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, 2006 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, 10th Floor Chicago, IL 60601 13F File Number: 28-02715 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 08, 2006 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: 2 Form13F Information Table Entry Total: 142 Form13F Information Table Value Total: $1,223,018 (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 28-00121 TRINITY UNIVERSAL INSURANCE COMPANY 2 28-00117 UNITED INSURANCE COMPANY OF AMERICA 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 2548 60000 SH OTHER 1 0 60000 0 ABBOTT LABS COM 002824100 425 10000 SH OTHER 0 10000 0 ALTRIA GROUP INC COM 02209S103 13463 190000 SH OTHER 1 0 190000 0 ALTRIA GROUP INC COM 02209S103 2480 35000 SH OTHER 0 35000 0 AMERICAN EXPRESS CO COM 025816109 2638 50200 SH OTHER 1 0 50200 0 AMERICAN EXPRESS CO COM 025816109 394 7500 SH OTHER 0 7500 0 AMERICAN INTL GROUP INC COM 026874107 562 8500 SH OTHER 0 8500 0 AMERICAN INTL GROUP INC COM 026874107 2313 35000 SH OTHER 1 0 35000 0 AMERIPRISE FINL INC COM 03076C106 903 20040 SH OTHER 1 0 20040 0 AMERIPRISE FINL INC COM 03076C106 225 5000 SH OTHER 0 5000 0 AMERIPRISE FINL INC COM 03076C106 1244 27600 SH OTHER 1 0 27600 0 ANHEUSER BUSCH COS INC COM 035229103 1925 45000 SH OTHER 1 0 45000 0 ANHEUSER BUSCH COS INC COM 035229103 299 7000 SH OTHER 0 7000 0 ARAMARK CORP CL B 038521100 1625 55000 SH OTHER 1 0 55000 0 AUTOMATIC DATA PROCESSING IN COM 053015103 1507 33000 SH OTHER 1 0 33000 0 AUTOMATIC DATA PROCESSING IN COM 053015103 320 7000 SH OTHER 0 7000 0 AUTONATION INC COM 05329W102 1138 52800 SH OTHER 1 0 52800 0 BAKER HUGHES INC COM 057224107 45479 664900 SH DEFINED 1 664900 0 0 BANK OF AMERICA CORPORATION COM 060505104 2732 60000 SH OTHER 1 0 60000 0 BANK OF AMERICA CORPORATION COM 060505104 569 12500 SH OTHER 0 12500 0 BEARINGPOINT INC COM 074002106 2897 341200 SH OTHER 1 0 341200 0 BELO CORP COM SER A 080555105 1356 68200 SH OTHER 1 0 68200 0 BLACK & DECKER CORP COM 091797100 1894 21800 SH OTHER 1 0 21800 0 BP PLC SPONSORED ADR 055622104 4826 70000 SH OTHER 1 0 70000 0 BP PLC SPONSORED ADR 055622104 931 13500 SH OTHER 0 13500 0 BRUNSWICK CORP COM 117043109 3132 80600 SH OTHER 1 0 80600 0 C D W CORP COM 12512N105 1907 32400 SH OTHER 1 0 32400 0 CABLEVISION SYS CORP CL A NY CABLVS 12686C109 1677 62800 SH OTHER 1 0 62800 0 CBS CORP NEW CL B 124857202 240 10000 SH OTHER 1 0 10000 0 CHEVRON CORP NEW COM 166764100 4603 79400 SH OTHER 1 0 79400 0 CHEVRON CORP NEW COM 166764100 874 15080 SH OTHER 0 15080 0 CITIGROUP INC COM 172967101 545 11531 SH DEFINED 11531 0 0 CITIGROUP INC COM 172967101 1266 26800 SH OTHER 0 26800 0 CITIGROUP INC COM 172967101 3368 71309 SH DEFINED 1 71309 0 0 CITIGROUP INC COM 172967101 6164 130500 SH OTHER 1 0 130500 0 COCA COLA CO COM 191216100 4501 107500 SH OTHER 1 0 107500 0 COCA COLA CO COM 191216100 837 20000 SH OTHER 0 20000 0 COLGATE PALMOLIVE CO COM 194162103 1627 28500 SH OTHER 1 0 28500 0 COLGATE PALMOLIVE CO COM 194162103 400 7000 SH OTHER 0 7000 0 CONOCOPHILLIPS COM 20825C104 4610 73000 SH OTHER 1 0 73000 0 CONOCOPHILLIPS COM 20825C104 947 15000 SH OTHER 0 15000 0 CONSECO INC COM NEW 208464883 3013 121400 SH OTHER 1 0 121400 0 DISCOVERY HOLDING CO CL A COM 25468Y107 4148 276500 SH OTHER 1 0 276500 0 DONNELLEY R R & SONS CO COM 257867101 1976 60400 SH OTHER 1 0 60400 0 ECHOSTAR COMMUNICATIONS NEW CL A 278762109 1771 59300 SH OTHER 1 0 59300 0 EMERSON ELEC CO COM 291011104 477 5700 SH OTHER 0 5700 0 EMERSON ELEC CO COM 291011104 2400 28700 SH OTHER 1 0 28700 0 EQUIFAX INC COM 294429105 1408 37800 SH OTHER 1 0 37800 0 EXXON MOBIL CORP COM 30231G102 12172 200000 SH OTHER 1 0 200000 0 EXXON MOBIL CORP COM 30231G102 2154 35400 SH OTHER 0 35400 0 FEDERAL HOME LN MTG CORP COM 313400301 214 3500 SH OTHER 0 3500 0 FEDERAL HOME LN MTG CORP COM 313400301 1281 21000 SH OTHER 1 0 21000 0 FORD MTR CO CAP TR II PFD TR CV6.5% 345395206 301 10000 SH DEFINED 2 10000 0 0 FORTUNE BRANDS INC COM 349631101 1959 24300 SH OTHER 1 0 24300 0 GAP INC DEL COM 364760108 1978 105900 SH OTHER 1 0 105900 0 GENERAL ELECTRIC CO COM 369604103 6087 175000 SH OTHER 1 0 175000 0 GENERAL ELECTRIC CO COM 369604103 1669 48000 SH DEFINED 48000 0 0 GENERAL ELECTRIC CO COM 369604103 1391 40000 SH OTHER 0 40000 0 GOLDMAN SACHS GROUP INC COM 38141G104 785 5000 SH SOLE 5000 0 0 HARLEY DAVIDSON INC COM 412822108 1878 36200 SH OTHER 1 0 36200 0 HARTFORD FINL SVCS GROUP INC COM 416515104 18067 224300 SH DEFINED 2 224300 0 0 HOME DEPOT INC COM 437076102 1692 40000 SH OTHER 1 0 40000 0 HOME DEPOT INC COM 437076102 381 9000 SH OTHER 0 9000 0 HSBC HLDGS PLC SPON ADR NEW 404280406 545 6500 SH OTHER 0 6500 0 HSBC HLDGS PLC SPON ADR NEW 404280406 3184 38000 SH OTHER 1 0 38000 0 INTEL CORP COM 458140100 3201 164500 SH OTHER 1 0 164500 0 INTEL CORP COM 458140100 689 35400 SH OTHER 0 35400 0 INTERMEC INC COM 458786100 386188 12657764 SH DEFINED 1 12657764 0 0 JOHNSON & JOHNSON COM 478160104 4442 75000 SH OTHER 1 0 75000 0 JOHNSON & JOHNSON COM 478160104 770 13000 SH OTHER 0 13000 0 JP MORGAN CHASE & CO COM 46625H100 666 16000 SH OTHER 0 16000 0 JP MORGAN CHASE & CO COM 46625H100 3489 83800 SH OTHER 1 0 83800 0 KINETIC CONCEPTS INC COM NEW 49460W208 1544 37500 SH OTHER 1 0 37500 0 KRAFT FOODS INC CL A 50075N104 940 31000 SH DEFINED 1 31000 0 0 LABORATORY CORP AMER HLDGS COM NEW 50540R409 2515 43000 SH OTHER 1 0 43000 0 LAUDER ESTEE COS INC CL A 518439104 2782 74800 SH OTHER 1 0 74800 0 LAUDER ESTEE COS INC CL A 518439104 457 12300 SH OTHER 1 0 12300 0 LAUDER ESTEE COS INC CL A 518439104 186 5000 SH OTHER 0 5000 0 LENNAR CORP CL A 526057104 1268 21000 SH OTHER 1 0 21000 0 LIBERTY GLOBAL INC COM SER C 530555309 1992 100836 SH OTHER 1 0 100836 0 LIMITED BRANDS INC COM 532716107 1656 67700 SH OTHER 1 0 67700 0 LIZ CLAIBORNE INC COM 539320101 2676 65300 SH OTHER 1 0 65300 0 MASCO CORP COM 574599106 2183 67200 SH OTHER 1 0 67200 0 MBIA INC COM 55262C100 1924 32000 SH OTHER 1 0 32000 0 MCDONALDS CORP COM 580135101 1890 55000 SH OTHER 1 0 55000 0 MCDONALDS CORP COM 580135101 515 15000 SH OTHER 0 15000 0 MCGRAW HILL COS INC COM 580645109 4033 70000 SH OTHER 1 0 70000 0 MCGRAW HILL COS INC COM 580645109 1152 20000 SH OTHER 0 20000 0 MEDIMMUNE INC COM 584699102 2414 66000 SH OTHER 1 0 66000 0 MERRILL LYNCH & CO INC COM 590188108 2363 30000 SH OTHER 1 0 30000 0 MERRILL LYNCH & CO INC COM 590188108 551 7000 SH OTHER 0 7000 0 MGIC INVT CORP WIS COM 552848103 2359 35400 SH OTHER 1 0 35400 0 MICROSOFT CORP COM 594918104 3023 111100 SH OTHER 1 0 111100 0 MICROSOFT CORP COM 594918104 561 20600 SH OTHER 0 20600 0 MOLSON COORS BREWING CO CL B 60871R209 1022 14900 SH OTHER 1 0 14900 0 NATIONAL SEMICONDUCTOR CORP COM 637640103 1698 61000 SH OTHER 1 0 61000 0 NEWS CORP CL A 65248E104 1771 106600 SH OTHER 1 0 106600 0 NEWS CORP CL A 65248E104 345 20800 SH OTHER 0 20800 0 NORTHROP GRUMMAN CORP COM 666807102 414364 6067711 SH DEFINED 1 6067711 0 0 NORTHROP GRUMMAN CORP COM 666807102 94847 1388889 SH SOLE 1388889 0 0 OCCIDENTAL PETE CORP DEL COM 674599105 1853 20000 SH OTHER 1 0 20000 0 OCCIDENTAL PETE CORP DEL COM 674599105 371 4000 SH OTHER 0 4000 0 OMNICARE INC COM 681904108 1452 26400 SH OTHER 1 0 26400 0 PEPSI BOTTLING GROUP INC COM 713409100 1422 46800 SH OTHER 1 0 46800 0 PEPSICO INC COM 713448108 4045 70000 SH OTHER 1 0 70000 0 PEPSICO INC COM 713448108 873 15100 SH OTHER 0 15100 0 PRAXAIR INC COM 74005P104 1379 25000 SH OTHER 1 0 25000 0 PRAXAIR INC COM 74005P104 303 5500 SH OTHER 0 5500 0 PROCTER & GAMBLE CO COM 742718109 5290 91800 SH OTHER 1 0 91800 0 PROCTER & GAMBLE CO COM 742718109 1009 17500 SH OTHER 0 17500 0 ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 2117 34000 SH OTHER 1 0 34000 0 ROYAL DUTCH SHELL PLC SPONS ADR A 780259206 249 4000 SH OTHER 0 4000 0 SNAP ON INC COM 833034101 3896 102200 SH OTHER 1 0 102200 0 SOVEREIGN BANCORP INC COM 845905108 3002 137000 SH OTHER 1 0 137000 0 SUN MICROSYSTEMS INC COM 866810104 2867 558800 SH OTHER 1 0 558800 0 SUNTRUST BKS INC COM 867914103 2183 30000 SH OTHER 1 0 30000 0 SUNTRUST BKS INC COM 867914103 473 6500 SH OTHER 0 6500 0 SYSCO CORP COM 871829107 962 30000 SH OTHER 1 0 30000 0 SYSCO CORP COM 871829107 208 6500 SH OTHER 0 6500 0 TARGET CORP COM 87612E106 2340 45000 SH OTHER 1 0 45000 0 TARGET CORP COM 87612E106 520 10000 SH OTHER 0 10000 0 TIFFANY & CO NEW COM 886547108 1697 45200 SH OTHER 1 0 45200 0 TOTAL S A SPONSORED ADR 89151E109 2635 20000 SH OTHER 1 0 20000 0 TOTAL S A SPONSORED ADR 89151E109 527 4000 SH OTHER 0 4000 0 TRIBUNE CO NEW COM 896047107 2222 81000 SH OTHER 1 0 81000 0 UNITED PARCEL SERVICE INC CL B 911312106 2143 27000 SH OTHER 1 0 27000 0 UNITED PARCEL SERVICE INC CL B 911312106 476 6000 SH OTHER 0 6000 0 UNITEDHEALTH GROUP INC COM 91324P102 1229 22000 SH OTHER 1 0 22000 0 UNITEDHEALTH GROUP INC COM 91324P102 251 4500 SH OTHER 0 4500 0 UNIVERSAL AMERN FINL CORP COM 913377107 770 50000 SH DEFINED 50000 0 0 VERIZON COMMUNICATIONS COM 92343V104 287 8428 SH DEFINED 1 8428 0 0 VIACOM INC NEW CL B 92553P201 388 10000 SH OTHER 1 0 10000 0 WAL MART STORES INC COM 931142103 3118 66000 SH OTHER 1 0 66000 0 WAL MART STORES INC COM 931142103 567 12000 SH OTHER 0 12000 0 WALGREEN CO COM 931422109 3882 90000 SH OTHER 1 0 90000 0 WALGREEN CO COM 931422109 863 20000 SH OTHER 0 20000 0 WASHINGTON MUT INC COM 939322103 3716 87200 SH OTHER 1 0 87200 0 WATSON PHARMACEUTICALS INC COM 942683103 1058 36800 SH OTHER 1 0 36800 0 WHOLE FOODS MKT INC COM 966837106 1196 18000 SH OTHER 1 0 18000 0 WHOLE FOODS MKT INC COM 966837106 266 4000 SH OTHER 0 4000 0 WILMINGTON TRUST CORP COM 971807102 984 22700 SH OTHER 1 0 22700 0 XEROX CORP COM 984121103 3131 206000 SH OTHER 1 0 206000 0