UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Form 13F Form 13F COVER PAGE Report for the Calendar Year or Quarter: March 31, 2011 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 5/16/2011 -------------------------- ------------------------- ------------------------- [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).) 1 Form 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 Form 13F Information Table Entry Total: 114 Form 13F Information Table Value Total: $1,845,910 (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 VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- 3M Company COM 88579y101 2805 30000 SH SOLE 30000 11949 127800 SH DEFINED 01 124000 3800 Abbott Laboratories COM 002824100 4341 88500 SH DEFINED 01 87500 1000 Accenture COM G1151C101 550 10000 SH SOLE 10000 6124 111400 SH DEFINED 01 100000 11400 Air Products & Chemicals COM 009158106 469 5200 SH DEFINED 01 5200 Alleghany Corporation COM 017175100 1405 4244 SH SOLE 4244 Altria COM 02209S103 3038 116700 SH DEFINED 01 114500 2200 American Express COM 025816109 452 10000 SH SOLE 10000 17495 387059 SH DEFINED 01 339000 48059 Anheuser-Busch Inbev ADR COM 03524A108 16339 285800 SH DEFINED 01 269000 16800 Automatic Data Processing COM 053015103 23998 467700 SH DEFINED 01 454700 13000 Bank of New York Mellon Corp COM 064058100 90 3019 SH SOLE 3019 6964 233130 SH DEFINED 01 214907 18223 Berkshire Hathaway Class B COM 084670702 40569 485100 SH SOLE 485100 91470 1093747 SH DEFINED 01 1026507 67240 Berkshire Hathaway, Inc. 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COM 26875p101 9990 84300 SH DEFINED 01 83500 800 Emerson Electric COM 291011104 10190 174400 SH DEFINED 01 158000 16400 Enterprise Products Lmtd Ptnsh COM 293792107 646 15000 SH SOLE 15000 10110 234800 SH DEFINED 01 225000 9800 Exxon Corporation COM 30231G102 16809 199800 SH SOLE 199800 44132 524573 SH DEFINED 01 475000 49573 Fairfax Financial Holdings Ltd COM 303901102 100915 267104 SH SOLE 267104 4668 12355 SH DEFINED 01 12355 Federated Investors COM 314211103 267 10000 SH SOLE 10000 6326 236500 SH DEFINED 01 235000 1500 Fidelity National Financial COM 31620R105 24723 1749679 SH DEFINED 01 1663000 86679 Forest City Enterprises Class COM 345550107 215 11400 SH DEFINED 01 11400 General Dynamics COM 369550108 29849 389879 SH DEFINED 01 370000 19879 General Electric COM 369604103 27317 1362450 SH SOLE 1362450 22233 1108898 SH DEFINED 01 942550 166348 Heritage Crystal Clean Inc COM 42726M106 3413 239500 SH DEFINED 01 239500 Home Depot COM 437076102 741 20000 SH SOLE 20000 35089 946805 SH DEFINED 01 900000 46805 ITC Holdings Corp COM 465685105 12107 173200 SH DEFINED 01 173000 200 Illinois Tool Works COM 452308109 13584 252859 SH DEFINED 01 230000 22859 Intel COM 458140100 1211 60000 SH SOLE 60000 4096 202992 SH DEFINED 01 180000 22992 International Business Machine COM 459200101 1631 10000 SH SOLE 10000 1712 10500 SH DEFINED 01 10000 500 International Game Technology COM 459902102 4057 250000 SH SOLE 250000 14530 895237 SH DEFINED 01 820000 75237 Investors Title Company COM 461804106 7277 228850 SH DEFINED 01 213300 15550 Johnson and Johnson COM 478160104 16590 280000 SH SOLE 280000 16951 286095 SH DEFINED 01 271700 14395 Kimberly Clark Corp COM 494368103 927 14200 SH DEFINED 01 14000 200 Leucadia National Corp COM 527288104 22089 588400 SH DEFINED 01 575000 13400 Lowes COM 548661107 2511 95000 SH SOLE 95000 6740 255000 SH DEFINED 01 210000 45000 Marriott International COM 571903202 6474 181965 SH SOLE 181965 43955 1235378 SH DEFINED 01 1101907 133471 McDonalds COM 580135101 14636 192355 SH DEFINED 01 181000 11355 Microsoft Corp COM 594918104 7464 293990 SH DEFINED 01 274000 19990 National Oilwell COM 637071101 6738 85000 SH DEFINED 01 85000 Nike COM 654106103 3800 50200 SH DEFINED 01 50000 200 Northern Trust Corp COM 665859104 7105 140000 SH DEFINED 01 140000 Novo-Nordisk A/S COM 670100205 28759 229650 SH DEFINED 01 215000 14650 NuStar GP Holdings COM 67059L102 21334 585300 SH DEFINED 01 576500 8800 Patterson Companies Inc. 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