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, 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: Legg Mason, Inc. Address: 100 International Drive Baltimore, MD 21202 13F File Number: 28-1700 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 Lemke Title: Senior Vice President and General Counsel Phone: 410-454-4475 Signature, Place, and Date of Signing: Thomas Lemke Baltimore, MD May 13, 2011 Report Type (Check only one.): [ ] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ X] 13F COMBINATION REPORT. List of Other Managers Reporting for this Manager: Form 13F File Number Name 28-3428 Private Capital Management, L.P. 28-3780 Royce & Associates, LLC 28-3658 Barrett Associates, Inc. 28-14027 Permal Asset Management, Inc. 28-1801 Bartlett & Co. 28-0377 Batterymarch Financial Management, Inc. 28-2204 Brandywine Global Investment Management, LLC 28-1701 Legg Mason Capital Management, Inc. 28-6397 Legg Mason Investment Counsel & Trust Co, NA 28-6399 LMM, LLC 28-10245 Western Asset Management Company 28-6251 Legg Mason International Equities 28-11345 Legg Mason Investment Counsel, LLC 28-11611 ClearBridge Advisors, LLC 28-2568 ClearBridge Asset Management, Inc. 28-11198 Legg Mason Asset Management (Japan) Co. Ltd 28-13247 Global Currents Investment Management, LLC FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 Form13F Information Table Entry Total: 176 Form13F Information Table Value Total: $65,119 (thousands) List of Other Included Managers: Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional managers with respect to which this report is filed, other than the manager filing this report. No. 13F File Number Name 1 28- Miscellaneous 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 ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ACCENTURE PLC IRELAND SHS CLASS A G1151C101 908 16500 SH DEFINED 1 16500 0 0 ADVANCE AUTO PARTS INC COM 00751Y106 119 1800 SH DEFINED 1 1800 0 0 AETNA INC NEW COM 00817Y108 165 4400 SH DEFINED 1 4400 0 0 AFLAC INC COM 001055102 350 6610 SH DEFINED 1 6610 0 0 AGRIUM INC COM 008916108 406 4400 SH DEFINED 1 4400 0 0 ALCOA INC COM 013817101 10 560 SH DEFINED 1 560 0 0 ALLSCRIPTS HEALTHCARE SOLUTN COM 01988P108 22 1001 SH DEFINED 1 1001 0 0 AMERICAN EXPRESS CO COM 025816109 37 800 SH DEFINED 1 800 0 0 AMERICAN INTL GROUP INC *W EXP 01/19/202 026874156 1 69 SH DEFINED 1 69 0 0 AMERICAN INTL GROUP INC COM NEW 026874784 5 130 SH DEFINED 1 130 0 0 AMERIPRISE FINL INC COM 03076C106 300 4900 SH DEFINED 1 4900 0 0 AMERISOURCEBERGEN CORP COM 03073E105 84 2100 SH DEFINED 1 2100 0 0 AMGEN INC COM 031162100 246 4600 SH DEFINED 1 4600 0 0 ANADARKO PETE CORP COM 032511107 814 9930 SH DEFINED 1 9930 0 0 APACHE CORP COM 037411105 642 4900 SH DEFINED 1 4900 0 0 APPLE INC COM 037833100 1089 3122 SH DEFINED 1 3122 0 0 APPLIED MATLS INC COM 038222105 75 4800 SH DEFINED 1 4800 0 0 ARCH CAP GROUP LTD ORD G0450A105 655 6600 SH DEFINED 1 6600 0 0 ARROW ELECTRS INC COM 042735100 243 5800 SH DEFINED 1 5800 0 0 ASSURANT INC COM 04621X108 259 6700 SH DEFINED 1 6700 0 0 AT&T INC COM 00206R102 218 7100 SH DEFINED 1 7100 0 0 AVERY DENNISON CORP COM 053611109 93 2200 SH DEFINED 1 2200 0 0 AXIS CAPITAL HOLDINGS SHS G0692U109 214 6100 SH DEFINED 1 6100 0 0 BANK OF AMERICA CORPORATION COM 060505104 1206 90340 SH DEFINED 1 90340 0 0 BANK OF NEW YORK MELLON CORP COM 064058100 111 3700 SH DEFINED 1 3700 0 0 BARRICK GOLD CORP COM 067901108 115 2200 SH DEFINED 1 2200 0 0 BB&T CORP COM 054937107 6 200 SH DEFINED 1 200 0 0 BCE INC COM NEW 05534B760 400 11000 SH DEFINED 1 11000 0 0 BERKSHIRE HATHAWAY INC DEL CL B NEW 084670702 240 2850 SH DEFINED 1 2850 0 0 BLACKROCK INC COM 09247X101 101 500 SH DEFINED 1 500 0 0 BLOCK H & R INC COM 093671105 546 32600 SH DEFINED 1 32600 0 0 BRINKER INTL INC COM 109641100 231 9100 SH DEFINED 1 9100 0 0 CA INC COM 12673P105 221 9100 SH DEFINED 1 9100 0 0 CBS CORP NEW CL B 124857202 10 375 SH DEFINED 1 375 0 0 CELANESE CORP DEL COM SER A 150870103 58 1300 SH DEFINED 1 1300 0 0 CHESAPEAKE ENERGY CORP COM 165167107 19 540 SH DEFINED 1 540 0 0 CHEVRON CORP NEW COM 166764100 1569 14595 SH DEFINED 1 14595 0 0 CHICOS FAS INC COM 168615102 6 351 SH DEFINED 1 351 0 0 CHIPOTLE MEXICAN GRILL INC COM 169656105 6 21 SH DEFINED 1 21 0 0 CIGNA CORP COM 125509109 31 700 SH DEFINED 1 700 0 0 CINTAS CORP COM 172908105 633 20900 SH DEFINED 1 20900 0 0 CISCO SYS INC COM 17275R102 709 41300 SH DEFINED 1 41300 0 0 CITIGROUP INC COM 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SONS CO COM 257867101 207 10900 SH DEFINED 1 10900 0 0 DR REDDYS LABS LTD ADR 256135203 176 4700 SH DEFINED 1 4700 0 0 DU PONT E I DE NEMOURS & CO COM 263534109 567 10300 SH DEFINED 1 10300 0 0 EAST WEST BANCORP INC COM 27579R104 248 11250 SH DEFINED 1 11250 0 0 EASTMAN CHEM CO COM 277432100 70 700 SH DEFINED 1 700 0 0 EMCOR GROUP INC COM 29084Q100 412 13300 SH DEFINED 1 13300 0 0 ENDO PHARMACEUTICALS HLDGS I COM 29264F205 294 7700 SH DEFINED 1 7700 0 0 EQUITY RESIDENTIAL SH BEN INT 29476L107 12 196 SH DEFINED 1 196 0 0 EXXON MOBIL CORP COM 30231G102 1491 17711 SH DEFINED 1 17711 0 0 F5 NETWORKS INC COM 315616102 4 30 SH DEFINED 1 30 0 0 FAMILY DLR STORES INC COM 307000109 7 123 SH DEFINED 1 123 0 0 FASTENAL CO COM 311900104 4 47 SH DEFINED 1 47 0 0 FEDEX CORP COM 31428X106 11 115 SH DEFINED 1 115 0 0 FIDELITY NATIONAL FINANCIAL CL A 31620R105 5 302 SH DEFINED 1 302 0 0 FIFTH THIRD BANCORP COM 316773100 9 640 SH DEFINED 1 640 0 0 FIRST NIAGARA FINL GP INC COM 33582V108 6 416 SH DEFINED 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DEFINED 1 13300 0 0 LILLY ELI & CO COM 532457108 183 5200 SH DEFINED 1 5200 0 0 LIMITED BRANDS INC COM 532716107 497 15100 SH DEFINED 1 15100 0 0 LINCOLN NATL CORP IND COM 534187109 28 900 SH DEFINED 1 900 0 0 LOCKHEED MARTIN CORP COM 539830109 226 2800 SH DEFINED 1 2800 0 0 LOEWS CORP COM 540424108 104 2400 SH DEFINED 1 2400 0 0 LORILLARD INC COM 544147101 257 2700 SH DEFINED 1 2700 0 0 M & T BK CORP COM 55261F104 275 3100 SH DEFINED 1 3100 0 0 MACYS INC COM 55616P104 81 3300 SH DEFINED 1 3300 0 0 MANULIFE FINL CORP COM 56501R106 130 7300 SH DEFINED 1 7300 0 0 MARATHON OIL CORP COM 565849106 62 1150 SH DEFINED 1 1150 0 0 MEDCO HEALTH SOLUTIONS INC COM 58405U102 382 6800 SH DEFINED 1 6800 0 0 MEDTRONIC INC COM 585055106 221 5600 SH DEFINED 1 5600 0 0 MERCK & CO INC NEW COM 58933Y105 367 11100 SH DEFINED 1 11100 0 0 METLIFE INC COM 59156R108 144 3200 SH DEFINED 1 3200 0 0 MGM RESORTS INTERNATIONAL COM 552953101 5 350 SH DEFINED 1 350 0 0 MICRON TECHNOLOGY INC COM 595112103 430 37450 SH DEFINED 1 37450 0 0 MICROSEMI CORP COM 595137100 108 5200 SH DEFINED 1 5200 0 0 MICROSOFT CORP COM 594918104 1590 62600 SH DEFINED 1 62600 0 0 MOSAIC CO COM 61945A107 418 5300 SH DEFINED 1 5300 0 0 MSC INDL DIRECT INC CL A 553530106 4 54 SH DEFINED 1 54 0 0 MURPHY OIL CORP COM 626717102 199 2700 SH DEFINED 1 2700 0 0 NORTHROP GRUMMAN CORP COM 666807102 69 1100 SH DEFINED 1 1100 0 0 NRG ENERGY INC COM NEW 629377508 651 30200 SH DEFINED 1 30200 0 0 OCCIDENTAL PETE CORP DEL COM 674599105 9 80 SH DEFINED 1 80 0 0 ORACLE CORP COM 68389X105 689 20600 SH DEFINED 1 20600 0 0 PETROHAWK ENERGY CORP COM 716495106 5 190 SH DEFINED 1 190 0 0 PETSMART INC COM 716768106 185 4500 SH DEFINED 1 4500 0 0 PFIZER INC COM 717081103 334 16400 SH DEFINED 1 16400 0 0 PHILIP MORRIS INTL INC COM 718172109 1051 16010 SH DEFINED 1 16010 0 0 POWERSHS DB US DOLLAR INDEX DOLL INDX BULL 73936D107 9 401 SH DEFINED 1 401 0 0 PRICELINE COM INC COM NEW 741503403 6 11 SH DEFINED 1 11 0 0 PRINCIPAL FINL GROUP INC COM 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RESOURCES LTD CL B 878742204 366 6900 SH DEFINED 1 6900 0 0 TECO ENERGY INC COM 872375100 36 1900 SH DEFINED 1 1900 0 0 TELEPHONE & DATA SYS INC COM 879433100 108 3200 SH DEFINED 1 3200 0 0 TJX COS INC NEW COM 872540109 369 7400 SH DEFINED 1 7400 0 0 TORONTO DOMINION BK ONT COM NEW 891160509 107 1200 SH DEFINED 1 1200 0 0 TRANSATLANTIC HLDGS INC COM 893521104 39 800 SH DEFINED 1 800 0 0 TRAVELERS COMPANIES INC COM 89417E109 161 2700 SH DEFINED 1 2700 0 0 TRW AUTOMOTIVE HLDGS CORP COM 87264S106 99 1789 SH DEFINED 1 1789 0 0 UBS AG SHS NEW H89231338 458 25362 SH DEFINED 1 25362 0 0 UDR INC COM 902653104 11 450 SH DEFINED 1 450 0 0 UNITED CONTL HLDGS INC COM 910047109 42 1800 SH DEFINED 1 1800 0 0 UNITEDHEALTH GROUP INC COM 91324P102 1045 23100 SH DEFINED 1 23100 0 0 US BANCORP DEL COM NEW 902973304 265 9980 SH DEFINED 1 9980 0 0 VALLEY NATL BANCORP COM 919794107 6 370 SH DEFINED 1 370 0 0 VANGUARD INDEX FDS REIT ETF 922908553 3439 58807 SH DEFINED 1 58807 0 0 VANGUARD INDEX FDS STK MRK 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