United States Securities and Exchange Commission Washington, DC 20549 Form 13 F Report for the Calendar Year or Quarter Ended: March 31, 2013 Report type: 13F Holdings Report Institutional Investment Manager Filing this Report: Name: Lockheed Martin Investment Management Company 6901 Rockledge Drive, 9th Floor Bethesda, MD 20817 13F File Number #28-2847 Person signing this report on behalf of Reporting Manager: Name: Christopher K. Li Title: President and Chief Investment Officier Phone: 301-571-7123 Signature, Place, and Date of Signing: Christopher K. Li, Bethesda, MD April 25, 2013 I am signing this report as required by the Securities Exchange Act of 1934. FORM 13F March 31, 2013 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 ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- AGILENT TECHNOLOGY COM 00846U101 1742 41500 SH SOLE 41500 ALLERGAN INC. COM 018490102 7144 64000 SH SOLE 64000 APPLE INC COM 037833100 13590 30700 SH SOLE 30700 AT&T INC COM 00206R102 5159 140600 SH SOLE 140600 BROADCOM CORP - CL A COM 111320107 7213 208000 SH SOLE 208000 CHEVRON COM 166764100 2020 17000 SH SOLE 17000 EXXON COM 30231G102 11534 128000 SH SOLE 128000 FRONTLINE LTD. COM G3682E127 47 20000 SH SOLE 20000 GENERAL ELECTRIC CO. COM 369604103 11347 490800 SH SOLE 490800 GOOGLE INC - CL A COM 38259P508 1048 1320 SH SOLE 1320 HUMANA INC COM 444859102 10056 145500 SH SOLE 145500 INTEL CORP COM 458140100 1237 56640 SH SOLE 56640 INTERNATIONAL BUSINESS MACHINE COM 459200101 4228 19820 SH SOLE 19820 INVENSENSE, INC. COM 46123D205 801 75000 SH SOLE 75000 JP MORGAN COM 46625H100 8068 170000 SH SOLE 170000 LONGTOP FINANCIAL ADR COM 543189108 0 94200 SH SOLE 94200 MERCK & CO. INC. COM 58933Y105 7116 161000 SH SOLE 161000 MICROSOFT CORP COM 594918104 2214 77400 SH SOLE 77400 OPENTABLE INC. COM 68372A104 3653 58000 SH SOLE 58000 PERRIGO CO COM 714290103 1069 9000 SH SOLE 9000 PVTPL GDR LEVANESE CO FOR DEV COM 522386101 519 42264 SH SOLE 42264 QUALCOMM INC COM 747525103 5020 75000 SH SOLE 75000 VERIZON COMMUNICATION INC. COM 92343V104 2875 58500 SH SOLE 58500 WARNER CHILCOTT COM G94368100 2439 180000 SH SOLE 180000 CONSUMER STAPLES SPDR ETF 81369Y308 106727 2683600 SH SOLE 2683600 DB COMMODITY INDEX FUND ETF 73935S105 41425 1516851 SH SOLE 1516851 ISHARES CORE MSCI EMERGING MKT ETF 46434G103 52405 1032400 SH SOLE 1032400 ISHARES CORE S&P MIDCAP ETF ETF 464287507 13180 114537 SH SOLE 114537 ISHARES RUSSELL 2000 VALUE ETF 464287630 13093 156228 SH SOLE 156228 ISHARES S&P 500 VALUE INDEX ETF 464287408 13058 176932 SH SOLE 176932 ISHARES S&P MIDCAP 400/GROWTH ETF 464287606 13072 102017 SH SOLE 102017 ISHARES S&P NORTH AMER NATURAL ETF 464287374 90364 2227355 SH SOLE 2227355 MID-CAP INDEX ETF 78467Y107 23908 114000 SH SOLE 114000 NASDAQ 100 MFC POWERSHARES ETF 73935A104 19181 278100 SH SOLE 278100 RUSSELL 2000 INDEX FUND ETF 464287655 6044 64000 SH SOLE 64000 SELECT SECTOR SPDR-AGRICULTURE ETF 57060U605 79221 1463000 SH SOLE 1463000 SELECT SECTOR SPDR-CONSUMER DI ETF 81369Y407 103217 1947500 SH SOLE 1947500 SELECT SECTOR SPDR-ENERGY ETF 81369Y506 78303 987300 SH SOLE 987300 SELECT SECTOR SPDR-FINANCIAL ETF 81369Y605 179960 9883000 SH SOLE 9883000 SELECT SECTOR SPDR-HEALTH CARE ETF 81369Y209 105940 2302600 SH SOLE 2302600 SELECT SECTOR SPDR-INDUSTRIAL ETF 81369Y704 85115 2038200 SH SOLE 2038200 SELECT SECTOR SPDR-MATERIALS ETF 81369Y100 28417 725300 SH SOLE 725300 SELECT SECTOR SPDR-TECHNOLOGY ETF 81369Y803 145635 4811200 SH SOLE 4811200 SELECT SECTOR SPDR-UTILITIES ETF 81369Y886 138297 3537007 SH SOLE 3537007 SPDR S&P METALS&MINING ETF 78464A755 2625 65000 SH SOLE 65000 SPDR S&P OIL & GAS EXPLORATION ETF 78464A730 47212 780500 SH SOLE 780500 SPDR-S&P 500 INDEX ETF 78462F103 40108 256000 SH SOLE 256000 VANGUARD EAFE ETF ETF 921943858 63969 1755950 SH SOLE 1755950