13F-HR 1 sectoromega13fhr050511.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, 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: Sector Omega ASA Address: Filipstad Brygge 2, P.O. Box 1994 Vika Oslo, Norway 0125 Form 13F File Number: 28-13611 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: Tonje Vegarud Title: Head of Settlements Phone: +47 23012909 Signature, Place and Date of Signing: /s/ Tonje Vegarud Oslo, Norway May 5, 2011 Report Type (Check only one): [X] 13F HOLDINGS REPORT [ ] 13F NOTICE [ ] 13F COMBINATION REPORT List of Other Managers Reporting for this Manager: None FORM 13F SUMMARY PAGE Report Summary: Number of other Included Managers: 0 Form 13F Information Table Entry Total 21 Form 13F Information Table Value Total: $69,082 (thousands) List of Other Included Managers: None

------------------------------------------------------------------------------------------------------------------------------------ Column 1 Column 2 Column 3 Column 4 Column 5 Column 6 Column 7 Column 8 Shares or Title of Value Principal SH/ PUT/ Investment Other Voting Authority Name of Issuer Class Cusip (x$1,000) Amount PRN CALL Discretion Managers Sole Shared None ------------------------------------------------------------------------------------------------------------------------------------ CHEVRON CORP NEW COM 166764100 279,~~565~~602 ~~302~~89,~~081~~379 SH SOLE NONE ~~302~~89,~~081~~379 ~~MARATHON~~BP ~~OIL~~PLC ~~CORP~~SPONSORED ~~COM~~ADR ~~565849106~~055622104 207,~~174~~531 ~~544~~170,~~798~~622 SH SOLE NONE ~~544~~170,~~798~~622 ~~HESS~~MARATHON OIL CORP COM ~~42809H107~~565849106 176,~~052~~501 ~~222~~121,~~787~~941 SH SOLE NONE ~~222~~121,~~787~~941 BPHESS ~~PLC~~CORP ~~SPONSORED~~COM ~~ADR~~42809H107 ~~055622104 16~~6,~~235~~192 ~~367~~72,~~564~~670 SH SOLE NONE ~~367~~72,~~564~~670 ~~SCHLUMBERGER~~BAKER ~~LTD~~HUGHES INC COM ~~806857108~~057224107 146,~~589~~042 ~~174~~82,~~714~~284 SH SOLE NONE ~~174~~82,~~714~~284 ~~TRANSOCEAN~~CONOCOPHILLIPS ~~LTD~~COM ~~REG~~20825C104 ~~SHS H8817H100 14~~5,~~277~~884 ~~205~~73,~~397~~677 SH SOLE NONE ~~205~~73,~~397~~677 ~~ANADARKO~~PETROHAWK ~~PETE~~ENERGY CORP COM ~~032511107~~716495106 145,~~189~~179 ~~186~~211,~~299~~054 SH SOLE NONE ~~186~~211,~~299~~054 ~~BAKER~~HALLIBURTON ~~HUGHES~~CO ~~INC~~ COM ~~057224107~~406216101 134,~~760~~597 ~~240~~92,~~691~~228 SH SOLE NONE ~~240~~92,~~691~~228 ~~CAMERON~~NATIONAL ~~INTERNATIONAL~~OILWELL ~~CORP~~VARCO INC COM ~~13342B105~~637071101 114,~~778~~194 ~~232~~52,~~180~~903 SH SOLE NONE ~~232~~52,~~180~~903 ~~HALLIBURTON~~COBALT COINTL ENERGY INC COM ~~406216101~~19075F106 114,~~033~~097 ~~270~~243,~~225~~733 SH SOLE NONE ~~270~~243,~~225~~733 ~~COBALT~~OIL ~~INTL~~SVC ~~ENERGY~~HOLDRS ~~INC~~TR ~~COM~~DEPOSTRY ~~19075F106~~RCPT 9678002106 1,~~947~~676 ~~814~~10,~~692~~200 SH SOLE NONE ~~814~~10,~~692~~200 ~~PETROHAWK~~NOBLE ~~ENERGY~~CORPORATION ~~CORP~~BAAR ~~COM~~NAMEN ~~716495106~~-AKT ~~8,737~~H5833N103 ~~478~~328 7,~~716~~189 SH SOLE NONE ~~478~~7,~~716~~189 MURPHY OIL CORP COM 626717102 ~~499~~323 64,~~700~~400 SH SOLE NONE 64,~~700~~400 ROWAN COS INC COM 779382100 ~~415~~312 117,~~879~~070 SH SOLE NONE 117,~~879~~070 ~~SUPERIOR ENERGY SVCS INC COM 868157108 403 11,525 SH SOLE NONE 11,525~~ PATTERSON UTI ENERGY INC COM 703481101 ~~383~~254 178,~~753~~647 SH SOLE NONE 178,~~753~~647 ~~HOLLY~~HELIX ~~CORP~~ENERGY ~~COM~~SOLUTIONS ~~PAR~~GRP ~~$0.01~~I ~~435758305~~COM ~~357~~42330P107 8232 13,~~754~~480 SH SOLE NONE 813,~~754~~480 ~~NATIONAL~~SUPERIOR ~~OILWELL~~ENERGY ~~VARCO~~SVCS INC COM ~~637071101~~868157108 ~~316~~205 4,~~705~~998 SH SOLE NONE 4,~~705~~998 ~~HELIX~~HOLLY ~~ENERGY~~CORP ~~SOLUTIONS~~COM ~~GRP~~PAR I$0.01 ~~COM~~435758305 ~~42330P107~~198 ~~286 23~~3,~~558~~258 SH SOLE NONE 233,~~558~~258 MCDERMOTT INTL INC COM 580037109 ~~262~~142 125,~~640~~612 SH SOLE NONE 125,~~640~~612 ~~NOBLE~~OIL ~~CORPORATION~~STS ~~BAAR~~INTL ~~NAMEN~~INC ~~-AKT~~COM ~~H5833N103~~678026105 ~~257~~113 71,~~189~~490 SH SOLE NONE 71,~~189~~490 ~~OIL~~SELECT ~~STS~~SECTOR ~~INTL~~SPDR ~~INC~~TR ~~COM~~PUT ~~678026105~~81369Y956 ~~247~~5,480 320,~~848~~000 SHPUT SOLE NONE 320,~~848~~000

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