<PAGE>

================================================================================

                UNITED STATES SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549
                                   FORM 10-K/A
                               AMENDMENT NO. 1 TO

|X|      ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES
         EXCHANGE ACT OF 1934

                   For the fiscal year ended December 31, 1999

|_|      TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE
         SECURITIES EXCHANGE ACT OF 1934

     For the transition period from_______________________ to______________

                        Commission file number 001-14205

                            JWGENESIS FINANCIAL CORP.
             (Exact name of registrant as specified in its charter)

           Florida                                     58-1545984
------------------------------             -------------------------------------
(State or other jurisdiction of            (I.R.S.  Employer Identification No.)
incorporation or organization)

      980 North Federal Highway - Suite 210
            Boca Raton, Florida                           33432
--------------------------------------------------      ---------
   (Address of principal executive offices)             (Zip Code)

        Registrant's telephone number, including area code (561) 338-2600

           Securities registered pursuant to Section 12(b) of the Act:
                    Common Stock - Par Value $.001 per share
                    ----------------------------------------
                                (Title of class)

        Securities registered pursuant to Section 12(g) of the Act: None

        Name of Exchange on Which Registered: The American Stock Exchange


        Indicate by check mark whether the registrant (1) has filed all reports
required to be filed by Section 13 or 15(d) of the Securities Exchange Act of
1934 during the preceding 12 months (or for such shorter period that the
registrant was required to file such reports), and (2) has been subject to such
filing requirements for the last 90 days. Yes No

        Indicate by check mark if disclosure of delinquent filers pursuant to
Item 405 of Regulation S-K is not contained herein, and will not be contained,
to the best of the registrant's knowledge, in definitive proxy or information
statements incorporated by reference in Part III of this Form 10-K or any
amendment to this Form 10-K.

         On March 27, 2000, the Registrant had 8,459,000 outstanding shares of
Common Stock, $.001 par value, and at such date, the aggregate market value of
the shares of Common Stock held by non-affiliates, was approximately
$139,573,000.

                       DOCUMENTS INCORPORATED BY REFERENCE

         Portions of the Registrant's definitive Proxy Statement for the 2000
Annual Meeting of Stockholders, to be filed with the Commission, are
incorporated by reference into Part III.

================================================================================
<PAGE>

                                Portions Amended

Part IV, Item 14(3), of Company's Annual Report on Form 10-K is hereby amended
to reflect the addition or modification of the following exhibits:

        10(j)   Common Stock Purchase Warrant, fully vested issued to GE
                Financial Assurance Holdings, Inc., dated September 15, 1999.

        23(a)   Consent of PricewaterhouseCoopers relating to Registration
                Statements on Form S-8.

        23(b)   Consent of PricewaterhouseCoopers relating to Registration
                Statements on Form S-3.

        99(i)   Amendment to the Leeds Nonsolicitation Agreement

        99(j)   Nonsolicitation Agreement between the Company and Joel E. Marks.

        99(k)*  Agreement to amend the Marks Nonsolicitation Agreement

        99(l)   Amendment to the Marks Nonsolicitation Agreement

* Previously filed. Amendment herein is only to revise description in the
  Exhibit list.

The full list of Exhibits to the Form 10-K, as amended, is set forth below.

                                       2
<PAGE>

(3)  Exhibits included herein:

 Exhibit Number       Description of Exhibit
 --------------       ----------------------

        2.1     Stock Purchase Agreement dated April 16, 1999, by and among
                JWGenesis, Fiserv, Inc., Fiserv Clearing, Inc., JWGenesis
                Financial Services, Inc., and JWGenesis Clearing Corp.
                (incorporated by reference to Exhibit 2.1 to the Company's
                Current Report on Form 8-K filed with the Commission on April
                30, 1999).

        3(a)    Articles of Incorporation of JWGenesis (incorporated by
                reference to Exhibit 3.1 to JWGenesis' Registration Statement on
                Form S-4 (File No. 333-47693) filed with the Commission on April
                22, 1998 (the "Combination S-4")).

        3(b)    By-Laws, as amended, of JWGenesis (incorporated by reference to
                Exhibit 3(b) to the Company's Annual Report on Form 10-K for the
                year ended December 31, 1998).

        10(a)   Agreement for Securities Clearance Services between Corporate
                Securities Group, Inc. and Bear Stearns & Co., Inc.
                (incorporated by reference to Exhibit 10(d) to the Amendment to
                Application or Report on Form 8-K dated October 3, 1990) of
                JWCharles Financial Services, Inc. then known as Corporate
                Management Group, Inc., Commission No. 0-14772, the predecessor
                in interest of the Company (the "Predecessor").

        10(b)   Promissory Note and Loan Agreement between the Predecessor and
                Wilmington Trust Company dated January 19, 1996 (incorporated by
                reference to Exhibit 10(i) to the Predecessor's Annual Report on
                Form 10-K for the fiscal year ended December 31, 1995).

        10(c)   Amended and Restated Common Stock Purchase Warrant issued to W T
                Investments, Inc. dated February 27, 1998 (incorporated by
                reference to Item 10(f) of the Predecessor's Annual Report on
                Form 10-K for the year ended December 31, 1997).

        10(d)   Revolving Loan Agreement between the Predecessor and SunTrust
                Bank, South Florida, N.A. dated December 18, 1996 (incorporated
                by reference to Item 10(i) of the Predecessor's Annual Report on
                Form 10-K for the year ended December 31, 1996).

        10(e)   Common Stock Purchase Warrant issued to SunTrust Banks, Inc.
                dated August 26, 1996 (incorporated by reference to Item 10(m)
                of the Predecessor's Annual Report on Form 10-K for the year
                ended December 31, 1996).

                                       3
<PAGE>

 Exhibit Number       Description of Exhibit
 --------------       ----------------------


        10(f)   Equity Exchange and Conciliation Agreement by and Among the
                Company, Marshall T. Leeds, Joel E. Marks, JWGenesis Capital
                Markets, LLC, The Will K. Weinstein Revocable trust, Philip C.
                Stapleton, Will K. Weinstein, and other Members of the Stapleton
                Group dated March 3, 1999 (incorporated by reference to Exhibit
                2 to the Company's Current Report on Form 8-K filed with the
                Commission on March 18, 1999).

        10(g)   Transition Services Agreement, dated April 16, 1999 by and among
                the JWGenesis, Fiserv, Inc., Fiserv Clearing, Inc., JWGenesis
                Financial Services, Inc., and JWGenesis Clearing Corp.
                (incorporated by reference to Exhibit 2.1 to the Company's
                Current Report on Form 8-K filed with the Commission on June 15,
                1999).

        10(h)   Form of Fully Disclosed Correspondent Agreement dated June 1,
                1999 (incorporated by reference to Exhibit 2.1 to the Company's
                Current Report on Form 8-K filed with the Commission on June 15,
                1999).

        10(i)   Stockholders Agreement among JWGenesis, Woody Springs LLC and
                MVP.com, Inc., dated as of July 15, 1999 (incorporated by
                reference to Exhibit 10(c) to the Company's Current Report on
                Form 8-K filed with the Commission on August 13, 1999)..

        10(j)   Common Stock Purchase Warrant, fully vested, issued to GE
                Financial Assurance Holdings, Inc., dated September 15, 1999.

        21      Subsidiaries of the Registrant (incorporated by reference to
                Exhibit 21 to the Company's Annual Report on Form 10-K for the
                year ended December 31, 1998).

        23(a)   Consent of PricewaterhouseCoopers relating to Registration
                statements on Form S-8.

        23(b)   Consent of PricewaterhouseCoopers relating to Registration
                statements on Form S-3.

        99(a)   Amended and Restated Agreement and Plan of Combination, dated as
                March 9, 1998, among JWGFS, the Company, Genesis and the owners
                of all of the equity interests in Genesis (incorporated by
                reference to Exhibit 2.1 to the Combination S-4).

        99(b)   Employment Agreement between the Company and Marshall T. Leeds
                (incorporated by reference to Exhibit 10.1 to the Company's
                Quarterly Report on Form 10-Q for the quarter ended June 30,
                1998).

        99(c)   Employment Agreement between the Company and Joel E. Marks
                (incorporated by reference to Exhibit 10.2 to the Company's
                Quarterly Report on Form 10-Q for the quarter ended June 30,
                1998).

        99(d)   Employment Agreement between the Company and Gregg S. Glaser
                (incorporated by reference to Exhibit 99(e) to the Company's
                Registration Statement on Form S-4, Commission File No.
                33-66751).

                                       4
<PAGE>

 Exhibit Number       Description of Exhibit
 --------------       ----------------------

        99(e)   Employment Agreement between JWGenesis and John Elway, dated as
                of July 15, 1999 (incorporated by reference to Exhibit 10(b) to
                the Company's Current Report on Form 8-K filed with the
                Commission on August 13, 1999).

        99(f)   Stock Option Agreement between JWGenesis and John Elway, dated
                as of July 15, 1999 (incorporated by reference to Exhibit 10(c)
                to the Company's Current Report on Form 8-K filed with the
                Commission on August 13, 1999).

        99(g)   Nonsolicitation Agreement between the Company and Marshall T.
                Leeds (replacing an incorrect version thereof inadvertently
                filed as Exhibit 99(h) to the Company's 1998 Form 10-K; the
                previous filing is hereby deleted in its entirety).

        99(h)   Agreement to amend the Leeds Nonsolicitation Agreement.

        99(i)   Amendment to the Leeds Nonsolicitation Agreement.

        99(j)   Nonsolicitation Agreement between the Company and Joel E. Marks.

        99(k)   Agreement to amend the Marks Nonsolicitation Agreement.

        99(l)   Amendment to the Marks Nonsolicitation Agreement.

                                       5

<PAGE>

                                   SIGNATURES

        Pursuant to the requirements of Section 13 or 15(d) of the Securities
Exchange Act of 1934, the Registrant has caused this report to be signed on its
behalf by the undersigned, thereunto duly authorized.


Date: April 13, 2000                    JWGENESIS FINANCIAL CORP.
                                        -------------------------
                                              (Registrant)



                                        By:  /s/ Joel E. Marks
                                             --------------------------
                                             Joel E. Marks
                                             Chief Operating Officer,
                                             Secretary, and Director


        Pursuant to the requirements of the Securities Act of 1934, this report
has been signed by the following persons on behalf of the Registrant and in the
capacities indicated on the 13th day of April, 2000.

/s/ Marshall T. Leeds*
---------------------------------------
Marshall T. Leeds, Chairman, President
and Chief Executive Officer
(Principal Executive Officer) and Director

/s/ Joel E. Marks
---------------------------------------
Joel E. Marks, Chief Operating Officer,
Secretary, and Director

/s/ Gregg S. Glaser*
---------------------------------------
Gregg S. Glaser, Chief Financial
Officer (Principal Financial
and Accounting Officer) and Director

/s/ Jeffrey H. Lehman*
---------------------------------------
Jeffrey Lehman, Director

/s/ Wm. Dennis Ferguson*
---------------------------------------
Wm. Dennis Ferguson, Director

/s/ Sanford Cohen*
---------------------------------------
Sanford Cohen, Director


*By: /s/ Joel E. Marks
    -----------------------------------
    Joel E. Marks, as Attorney-In-Fact