13F-HR 1 a2192860z13f-hr.txt FORM 13F-HR 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, 2009 ----------------------- 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: Loch Capital Management LLC ------------------------------------ Address: 30 Federal Street, Boston, MA 02110 ------------------------------------ Form 13F File Number: 28-11100 --------------------- 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: David Matthews ------------------------------- Title: Chief Financial Officer ------------------------------- Phone: 617-289-7604 ------------------------------- Signature, Place, and Date of Signing: /s/ David Matthews Boston, MA May 6, 2009 ------------------------------- ----------------- ------------- [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).) I AM SIGNING THIS REPORT AS REQUIRED BY THE SECURITIES EXCHANGE ACT OF 1934 FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 0 -------------------- Form 13F Information Table Entry Total: 31 -------------------- Form 13F Information Table Value Total: 240,482 -------------------- (thousands) FORM 13F INFORMATION TABLE

COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8 ~~-------------------------~~Value ~~----------------~~Shares/ ~~---------~~Invstmt ~~--------~~Other ~~----------------------~~Voting ~~------------~~Authority ~~----------~~NAME ~~----------------------~~OF ~~VALUE~~ISSUER ~~SHRS~~TITLE OROF SHCLASS CUSIP (x1000) Prn amt Sh/Prn ~~PUT~~Put/Call ~~INVESTMENT~~Discretn ~~OTHER~~Mangers ~~VOTING~~Sole ~~AUTHORITY~~Shared ~~NAME~~None OFACTIVISION ~~ISSUER~~BLIZZARD ~~TITLE~~INC OFCommon ~~CLASS~~Stock ~~CUSIP~~00507V109 ~~(x$1000)~~19,066 ~~PRN~~1,822,800 ~~AMT~~Sh ~~PRN~~Sole ~~CALL~~1,822,800 ~~DISCRETION~~0 ~~MANAGERS~~0 ~~SOLE~~ADVANCED ~~SHARED~~MICRO ~~NONE~~DEVICES ~~-------------------------~~INC ~~----------------~~Common ~~---------~~Stock ~~--------~~007903107 ~~---------~~168 ~~-----~~55,200 ~~------~~Sh ~~------------~~Sole ~~----------~~55,200 ~~------~~0 ~~--------~~0 ~~------~~AIRVANA ~~ATMEL~~INC ~~CORP~~Common Stock 00950V101 135 23,000 Sh Sole 23,000 0 0 AT&T INC Common Stock ~~049513104~~00206R102 ~~116~~34,322 ~~37100~~1,362,000 Sh Sole 371,362,000 0 0 BROCADE COMMUNICATIONS SYS INC Common Stock 111621306 447 129,600 Sh Sole 129,600 0 0 CAVIUM NETWORKS INC Common Stock 14965A101 255 22,100 LGSh ~~DISPLAY~~Sole CO22,100 0 0 CYPRESS SEMICONDUCTOR CORP Common Stock 232806109 289 42,700 Sh Sole 42,700 0 0 DIGITAL RIV INC Common Stock 25388B104 209 7,000 Sh Sole 7,000 0 0 FORMFACTOR INC Common Stock 346375108 223 12,400 Sh Sole 12,400 0 0 INTERNATIONAL BUSINESS MACHS Common Stock 459200101 19,407 200,300 Sh Sole 200,300 0 0 LAM RESEARCH CORP Common Stock 512807108 11,890 522,200 Sh Sole 522,200 0 0 MARVELL TECHNOLOGY GROUP LTD Common Stock G5876H105 8,595 938,302 Sh Sole 938,302 0 0 MAXIM INTEGRATED PRODS INC Common Stock 57772K101 27,338 2,069,504 Sh Sole 2,069,504 0 0 MICROCHIP TECHNOLOGY INC Common Stock 595017104 8,008 377,900 Sh Sole 377,900 0 0 NOVELLUS SYS INC Common Stock 670008101 23,123 1,390,457 Sh Sole 1,390,457 0 0 NVIDIA CORP Common Stock 67066G104 16,399 1,663,200 Sh Sole 1,663,200 0 0 ON SEMICONDUCTOR CORP Common Stock 682189105 117 30,000 Sh Sole 30,000 0 0 SEAGATE TECHNOLOGY Common Stock G7945J104 6,445 1,072,400 Sh Sole 1,072,400 0 0 SONUS NETWORKS INC Common Stock 835916107 204 130,200 Sh Sole 130,200 0 0 SPRINT NEXTEL CORP Common Stock 852061100 7,871 2,204,800 Sh Sole 2,204,800 0 0 SYMANTEC CORP Common Stock 871503108 2,552 170,800 Sh Sole 170,800 0 0 TAIWAN SEMICONDUCTOR MFG LTD ADRS STOCKS ~~50186V102~~874039100 ~~119~~7,937 ~~14400~~886,806 Sh Sole 14886,~~400~~806 0 0 TAKE-TWO INTERACTIVE SOFTWARE Common Stock 874054109 165 19,700 Sh Sole 19,700 0 0 TELLABS INC Common Stock 879664100 300 65,500 Sh Sole 65,500 0 0 TERADYNE INC Common Stock 880770102 272 62,100 Sh Sole 62,100 0 0 DIRECTV GROUP INC Common Stock 25459L106 23,720 1,040,800 Sh Sole 1,040,800 0 0 THQ INC Common Stock 872443403 61 20,100 Sh Sole 20,100 0 0 VERIGY LTD Common Stock Y93691106 540 65,500 Sh Sole 65,500 0 0 VERIZON COMMUNICATION INC Common Stock 92343V104 16,390 542,700 Sh Sole 542,700 0 0 VIRAGE LOGIC CORP Common Stock 92763R104 ~~582~~655 ~~194880~~194,880 Sh Sole 194,880 0 0 WESTERN DIGITAL CORP Common Stock 958102105 3,379 174,700 Sh Sole 174,700 0 0

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