UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 13F FORM 13F COVER PAGE Report for the Calendar Year or Quarter Ended: March 31, 2013 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: Alleghany Corporation Address: 7 Times Square Tower, 17th Floor New York, NY 10036 Form 13F File Number: 28-1590 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: Roger B. Gorham Title: Senior Vice President Phone: 212-752-1356 Signature, Place, and Date of Signing: /s/ Roger B. Gorham New York, NY 05/13/13 ----------------------- ------------------------------- -------------------- [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: 4 ----------- Form 13F Information Table Entry Total: 64 ----------- Form 13F Information Table Value Total: $1,891,617 ----------- (thousands) List of Other Included Managers: No. Form 13F File Number Name 2 28-10508 RSUI Indemnity Company 3 28-06459 Alleghany Insurance Holdings LLC 4 28-12262 Capitol Indemnity Corporation 5 28-15020 Transatlantic Reinsurance Company SECURITIES AND EXCHANGE COMMISSIONS FORM 13F INFORMATION PREPARED FOR ALLEGHANY CORPORATION AS OF 3/31/13 COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ---------------------------- ---------- --------- -------- ------------------ ---------------------------- -------- --------------- INVESTMENT VOTING NAME OF ISSUER TITLE OF CUSIP MARKET SHRS OR SH/ PUT/ DISCRETION OTHER AUTHORITY CLASS VALUE PRIN AMT PRN CALL SOLE SHRD-DEFINED SHRD-OTHER MANAGERS SOLE SHRD NONE (X 1000) (A) (B) (C) (A) (B) (C) AGILENT TECHNOLOGIES INC COM 00846U101 1,259 30,000 SH X 2, 3 X AIR PRODS & CHEMS INC COM 009158106 4,269 49,000 SH X 2, 3 X AIR PRODS & CHEMS INC COM 009158106 261 3,000 SH X 3 X AIR PRODS & CHEMS INC COM 009158106 1,481 17,000 SH X 3, 4 X AIR PRODS & CHEMS INC COM 009158106 27,530 316,000 SH X 5 X AIRGAS INC COM 009363102 1,983 20,000 SH X 2, 3 X AIRGAS INC COM 009363102 9,916 100,000 SH X 3 X AIRGAS INC COM 009363102 496 5,000 SH X 3, 4 X AIRGAS INC COM 009363102 2,479 25,000 SH X 5 X AMERICAN EXPRESS CO COM 025816109 2,361 35,000 SH X 2, 3 X ANNALY CAP MGMT INC COM 035710409 95,340 6,000,000 SH X X APACHE CORP COM 037411105 42,669 553,000 SH X 2, 3 X APACHE CORP COM 037411105 1,003 13,000 SH X 3 X APACHE CORP COM 037411105 5,170 67,000 SH X 3, 4 X APACHE CORP COM 037411105 105,478 1,367,000 SH X 5 X APPLE INC COM 037833100 23,018 52,000 SH X 2, 3 X APPLE INC COM 037833100 775 1,750 SH X 3 X APPLE INC COM 037833100 4,427 10,000 SH X 3, 4 X APPLE INC COM 037833100 111,211 251,250 SH X 5 X APPLIED MATLS INC COM 038222105 944 70,000 SH X 2, 3 X AT&T INC COM 00206R102 2,201 60,000 SH X 2, 3 X AUTODESK INC COM 052769106 1,031 25,000 SH X 2, 3 X AUTOMATIC DATA PROCESSING IN COM 053015103 1,301 20,000 SH X 2, 3 X BERKSHIRE HATHAWAY INC DEL CL B 084670702 2,084 20,000 SH X 2, 3 X BOEING CO COM 097023105 14,337 167,000 SH X 2, 3 X BOEING CO COM 097023105 1,843 21,470 SH X 2, 3 X BOEING CO COM 097023105 18,286 213,000 SH X 3 X BOEING CO COM 097023105 3,692 43,000 SH X 3, 4 X BOEING CO COM 097023105 31,078 362,000 SH X 5 X CEDAR FAIR L P DEPOSITRY UNIT 150185106 34,600 870,000 SH X 2, 3 X CHUBB CORP COM 171232101 2,626 30,000 SH X 2, 3 X COCA COLA CO COM 191216100 2,426 60,000 SH X 2, 3 X CONOCOPHILLIPS COM 20825C104 16,227 270,000 SH X 2, 3 X CONOCOPHILLIPS COM 20825C104 1,803 30,000 SH X 2, 3 X CONOCOPHILLIPS COM 20825C104 5,529 92,000 SH X 3 X CONOCOPHILLIPS COM 20825C104 3,967 66,000 SH X 3, 4 X CONOCOPHILLIPS COM 20825C104 79,452 1,322,000 SH X 5 X COSTCO WHSL CORP NEW COM 22160K105 2,122 20,000 SH X 2, 3 X CUMMINS INC COM 231021106 1,737 15,000 SH X 2, 3 X DEERE & CO COM 244199105 2,579 30,000 SH X 2, 3 X DEVON ENERGY CORP NEW COM 25179M103 7,899 140,000 SH X 2, 3 X DEVON ENERGY CORP NEW COM 25179M103 3,554 63,000 SH X 3 X DEVON ENERGY CORP NEW COM 25179M103 1,805 32,000 SH X 3, 4 X DEVON ENERGY CORP NEW COM 25179M103 71,371 1,265,000 SH X 5 X DISNEY WALT CO COM DISNEY 254687106 2,556 45,000 SH X 2, 3 X DU PONT EI DE NEMOURS & CO COM 263534109 1,721 35,000 SH X 2, 3 X EMERSON ELEC CO COM 291011104 2,235 40,000 SH X 2, 3 X EXXON MOBIL CORP COM 30231G102 2,703 30,000 SH X 2, 3 X FEDEX CORP COM 31428X106 1,473 15,000 SH X 2, 3 X FREEPORT-MCMORAN COPPER & GO COM 35671D857 37,238 1,125,000 SH X 2, 3 X FREEPORT-MCMORAN COPPER & GO COM 35671D857 3,972 120,000 SH X 3 X FREEPORT-MCMORAN COPPER & GO COM 35671D857 12,413 375,000 SH X 3, 4 X FREEPORT-MCMORAN COPPER & GO COM 35671D857 12,578 380,000 SH X 5 X GOOGLE INC COM 38259P508 1,985 2,500 SH X 2, 3 X HESS CORP COM 42809H107 42,966 600,000 SH X X HESS CORP COM 42809H107 73,472 1,026,000 SH X 2, 3 X HESS CORP COM 42809H107 2,363 33,000 SH X 3 X HESS CORP COM 42809H107 18,619 260,000 SH X 3, 4 X HESS CORP COM 42809H107 77,410 1,081,000 SH X 5 X HOME DEPOT INC COM 437076102 1,396 20,000 SH X 2, 3 X INTEL CORP COM 458140100 13,974 640,000 SH X 2, 3 X INTEL CORP COM 458140100 1,856 85,000 SH X 2, 3 X INTEL CORP COM 458140100 917 42,000 SH X 3 X INTEL CORP COM 458140100 4,891 224,000 SH X 3, 4 X INTEL CORP COM 458140100 23,904 1,094,000 SH X 5 X INTERNATIONAL BUSINESS MACHS COM 459200101 2,560 12,000 SH X 2, 3 X JOHNSON AND JOHNSON COM 478160104 15,002 184,000 SH X 2, 3 X JOHNSON AND JOHNSON COM 478160104 2,446 30,000 SH X 2, 3 X JOHNSON AND JOHNSON COM 478160104 652 8,000 SH X 3 X JOHNSON AND JOHNSON COM 478160104 3,098 38,000 SH X 3, 4 X JOHNSON AND JOHNSON COM 478160104 30,166 370,000 SH X 5 X JPMORGAN CHASE & CO COM 46625H100 1,424 30,000 SH X 2, 3 X KELLOGG CO COM 487836108 1,933 30,000 SH X 2, 3 X KOHLS CORP COM 500255104 6,781 147,000 SH X 2, 3 X KOHLS CORP COM 500255104 34,044 738,000 SH X 3 X KOHLS CORP COM 500255104 1,522 33,000 SH X 3, 4 X KOHLS CORP COM 500255104 13,009 282,000 SH X 5 X LAUDER ESTEE COS INC CL A 518439104 1,601 25,000 SH X 2, 3 X LILLY ELI & CO COM 532457108 2,840 50,000 SH X 2, 3 X LOEWS CORP COM 540424108 1,102 25,000 SH X 2, 3 X MCDONALDS CORP COM 580135101 21,334 214,000 SH X 2, 3 X MCDONALDS CORP COM 580135101 798 8,000 SH X 3 X MCDONALDS CORP COM 580135101 3,788 38,000 SH X 3, 4 X MCDONALDS CORP COM 580135101 28,910 290,000 SH X 5 X MEDTRONIC INC COM 585055106 2,583 55,000 SH X 2, 3 X MICROSOFT CORP COM 594918104 2,431 85,000 SH X 2, 3 X NOBLE ENERGY INC COM 655044105 2,313 20,000 SH X 2, 3 X NORDSTROM INC COM 655664100 1,657 30,000 SH X 2, 3 X NOVARTIS AG SPONSORED ADR 66987V109 1,781 25,000 SH X 2, 3 X OCCIDENTAL PETE CORP DEL COM 674599105 72,100 920,000 SH X 2, 3 X OCCIDENTAL PETE CORP DEL COM 674599105 2,978 38,000 SH X 3 X OCCIDENTAL PETE CORP DEL COM 674599105 18,966 242,000 SH X 3, 4 X OCCIDENTAL PETE CORP DEL COM 674599105 58,778 750,000 SH X 5 X OLD REP INTL CORP COM 680223104 13,854 1,090,000 SH X 3 X ORACLE CORP COM 68389X105 1,568 48,500 SH X 2, 3 X PACCAR INC COM 693718108 1,517 30,000 SH X 2, 3 X PHILIP MORRIS INTL INC COM 718172109 1,391 15,000 SH X 2, 3 X PHILLIPS 66 COM 718546104 4,198 60,000 SH X 2, 3 X PHILLIPS 66 COM 718546104 1,050 15,000 SH X 2, 3 X PHILLIPS 66 COM 718546104 70 1,000 SH X 3 X PHILLIPS 66 COM 718546104 1,120 16,000 SH X 3, 4 X PHILLIPS 66 COM 718546104 57,833 826,538 SH X 5 X PROCTER & GAMBLE CO COM 742718109 2,312 30,000 SH X 2, 3 X SCHLUMBERGER LTD COM 806857108 2,247 30,000 SH X 2, 3 X SIGMA ALDRICH CORP COM 826552101 1,553 20,000 SH X 2, 3 X SYSCO CORP COM 871829107 1,407 40,000 SH X 2, 3 X 3M CO COM 88579Y101 2,339 22,000 SH X 2, 3 X TIME WARNER CABLE INC COM 88732J207 5,475 57,000 SH X 2, 3 X TIME WARNER CABLE INC COM 88732J207 192 2,000 SH X 3 X TIME WARNER CABLE INC COM 88732J207 1,345 14,000 SH X 3, 4 X TIME WARNER CABLE INC COM 88732J207 46,781 487,000 SH X 5 X TRONOX LTD SHS CL A Q9235V101 33,875 1,710,000 SH X 2, 3 X TRONOX LTD SHS CL A Q9235V101 1,090 55,000 SH X 3 X TRONOX LTD SHS CL A Q9235V101 9,608 485,000 SH X 3, 4 X TRONOX LTD SHS CL A Q9235V101 39,620 2,000,000 SH X 5 X UNITED PARCEL SERVICE INC CL B 911312106 36,937 430,000 SH X 2, 3 X UNITED PARCEL SERVICE INC CL B 911312106 1,460 17,000 SH X 3 X UNITED PARCEL SERVICE INC CL B 911312106 8,848 103,000 SH X 3, 4 X UNITED PARCEL SERVICE INC CL B 911312106 12,026 140,000 SH X 5 X US BANCORP DEL COM NEW 902973304 1,188 35,000 SH X 2, 3 X VISA INC COM CL A 92826C839 33,968 200,000 SH X X VISA INC COM CL A 92826C839 64,200 378,000 SH X 2, 3 X VISA INC COM CL A 92826C839 2,717 16,000 SH X 3 X VISA INC COM CL A 92826C839 18,003 106,000 SH X 3, 4 X VISA INC COM CL A 92826C839 44,158 260,000 SH X 5 X WAL MART STORES INC COM 931142103 2,619 35,000 SH X 2, 3 X WASHINGTON POST CO CL B 939640108 894 2,000 SH X 2, 3 X WELLS FARGO & CO NEW COM 949746101 1,295 35,000 SH X 2, 3 X GRAND TOTAL 1,891,617 35,022,008