UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter: September 30, 2010 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: Markel Corporation Address: 4521 Highwoods Pkwy Glen Allen, VA 23060 Form 13F File Number: 28-6647 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 herein 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: Thomas S. Gayner Title: President and Chief Investment Officer Phone: 804-527-3806 Signature, Place, and Date of Signing: /s/ Thomas S. Gayner Richmond, VA 11/12/2010 -------------------------- ------------------------- ------------------------- [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).) Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 Form 13F Information Table Entry Total: 113 Form 13F Information Table Value Total: $1,673,983 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) 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 28-6056 Markel Gayner Asset Management Corporation FORM 13F INFORMATION TABLE VOTING AUTHORITY TITLE OF VALUE SHARES/ SH/ PUT/ INVSTMT OTHER -------------------------- NAME OF ISSUER CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ -------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- 3M Company COM 88579y101 2601 30000 SH SOLE 30000 10371 119600 SH DEFINED 01 116000 3600 Abbott Laboratories COM 002824100 3657 70000 SH DEFINED 01 69000 1000 Accenture COM G1151C101 425 10000 SH SOLE 10000 4750 111800 SH DEFINED 01 100000 11800 Air Products & Chemicals COM 009158106 464 5600 SH DEFINED 01 5600 Alleghany Corporation COM 017175100 1286 4244 SH SOLE 4244 Altria COM 02209S103 2803 116700 SH DEFINED 01 114500 2200 American Express COM 025816109 420 10000 SH SOLE 10000 16313 388124 SH DEFINED 01 339000 49124 Anheuser-Busch Inbev ADR COM 03524A108 7872 134000 SH DEFINED 01 134000 Automatic Data Processing COM 053015103 18279 434900 SH DEFINED 01 422700 12200 Bank of New York Mellon Corp COM 064058100 79 3019 SH SOLE 3019 5830 223130 SH DEFINED 01 204907 18223 Berkshire Hathaway Class B COM 084670702 31840 385100 SH SOLE 385100 97872 1183740 SH DEFINED 01 1114900 68840 Berkshire Hathaway, Inc. COM 084670108 34237 275 SH SOLE 275 77314 621 SH DEFINED 01 585 36 Brookfield Asset Management COM 112585104 8511 300000 SH SOLE 300000 79467 2801077 SH DEFINED 01 2595548 205529 Brown & Brown COM 115236101 3634 180000 SH SOLE 180000 3748 185628 SH DEFINED 01 185628 Brown Forman Class A COM 115637100 17468 283760 SH DEFINED 01 281000 2760 Brown-Forman Class B COM 115637209 4371 70915 SH DEFINED 01 70250 665 Calumet COM 131476103 197 10000 SH SOLE 10000 310 15700 SH DEFINED 01 15000 700 Page 1 Campbell Soup Co COM 134429109 2660 74400 SH DEFINED 01 70000 4400 Carmax COM 143130102 4458 160000 SH SOLE 160000 142261 5106299 SH DEFINED 01 4803070 303229 Caterpillar Inc COM 149123101 19300 245300 SH DEFINED 01 239000 6300 Charles Schwab COM 808513105 11802 849100 SH DEFINED 01 790000 59100 Coca Cola Co COM 191216100 3816 65200 SH DEFINED 01 60000 5200 Comcast COM 20030N101 195 10800 SH DEFINED 01 10800 Costco COM 22160K105 322 5000 SH SOLE 5000 2289 35500 SH DEFINED 01 34000 1500 DENTSPLY COM 249030107 1132 35400 SH DEFINED 01 35000 400 Diageo PLC COM 25243Q205 22670 328500 SH SOLE 328500 63943 926571 SH DEFINED 01 861500 65071 Disney COM 254687106 6620 200000 SH SOLE 200000 42659 1288789 SH DEFINED 01 1202500 86289 EOG Resources, Inc. COM 26875p101 3626 39000 SH DEFINED 01 39000 Emerson Electric COM 291011104 9184 174400 SH DEFINED 01 158000 16400 Enterprise GP Holdings COM 293716106 587 10000 SH SOLE 10000 9231 157200 SH DEFINED 01 150000 7200 Exxon Corporation COM 30231G102 12346 199800 SH SOLE 199800 27215 440446 SH DEFINED 01 403000 37446 Fairfax Financial Holdings Ltd COM 303901102 113771 279459 SH SOLE 279459 Federated Investors COM 314211103 228 10000 SH SOLE 10000 4950 217500 SH DEFINED 01 216000 1500 Fidelity National Financial COM 31620R105 7366 468850 SH SOLE 468850 20184 1284815 SH DEFINED 01 1194150 90665 Forest City Enterprises Class COM 345550107 248 19367 SH DEFINED 01 19367 Fortune Brands COM 349631101 2260 45900 SH DEFINED 01 45000 900 General Dynamics COM 369550108 24510 390218 SH DEFINED 01 370000 20218 General Electric COM 369604103 4794 295000 SH SOLE 295000 54334 3343649 SH DEFINED 01 3160000 183649 Heritage Crystal Clean Inc COM 42726M106 2383 239500 SH DEFINED 01 239500 Home Depot COM 437076102 634 20000 SH SOLE 20000 Page 2 30007 947199 SH DEFINED 01 900000 47199 ITC Holdings Corp COM 465685105 10782 173200 SH DEFINED 01 173000 200 Illinois Tool Works COM 452308109 11423 242949 SH DEFINED 01 220000 22949 Intel COM 458140100 1152 60000 SH SOLE 60000 3705 192992 SH DEFINED 01 170000 22992 International Business Machine COM 459200101 1341 10000 SH SOLE 10000 1408 10500 SH DEFINED 01 10000 500 International Game Technology COM 459902102 3612 250000 SH SOLE 250000 13001 899734 SH DEFINED 01 820000 79734 Investors Title Company COM 461804106 7458 228850 SH DEFINED 01 213300 15550 Johnson and Johnson COM 478160104 17349 280000 SH SOLE 280000 17206 277695 SH DEFINED 01 262200 15495 Leucadia National Corp COM 527288104 13898 588400 SH DEFINED 01 575000 13400 Lowes COM 548661107 2118 95000 SH SOLE 95000 4777 214300 SH DEFINED 01 170000 44300 Marriott International COM 571903202 6520 181965 SH SOLE 181965 44371 1238387 SH DEFINED 01 1101907 136480 McDonalds COM 580135101 14362 192753 SH DEFINED 01 181000 11753 Microsoft COM 594918104 2505 102290 SH DEFINED 01 90000 12290 National Oilwell COM 637071101 3647 82000 SH DEFINED 01 82000 Nestle ADR COM 641069406 5364 100100 SH DEFINED 01 100000 100 Nike COM 654106103 4023 50200 SH DEFINED 01 50000 200 Northern Trust Corp COM 665859104 6754 140000 SH DEFINED 01 140000 Novo-Nordisk A/S COM 670100205 22725 230850 SH DEFINED 01 215000 15850 NuStar GP Holdings COM 67059L102 19853 585300 SH DEFINED 01 576500 8800 Patterson Companies Inc. COM 703395103 3982 139000 SH DEFINED 01 135000 4000 Paychex COM 704326107 1399 50900 SH DEFINED 01 50000 900 Pepsico COM 713448108 4451 67000 SH DEFINED 01 66300 700 Philip Morris International COM 718172109 6538 116700 SH DEFINED 01 114500 2200 Plum Creek Lumber MLP COM 729251108 5295 150000 SH SOLE 150000 7240 205100 SH DEFINED 01 200000 5100 Page 3 Pool Corp COM 73278L105 1907 95000 SH DEFINED 01 95000 Prepaid Legal Services COM 740065107 937 15000 SH DEFINED 01 15000 Procter & Gamble COM 742718109 3802 63400 SH DEFINED 01 62000 1400 RLI Corporation COM 749607107 34972 617666 SH DEFINED 01 598636 19030 Schlumberger COM 806857108 4085 66300 SH DEFINED 01 65000 1300 State Street Corp COM 857477103 1521 40400 SH DEFINED 01 40400 Sysco Corp COM 871829107 2424 85000 SH SOLE 85000 20536 720072 SH DEFINED 01 640000 80072 T.Rowe Price COM 74144T108 551 11000 SH SOLE 11000 9237 184500 SH DEFINED 01 184000 500 Teva Pharmaceuticals COM 881624209 4721 89500 SH DEFINED 01 84000 5500 Union First Market Bankshares COM 90662P104 45774 3504920 SH SOLE 3504920 United Parcel Service COM 911312106 4636 69520 SH SOLE 69520 42444 636438 SH DEFINED 01 583480 52958 W.P. Carey COM 92930Y107 1303 45000 SH SOLE 45000 26631 919900 SH DEFINED 01 905200 14700 Wal-Mart Stores COM 931142103 6231 116425 SH SOLE 116425 43692 816370 SH DEFINED 01 743575 72795 Walgreen COM 931422109 7439 222060 SH DEFINED 01 220000 2060 Washington Post Co COM 939640108 2157 5400 SH DEFINED 01 5200 200 Washington Real Estate Investm COM 939653101 12929 407475 SH DEFINED 01 390300 17175 White Mountains COM G9618E107 10320 33456 SH SOLE 33456 14829 48074 SH DEFINED 01 48074 Level 3 Communications CONV 52729NBM1 16537 15000000 PRN SOLE 15000000 ------------------------------------------------------------------------------------------------------------------------------- REPORT SUMMARY 113 DATA RECORDS 1673983 1 OTHER MANAGERS ON WHOSE BEHALF REPORT IS FILED. Page 4