UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             WASHINGTON, D.C. 20549

                                    FORM 13F

       INFORMATION REQUIRED OF INSTITUTIONAL INVESTMENT MANAGERS PURSUANT
  TO SECTION 13(f) OF THE SECURITIES EXCHANGE ACT OF 1934 AND RULES THEREUNDER

         Report for the Calendar Year or Quarter Ended June 30, 1999.
                                                       -------------

                (PLEASE READ INSTRUCTIONS BEFORE PREPARING FORM.)

If amended report, check here:  / /

White Mountains Insurance Group, Inc.
          (Formerly known as Fund American Enterprises Holdings, Inc.)
- --------------------------------------------------------------------------------

Name of Institutional Investment Manager

80 South Main Street                 Hanover         NH               03755-2053
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Business Address        (Street)     (City)        (State)               (Zip)

Michael S. Paquette     (603) 640-2205     Senior Vice President and Controller
- --------------------------------------------------------------------------------
Name, Phone No., and Title of Person Duly Authorized to Submit This Report.

                                    ATTENTION
INTENTIONAL MISSTATEMENTS OR OMISSIONS OF FACTS CONSTITUTE FEDERAL CRIMINAL
                                  VIOLATIONS.
                    SEE 18 U.S.C. 1001 AND 15 U.S.C. 78ff(a).

     The institutional investment manager submitting this Form and its
attachments are the person by whom it is signed represent hereby that all
information contained therein is true, correct and complete. It is understood
that all required items, statements and schedules are considered integral parts
of this Form and that the submission of any amendment represents that all
unamended items, statements and schedules remain true, correct and complete as
previously submitted.

     Pursuant to the requirements of Securities Exchange Act of 1934, the
undersigned institutional investment manager has caused

this report to be signed on its behalf in the City of        Hanover      and
                                                      -------------------

State of     New Hampshire      on the    12th
         ----------------------        -----------

day of         August,             1999.
       ----------------------    ---------

                                     White Mountains Insurance Group, Inc.
                                   -------------------------------------------
                                   (Name of Institutional Investment Manager)


                                   -------------------------------------------
                                   (Manual Signature of Person Duly Authorized
                                                    to Submit This Report)

Name and 13F file numbers of ALL Institutional Investment Managers with respect
to which this schedule is filled (other than the one filing this report): (LIST
IN ALPHABETICAL ORDER).

13F File Numbers will be assigned to Institutional Investment Managers after
they file their first report.


Name: 13F File No.: Name: 13F File No.: 1. Folksamerica Holding Company, Inc. 5. (see attached report for security listings) 2. White Mountains Holdings, Inc. 6. 3. White Mountains Properties, Inc. 7. 4. White Mountains Services Corp. 8.
FUND AMERICAN ENTERPRISES HOLDINGS, INC. FORM 13F FOR JUNE 30, 1999
- ------------------------------------------------------------------------------------------------------------------------------------ Investment Discretion Title CUSIP Fair Market Number of --------------------- Name of Issuer of class Number Value Shares Sole Shared Other Managers * - ------------------------------------------------------------------------------------------------------------------------------------ ACE Limited ORD G0070K103 5,394,874 190,969 x 4 AGL Resources, Inc. COM 001204106 829,688 45,000 x 3 ABB AB Sponsored ADR SPONSORED ADR 00256Q103 313,375 23,000 x ** 1 AlliedSignal, Inc. COM 019512102 655,200 10,400 x ** 1 Allmerica Financial Corp. COM 019754100 101,922 1,676 x 3 AMBAC Financial Group, Inc. COM 023139108 297,050 5,200 x 3 AMBAC Financial Group, Inc. COM 023139108 145,669 2,550 x ** 2 America Online, Inc. COM 02364J104 8,800,000 80,000 x ** 1 America Online, Inc. COM 02364J104 770,000 7,000 x 3 American Express Co. COM 025816109 728,700 5,600 x ** 1 American International Group, Inc. COM 026874107 1,758,750 15,000 x ** 1 Apple Computer, Inc. COM 037833100 287,138 6,200 x ** 1 Archstone Communities PFD SER A CV 039581202 30,750 1,000 x 3 Astrazeneca PLC SPONSORED ADR 046353108 246,881 6,300 x ** 1 Avery Dennison Corp. COM 053611109 83,559 1,384 x 3 BISYS Group, Inc. COM 055472104 813,150 13,900 x 3 BISYS Group, Inc. COM 055472104 351,000 6,000 x ** 2 BRE Properties, Inc. CL A 05564E106 624,000 24,000 x 3 Bank of Tokyo-Mitsubishi Ltd. SPONSORED ADR 065379109 218,438 15,000 x ** 1 Bank UTD Corp. CL A 065412108 25,599 637 x 3 Berkshire Hathaway Inc. CL A 084670108 6,890,000 100 x 3 Berkshire Hathaway Inc. CL B 084670207 786,240 351 x 3 Berkshire Hathaway Inc. CL B 084670207 94,080 42 x ** 2 (H & R) Block, Inc. COM 093671105 785,000 15,700 x 3 (H & R) Block, Inc. COM 093671105 295,000 5,900 x ** 2 Boeing Company COM 097023105 343,200 7,800 x ** 1 Bristol Meyers Squibb Co. COM 110122108 6,339,375 90,000 x ** 1 Cellular Communications of Puerto Rico, Inc. COM 15116N108 464,550 16,300 x 3 Chase Manhattan Corp. COM 16161A108 674,700 7,800 x ** 1 Citigroup, Inc. COM 172967101 4,898,438 103,125 x ** 1 Coca Cola Co. COM 191216100 558,000 9,000 x 3 Computer Associates International, Inc. COM 204912109 525,600 9,600 x ** 1 Dell Computer COM 247025109 10,360,000 280,000 x ** 1 Walt Disney Co. COM 254687106 6,193,313 201,000 x ** 1 Walt Disney Co. COM 254687106 218,769 7,100 x 3 Donaldson Lufkin & Jenrette COM 257661108 3,615,000 60,000 x ** 1 EMC Corporation COM 268648102 3,300,000 60,000 x ** 1 Equity Residential Properties SH BEN INT 29476L107 776,202 17,225 x 3 Federal Home Loan Mortgage Corp. COM 313400301 1,554,400 26,800 x 3 Federal National Mortgage Association COM 313586109 5,801,250 85,000 x ** 1 Federal National Mortgage Association COM 313586109 2,654,925 38,900 x 3 Financial Security Assurance Holdings Ltd. COM 31769P100 214,597,084 4,126,867 x 4 First Data Corporation COM 319963104 592,144 12,100 x 3 First Data Corporation COM 319963104 66,066 1,350 x ** 2 First Industrial Realty Trust COM 32054K103 617,344 22,500 x 3 Fleet Financial Group, Inc. COM 338915101 470,375 10,600 x ** 1 General Electric Co. COM 369604103 12,204,000 108,000 x ** 1 General Electric Co. COM 369604103 904,000 8,000 x 3 General Nutrition Companies, Inc. COM 37047F103 186,500 8,000 x ** 1 Gilette Company COM 375766102 4,305,000 105,000 x ** 1 Gulf Canada Resources Ltd. ORD 40218L305 102,326 24,436 x 3 HCC Insurance Holdings, Inc. COM 404132102 2,269 100 x ** 1
---------------------------- Voting Authority (Shares) --------------------------- Sole Shared None ---------------------------- ACE Limited 190,969 AGL Resources, Inc. 45,000 ABB AB Sponsored ADR 23,000 AlliedSignal, Inc. 10,400 Allmerica Financial Corp. 1,676 AMBAC Financial Group, Inc. 5,200 AMBAC Financial Group, Inc. 2,550 America Online, Inc. 80,000 America Online, Inc. 7,000 American Express Co. 5,600 American International Group, Inc. 15,000 Apple Computer, Inc. 6,200 Archstone Communities 1,000 Astrazeneca PLC 6,300 Avery Dennison Corp. 1,384 BISYS Group, Inc. 13,900 BISYS Group, Inc. 6,000 BRE Properties, Inc. 24,000 Bank of Tokyo-Mitsubishi Ltd. 15,000 Bank UTD Corp. 637 Berkshire Hathaway Inc. 100 Berkshire Hathaway Inc. 351 Berkshire Hathaway Inc. 42 (H & R) Block, Inc. 15,700 (H & R) Block, Inc. 5,900 Boeing Company 7,800 Bristol Meyers Squibb Co. 90,000 Cellular Communications of Puerto Rico, Inc. 16,300 Chase Manhattan Corp. 7,800 Citigroup, Inc. 103,125 Coca Cola Co. 9,000 Computer Associates International, Inc. 9,600 Dell Computer 280,000 Walt Disney Co. 201,000 Walt Disney Co. 7,100 Donaldson Lufkin & Jenrette 60,000 EMC Corporation 60,000 Equity Residential Properties 17,225 Federal Home Loan Mortgage Corp. 26,800 Federal National Mortgage Association 85,000 Federal National Mortgage Association 38,900 Financial Security Assurance Holdings Ltd. 4,126,867 First Data Corporation 12,100 First Data Corporation 1,350 First Industrial Realty Trust 22,500 Fleet Financial Group, Inc. 10,600 General Electric Co. 108,000 General Electric Co. 8,000 General Nutrition Companies, Inc. 8,000 Gilette Company 105,000 Gulf Canada Resources Ltd. 24,436 HCC Insurance Holdings, Inc. 100
Page 1 FUND AMERICAN ENTERPRISES HOLDINGS, INC. FORM 13F FOR JUNE 30, 1999
- ------------------------------------------------------------------------------------------------------------------------------------ Investment Discretion Title CUSIP Fair Market Number of --------------------- Name of Issuer of class Number Value Shares Sole Shared Other Managers * - ------------------------------------------------------------------------------------------------------------------------------------ Healthsouth Corp. COM 421924101 75,238 5,058 x 3 Hershey Foods Corp. COM 427866108 486,875 8,200 x ** 1 Highwoods Properties, Inc. COM 431284108 521,313 19,000 x 3 Home Depot, Inc. COM 437076102 1,963,411 30,470 x 3 Honda Motor Ltd. AMERN SHS 438128308 511,825 5,900 x ** 1 INMC Mortgage Holdings, Inc. COM 44977L100 305,600 19,100 x 3 Intel Corp. COM 458140100 8,806,000 148,000 x ** 1 Intel Corp. COM 458140100 130,900 2,200 x 3 Intergraph Corp. COM 458683109 14,438 1,863 x 3 Interstate Bakeries Corp. COM 46072H108 2,243,750 100,000 x ** 1 Intuit, Inc. COM 461202103 1,108,538 12,300 x 3 Johnson & Johnson, Inc. COM 478160104 833,000 8,500 x 3 KeyCorp COM 493267108 289,125 9,000 x ** 1 Laclede Gas Co. COM 505588103 197,625 8,500 x 3 LaSalle Re Holdings Ltd. ORD G5383Q101 309,400 18,200 x 3 Eli Lilly & Co. COM 532457108 4,727,250 66,000 x ** 1 Loral Space & Communication COM G56462107 2,070,000 115,000 x ** 1 MCN Energy Group, Inc. COM 55267J100 249,000 12,000 x 3 Marsh & McLennan Cos., Inc. COM 571748102 544,950 7,200 x 3 Marsh & McLennan Cos., Inc. COM 571748102 75,688 1,000 x ** 2 Meditrust Corp. PAIRED CTF NEW 58501T306 320,240 24,516 x 3 Merry Land & Investment Company, Inc. COM 590438107 8,023 1,625 x 3 Microsoft Corp. COM 594918104 8,116,875 90,000 x ** 1 Midway Airlines Corp. COM 598126100 97,375 9,500 x ** 1 Monsanto Co. COM 611662107 280,894 7,100 x ** 1 News Corp. Ltd. ADR NEW 652487703 522,625 14,800 x ** 1 Nordstrom, Inc. COM 655664100 3,350,000 100,000 x ** 1 PartnerRe Limited COM G6852T105 1,162,363 31,100 x 3 PartnerRe Limited COM G6852T105 48,588 1,300 x ** 2 Pfizer, Inc. COM 717081103 2,180,000 20,000 x ** 1 Philip Morris Companies COM 718154107 3,243,132 80,100 x ** 1 Philip Morris Companies COM 718154107 401,875 10,600 x 3 Provident Cos., Inc. COM 743862104 260,000 6,500 x 3 Provident Cos., Inc. COM 743862104 48,000 1,200 x ** 2 Reuters Group PLC SPONSORED ADR 76132M102 632,206 7,799 x ** 1 Ross Stores COM 778296103 2,518,750 50,000 x ** 1 Safeskin Corp. COM 786454108 756,000 63,000 x ** 1 Safeskin Corp. COM 786454108 309,600 25,800 x 3 San Juan Basin Royalty Trust UNIT BEN INT 798241105 30,150,868 3,710,876 x 3 Sara Lee Corp. COM 803111103 326,700 14,400 x 3 Schering Plough Corp. COM 806605101 7,103,250 135,300 x ** 1 Schering Plough Corp. COM 806605101 771,750 14,700 x 3 Sears Roebuck & Co. COM 812387108 133,688 3,000 x ** 1 Security Capital Group B, Inc. CL B 81413P204 33,960 2,332 x 3 Shaw Communications, Inc. Cl B Conv. CL B CONV 82028K200 180,266 4,535 x 3 Shurgard Storage Centers, Inc. COM 82567D104 669,988 24,700 x 3 J.M. Smucker Co. Class A CL A 832696108 59,764 2,686 x 3 J.M. Smucker Co. Class B CL B 832696207 68,153 3,587 x 3 Superior National Insurance Group, Inc. COM 868224106 953,750 35,000 x 3 Superior National Insurance Group, Inc. COM 868224106 103,550 3,800 x ** 2 Telefonos de Mexico SPNS ADR ORD L 879403780 210,113 2,600 x ** 1 Terra Nova (Bermuda) Holdings Ltd. ORD CL A G87615103 381,166 14,150 x 3
---------------------------- Voting Authority (Shares) --------------------------- Sole Shared None ---------------------------- Healthsouth Corp. 5,058 Hershey Foods Corp. 8,200 Highwoods Properties, Inc. 19,000 Home Depot, Inc. 30,470 Honda Motor Ltd. 5,900 INMC Mortgage Holdings, Inc. 19,100 Intel Corp. 148,000 Intel Corp. 2,200 Intergraph Corp. 1,863 Interstate Bakeries Corp. 100,000 Intuit, Inc. 12,300 Johnson & Johnson, Inc. 8,500 KeyCorp 9,000 Laclede Gas Co. 8,500 LaSalle Re Holdings Ltd. 18,200 Eli Lilly & Co. 66,000 Loral Space & Communication 115,000 MCN Energy Group, Inc. 12,000 Marsh & McLennan Cos., Inc. 7,200 Marsh & McLennan Cos., Inc. 1,000 Meditrust Corp. 24,516 Merry Land & Investment Company, Inc. 1,625 Microsoft Corp. 90,000 Midway Airlines Corp. 9,500 Monsanto Co. 7,100 News Corp. Ltd. 14,800 Nordstrom, Inc. 100,000 PartnerRe Limited 31,100 PartnerRe Limited 1,300 Pfizer, Inc. 20,000 Philip Morris Companies 80,100 Philip Morris Companies 10,600 Provident Cos., Inc. 6,500 Provident Cos., Inc. 1,200 Reuters Group PLC 7,799 Ross Stores 50,000 Safeskin Corp. 63,000 Safeskin Corp. 25,800 San Juan Basin Royalty Trust 3,710,876 Sara Lee Corp. 14,400 Schering Plough Corp. 135,300 Schering Plough Corp. 14,700 Sears Roebuck & Co. 3,000 Security Capital Group B, Inc. 2,332 Shaw Communications, Inc. Cl B Conv. 4,535 Shurgard Storage Centers, Inc. 24,700 J.M. Smucker Co. Class A 2,686 J.M. Smucker Co. Class B 3,587 Superior National Insurance Group, Inc. 35,000 Superior National Insurance Group, Inc. 3,800 Telefonos de Mexico 2,600 Terra Nova (Bermuda) Holdings Ltd. 14,150
Page 2 FUND AMERICAN ENTERPRISES HOLDINGS, INC. FORM 13F FOR JUNE 30, 1999
- ------------------------------------------------------------------------------------------------------------------------------------ Investment Discretion Title CUSIP Fair Market Number of --------------------- Name of Issuer of class Number Value Shares Sole Shared Other Managers * - ------------------------------------------------------------------------------------------------------------------------------------ Terra Nova (Bermuda) Holdings Ltd. ORD CL A G87615103 105,595 3,920 x ** 2 UCAR International, Inc. COM 90262K109 246,642 9,768 x 3 Waddell & Reed Financial, Inc. CL A 930059100 794,379 28,821 x 3 Waddell & Reed Financial, Inc. CL A 930059100 82,688 3,000 x ** 2 Wal Mart Stores, Inc. COM 931142103 5,645,250 117,000 x ** 1 Wal Mart Stores, Inc. COM 931142103 135,100 2,800 x 3 Wells Fargo & Co. COM 949746101 2,992,500 70,000 x ** 1 XL Capital Ltd. CL A G98255105 848,348 15,015 x 3 --------------- GRAND TOTAL $ 415,368,833 --------------- ---------------
---------------------------- Voting Authority (Shares) --------------------------- Sole Shared None ---------------------------- Terra Nova (Bermuda) Holdings Ltd. 3,920 UCAR International, Inc. 9,768 Waddell & Reed Financial, Inc. 28,821 Waddell & Reed Financial, Inc. 3,000 Wal Mart Stores, Inc. 117,000 Wal Mart Stores, Inc. 2,800 Wells Fargo & Co. 70,000 XL Capital Ltd. 15,015
* Managers - ----------- 1 = Folksamerica Holding Company, Inc. (FORM 13F filed separately) 2 = White Mountains Holdings, Inc. (FORM 13F filed separately) 3 = White Mountains Properties, Inc. (FORM 13F filed separately) 4 = White Mountains Services Corporation (FORM 13F filed separately) ** Investment discretion shared with indirect wholly owned insurance subsidiaries Page 3