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: UNITRIN, INC. Address: One East Wacker Drive, 9th Floor Chicago, IL 60601 13F File Number: 028-02715 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: Richard Roeske Title: Vice President Phone: 312-661-4600 Signature, Place, and Date of Signing: /s/ Richard Roeske Chicago, IL May 09, 2011 Report Type (Check only one.): [ X] 13F HOLDINGS REPORT. [ ] 13F NOTICE. [ ] 13F COMBINATION REPORT. FORM 13F SUMMARY PAGE Report Summary: Number of Other Included Managers: 1 Form 13F Information Table Entry Total: 43 Form 13F Information Table Value Total: $325,007 (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 01 028-00121 TRINITY UNIVERSAL INSURANCE COMPANY 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 ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ABBOTT LABS COM 002824100 2943 60000 SH OTHER 01 0 60000 0 ABITIBIBOWATER INC COM NEW 003687209 76 2833 SH DEFINED 2833 0 0 AIR PRODS & CHEMS INC COM 009158106 992 11000 SH OTHER 01 0 11000 0 ALTRIA GROUP INC COM 02209S103 3124 120000 SH OTHER 01 0 120000 0 AUTOMATIC DATA PROCESSING IN COM 053015103 1796 35000 SH OTHER 01 0 35000 0 BANK OF AMERICA CORPORATION 7.25%CNV PFD L 060505682 253 250 SH DEFINED 01 250 0 0 BARCLAYS BANK PLC ADS7.75%PFD S4 06739H511 20576 800000 SH DEFINED 800000 0 0 CATERPILLAR INC DEL COM 149123101 4009 36000 SH OTHER 01 0 36000 0 CHEVRON CORP NEW COM 166764100 6987 65000 SH OTHER 01 0 65000 0 CIT GROUP INC COM NEW 125581801 299 7026 SH DEFINED 7026 0 0 COCA COLA CO COM 191216100 6634 100000 SH OTHER 01 0 100000 0 CONOCOPHILLIPS COM 20825C104 4392 55000 SH OTHER 01 0 55000 0 DISNEY WALT CO COM DISNEY 254687106 215 5000 SH OTHER 01 0 5000 0 ENTERPRISE PRODS PARTNERS L COM 293792107 3230 75000 SH OTHER 01 0 75000 0 EXXON MOBIL CORP COM 30231G102 9254 110000 SH OTHER 01 0 110000 0 FIFTH STREET FINANCE CORP COM 31678A103 9835 736689 SH DEFINED 01 736689 0 0 FREEPORT-MCMORAN COPPER & GO COM 35671D857 3333 60000 SH OTHER 01 0 60000 0 INTEL CORP COM 458140100 1514 75000 SH OTHER 01 0 75000 0 INTERMEC INC COM 458786100 106963 9913139 SH DEFINED 01 9913139 0 0 INTERNATIONAL BUSINESS MACHS COM 459200101 3751 23000 SH OTHER 01 0 23000 0 ISHARES TR RUSSELL 2000 464287655 9259 110000 SH DEFINED 01 110000 0 0 ISHARES TR S&P 500 INDEX 464287200 39903 300000 SH DEFINED 01 300000 0 0 JOHNSON & JOHNSON COM 478160104 3851 65000 SH OTHER 01 0 65000 0 JPMORGAN CHASE & CO COM 46625H100 899 19500 SH OTHER 01 0 19500 0 KRAFT FOODS INC CL A 50075N104 2666 85000 SH OTHER 01 0 85000 0 MCDONALDS CORP COM 580135101 4033 53000 SH OTHER 01 0 53000 0 MEDTRONIC INC COM 585055106 984 25000 SH OTHER 01 0 25000 0 MERCK & CO INC NEW COM 58933Y105 2311 70000 SH OTHER 01 0 70000 0 MICROSOFT CORP COM 594918104 508 20000 SH OTHER 01 0 20000 0 NRG ENERGY INC COM NEW 629377508 3 118 SH DEFINED 118 0 0 OCCIDENTAL PETE CORP DEL COM 674599105 3135 30000 SH OTHER 01 0 30000 0 PEPSICO INC COM 713448108 2898 45000 SH OTHER 01 0 45000 0 PHILIP MORRIS INTL INC COM 718172109 7876 120000 SH OTHER 01 0 120000 0 PLAINS ALL AMERN PIPELINE L UNIT LTD PARTN 726503105 4142 65000 SH OTHER 01 0 65000 0 PRAXAIR INC COM 74005P104 1829 18000 SH OTHER 01 0 18000 0 PROCTER & GAMBLE CO COM 742718109 3721 60400 SH OTHER 01 0 60400 0 SPDR S&P 500 ETF TR TR UNIT 78462F103 34473 260000 SH DEFINED 01 260000 0 0 SYSCO CORP COM 871829107 554 20000 SH OTHER 01 0 20000 0 TARGET CORP COM 87612E106 2000 40000 SH OTHER 01 0 40000 0 TEXAS INSTRS INC COM 882508104 1728 50000 SH OTHER 01 0 50000 0 WAL MART STORES INC COM 931142103 2082 40000 SH OTHER 01 0 40000 0 WALGREEN CO COM 931422109 2609 65000 SH OTHER 01 0 65000 0 WILLIAMS PARTNERS L P COM UNIT L P 96950F104 3367 65000 SH OTHER 01 0 65000 0