............................  0.2%
Aviation: Parts and Services ...................  0.2%
Entertainment ..................................  0.0%
Communications Equipment .......................  0.0%
Transportation .................................  0.0%
Home Furnishings ...............................  0.0%
                                                ------
                                                100.0%
                                                ======

THE FUND FILES A COMPLETE SCHEDULE OF PORTFOLIO HOLDINGS WITH THE SECURITIES AND
EXCHANGE  COMMISSION (THE "SEC") FOR THE FIRST AND THIRD QUARTERS OF EACH FISCAL
YEAR ON FORM N-Q,  THE LAST OF WHICH WAS FILED FOR THE QUARTER  ENDED  SEPTEMBER
30, 2006.  SHAREHOLDERS  MAY OBTAIN THIS  INFORMATION AT  WWW.GABELLI.COM  OR BY
CALLING THE FUND AT 800-GABELLI (800-422-3554). THE FUND'S FORM N-Q IS AVAILABLE
ON THE SEC'S WEBSITE AT  WWW.SEC.GOV  AND MAY ALSO BE REVIEWED AND COPIED AT THE
SEC'S PUBLIC REFERENCE ROOM IN WASHINGTON,  DC.  INFORMATION ON THE OPERATION OF
THE PUBLIC REFERENCE ROOM MAY BE OBTAINED BY CALLING 1-800-SEC-0330.


PROXY VOTING

The Fund files Form N-PX with its complete proxy voting record for the 12 months
ended June 30th,  no later than August 31st of each year. A  description  of the
Fund's  proxy  voting  policies,  procedures,  and how the  Fund  voted  proxies
relating to portfolio  securities is available without charge,  upon request, by
(i) calling 800-GABELLI (800-422-3554); (ii) writing to The Gabelli Funds at One
Corporate  Center,  Rye, NY  10580-1422;  or (iii) visiting the SEC's website at
www.sec.gov.

                                       4


THE GABELLI ABC FUND
SCHEDULE OF INVESTMENTS -- DECEMBER 31, 2006
================================================================================

                                                            MARKET
    SHARES                                     COST          VALUE
    ------                                     ----         ------
              COMMON STOCKS -- 84.4%
              AGRICULTURE -- 0.9%
     35,000   Delta & Pine Land Co. .......$  1,411,628  $  1,415,750
                                           ------------  ------------
              AUTOMOTIVE -- 3.6%
    200,000   ADESA Inc. ..................   5,570,630     5,550,000
                                           ------------  ------------
              AUTOMOTIVE: PARTS AND ACCESSORIES -- 2.1%
      1,000   Bandag Inc. .................      50,500        50,430
     15,000   Bandag Inc., Cl. A ..........     747,981       749,400
     22,000   BERU AG .....................   1,924,615     2,384,265
     30,000   Dana Corp.+ .................      60,145        41,700
      5,000   Federal-Mogul Corp.+ ........      14,938         2,925
      1,000   Scania AB, Cl. A ............      63,291        71,648
                                           ------------  ------------
                                              2,861,470     3,300,368
                                           ------------  ------------
              AVIATION: PARTS AND SERVICES -- 0.2%
      7,000   Kaman Corp. .................     122,323       156,730
     50,000   The Fairchild Corp., Cl. A+ .     180,797       109,500
                                           ------------  ------------
                                                303,120       266,230
                                           ------------  ------------
              BROADCASTING -- 2.8%
     50,000   Clear Channel
                Communications Inc. .......   1,773,229     1,777,000
     10,000   Cogeco Inc. .................     194,810       250,911
     10,000   Crown Media Holdings Inc.,
                Cl. A+ ....................      91,356        36,300
      6,000   Emmis Communications Corp.,
                Cl. A .....................      78,950        49,440
        500   Liberty Media Corp. - Capital,
                Cl. A+ ....................      32,319        48,990
        500   Salem Communications Corp.,
                Cl. A .....................       3,895         5,975
     60,000   Univision Communications Inc.,
                Cl. A+ ....................   2,017,628     2,125,200
                                           ------------  ------------
                                              4,192,187     4,293,816
                                           ------------  ------------
              BUSINESS SERVICES -- 3.6%
      1,000   AMICAS Inc.+ ................       3,096         2,940
     50,000   Aramark Corp., Cl. B ........   1,659,362     1,672,500
    100,000   Digital Insight Corp.+ ......   3,831,010     3,849,000
      1,000   The Western Union Co. .......      13,282        22,420
      4,000   TNS Inc.+ ...................      80,876        77,000
                                           ------------  ------------
                                              5,587,626     5,623,860
                                           ------------  ------------
              CABLE AND SATELLITE -- 0.6%
     30,000   Cablevision Systems Corp.,
                Cl. A+ ....................     666,342       854,400
      2,000   Moscow CableCom Corp.+ ......      21,328        21,160
                                           ------------  ------------
                                                687,670       875,560
                                           ------------  ------------
              COMPUTER SOFTWARE AND SERVICES -- 3.9%
     30,000   @Road Inc.+ .................     217,190       219,000
      1,000   Digitas Inc.+ ...............      13,360        13,410
      5,000   John H. Harland Co. .........     250,816       251,000

                                                            MARKET
    SHARES                                     COST          VALUE
    ------                                     ----         ------
      1,500   Kanbay International Inc.+ ..$     42,685  $     43,155
     10,000   Netopia Inc.+ ...............      68,540        69,500
        500   NetRatings Inc.+ ............       8,400         8,755
     10,000   Open Solutions Inc.+ ........     373,467       376,400
      2,000   Per-Se Technologies Inc.+ ...      55,210        55,560
    200,000   Redback Networks Inc.+ ......   5,016,012     4,988,000
      1,000   Sierra Systems Group Inc. ...       8,049         7,889
  1,215,000   StorageNetworks Inc.
                Escrow+ (a) ...............           0        36,450
      2,000   Traffic.com Inc.+ ...........      14,990        15,960
                                           ------------  ------------
                                              6,068,719     6,085,079
                                           ------------  ------------
              CONSUMER PRODUCTS -- 1.1%
      1,000   Applica Inc.+ ...............       6,535         7,990
      1,000   Gallaher Group plc, ADR .....      81,040        89,950
    100,000   Jacuzzi Brands Inc.+ ........   1,229,155     1,243,000
     55,000   Levcor International Inc.+ ..     128,920        22,000
     50,000   Revlon Inc., Cl. A+ .........     103,811        64,000
      7,000   Yankee Candle Co. Inc. ......     236,880       239,960
                                           ------------  ------------
                                              1,786,341     1,666,900
                                           ------------  ------------
              CONSUMER SERVICES -- 0.2%
      2,000   IAC/InterActiveCorp+ ........      47,446        74,320
      2,500   Liberty Media Corp. -
                Interactive, Cl. A+ .......      44,632        53,925
      5,000   Sabre Holdings Corp., Cl. A .     160,108       159,450
                                           ------------  ------------
                                                252,186       287,695
                                           ------------  ------------
              DIVERSIFIED INDUSTRIAL -- 0.8%
      3,500   Ampco-Pittsburgh Corp. ......      52,294       117,180
     20,800   Bairnco Corp. ...............     246,616       265,200
      2,500   Hexagon AB, Cl. B ...........     220,139       106,815
      6,000   Katy Industries Inc.+ .......      25,438        16,080
      1,000   Oregon Steel Mills Inc.+ ....      62,451        62,410
      2,000   Rinker Group Ltd., ADR ......     143,554       142,100
        200   SIG Holding AG+ .............      55,826        66,804
     50,000   WHX Corp.+ ..................     609,961       422,500
                                           ------------  ------------
                                              1,416,279     1,199,089
                                           ------------  ------------
              ELECTRONICS -- 6.4%
     47,000   Alliance
                Semiconductor Corp.+ ......     187,691       205,860
     30,000   Excel Technology Inc.+ ......     894,672       767,700
     50,000   MoSys Inc.+ .................     191,265       462,500
      3,000   Portalplayer Inc.+ ..........      40,041        40,350
      1,140   Safran SA ...................      21,363        26,455
    500,000   Symbol Technologies Inc. ....   7,388,078     7,470,000
    185,000   Toshiba Ceramics Co. Ltd. ...     946,002       896,979
                                           ------------  ------------
                                              9,669,112     9,869,844
                                           ------------  ------------
              ENERGY AND UTILITIES -- 13.2%
      1,000   Anadarko Petroleum Corp. ....      46,660        43,520
     45,000   Cascade Natural Gas Corp. ...   1,151,616     1,166,400
     12,000   Duquesne Light Holdings Inc.      232,390       238,200

                 See accompanying notes to financial statements.

                                       5


THE GABELLI ABC FUND
SCHEDULE OF INVESTMENTS (CONTINUED) -- DECEMBER 31, 2006
================================================================================

                                                            MARKET
    SHARES                                     COST          VALUE
    ------                                     ----         ------
              COMMON STOCKS (CONTINUED)
              ENERGY AND UTILITIES (CONTINUED)
     18,000   Endesa SA ...................$    457,676  $    851,350
     30,000   Giant Industries Inc.+ ......   2,457,136     2,248,500
     13,000   Green Mountain Power Corp. ..     439,081       440,570
      1,000   Helix Energy Solutions
                Group Inc.+ ...............      39,930        31,370
     40,000   KeySpan Corp. ...............   1,624,575     1,647,200
     97,000   Kinder Morgan Inc. ..........  10,083,955    10,257,750
     10,000   Mirant Corp.+ ...............     165,181       315,700
      1,000   Niko Resources Ltd. .........      57,456        71,475
      6,000   Northeast Utilities .........      85,467       168,960
     30,000   NorthWestern Corp. ..........   1,043,550     1,061,400
     10,000   Oesterreichische
                Elektrizitaetswirtschafts
                AG, Cl. A .................     528,859       533,562
      3,500   Peoples Energy Corp. ........     138,690       155,995
        715   Petrohawk Energy Corp.+ .....       7,894         8,222
     25,000   Progress Energy Inc., CVO+ ..      13,000         8,125
     10,000   Queensland Gas Co. Ltd.+ ....      10,619        10,498
     16,000   Stone Energy Corp.+ .........     757,353       565,600
     44,000   Suez SA, Strips+ ............           0           581
      8,500   Techem AG ...................     514,479       622,731
                                           ------------  ------------
                                             19,855,567    20,447,709
                                           ------------  ------------
              ENTERTAINMENT -- 0.0%
      1,001   Chestnut Hill Ventures+ (a) .       3,749        21,495
      1,000   Discovery Holding Co., Cl. A+      12,527        16,090
                                           ------------  ------------
                                                 16,276        37,585
                                           ------------  ------------
              EQUIPMENT AND SUPPLIES -- 2.5%
     70,000   American Power
                Conversion Corp. ..........   2,119,820     2,141,300
     25,000   Baldwin Technology Co. Inc.,
                Cl. A+ ....................      59,500       125,000
    250,000   Enodis plc ..................     813,513       975,320
      4,500   HeidelbergCement AG .........     327,161       658,946
                                           ------------  ------------
                                              3,319,994     3,900,566
                                           ------------  ------------
              FINANCIAL SERVICES -- 3.5%
     10,000   Argonaut Group Inc.+ ........     192,655       348,600
      1,600   Clark Inc. ..................      26,564        26,608
     15,000   Fifth Third Bancorp .........     704,898       613,950
      1,000   First Data Corp. ............      15,593        25,520
      2,000   First Federal Bancshares Inc.      45,410        45,690
      5,000   Franklin Bank Corp.+ ........     101,207       102,700
      4,000   H&R Block Inc. ..............      89,704        92,160
      3,000   Leucadia National Corp. .....      30,175        84,600
      1,000   Mercantile Bankshares Corp. .      44,868        46,790
      1,000   Mid-State Bancshares ........      36,239        36,390
      5,018   NewAlliance Bancshares Inc. .      69,527        82,295
      2,000   Provident New York Bancorp ..      30,603        29,960
        500   Republic Bancorp Inc. .......       6,235         6,730
    120,000   TD Banknorth Inc. ...........   3,864,440     3,873,600
                                           ------------  ------------
                                              5,258,118     5,415,593
                                           ------------  ------------

                                                            MARKET
    SHARES                                     COST          VALUE
    ------                                     ----         ------
              FOOD AND BEVERAGE -- 1.5%
     50,000   Denny's Corp.+ ..............$    149,592  $    235,500
        500   Genesee Corp., Cl. A+ .......         750           830
     12,200   Genesee Corp., Cl. B+ .......       4,466        21,960
    142,100   Grupo Continental SA ........     218,331       302,536
     80,000   Myojo Foods Co. Ltd. ........     532,381       557,960
      4,000   OSI Restaurant Partners Inc.      159,060       156,800
      2,500   Pernod-Ricard SA ............     417,494       574,220
      1,000   Premium Standard
                Farms Inc. ................      19,085        18,570
      1,000   Quilmes Industrial SA, ADR ..      58,913        65,960
      5,000   Remy Cointreau SA ...........     318,742       323,411
      1,000   Sara Lee Corp. ..............      16,434        17,030
                                           ------------  ------------
                                              1,895,248     2,274,777
                                           ------------  ------------
              HEALTH CARE -- 10.4%
        234   Allergan Inc. ...............      27,203        28,019
     25,000   Biomet Inc. .................   1,014,985     1,031,750
     10,000   Caremark Rx Inc. ............     558,892       571,100
     10,000   Conor Medsystems Inc.+ ......     321,726       313,300
      8,600   I-Flow Corp.+ ...............     115,062       128,570
    260,000   ICOS Corp.+ .................   8,554,535     8,785,400
     50,000   IMS Health Inc. .............   1,333,387     1,374,000
      1,000   IntraLase Corp.+ ............      20,655        22,380
      2,000   Lifecore Biomedical Inc.+ ...      27,760        35,660
      2,000   Serono SA ...................   1,804,196     1,795,650
    100,000   Tanox Inc.+ .................   1,963,490     1,990,000
      1,747   UCB SA ......................     123,761       119,803
                                           ------------  ------------
                                             15,865,652    16,195,632
                                           ------------  ------------
              HOTELS AND GAMING -- 2.8%
     20,600   Aztar Corp.+ ................   1,028,957     1,121,052
     10,000   Four Seasons Hotels Inc. ....     817,980       819,900
     20,000   Harrah's Entertainment Inc. .   1,554,411     1,654,400
      5,000   Las Vegas Sands Corp.+ ......     158,550       447,400
      3,000   Station Casinos Inc. ........     247,098       245,010
                                           ------------  ------------
                                              3,806,996     4,287,762
                                           ------------  ------------
              METALS AND MINING -- 1.6%
      9,000   Alcan Inc. ..................     351,194       438,660
      7,000   Barrick Gold Corp. ..........     204,960       214,900
     10,000   Gold Fields Ltd., ADR .......     127,423       188,800
      4,000   NovaGold Resources Inc.+ ....      62,865        68,640
      6,500   Novelis Inc., New York ......     150,268       181,025
      6,000   Novelis Inc., Toronto .......     138,708       167,680
     10,000   Phelps Dodge Corp. ..........   1,217,761     1,197,200
     10,000   Royal Oak Mines Inc.+ .......      11,858             1
                                           ------------  ------------
                                              2,265,037     2,456,906
                                           ------------  ------------
              PUBLISHING -- 6.8%
    100,000   Banta Corp. .................   3,954,706     3,640,000
     25,000   Dow Jones & Co. Inc. ........     986,386       950,000
        500   Idearc Inc.+ ................      15,938        14,325
     20,000   PagesJaunes Groupe SA .......     554,926       397,862

                 See accompanying notes to financial statements.

                                       6


THE GABELLI ABC FUND
SCHEDULE OF INVESTMENTS (CONTINUED) -- DECEMBER 31, 2006
================================================================================

                                                            MARKET
    SHARES                                     COST          VALUE
    ------                                     ----         ------
              COMMON STOCKS (CONTINUED)
              PUBLISHING (CONTINUED)
    250,000   The Reader's Digest
                Association Inc. ..........$  4,206,550  $  4,175,000
     42,000   Tribune Co. .................   1,339,774     1,292,760
                                           ------------  ------------
                                             11,058,280    10,469,947
                                           ------------  ------------
              REAL ESTATE -- 2.8%
      1,055   Case Pomeroy & Co. Inc.,
                Cl. A .....................   1,798,775     1,951,750
     70,900   Griffin Land &
                Nurseries Inc.+ ...........   1,644,728     2,300,705
        316   HomeFed Corp. ...............         566        20,856
                                           ------------  ------------
                                              3,444,069     4,273,311
                                           ------------  ------------
              REAL ESTATE INVESTMENT TRUSTS -- 5.4%
    140,000   Columbia Equity Trust Inc. ..   2,637,169     2,675,400
    105,000   Equity Office
                Properties Trust ..........   5,040,390     5,057,850
        300   Global Signal Inc. ..........      16,302        15,801
      9,012   Kimco Realty Corp. ..........     400,133       405,090
      5,000   Reckson Associates
                Realty Corp. ..............     220,140       228,000
      3,000   Trustreet Properties Inc. ...      51,080        50,550
                                           ------------  ------------
                                              8,365,214     8,432,691
                                           ------------  ------------
              RETAIL -- 0.4%
      1,000   Claire's Stores Inc. ........      33,386        33,140
     35,000   Pier 1 Imports Inc. .........     241,412       208,250
      1,000   Saks Inc. ...................      17,450        17,820
     10,000   SUPERVALU Inc. ..............     297,500       357,500
                                           ------------  ------------
                                                589,748       616,710
                                           ------------  ------------
              SPECIALTY CHEMICALS -- 4.4%
    200,000   MacDermid Inc. ..............   6,825,155     6,820,000
                                           ------------  ------------
              TELECOMMUNICATIONS -- 2.5%
      1,000   Commonwealth Telephone
                Enterprises Inc. ..........      37,410        41,860
     15,000   Corning Inc.+ ...............     193,678       280,650
      1,000   Essex Corp.+ ................      23,535        23,910
    240,000   Portugal Telecom SGPS SA ....   2,787,325     3,117,418
      6,000   Portugal Telecom SGPS SA,
                ADR .......................      69,318        77,640
      3,000   Telegroup Inc.+ .............          32             1
     10,000   Verizon
                Communications Inc. .......     382,515       372,400
                                           ------------  ------------
                                              3,493,813     3,913,879
                                           ------------  ------------
              TRANSPORTATION -- 0.0%
        500   Swift Transportation
               Co. Inc.+ ..................      14,862        13,135
                                           ------------  ------------

                                                            MARKET
    SHARES                                     COST          VALUE
    ------                                     ----         ------
              WIRELESS COMMUNICATIONS -- 0.4%
        500   American Tower Corp.,
               Cl. A+ .....................$      7,707  $     18,640
     14,000   Metricom Inc.+ ..............       1,680            18
     10,000   United States
               Cellular Corp.+ ............     466,745       695,900
     50,000   Winstar
                Communications Inc.+ (a) ..       2,125            50
                                           ------------  ------------
                                                478,257       714,608
                                           ------------  ------------
              TOTAL COMMON STOCKS ......... 126,359,254   130,705,002
                                           ------------  ------------
              PREFERRED  STOCKS  -- 0.0%
              COMMUNICATIONS EQUIPMENT -- 0.0%
              RSL Communications Ltd.,
      2,000     7.500% Cv. Pfd.,
                Ser. A+ (a)(b) ............         185             0
      1,000     7.500% Cv. Pfd.+ (a)(b)(d)           93             0
                                           ------------  ------------
                                                    278             0
                                           ------------  ------------
              HOME FURNISHINGS -- 0.0%
      8,000   O'Sullivan Industries
                Holdings Inc.,
                12.000% Pfd.+ .............       4,750             0
                                           ------------  ------------
              TOTAL PREFERRED STOCKS ......       5,028             0
                                           ------------  ------------
   PRINCIPAL
    AMOUNT
    ------
              CORPORATE BONDS -- 0.2%
              BUSINESS SERVICES -- 0.2%
  $ 482,585   GP Strategies Corp., Sub. Deb.,
                6.000%, 08/14/08 (a)(c) ...     401,636       323,897
                                           ------------  ------------
              COMPUTER SOFTWARE AND SERVICES -- 0.0%
    100,000   Exodus Communications Inc.,
                Sub. Deb. Cv.,
                5.250%, 02/15/08+ (a)(b) ..       2,250             0
                                           ------------  ------------
              RETAIL -- 0.0%
    200,000   RDM Sports Group Inc.,
                Sub. Deb.,
                8.000%, 08/15/03+ (a)(b) ..       4,000         4,000
                                           ------------  ------------
              TRANSPORTATION -- 0.0%
    850,000   Builders Transport Inc.,
                Sub. Deb. Cv.,
                6.500%, 05/01/11+ (a)(b) ..       8,500             0
                                           ------------  ------------
              TOTAL CORPORATE BONDS .......     416,386       327,897
                                           ------------  ------------

                 See accompanying notes to financial statements.

                                       7


THE GABELLI ABC FUND
SCHEDULE OF INVESTMENTS (CONTINUED) -- DECEMBER 31, 2006
================================================================================

                                                            MARKET
    SHARES                                     COST          VALUE
    ------                                     ----         ------
              WARRANTS -- 0.1%
              CONSUMER PRODUCTS -- 0.0%
     10,396   Pillowtex Corp.,
                expire 11/24/09+ (a) ......$     45,461  $          1
                                           ------------  ------------
              DIVERSIFIED INDUSTRIAL -- 0.1%
    284,777   National Patent Development Corp.,
                expire 08/14/08+ (a)(c) ...           0        76,637
      6,533   WHX Corp., expire 02/28/08+ .      53,205         2,679
                                           ------------  ------------
                                                 53,205        79,316
                                           ------------  ------------
              TOTAL WARRANTS ..............      98,666        79,317
                                           ------------  ------------
              RIGHTS -- 0.0%
              CONSUMER PRODUCTS -- 0.0%
     50,000   Revlon Inc., Cl. A Rights+ ..           0         2,500
                                           ------------  ------------
  PRINCIPAL
   AMOUNT
   ------
              U.S. GOVERNMENT OBLIGATIONS -- 14.5%
$22,645,000   U.S. Treasury Bills,
                4.859% to 5.101%++,
                01/04/07 to 04/26/07 ......  22,468,342    22,467,859
                                           ------------  ------------
              TOTAL
                INVESTMENTS -- 99.2% ......$149,347,676   153,582,575
                                           ============
              OTHER ASSETS AND
               LIABILITIES (NET) -- 0.8% ..............     1,193,541
                                                         ------------
              NET ASSETS -- 100.0% ....................  $154,776,116
                                                         ============

- -------------
(a) Security fair valued under procedures established by the Board of Directors.
    The procedures may include reviewing available financial information about
    the company and reviewing valuation of comparable securities and other
    factors on a regular basis. At December 31, 2006, the market value of fair
    valued securities amounted to $462,530 or 0.30% of total net assets.
(b) Security in default.
(c) At December 31, 2006, the Fund held investments in restricted and illiquid
    securities amounting to $400,534 or 0.26% of total net assets, which were
    valued under methods approved by the Board as follows:

ACQUISITION                                                           12/31/06
  SHARES/                                                             CARRYING
 PRINCIPAL                                 ACQUISITION   ACQUISITION   VALUE
  AMOUNT   ISSUER                             DATE           COST     PER UNIT
 --------  ------                           -----------  -----------  --------
  284,777  National Patent Development Corp.
             warrants expire 08/14/08 ......  11/24/04    $   0.00    $ 0.2691
 $482,585  GP Strategies Corp., Sub. Deb.,
             6.00%, 08/14/08 ...............  08/08/03     382,866     67.1171

(d) Security exempt from registration under Rule 144A of the Securities Act of
    1933, as amended. This security may be resold in transactions exempt from
    registration, normally to qualified institutional buyers. At December 31,
    2006, the market value of the Rule 144A security amounted to $0 or 0.00% of
    total net assets.
 +  Non-income producing security.
 ++ Represents annualized yield at date of purchase.
ADR American Depository Receipt
CVO Contingent Value Obligation

                 See accompanying notes to financial statements.

                                       8


                              THE GABELLI ABC FUND

STATEMENT OF ASSETS AND LIABILITIES
DECEMBER 31, 2006
================================================================================

ASSETS:
  Investments, at value (cost $149,347,676) ....   $153,582,575
  Cash .........................................          1,219
  Receivable for investments sold ..............     10,475,526
  Receivable for Fund shares sold ..............        207,901
  Dividends and interest receivable ............         63,909
  Prepaid expense ..............................          9,204
                                                   ------------
  TOTAL ASSETS .................................    164,340,334
                                                   ------------
LIABILITIES:
  Payable for investments purchased ............      9,427,164
  Payable for investment advisory fees .........         68,562
  Payable for accounting fees ..................          7,501
  Other accrued expenses .......................         60,991
                                                   ------------
  TOTAL LIABILITIES ............................      9,564,218
                                                   ------------
  NET ASSETS applicable to 15,474,596
    shares outstanding .........................   $154,776,116
                                                   ============
NET ASSETS CONSIST OF:
  Paid-in capital, at $0.001 par value .........   $151,013,593
  Accumulated distributions in excess of
    net investment income ......................       (225,737)
  Accumulated distributions in excess of
    net realized gain on investments
    and foreign currency transactions ..........       (246,844)
  Net unrealized appreciation on investments ...      4,234,899
  Net unrealized appreciation on foreign
    currency translations ......................            205
                                                   ------------
  NET ASSETS ...................................   $154,776,116
                                                   ============
  NET ASSET VALUE, offering and redemption price
    per share ($154,776,116 / 15,474,596 shares
    outstanding; 1,000,000,000 shares authorized)        $10.00
                                                         ======

STATEMENT OF OPERATIONS
FOR THE YEAR ENDED DECEMBER 31, 2006
================================================================================

INVESTMENT INCOME:
  Dividends (net of foreign taxes of $118,951) ............   $  1,950,570
  Interest ................................................      3,539,456
                                                              ------------
  TOTAL INVESTMENT INCOME .................................      5,490,026
                                                              ------------
EXPENSES:
  Investment advisory fees ................................      1,795,241
  Custodian fees ..........................................         46,254
  Accounting fees ............ ............................         45,000
  Legal and audit fees ....................................         35,480
  Shareholder services fees ...............................         32,937
  Shareholder communications expenses .....................         24,046
  Registration expenses ...................................         21,947
  Interest expense ........................................         14,774
  Directors' fees .........................................          9,500
  Miscellaneous expenses ..................................         27,732
                                                              ------------
  TOTAL EXPENSES ..........................................      2,052,911
  Less: Custodian fee credits .............................        (36,805)
  Fees waived (see Note 3) ................................       (897,621)
                                                              ------------
  NET EXPENSES ............................................      1,118,485
                                                              ------------
  NET INVESTMENT INCOME ...................................      4,371,541
                                                              ------------
NET REALIZED AND UNREALIZED GAIN (LOSS) ON
  INVESTMENTS AND FOREIGN CURRENCY:
  Net realized gain on investments ........................     13,964,022
  Net realized gain on foreign currency transactions ......        366,020
                                                              ------------
  Net realized gain on investments and foreign
    currency transactions .................................     14,330,042
                                                              ------------
  Net change in unrealized appreciation/
    depreciation on investments ...........................      1,406,979
  Net change in unrealized appreciation/
    depreciation on foreign currency translations .........        115,908
                                                              ------------
  Net change in unrealized appreciation/
    depreciation on investments and foreign
    currency translations .................................      1,522,887
                                                              ------------
  NET REALIZED AND UNREALIZED GAIN (LOSS) ON
    INVESTMENTS AND FOREIGN CURRENCY ......................     15,852,929
                                                              ------------
  NET INCREASE IN NET ASSETS RESULTING
    FROM OPERATIONS .......................................   $ 20,224,470
                                                              ============

STATEMENT OF CHANGES IN NET ASSETS
================================================================================


                                                                                      YEAR ENDED          YEAR ENDED
                                                                                   DECEMBER 31, 2006   DECEMBER 31, 2005
                                                                                  ------------------   -----------------
                                                                                                   
OPERATIONS:
  Net investment income .......................................................      $   4,371,541       $   2,991,937
  Net realized gain on investments and foreign currency transactions ..........         14,330,042           6,750,946
  Net change in unrealized appreciation/depreciation on investments and foreign
    currency translations .....................................................          1,522,887             862,232
                                                                                     -------------       -------------
  NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS ........................         20,224,470          10,605,115
                                                                                     -------------       -------------
DISTRIBUTIONS TO SHAREHOLDERS:
  Net investment income .......................................................         (3,811,884)         (2,627,453)
  Net realized gain on investments ............................................        (11,289,043)         (5,954,327)
                                                                                     -------------       -------------
  TOTAL DISTRIBUTIONS TO SHAREHOLDERS .........................................        (15,100,927)         (8,581,780)
                                                                                     -------------       -------------
CAPITAL SHARE TRANSACTIONS:
  Net decrease in net assets from capital share transactions ..................        (27,337,170)       (126,289,556)
                                                                                     -------------       -------------
  REDEMPTION FEES .............................................................                406                 332
                                                                                     -------------       -------------
  NET DECREASE IN NET ASSETS ..................................................        (22,213,221)       (124,265,889)
NET ASSETS:
  Beginning of period .........................................................        176,989,337         301,255,226
                                                                                     -------------       -------------
  End of period (including undistributed net investment income of
    $0 and $0, respectively) ..................................................      $ 154,776,116       $ 176,989,337
                                                                                     =============       =============


                 See accompanying notes to financial statements.

                                       9


THE GABELLI ABC FUND
NOTES TO FINANCIAL STATEMENTS
================================================================================


1. ORGANIZATION. The Gabelli ABC Fund (the "Fund"), a series of Gabelli Investor
Funds, Inc. (the "Corporation"), was organized on October 30, 1992 as a Maryland
corporation.  The  Fund  is a  non-diversified  open-end  management  investment
company  registered  under the  Investment  Company Act of 1940, as amended (the
"1940 Act").  The Fund's primary  objective is to achieve total returns that are
attractive to investors in various market  conditions  without excessive risk of
capital  loss.  The Fund  commenced  investment  operations  on May 14, 1993.

2. SIGNIFICANT  ACCOUNTING POLICIES.  The preparation of financial statements in
accordance with United States ("U.S.") generally accepted accounting  principles
requires  management to make estimates and assumptions  that affect the reported
amounts and disclosures in the financial statements. Actual results could differ
from those  estimates.  The  following  is a summary of  significant  accounting
policies followed by the Fund in the preparation of its financial statements.

SECURITY  VALUATION.  Portfolio  securities  listed or  traded  on a  nationally
recognized securities exchange or traded in the U.S. over-the-counter market for
which market quotations are readily available are valued at the last quoted sale
price or a market's  official  closing  price as of the close of business on the
day the  securities  are being  valued.  If there  were no sales  that day,  the
security is valued at the  average of the  closing  bid and asked  prices or, if
there were no asked  prices  quoted on that day,  then the security is valued at
the closing bid price on that day. If no bid or asked  prices are quoted on such
day,  the  security is valued at the most  recently  available  price or, if the
Board of  Directors  (the  "Board") so  determines,  by such other method as the
Board shall determine in good faith to reflect its fair market value.  Portfolio
securities  traded on more than one national  securities  exchange or market are
valued according to the broadest and most  representative  market, as determined
by Gabelli Funds, LLC (the "Adviser").

Portfolio  securities  primarily traded on a foreign market are generally valued
at the preceding  closing values of such securities on the relevant market,  but
may be fair valued  pursuant to  procedures  established  by the Board if market
conditions change  significantly after the close of the foreign market but prior
to the  close of  business  on the day the  securities  are being  valued.  Debt
instruments  with  remaining  maturities  of 60 days or less that are not credit
impaired are valued at amortized cost,  unless the Board  determines such amount
does not reflect the securities' fair value, in which case these securities will
be fair valued as determined by the Board.  Debt  instruments  having a maturity
greater  than 60 days for which  market  quotations  are readily  available  are
valued at the average of the latest bid and asked prices. If there were no asked
prices  quoted on such day,  the security is valued using the closing bid price.
Futures contracts are valued at the closing  settlement price of the exchange or
board of trade on which the applicable contract is traded.

Securities and assets for which market  quotations are not readily available are
fair  valued as  determined  by the  Board.  Fair  valuation  methodologies  and
procedures may include, but are not limited to: analysis and review of available
financial and non-financial  information  about the company;  comparisons to the
valuation and changes in valuation of similar securities, including a comparison
of foreign  securities to the equivalent U.S. dollar value ADR securities at the
close of the U.S.  exchange;  and evaluation of any other information that could
be indicative of the value of the security.

In September 2006, the Financial  Accounting Standards Board (the "FASB") issued
Statement  of  Financial   Accounting   Standards   ("SFAS")   157,  Fair  Value
Measurements,  which  clarifies  the  definition  of  fair  value  and  requires
companies  to expand  their  disclosure  about the use of fair  value to measure
assets and  liabilities  in interim  and annual  periods  subsequent  to initial
recognition.  Adoption of SFAS 157  requires  the use of the price that would be
received  to sell  an  asset  or paid to  transfer  a  liability  in an  orderly
transaction  between market  participants at the  measurement  date. SFAS 157 is
effective  for  financial  statements  issued for fiscal years  beginning  after
November 15, 2007, and interim  periods within those fiscal years. At this time,
management is in the process of reviewing the  requirements  of SFAS 157 against
its current valuation policies to determine future applicability.

                                       10


THE GABELLI ABC FUND
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
================================================================================


REPURCHASE  AGREEMENTS.  The Fund may  enter  into  repurchase  agreements  with
primary  government  securities dealers recognized by the Federal Reserve Board,
with  member  banks of the  Federal  Reserve  System,  or with other  brokers or
dealers that meet credit  guidelines  established by the Adviser and reviewed by
the Board.  Under the terms of a typical  repurchase  agreement,  the Fund takes
possession  of an  underlying  debt  obligation  subject to an obligation of the
seller to repurchase,  and the Fund to resell,  the obligation at an agreed-upon
price and time, thereby  determining the yield during the Fund's holding period.
The Fund will always receive and maintain  securities as collateral whose market
value, including accrued interest,  will be at least equal to 102% of the dollar
amount  invested by the Fund in each  agreement.  The Fund will make payment for
such  securities  only upon  physical  delivery  or upon  evidence of book entry
transfer of the collateral to the account of the  custodian.  To the extent that
any repurchase transaction exceeds one business day, the value of the collateral
is marked-to-market on a daily basis to maintain the adequacy of the collateral.
If the seller defaults and the value of the collateral declines or if bankruptcy
proceedings   are  commenced  with  respect  to  the  seller  of  the  security,
realization of the collateral by the Fund may be delayed or limited. At December
31, 2006, there were no open repurchase agreements.

FUTURES  CONTRACTS.  The Fund may engage in futures contracts for the purpose of
hedging  against  changes in the value of its  portfolio  securities  and in the
value of  securities  it  intends  to  purchase.  Upon  entering  into a futures
contract,  the Fund is required to deposit  with the broker an amount of cash or
cash equivalents equal to a certain  percentage of the contract amount.  This is
known as the "initial margin". Subsequent payments ("variation margin") are made
or received by the Fund each day,  depending  on the daily  fluctuations  in the
value    of    the    contract,     which    are    included    in    unrealized
appreciation/depreciation   on  investments  and  futures  contracts.  The  Fund
recognizes a realized gain or loss when the contract is closed.

There are several  risks in  connection  with the use of futures  contracts as a
hedging  instrument.   The  change  in  value  of  futures  contracts  primarily
corresponds  with the  value  of their  underlying  instruments,  which  may not
correlate with the change in value of the hedged investments. In addition, there
is the risk that the Fund may not be able to enter  into a  closing  transaction
because of an illiquid  secondary  market.  At December 31, 2006,  there were no
open futures contracts.

SECURITIES SOLD SHORT.  The Fund may enter into short sale  transactions.  Short
selling involves selling  securities that may or may not be owned and, at times,
borrowing the same securities for delivery to the purchaser,  with an obligation
to replace such borrowed  securities at a later date. The proceeds received from
short sales are recorded as liabilities  and the Fund records an unrealized gain
or loss to the extent of the  difference  between the proceeds  received and the
value of an open short position on the day of determination.  The Fund records a
realized gain or loss when the short  position is closed out. By entering into a
short sale, the Fund bears the market risk of an unfavorable change in the price
of the security sold short.  Dividends on short sales are recorded as an expense
by the Fund on the  ex-dividend  date and  interest  expense is  recorded on the
accrual  basis.  The Fund did not hold any short  positions  as of December  31,
2006.

FORWARD  FOREIGN  EXCHANGE  CONTRACTS.  The Fund may engage in  forward  foreign
exchange contracts for hedging a specific transaction with respect to either the
currency in which the  transaction is denominated or another  currency as deemed
appropriate by the Adviser. Forward foreign exchange contracts are valued at the
forward  rate and are  marked-to-market  daily.  The  change in market  value is
included in unrealized  appreciation/(depreciation)  on investments  and foreign
currency translations.  When the contract is closed, the Fund records a realized
gain or loss equal to the  difference  between the value of the  contract at the
time it was opened and the value at the time it was closed.

                                       11


THE GABELLI ABC FUND
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
================================================================================


The use of forward foreign exchange contracts does not eliminate fluctuations in
the underlying prices of the Fund's portfolio securities,  but it does establish
a rate of exchange that can be achieved in the future.  Although forward foreign
exchange  contracts  limit the risk of loss due to a decline in the value of the
hedged currency, they also limit any potential gain that might result should the
value of the currency increase. In addition,  the Fund could be exposed to risks
if the  counterparties  to the  contracts  are unable to meet the terms of their
contracts.  At December 31, 2006,  there were no open forward  foreign  exchange
contracts.

FOREIGN CURRENCY TRANSLATIONS.  The books and records of the Fund are maintained
in  U.S.  dollars.  Foreign  currencies,   investments,  and  other  assets  and
liabilities  are translated  into U.S.  dollars at the current  exchange  rates.
Purchases  and  sales  of  investment  securities,   income,  and  expenses  are
translated  at the exchange  rate  prevailing  on the  respective  dates of such
transactions.  Unrealized  gains and losses that result from  changes in foreign
exchange rates and/or changes in market prices of securities  have been included
in unrealized  appreciation/(depreciation)  on investments and foreign  currency
translations.  Net realized  foreign  currency  gains and losses  resulting from
changes in exchange  rates include  foreign  currency  gains and losses  between
trade date and settlement date on investment  securities  transactions,  foreign
currency  transactions,  and the difference  between the amounts of interest and
dividends  recorded on the books of the Fund and the amounts actually  received.
The  portion of foreign  currency  gains and losses  related to  fluctuation  in
exchange rates between the initial trade date and subsequent  sale trade date is
included in realized gain/(loss) on investments.

FOREIGN  SECURITIES.  The Fund  may  directly  purchase  securities  of  foreign
issuers.  Investing in securities of foreign issuers  involves special risks not
typically  associated  with investing in securities of U.S.  issuers.  The risks
include  possible  revaluation of currencies,  the ability to repatriate  funds,
less complete financial information about companies, and possible future adverse
political  and  economic  developments.  Moreover,  securities  of many  foreign
issuers and their markets may be less liquid and their prices more volatile than
those of securities of comparable U.S. issuers.

FOREIGN  TAXES.  The Fund may be subject to  foreign  taxes on income,  gains on
investments,  or currency  repatriation,  a portion of which may be recoverable.
The Fund will accrue such taxes and  recoveries  as  applicable,  based upon its
current interpretation of tax rules and regulations that exist in the markets in
which it invests.

RESTRICTED  AND  ILLIQUID  SECURITIES.  The Fund may invest up to 15% of its net
assets in  securities  for which the markets are illiquid.  Illiquid  securities
include  securities the disposition of which is subject to substantial  legal or
contractual  restrictions.  The sale of illiquid  securities often requires more
time and  results  in higher  brokerage  charges or dealer  discounts  and other
selling  expenses  than does the sale of  securities  eligible  for  trading  on
national securities  exchanges or in the  over-the-counter  markets.  Restricted
securities  may  sell at a price  lower  than  similar  securities  that are not
subject to  restrictions on resale.  Securities  freely saleable among qualified
institutional investors under special rules adopted by the SEC may be treated as
liquid  if they  satisfy  liquidity  standards  established  by the  Board.  The
continued  liquidity  of  such  securities  is not as  well  assured  as that of
publicly  traded  securities,  and  accordingly  the Board  will  monitor  their
liquidity.

SECURITIES  TRANSACTIONS  AND INVESTMENT  INCOME.  Securities  transactions  are
accounted  for on the  trade  date  with  realized  gain or loss on  investments
determined  by using the  identified  cost method.  Interest  income  (including
amortization  of premium and  accretion  of discount) is recorded on the accrual
basis.  Premiums  and  discounts  on debt  securities  are  amortized  using the
effective  yield  to  maturity  method.  Dividend  income  is  recorded  on  the
ex-dividend date except for certain  dividends which are recorded as soon as the
Fund is informed of the dividend.

EXPENSES.  Certain  administrative  expenses are common to, and allocated among,
various  affiliated funds. Such allocations are made on the basis of each Fund's
average  net  assets  or other  criteria  directly  affecting  the  expenses  as
determined by the Adviser pursuant to procedures established by the Board.

                                       12


THE GABELLI ABC FUND
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
================================================================================


CUSTODIAN FEE CREDITS. When cash balances are maintained in the custody account,
the Fund receives  credits which are used to offset  custodian  fees.  The gross
expenses paid under the custody  arrangement  are included in custodian  fees in
the Statement of Operations with the corresponding expense offset, if any, shown
as "custodian fee credits".

DISTRIBUTIONS TO SHAREHOLDERS. Distributions to shareholders are recorded on the
ex-dividend date.  Distributions to shareholders are based on income and capital
gains as determined in accordance with Federal income tax regulations, which may
differ from income and capital gains as determined under U.S. generally accepted
accounting  principles.   These  differences  are  primarily  due  to  differing
treatments  of income and gains on various  investment  securities  and  foreign
currency  transactions  held by the  Fund,  timing  differences,  and  differing
characterizations  of  distributions  made by the Fund.  Distributions  from net
investment  income include net realized gains on foreign currency  transactions.
These book/tax  differences are either temporary or permanent in nature.  To the
extent these differences are permanent,  adjustments are made to the appropriate
capital   accounts   in  the   period   when  the   differences   arise.   These
reclassifications  have no impact on the net asset  value  ("NAV")  of the Fund,
including the Fund's use of the tax accounting  practice known as  equalization.
For the fiscal year ended  December  31,  2006,  reclassifications  were made to
decrease  accumulated  distributions  in  excess  of net  investment  income  by
$651,839  and to decrease  accumulated  distributions  in excess of net realized
gain on  investments  by  $3,073,916,  with an offsetting  adjustment to paid-in
capital.

The tax character of  distributions  paid during the fiscal years ended December
31, 2006 and December 31, 2005 was as follows:

                                               YEAR ENDED         YEAR ENDED
                                            DECEMBER 31, 2006  DECEMBER 31, 2005
                                            -----------------  -----------------
  DISTRIBUTIONS PAID FROM:
  Ordinary income
    (inclusive of short-term capital gains) ... $15,554,899        $9,621,608
  Net long-term capital gains .................   3,318,578           191,573
                                                -----------        ----------
  Total distributions paid .................... $18,873,477        $9,813,181
                                                ===========        ==========

PROVISION  FOR  INCOME  TAXES.  The Fund  intends  to  continue  to qualify as a
regulated  investment company under Subchapter M of the Internal Revenue Code of
1986, as amended (the  "Code").  It is the policy of the Fund to comply with the
requirements  of the Code  applicable to regulated  investment  companies and to
distribute  substantially  all of its net investment  company taxable income and
net capital gains. Therefore, no provision for Federal income taxes is required.

As of December 31, 2006, the components of  accumulated  earnings/(losses)  on a
tax basis were as follows:

              Net unrealized appreciation on investments and
                foreign currency transactions.................   $3,988,773
              Other temporary differences ....................     (226,250)
                                                                 ----------
              Total accumulated gain .........................   $3,762,523
                                                                 ==========

The following  summarizes the tax cost of investments and the related unrealized
appreciation/(depreciation) at December 31, 2006:

                                        GROSS          GROSS
                                     UNREALIZED     UNREALIZED    NET UNREALIZED
                            COST    APPRECIATION   DEPRECIATION    APPRECIATION
                            ----    ------------   ------------   --------------
   Investments ......  $149,594,007  $6,509,893    $(2,521,325)     $3,988,568

                                       13


THE GABELLI ABC FUND
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
================================================================================


At December 31, 2006, the difference between book basis and tax basis unrealized
appreciation  was  primarily  due to  deferral of losses from wash sales for tax
purposes.

In July 2006, the FASB issued Interpretation No. 48, "Accounting for Uncertainty
in  Income  Taxes,   an   Interpretation   of  FASB  Statement  No.  109"  ("the
Interpretation").  The  Interpretation  establishes for all entities,  including
pass-through  entities  such as the Fund,  a  minimum  threshold  for  financial
statement  recognition  of the benefit of positions  taken in filing tax returns
(including  whether  an entity is  taxable in a  particular  jurisdiction),  and
requires certain expanded tax disclosures.  The Interpretation is required to be
implemented  for a  calendar-year  open-end fund no later than its June 29, 2007
NAV, and is to be applied to all open tax years as of the date of effectiveness.
Management has begun to evaluate the  application of the  Interpretation  to the
Fund, and is not in a position at this time to estimate the  significance of its
impact, if any, on the Fund's financial statements.

3. INVESTMENT  ADVISORY AGREEMENT AND OTHER  TRANSACTIONS.  The Fund has entered
into an  investment  advisory  agreement  (the  "Advisory  Agreement")  with the
Adviser which provides that the Fund will pay the Adviser a fee,  computed daily
and paid monthly,  at the annual rate of 1.00% of the value of its average daily
net assets.  In accordance with the Advisory  Agreement,  the Adviser provides a
continuous   investment   program  for  the  Fund's   portfolio,   oversees  the
administration  of all aspects of the Fund's business and affairs,  and pays the
compensation  of all  Officers  and  Directors  of the Fund  who are  affiliated
persons  of  the  Adviser.   Effective   November  30,  2006,  the  Adviser  has
contractually  agreed to waive its  management fee in the amount of 0.50% of the
Fund's average daily net assets.  The arrangement is in effect through  December
31, 2007 and is renewable  annually by the  Adviser.  From April 1, 2002 through
November 30, 2006, the Adviser had voluntarily agreed to reduce its advisory fee
by 0.50%. The Fund's expenses were reduced by $897,621 for the fiscal year ended
December 31, 2006. Such amounts are not recoverable in future years.

The Fund pays each Director that is not considered to be an affiliated person an
annual retainer of $1,000 plus $250 for each Board meeting attended and they are
reimbursed for any out of pocket expenses  incurred in attending  meetings.  All
Board  committee  members receive $250 per meeting  attended.  Directors who are
directors  or  employees  of the  Adviser or an  affiliated  company  receive no
compensation or expense reimbursement from the Fund.

4. PORTFOLIO SECURITIES. Purchases and proceeds from the sales of securities for
the fiscal year ended  December  31,  2006,  other than  short-term  securities,
aggregated $430,758,273 and $208,317,165, respectively.

5. TRANSACTIONS WITH AFFILIATES. During the fiscal year ended December 31, 2006,
the Fund paid brokerage commissions of $233,483 to Gabelli & Company, Inc.

The cost of calculating  the Fund's NAV per share is a Fund expense  pursuant to
the Advisory Agreement between the Fund and the Adviser.  During the fiscal year
ended  December  31,  2006,  the Fund paid or accrued  $45,000 to the Adviser in
connection with the cost of computing the Fund's NAV.

6. LINE OF CREDIT.  The Fund has access to an unsecured  line of credit of up to
$25,000,000  from the  custodian for temporary  borrowing  purposes.  Borrowings
under this  arrangement  bear  interest at 0.75% above the Federal Funds rate on
outstanding balances.  This amount, if any, would be shown as "interest expense"
in the Statement of Operations.  During the fiscal year ended December 31, 2006,
there were no borrowings from the line of credit.

                                       14


THE GABELLI ABC FUND
NOTES TO FINANCIAL STATEMENTS (CONTINUED)
================================================================================


7. CAPITAL STOCK  TRANSACTIONS.  Transactions in shares of capital stock were as
follows:


                                                              YEAR ENDED                        YEAR ENDED
                                                           DECEMBER 31, 2006                 DECEMBER 31, 2005
                                                     ----------------------------       ----------------------------
                                                       SHARES           AMOUNT            SHARES           AMOUNT
                                                     ----------      ------------       -----------    -------------
                                                                                           
Shares sold ......................................... 4,109,656      $ 44,553,475           593,644    $   5,899,245
Shares issued upon reinvestment of distributions ....   639,217         6,398,559           640,813        6,305,599
Shares redeemed .....................................(7,243,467)      (78,289,204)      (13,838,307)    (138,494,400)
                                                     ----------      ------------       -----------    -------------
  Net decrease ......................................(2,494,594)     $(27,337,170)      (12,603,850)   $(126,289,556)
                                                     ==========      ============       ===========    =============


The Fund imposes a  redemption  fee of 2.00% on Fund shares that are redeemed or
exchanged  on or before the seventh day after the date of a purchase.  (Prior to
June 15, 2005, the Fund imposed a redemption fee on shares that were redeemed or
exchanged  on or before  the  sixtieth  day after the date of a  purchase.)  The
redemption fee is deducted from the proceeds  otherwise payable to the redeeming
shareholders  and is retained by the Fund. The  redemption  fees retained by the
Fund during the fiscal  years ended  December  31,  2006 and  December  31, 2005
amounted to $406 and $332, respectively.

The redemption fee does not apply to shares purchased  through programs that the
Adviser  determined to have  appropriate  short-term  trading policies in place.
Additionally,  certain recordkeepers for qualified and non-qualified  retirement
plans that could not collect the redemption fee at the participant  level due to
systems limitations have received an extension to implement such systems.

8.  INDEMNIFICATIONS.  The Fund enters into  contracts that contain a variety of
indemnifications.  The Fund's  maximum  exposure  under  these  arrangements  is
unknown.  However, the Fund has not had prior claims or losses pursuant to these
contracts and expects the risk of loss to be remote.

9. OTHER MATTERS.  The Adviser  and/or  affiliates  received  subpoenas from the
Attorney General of the State of New York and the SEC requesting  information on
mutual fund share  trading  practices  involving  certain  funds  managed by the
Adviser.  GAMCO  Investors,   Inc.  ("GAMCO"),  the  Adviser's  parent  company,
responded to these  requests for documents and  testimony.  In June 2006,  GAMCO
began discussions with the SEC regarding a possible resolution of their inquiry.
In February  2007,  the Adviser made an offer of  settlement to the staff of the
SEC for  communication  to the Commission for its  consideration to resolve this
matter.  This offer of settlement is subject to agreement regarding the specific
language of the SEC's administrative order and other settlement documents.  On a
separate matter, in September 2005, the Adviser was informed by the staff of the
SEC that the staff may recommend to the Commission that an administrative remedy
and a monetary penalty be sought from the Adviser in connection with the actions
of two of seven  closed-end  funds  managed by the  Adviser  relating to Section
19(a)  and Rule  19a-1 of the 1940  Act.  These  provisions  require  registered
investment  companies  to provide  written  statements  to  shareholders  when a
dividend is made from a source other than net investment  income.  While the two
closed-end funds sent annual statements and provided other materials  containing
this information, the funds did not send written statements to shareholders with
each  distribution in 2002 and 2003. The Adviser  believes that all of the funds
are now in  compliance.  The Adviser  believes  that these matters would have no
effect on the Fund or any material  adverse effect on the Adviser or its ability
to manage the Fund.

                                       15


THE GABELLI ABC FUND
FINANCIAL HIGHLIGHTS
================================================================================


Selected data for a share of capital stock outstanding throughout each period:


                                                                           YEAR ENDED DECEMBER 31,
                                                          -----------------------------------------------------------
                                                            2006         2005        2004         2003        2002
                                                          --------     --------    --------     --------    --------
                                                                                                
OPERATING PERFORMANCE:
   Net asset value, beginning of period ................. $   9.85     $   9.85    $   9.83     $   9.64    $   9.65
                                                          --------     --------    --------     --------    --------
   Net investment income ................................     0.30         0.17        0.08         0.05        0.07
   Net realized and unrealized gain on investments ......     0.88         0.32        0.11         0.43        0.01
                                                          --------     --------    --------     --------    --------
   Total from investment operations .....................     1.18         0.49        0.19         0.48        0.08
                                                          --------     --------    --------     --------    --------
DISTRIBUTIONS TO SHAREHOLDERS:
   Net investment income ................................    (0.26)       (0.15)      (0.08)       (0.01)      (0.05)
   Net realized gain on investments .....................    (0.77)       (0.34)      (0.09)       (0.28)      (0.04)
                                                          --------     --------    --------     --------    --------
   Total distributions ..................................    (1.03)       (0.49)      (0.17)       (0.29)      (0.09)
                                                          --------     --------    --------     --------    --------
   REDEMPTION FEES ......................................     0.00(a)      0.00(a)     0.00(a)        --          --
                                                          --------     --------    --------     --------    --------
   NET ASSET VALUE, END OF PERIOD ....................... $  10.00     $   9.85    $   9.85     $   9.83    $   9.64
                                                          ========     ========    ========     ========    ========
   Total return+ ........................................    12.0%         5.0%        1.9%         4.9%        0.9%
                                                          ========     ========    ========     ========    ========
RATIOS TO AVERAGE NET ASSETS AND SUPPLEMENTAL DATA:
   Net assets, end of period (in 000's) ................. $154,776     $176,989    $301,255     $294,070    $261,014
   Ratio of net investment income to
     average net assets .................................    2.44%        1.26%       0.83%        0.59%       0.74%
   Ratio of operating expenses to average net asset
     before fees waived .................................    1.14%        1.14%       1.15%        1.40%       1.39%
   Ratio of operating expenses to average net asset
     net of fees waived .................................    0.64%(b)(c)  0.64%(b)    0.61%        0.65%       0.99%
   Portfolio turnover rate ..............................     190%         127%        141%         244%        252%


- -------------------
  + Total return  represents  aggregate  total return of a  hypothetical  $1,000
    investment  at the beginning of the period and sold at the end of the period
    including reinvestment of distributions.
(a) Amount represents less than $0.005 per share.
(b) The ratios do not include a reduction of expenses for  custodian fee credits
    on cash balances maintained with the custodian. Including such custodian fee
    credits, the expense ratios for the fiscal years ended December 31, 2006 and
    December 31, 2005 would have been 0.62% and 0.62%, respectively.
(c) The fund incurred interest expense during the fiscal year ended December 31,
    2006.  If interest  expense had not been  incurred,  the ratio of  operating
    expenses to average net assets would have been 0.61%.

                 See accompanying notes to financial statements.

                                       16


THE GABELLI ABC FUND
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
================================================================================


To the Shareholders and Board of Directors of
Gabelli Investor Funds, Inc.

We have audited the accompanying statement of assets and liabilities,  including
the schedule of investments,  of The Gabelli ABC Fund (the "Fund"),  a series of
Gabelli Investor Funds, Inc., as of December 31, 2006, and the related statement
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 financial highlights for
each of the four years in the period then ended. These financial  statements and
financial  highlights  are the  responsibility  of the  Fund's  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  December  31, 2002 were  audited by other  auditors  whose  report  dated
January  31,  2003,   expressed  an  unqualified   opinion  on  those  financial
statements.

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 Fund's  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  Fund's  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 December 31,  2006,  by  correspondence  with the Fund's
custodian and brokers or by other appropriate  auditing procedures where replies
from brokers were not received.  We believe that our audits provide a reasonable
basis for our opinion.

In our opinion,  the financial  statements and financial  highlights referred to
above present fairly, in all material  respects,  the financial  position of The
Gabelli ABC Fund,  a series of Gabelli  Investor  Funds,  Inc.,  at December 31,
2006, 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
Philadelphia, Pennsylvania
February 16, 2007

                                       17


THE GABELLI ABC FUND
ADDITIONAL FUND INFORMATION (UNAUDITED)
================================================================================

The  business  and affairs of the Fund are managed  under the  direction  of the
Fund's Board of Directors.  Information pertaining to the Directors and officers
of the Fund is set forth below. The Fund's  Statement of Additional  Information
includes  additional  information  about the Fund's  Directors and is available,
without  charge,  upon  request,  by calling  800-GABELLI  (800-422-3554)  or by
writing to The Gabelli ABC Fund at One Corporate Center, Rye, NY 10580-1422.


                         TERM OF        NUMBER OF
NAME, POSITION(S)      OFFICE AND     FUNDS IN FUND
    ADDRESS 1            LENGTH OF   COMPLEX OVERSEEN   PRINCIPAL OCCUPATION(S)                       OTHER DIRECTORSHIPS
     AND AGE          TIME SERVED 2     BY DIRECTOR     DURING PAST FIVE YEARS                        HELD BY DIRECTOR 4
- ----------------       ------------  ----------------   ----------------------                        ------------------
                                                                                          
INTERESTED DIRECTORS 3:
- ----------------------
MARIO J. GABELLI       Since 1993          24           Chairman of the Board and Chief Executive     Director of Morgan Group
Director and                                            Officer of GAMCO Investors, Inc. and          Holdings, Inc.
Chief Investment Officer                                Chief Investment Officer - Value Portfolios   (transportation services);
Age: 64                                                 of Gabelli Funds, LLC and GAMCO Asset         Chairman of the Board of
                                                        Management Inc.; Director/Trustee or          Lynch Interactive
                                                        Chief Investment Officer of other registered  Corporation (multimedia
                                                        investment companies in the Gabelli Funds     and communication
                                                        complex; Chairman and Chief Executive         services company)
                                                        Officer of GGCP, Inc.
INDEPENDENT DIRECTORS 5:
- -----------------------
ANTHONY J. COLAVITA    Since 1993          34           Partner in the law firm of                        --
Director                                                Anthony J. Colavita, P.C.
Age: 71

VINCENT D. ENRIGHT     Since 1993          13           Former Senior Vice President and Chief            --
Director                                                Financial Officer of KeySpan Energy
Age: 63                                                 Corporation (public utility) (1994-1998)

MARY E. HAUCK          Since 2000           3           Retired Senior Manager of the Gabelli             --
Director                                                O'Connor Fixed Income Mutual Funds
Age: 64                                                 Management Company

WERNER J. ROEDER, MD   Since 1993          23           Medical Director of Lawrence Hospital and         --
Director                                                practicing private physician
Age: 66


                                       18


THE GABELLI ABC FUND
ADDITIONAL FUND INFORMATION (CONTINUED) (UNAUDITED)
================================================================================


                         TERM OF
NAME, POSITION(S)      OFFICE AND
    ADDRESS 1            LENGTH OF                   PRINCIPAL OCCUPATION(S)
     AND AGE          TIME SERVED 2                  DURING PAST FIVE YEARS
- ----------------      -------------                  ----------------------
OFFICERS:
- --------
                                       
BRUCE N. ALPERT        Since 2003            Executive Vice President and Chief Operating Officer of Gabelli Funds, LLC
President                                    since 1988 and an officer of all of the registered investment companies
Age: 55                                      in the Gabelli Funds complex. Director and President of Gabelli Advisers, Inc.
                                             since 1998

JAMES E. MCKEE         Since 1995            Vice President, General Counsel and Secretary of GAMCO Investors, Inc.
Vice President and                           since 1999 and GAMCO Asset Management Inc. since 1993; Secretary of
Secretary                                    all of the registered investment companies in the Gabelli Funds complex
Age: 43

AGNES MULLADY          Since 2006            Treasurer of all of the registered investment companies in the Gabelli Funds
Treasurer                                    complex; Senior Vice President of U.S. Trust Company, N.A. and Treasurer
Age: 48                                      and Chief Financial Officer of Excelsior Funds from 2004 through 2005;
                                             Chief Financial Officer  of  AMIC Distribution  Partners  from 2002 through 2004;
                                             Controller of Reserve  Management  Corporation  and Reserve  Partners,  Inc. and
                                             Treasurer of Reserve Funds from 2000 through 2002

PETER D. GOLDSTEIN     Since 2004            Director of Regulatory Affairs at GAMCO Investors, Inc. since 2004;
Chief Compliance Officer                     Chief Compliance Officer of all of the registered investment companies
Age: 53                                      in the Gabelli Funds complex; Vice President of Goldman Sachs Asset
                                             Management from 2000 through 2004

- -------------------
  1 Address: One Corporate Center, Rye, NY 10580-1422, unless otherwise noted.
  2 Each Director will hold office for an indefinite  term until the earliest of
    (i) the next  meeting of  shareholders,  if any,  called for the  purpose of
    considering  the  election or  re-election  of such  Director  and until the
    election and qualification of his or her successor,  if any, elected at such
    meeting,  or (ii) the date a Director  resigns or retires,  or a Director is
    removed by the Board of Directors or  shareholders,  in accordance  with the
    Corporation's By-Laws and Articles of Incorporation.  Each officer will hold
    office for an indefinite term until the date he or she resigns or retires or
    until his or her successor is elected and qualified.
  3 "Interested  person" of the Fund as defined in the 1940 Act.  Mr. Gabelli is
    considered an "interested person" because of his  affiliation  with  Gabelli
    Funds, LLC which acts as the Fund's investment adviser.
  4 This column includes only  directorships of companies  required to report to
    the SEC under the Securities  Exchange Act of 1934, as amended (i.e.  public
    companies) or other investment companies registered under the 1940 Act.
  5 Directors who are interested persons are considered "Independent" Directors.


- --------------------------------------------------------------------------------
                   2006 TAX NOTICE TO SHAREHOLDERS (Unaudited)

  For the fiscal year ended December 31, 2006, the Fund paid to  shareholders an
  ordinary  income dividend  (comprised of net investment  income and short-term
  capital gains) totaling $0.84 and a distribution  from long-term  capital gain
  totaling $0.19 per share which is designated as a capital gain  dividend.  The
  Fund  designates  a maximum of  $3,318,578  of  long-term  capital  gains as a
  capital gain dividend for tax purposes. For the fiscal year ended December 31,
  2006,  7.05%  of the  ordinary  income  dividend  qualifies  for the  dividend
  received  deduction  available  to  corporations,  and 11.19% of the  ordinary
  income distribution was qualified dividend income.

  U.S. GOVERNMENT INCOME:
  The percentage of the ordinary  income dividend paid by the Fund during fiscal
  year 2006 which was derived from U.S.  Treasury  securities  was 19.90%.  Such
  income is exempt from state and local tax in all states. However, many states,
  including New York and California,  allow a tax exemption for a portion of the
  income earned only if a mutual fund has invested at least 50% of its assets at
  the  end of  each  quarter  of the  Fund's  fiscal  year  in  U.S.  Government
  securities. The Gabelli ABC Fund did not meet this strict requirement in 2006.
  Due to the  diversity in state and local tax law, it is  recommended  that you
  consult your personal tax advisor as to the  applicability  of the information
  provided to your specific situation.
- --------------------------------------------------------------------------------

                                       19


                              THE GABELLI ABC FUND
                              One Corporate Center
                            Rye, New York 10580-1422
                                   800-GABELLI
                                  800-422-3554
                                FAX: 914-921-5118
                            WEBSITE: WWW.GABELLI.COM
                            E-MAIL: INFO@GABELLI.COM
              Net Asset Value per share available daily by calling
                           800-GABELLI after 6:00 P.M.


                               BOARD OF DIRECTORS

Mario J. Gabelli, CFA                           Mary E. Hauck
CHAIRMAN AND CHIEF                              FORMER SENIOR PORTFOLIO MANAGER
EXECUTIVE OFFICER                               GABELLI-O'CONNOR FIXED INCOME
GAMCO INVESTORS, INC.                           MUTUAL FUND MANAGEMENT CO.

Anthony J. Colavita                             Werner J. Roeder, MD
ATTORNEY-AT-LAW                                 MEDICAL DIRECTOR
ANTHONY J. COLAVITA, P.C.                       LAWRENCE HOSPITAL

Vincent D. Enright
FORMER SENIOR VICE PRESIDENT
AND CHIEF FINANCIAL OFFICER
KEYSPAN ENERGY CORP.


                                    OFFICERS

Bruce N. Alpert                                 James E. McKee
PRESIDENT                                       SECRETARY

Agnes Mullady                                   Peter D. Goldstein
TREASURER                                       CHIEF COMPLIANCE OFFICER


                                   DISTRIBUTOR
                             Gabelli & Company, Inc.


                  CUSTODIAN, TRANSFER AGENT, AND DIVIDEND AGENT
                       State Street Bank and Trust Company


                                  LEGAL COUNSEL
                    Skadden, Arps, Slate, Meagher & Flom LLP





- --------------------------------------------------------------------------------
This report is submitted for the general information of the shareholders of The
Gabelli ABC Fund. It is not authorized for distribution to prospective investors
unless preceded or accompanied by an effective prospectus.
- --------------------------------------------------------------------------------

GAB408Q406AR


                                                         [GRAPHIC OMITTED]  E  P
                                                         Gabelli Triangle   P  M
                                                            MANAGEMENT      S  V
                                                            CASH FLOW
                                                             RESEARCH


                                            THE
                                            GABELLI
                                            ABC
                                            FUND






                                                                   ANNUAL REPORT
                                                               DECEMBER 31, 2006




ITEM 2. CODE OF ETHICS.

     (a) The registrant, as of the end of the period covered by this report, has
         adopted a code of ethics  that  applies to the  registrant's  principal
         executive officer,  principal financial officer,  principal  accounting
         officer  or  controller,   or  persons  performing  similar  functions,
         regardless of whether these  individuals are employed by the registrant
         or a third party.

     (c) There  have been no  amendments,  during  the  period  covered  by this
         report,  to a  provision  of the code of  ethics  that  applies  to the
         registrant's principal executive officer,  principal financial officer,
         principal  accounting  officer or  controller,  or  persons  performing
         similar functions, regardless of whether these individuals are employed
         by the registrant or a third party,  and that relates to any element of
         the code of ethics description.

     (d) The  registrant  has not granted  any  waivers,  including  an implicit
         waiver,  from a  provision  of the code of ethics  that  applies to the
         registrant's principal executive officer,  principal financial officer,
         principal  accounting  officer or  controller,  or  persons  performing
         similar functions, regardless of whether these individuals are employed
         by the registrant or a third party,  that relates to one or more of the
         items set forth in paragraph (b) of this item's instructions.


ITEM 3. AUDIT COMMITTEE FINANCIAL EXPERT.

As of the end of the period  covered by the report,  the  registrant's  Board of
Directors  has  determined  that  Vincent D. Enright is qualified to serve as an
audit committee  financial  expert serving on its audit committee and that he is
"independent," as defined by Item 3 of Form N-CSR.


ITEM 4. PRINCIPAL ACCOUNTANT FEES AND SERVICES.

AUDIT FEES

     (a) The  aggregate  fees  billed for each of the last two fiscal  years for
         professional  services  rendered by the  principal  accountant  for the
         audit of the registrant's annual financial  statements or services that
         are normally  provided by the  accountant in connection  with statutory
         and  regulatory  filings  or  engagements  for those  fiscal  years are
         $28,900 for 2005 and $30,500 for 2006.

AUDIT-RELATED FEES

     (b) The  aggregate  fees  billed in each of the last two  fiscal  years for
         assurance  and related  services by the principal  accountant  that are
         reasonably  related to the performance of the audit of the registrant's
         financial  statements and are not reported under  paragraph (a) of this
         Item are $0 for 2005 and $0 for 2006.

TAX FEES

     (c) The  aggregate  fees  billed in each of the last two  fiscal  years for
         professional  services  rendered by the  principal  accountant  for tax
         compliance, tax advice, and tax planning are $3,600 for 2005 and $0 for
         2006. Tax fees represent tax compliance services provided in connection
         with the review of the Registrant's tax returns.

ALL OTHER FEES

     (d) The  aggregate  fees  billed in each of the last two  fiscal  years for
         products and services provided by the principal accountant,  other than
         the services reported in paragraphs (a) through (c) of this Item are $0
         for 2005 and $0 for 2006.

  (e)(1) Disclose the audit  committee's  pre-approval  policies and  procedures
         described in paragraph (c)(7) of Rule 2-01 of Regulation S-X.

         Pre-Approval Policies and Procedures. The Audit Committee ("Committee")
         of the registrant is responsible  for  pre-approving  (i) all audit and
         permissible  non-audit  services  to be  provided  by  the  independent
         registered  public  accounting  firm to the  registrant  and  (ii)  all
         permissible  non-audit  services  to be  provided  by  the  independent
         registered public  accounting firm to the Adviser,  Gabelli Funds, LLC,
         and any  affiliate of Gabelli  Funds,  LLC  ("Gabelli")  that  provides
         services to the  registrant  (a  "Covered  Services  Provider")  if the
         independent  registered public  accounting  firm's  engagement  related
         directly to the operations and financial  reporting of the  registrant.
         The Committee may delegate its  responsibility  to pre-approve any such
         audit and  permissible  non-audit  services to the  Chairperson  of the
         Committee,  and the  Chairperson  must report to the Committee,  at its
         next regularly  scheduled meeting after the Chairperson's  pre-approval
         of such  services,  his or her  decision(s).  The  Committee  may  also
         establish   detailed   pre-approval   policies   and   procedures   for
         pre-approval  of such  services in  accordance  with  applicable  laws,
         including the delegation of some or all of the Committee's pre-approval
         responsibilities  to the  other  persons  (other  than  Gabelli  or the
         registrant's   officers).   Pre-approval   by  the   Committee  of  any
         permissible  non-audit  services  is not  required  so long as: (i) the
         permissible non-audit services were not recognized by the registrant at
         the time of the  engagement  to be  non-audit  services;  and (ii) such
         services are promptly  brought to the  attention of the  Committee  and
         approved by the Committee or Chairperson prior to the completion of the
         audit.


  (e)(2) The percentage of services  described in each of paragraphs (b) through
         (d) of this Item that were approved by the audit committee  pursuant to
         paragraph (c)(7)(i)(C) of Rule 2-01 of Regulation S-X are as follows:

                           (b) Not applicable

                           (c) 100%

                           (d) Not applicable

     (f) The  percentage  of  hours  expended  on  the  principal   accountant's
         engagement to audit the registrant's  financial statements for the most
         recent fiscal year that were  attributed  to work  performed by persons
         other than the principal  accountant's  full-time,  permanent employees
         was 0%.

     (g) The aggregate non-audit fees billed by the registrant's  accountant for
         services  rendered to the registrant,  and rendered to the registrant's
         investment  adviser  (not  including  any  sub-adviser  whose  role  is
         primarily portfolio management and is subcontracted with or overseen by
         another investment adviser), and any entity controlling, controlled by,
         or under common control with the adviser that provides ongoing services
         to the  registrant  for  each  of the  last  two  fiscal  years  of the
         registrant was $100,600 for 2005 and $73,050 for 2006.

     (h) The  registrant's  audit  committee  of  the  board  of  directors  has
         considered  whether  the  provision  of  non-audit  services  that were
         rendered to the  registrant's  investment  adviser (not  including  any
         sub-adviser  whose  role  is  primarily  portfolio  management  and  is
         subcontracted with or overseen by another investment adviser),  and any
         entity  controlling,  controlled  by, or under common  control with the
         investment  adviser that provides  ongoing  services to the  registrant
         that were not  pre-approved  pursuant to paragraph  (c)(7)(ii)  of Rule
         2-01 of Regulation  S-X is compatible  with  maintaining  the principal
         accountant's independence.



ITEM 5.  AUDIT COMMITTEE OF LISTED REGISTRANTS.

Not applicable.



ITEM 6.  SCHEDULE OF INVESTMENTS.

Schedule of Investments in securities of unaffiliated issuers as of the close of
the  reporting  period is included as part of the report to  shareholders  filed
under Item 1 of this form.



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.

There have been no material  changes to the procedures by which the shareholders
may  recommend  nominees to the  registrant's  Board of  Directors,  where those
changes were  implemented  after the  registrant  last  provided  disclosure  in
response to the  requirements  of Item  407(c)(2)(iv)  of Regulation S-K (17 CFR
229.407) (as required by Item  22(b)(15) of Schedule 14A (17 CFR  240.14a-101)),
or this Item.


ITEM 11. CONTROLS AND PROCEDURES.

     (a) The registrant's  principal executive and principal financial officers,
         or  persons  performing  similar  functions,  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  (the
         "1940 Act") (17 CFR 270.30a-3(c)))  are effective,  as of a date within
         90 days of the filing date of the report that  includes the  disclosure
         required by this paragraph, based on their evaluation of these controls
         and  procedures  required by Rule  30a-3(b)  under the 1940 Act (17 CFR
         270.30a-3(b))  and Rules  13a-15(b) or 15d-15(b)  under the  Securities
         Exchange   Act  of  1934,   as  amended   (17  CFR   240.13a-15(b)   or
         240.15d-15(b)).

     (b) There  were  no  changes  in the  registrant's  internal  control  over
         financial reporting (as defined in Rule 30a-3(d) under the 1940 Act (17
         CFR 270.30a-3(d))  that occurred during the registrant's  second fiscal
         quarter  of the  period  covered  by this  report  that has  materially
         affected,   or  is  reasonably   likely  to  materially   affect,   the
         registrant's internal control over financial reporting.


ITEM 12. EXHIBITS.

     (a)(1)   Code of ethics, or any amendment  thereto,  that is the subject of
              disclosure required by Item 2 is attached hereto.

     (a)(2)   Certifications  pursuant  to Rule  30a-2(a) under the 1940 Act and
              Section 302 of the Sarbanes-Oxley Act of 2002 are attached hereto.

     (a)(3)   Not applicable.

     (b)      Certifications  pursuant  to Rule  30a-2(b) under the 1940 Act and
              Section 906 of the Sarbanes-Oxley Act of 2002 are attached hereto.







                                   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.

(registrant)   Gabelli Investor Funds, Inc.
            --------------------------------------------------------------------

By (Signature and Title)*  /s/ Bruce N. Alpert
                         -------------------------------------------------------
                           Bruce N. Alpert, Principal Executive Officer


Date              03/01/2007
    ----------------------------------------------------------------------------


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 (Signature and Title)*  /s/ Bruce N. Alpert
                         -------------------------------------------------------
                           Bruce N. Alpert, Principal Executive Officer


Date              03/01/2007
    ----------------------------------------------------------------------------


By (Signature and Title)*  /s/ Agnes Mullady
                         -------------------------------------------------------
                          Agnes Mullady,
                          Principal Financial Officer & Treasurer


Date              03/01/2007
    ----------------------------------------------------------------------------



* Print the name and title of each signing officer under his or her signature.