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UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 FORM 13F FORM 13F COVER PAGE 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, 2000. ------- Check here if Amendment; / / Amendment Number: This Amendment (Check only one): / / is a restatement. / / adds new holdings entries. Institutional Investment Manager Filing this Report: Name: White Mountains Insurance Group, Ltd. Address of Principal Executive Office: 80 South Main Street Hanover, New Hampshire 03755-2053 U.S.A. Form 13F File Number: 028-01681 The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained therein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form. Person Signing this Report on Behalf of Reporting Manager: Name: Michael S. Paquette Title: Senior Vice President and Controller Phone: (603) 640-2205 Signature, Place, and Date of Signing: /s/ Michael S. Paquette Hanover, New Hampshire August 14, 2000 - -------------------------- ---------------------- --------------- [Signature] [City, State] [Date] Report Type (Check only one): [X] 13F HOLDINGS REPORT. (Check here if all holdings of this reporting manager are reported in this report.) [ ] 13F NOTICE. (Check here if no holdings reported are in this report, and all holdings are reported by other reporting manager(s).) [ ] 13F COMBINATION REPORT. Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).) List of Other Managers Reporting for this Manager: Form 13F File Number Name - - None FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 ----------------- Form 13F Information Table Entry Total: 63 ITEMS ----------------- Form 13F Information Table Value Total: $727,080,152 ----------------- List of Other Included Managers: Provide a numbered list of the names and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report. No. Form 13F File Number Name 1. 028-07388 Folksamerica Holding Company, Inc. --------- ---------------------------------- WHITE MOUNTAINS INSURANCE GROUP, LTD. FORM 13F INFORMATION TABLE - JUNE 30, 2000 * 1 = Folksamerica Holding Company, Inc. (FORM 13F filed separately) 2 = White Mountains Insurance Group, Ltd.
--------------------------------------------------------------------------------------------------------------------- Title CUSIP Market Amount and Name of Issuer of class Number Value Type of Security --------------------------------------------------------------------------------------------------------------------- 1 Aetna Inc. COM 008117-10-3 381,916 5,950 SH 2 Affiliated Computer CL A 008190-10-0 224,825 6,800 SH 3 Alleghany Corp COM 017175-10-0 378,000 2,250 SH 4 Ambac Inc. COM 023139-10-8 424,797 7,750 SH 5 America Online, Inc. COM 02364J-10-4 1,791,375 34,000 SH 6 American Express Company COM 025816-10-9 119,888 2,300 SH 7 American International Group COM 026874-10-7 3,378,125 28,750 SH 8 Amgen Inc. COM 031162-10-0 5,268,750 75,000 SH 9 Aon Corp. COM 037389-10-3 462,831 14,900 SH 10 Berkley, W.R. Corp COM 084423-10-2 110,625 5,900 SH 11 Berkshire Hathaway Inc. CL A 084670-10-8 20,713,000 385 SH 12 Berkshire Hathaway Inc. CL A 084670-10-8 5,380,000 100 SH 13 Berkshire Hathaway, Inc. CL B 084670-20-7 18,201,920 10,342 SH 14 Bisys Group COM 055472-10-4 155,595 2,530 SH 15 Bristol Myers Squibb Co. COM 110122-10-8 2,796,000 48,000 SH 16 Carnival Corp. COM 143658-10-2 382,200 19,600 SH 17 Cisco Systems COM 17275R-10-2 7,087,219 111,500 SH 18 Citigroup Inc. COM 172967-10-1 4,820,000 80,000 SH 19 CNA Financial Corp. COM 126117-10-0 567,800 16,700 SH 20 Coca Cola Corp COM 191216-10-0 1,665,688 29,000 SH 21 Concord EFS Inc. COM 206197-10-5 208,000 8,000 SH 22 Costco COM 22160K-10-5 1,980,000 60,000 SH 23 Dell Computer Corp. COM 247025-10-9 4,438,125 90,000 SH 24 Dexia Ords (Belgium Listing) COM 990000-4S-7 26,523,788 180,000 SH 25 EMC Corporation COM 268648-10-2 7,693,750 100,000 SH 26 Federal National Mortgage Assn. COM 313586-10-9 714,969 13,700 SH 27 Fidelity National Financial, Inc. COM 316326-10-7 6,885,500 376,000 SH 28 Financial Security Assurance Holdings, Ltd. COM 31769P-10-0 526,824,102 6,943,316 SH 29 First Data Corp. COM 319963-10-4 568,206 11,450 SH 30 General Electric Co. COM 369604-10-3 6,042,000 114,000 SH 31 Gillette Company COM 375766-10-2 3,668,438 105,000 SH 32 Home Depot Inc. COM 437076-10-2 3,840,194 76,900 SH 33 IMS Health COM 449934-10-8 363,600 20,200 SH 34 Intel Corp. COM 458140-10-0 5,347,500 40,000 SH 35 Intuit Inc. COM 461202-10-3 910,250 22,000 SH 36 Jefferson Pilot Corp. COM 475070-10-8 366,844 6,500 SH 37 John Hancock Financials COM 41014S-10-6 746,156 31,500 SH 38 Johnson & Johnson COM 478160-10-4 4,890,000 48,000 SH 39 Lasalle Re Holdings Ltd. ORD G5383Q-10-1 156,630 11,040 SH 40 Lexmark International CL A 529771-10-7 2,387,375 35,500 SH 41 Liberty Financial Co. COM 530512-10-2 228,150 10,400 SH 42 Loral Space & Communications Ltd COM G56462-10-7 520,313 75,000 SH 43 Lucent Technologies Inc. COM 549463-10-7 2,755,125 46,500 SH 44 Marsh & McLennan Inc. COM 571748-10-2 657,956 6,300 SH 45 MCI Worldcom, Inc. COM 55268B-10-6 3,325,938 72,500 SH 46 Microsoft Corp COM 594918-10-4 2,160,000 27,000 SH 47 Motorola COM 620076-10-9 2,615,625 90,000 SH 48 Nordstrom Inc. COM 655664-10-0 1,206,250 50,000 SH 49 Ohio Cas Corp. COM 677240-10-3 113,263 10,660 SH 50 Partner Re Ltd. COM G6852T-10-5 439,425 12,400 SH 51 Pfizer Inc. COM 717081-10-3 2,880,000 60,000 SH 52 PXRE Group COM G73018-10-6 189,000 14,000 SH 53 PXRE Group COM G73018-10-6 4,733,100 350,600 SH 54 Qualcomm, Inc. COM 747525-10-3 1,500,000 25,000 SH 55 Renaissance Re Holding Ltd COM G7496G-10-3 535,819 12,300 SH 56 Safeco Corp. COM 786429-10-0 196,763 9,900 SH 57 Schering-Plough Corp. COM 806605-10-1 3,772,350 74,700 SH 58 Torchmark Corp. COM 891027-10-4 291,313 11,800 SH 59 Vesta Insurance Group, Inc. COM 925391-10-4 12,964,064 2,057,788 SH 60 Waddell & Reed Financial Inc. CL A 930059-10-0 545,672 16,630 SH 61 Wal-Mart Stores, Inc. COM 931142-10-3 3,042,600 52,800 SH 62 Walt Disney Co. COM DISNEY 254687-10-6 2,988,563 77,000 SH 63 XL Capital Ltd. CL A G98255-10-5 552,887 10,215 SH ----------------------------- $727,080,152 11,968,356 -------------------------------------------------------------------------------------------------------------------- Voting Authority (Shares) Investment ------------------------------------------- Name of Issuer Discretion Managers * Sole Shared None -------------------------------------------------------------------------------------------------------------------- 1 Aetna Inc. DEFINED 1,2 5,950 2 Affiliated Computer DEFINED 1,2 6,800 3 Alleghany Corp DEFINED 1,2 2,250 4 Ambac Inc. DEFINED 1,2 7,750 5 America Online, Inc. DEFINED 1,2 34,000 6 American Express Company DEFINED 1,2 2,300 7 American International Group DEFINED 1,2 28,750 8 Amgen Inc. DEFINED 1,2 75,000 9 Aon Corp. DEFINED 1,2 14,900 10 Berkley, W.R. Corp DEFINED 1,2 5,900 11 Berkshire Hathaway Inc. DEFINED 1,2 385 12 Berkshire Hathaway Inc. SOLE 2 100 13 Berkshire Hathaway, Inc. DEFINED 1,2 10,342 14 Bisys Group DEFINED 1,2 2,530 15 Bristol Myers Squibb Co. DEFINED 1,2 48,000 16 Carnival Corp. DEFINED 1,2 19,600 17 Cisco Systems DEFINED 1,2 111,500 18 Citigroup Inc. DEFINED 1,2 80,000 19 CNA Financial Corp. DEFINED 1,2 16,700 20 Coca Cola Corp DEFINED 1,2 29,000 21 Concord EFS Inc. DEFINED 1,2 8,000 22 Costco DEFINED 1,2 60,000 23 Dell Computer Corp. DEFINED 1,2 90,000 24 Dexia Ords (Belgium Listing) DEFINED 1,2 180,000 25 EMC Corporation DEFINED 1,2 100,000 26 Federal National Mortgage Assn. DEFINED 1,2 13,700 27 Fidelity National Financial, Inc. DEFINED 1,2 376,000 28 Financial Security Assurance Holdings, Ltd. SOLE 2 6,943,316 29 First Data Corp. DEFINED 1,2 11,450 30 General Electric Co. DEFINED 1,2 114,000 31 Gillette Company DEFINED 1,2 105,000 32 Home Depot Inc. DEFINED 1,2 76,900 33 IMS Health DEFINED 1,2 20,200 34 Intel Corp. DEFINED 1,2 40,000 35 Intuit Inc. DEFINED 1,2 22,000 36 Jefferson Pilot Corp. DEFINED 1,2 6,500 37 John Hancock Financials DEFINED 1,2 31,500 38 Johnson & Johnson DEFINED 1,2 48,000 39 Lasalle Re Holdings Ltd. DEFINED 1,2 11,040 40 Lexmark International DEFINED 1,2 35,500 41 Liberty Financial Co. DEFINED 1,2 10,400 42 Loral Space & Communications Ltd DEFINED 1,2 75,000 43 Lucent Technologies Inc. DEFINED 1,2 46,500 44 Marsh & McLennan Inc. DEFINED 1,2 6,300 45 MCI Worldcom, Inc. DEFINED 1,2 72,500 46 Microsoft Corp DEFINED 1,2 27,000 47 Motorola DEFINED 1,2 90,000 48 Nordstrom Inc. DEFINED 1,2 50,000 49 Ohio Cas Corp. DEFINED 1,2 10,660 50 Partner Re Ltd. DEFINED 1,2 12,400 51 Pfizer Inc. DEFINED 1,2 60,000 52 PXRE Group DEFINED 1,2 14,000 53 PXRE Group SOLE 2 350,600 54 Qualcomm, Inc. DEFINED 1,2 25,000 55 Renaissance Re Holding Ltd DEFINED 1,2 12,300 56 Safeco Corp. DEFINED 1,2 9,900 57 Schering-Plough Corp. DEFINED 1,2 74,700 58 Torchmark Corp. DEFINED 1,2 11,800 59 Vesta Insurance Group, Inc. DEFINED 1,2 2,057,788 60 Waddell & Reed Financial Inc. DEFINED 1,2 16,630 61 Wal-Mart Stores, Inc. DEFINED 1,2 52,800 62 Walt Disney Co. DEFINED 1,2 77,000 63 XL Capital Ltd. DEFINED 1,2 10,215