UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C.  20549

                                    Form 13F

                              Form 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: June 30, 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     August 11, 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:     117

Form13F Information Table Value Total:     $1,176,842 (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    28-00121                      TRINITY UNIVERSAL INSURANCE COMPANY
02    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     3053    70000 SH        OTHER   01                 0    70000        0
ALTRIA GROUP INC               COM              02209S103    16522   225000 SH        OTHER   01                 0   225000        0
AMERICAN EXPRESS CO            COM              025816109     3071    57700 SH        OTHER   01                 0    57700        0
AMERICAN INTL GROUP INC        COM              026874107     2569    43500 SH        OTHER   01                 0    43500        0
AMERIPRISE FINL INC            COM              03076C106     1139    25500 SH        OTHER   01                 0    25500        0
AMERIPRISE FINL INC            COM              03076C106     1119    25040 SH        OTHER   01                 0    25040        0
ANHEUSER BUSCH COS INC         COM              035229103     2371    52000 SH        OTHER   01                 0    52000        0
ARCHSTONE SMITH TR             COM              039583109     1811    35600 SH        OTHER   01                 0    35600        0
AUTOMATIC DATA PROCESSING IN   COM              053015103     1814    40000 SH        OTHER   01                 0    40000        0
AUTONATION INC                 COM              05329W102      833    38854 SH        OTHER   01                 0    38854        0
AVALONBAY CMNTYS INC           COM              053484101     1770    16000 SH        OTHER   01                 0    16000        0
BAKER HUGHES INC               COM              057224107    45091   550900 SH        DEFINED 01            550900        0        0
BANK OF AMERICA CORPORATION    COM              060505104     3535    73500 SH        OTHER   01                 0    73500        0
BAUSCH & LOMB INC              COM              071707103      976    19900 SH        OTHER   01                 0    19900        0
BEARINGPOINT INC               COM              074002106     2762   330000 SH        OTHER   01                 0   330000        0
BELO CORP                      COM SER A        080555105     1064    68200 SH        OTHER   01                 0    68200        0
BLACK & DECKER CORP            COM              091797100     1419    16800 SH        OTHER   01                 0    16800        0
BOSTON PROPERTIES INC          COM              101121101     2133    23600 SH        OTHER   01                 0    23600        0
BP PLC                         SPONSORED ADR    055622104     5743    82500 SH        OTHER   01                 0    82500        0
BRUNSWICK CORP                 COM              117043109     2680    80600 SH        OTHER   01                 0    80600        0
C D W CORP                     COM              12512N105     1771    32400 SH        OTHER   01                 0    32400        0
CABLEVISION SYS CORP           CL A NY CABLVS   12686C109     1347    62800 SH        OTHER   01                 0    62800        0
CATERPILLAR INC DEL            COM              149123101     1974    26500 SH        OTHER   01                 0    26500        0
CBS CORP NEW                   CL B             124857202      271    10000 SH        OTHER   01                 0    10000        0
CHEVRON CORP NEW               COM              166764100     5863    94480 SH        OTHER   01                 0    94480        0
CITIGROUP INC                  COM              172967101     3997    82840 SH        DEFINED 01             82840        0        0
CITIGROUP INC                  COM              172967101     7590   157300 SH        OTHER   01                 0   157300        0
COCA COLA CO                   COM              191216100     5485   127500 SH        OTHER   01                 0   127500        0
CONOCOPHILLIPS                 COM              20825C104     5767    88000 SH        OTHER   01                 0    88000        0
CONSECO INC                    COM NEW          208464883     2804   121400 SH        OTHER   01                 0   121400        0
CORPORATE OFFICE PPTYS TR      SH BEN INT       22002T108     1814    43100 SH        OTHER   01                 0    43100        0
DISCOVERY HOLDING CO           CL A COM         25468Y107     3941   269400 SH        OTHER   01                 0   269400        0
DONNELLEY R R & SONS CO        COM              257867101     1930    60400 SH        OTHER   01                 0    60400        0
ECHOSTAR COMMUNICATIONS NEW    CL A             278762109     1673    54300 SH        OTHER   01                 0    54300        0
EMERSON ELEC CO                COM              291011104     2883    34400 SH        OTHER   01                 0    34400        0
ESSEX PPTY TR INC              COM              297178105     1742    15600 SH        OTHER   01                 0    15600        0
EXPEDIA INC DEL                COM              30212P105      905    60400 SH        OTHER   01                 0    60400        0
EXXON MOBIL CORP               COM              30231G102    14442   235400 SH        OTHER   01                 0   235400        0
FEDERAL REALTY INVT TR         SH BEN INT NEW   313747206     1771    25300 SH        OTHER   01                 0    25300        0
FORD MTR CO CAP TR II          PFD TR CV6.5%    345395206      278    10000 SH        DEFINED 02             10000        0        0
FORTUNE BRANDS INC             COM              349631101     1726    24300 SH        OTHER   01                 0    24300        0
GAP INC DEL                    COM              364760108     1740   100000 SH        OTHER   01                 0   100000        0
GENERAL ELECTRIC CO            COM              369604103     1582    48000 SH        DEFINED 01             48000        0        0
GENERAL ELECTRIC CO            COM              369604103     7086   215000 SH        OTHER   01                 0   215000        0
GOLDMAN SACHS GROUP INC        COM              38141G104      752     5000 SH        SOLE                    5000        0        0
HALLIBURTON CO                 COM              406216101     1781    24000 SH        OTHER   01                 0    24000        0
HARLEY DAVIDSON INC            COM              412822108     1987    36200 SH        OTHER   01                 0    36200        0
HARTFORD FINL SVCS GROUP INC   COM              416515104    18130   214300 SH        DEFINED 02            214300        0        0
HILTON HOTELS CORP             COM              432848109     1357    48000 SH        OTHER   01                 0    48000        0
HOME DEPOT INC                 COM              437076102     2112    59000 SH        OTHER   01                 0    59000        0
HSBC HLDGS PLC                 SPON ADR NEW     404280406     3932    44500 SH        OTHER   01                 0    44500        0
INTEL CORP                     COM              458140100     3798   199900 SH        OTHER   01                 0   199900        0
INTERMEC INC                   COM              458786100   290369 12657764 SH        DEFINED 01          12657764        0        0
ISHARES TR                     MSCI EAFE IDX    464287465    49788   761400 SH        DEFINED 01            761400        0        0
JOHNSON & JOHNSON              COM              478160104     5273    88000 SH        OTHER   01                 0    88000        0
JP MORGAN CHASE & CO           COM              46625H100     4192    99800 SH        OTHER   01                 0    99800        0
KINETIC CONCEPTS INC           COM NEW          49460W208     1656    37500 SH        OTHER   01                 0    37500        0
KRAFT FOODS INC                CL A             50075N104      958    31000 SH        DEFINED 01             31000        0        0
LABORATORY CORP AMER HLDGS     COM NEW          50540R409     2184    35100 SH        OTHER   01                 0    35100        0
LAUDER ESTEE COS INC           CL A             518439104      669    17300 SH        OTHER   01                 0    17300        0
LAUDER ESTEE COS INC           CL A             518439104     1686    43600 SH        OTHER   01                 0    43600        0
LENNAR CORP                    CL A             526057104      932    21000 SH        OTHER   01                 0    21000        0
LIBERTY GLOBAL INC             COM SER C        530555309     1910    92870 SH        OTHER   01                 0    92870        0
LIMITED BRANDS INC             COM              532716107     1732    67700 SH        OTHER   01                 0    67700        0
LIZ CLAIBORNE INC              COM              539320101     2261    61000 SH        OTHER   01                 0    61000        0
MACK CALI RLTY CORP            COM              554489104     1768    38500 SH        OTHER   01                 0    38500        0
MASCO CORP                     COM              574599106     1992    67200 SH        OTHER   01                 0    67200        0
MBIA INC                       COM              55262C100     1874    32000 SH        OTHER   01                 0    32000        0
MCDONALDS CORP                 COM              580135101     2352    70000 SH        OTHER   01                 0    70000        0
MCGRAW HILL COS INC            COM              580645109     4521    90000 SH        OTHER   01                 0    90000        0
MEDIMMUNE INC                  COM              584699102     2182    80500 SH        OTHER   01                 0    80500        0
MERRILL LYNCH & CO INC         COM              590188108     3130    45000 SH        OTHER   01                 0    45000        0
MGIC INVT CORP WIS             COM              552848103     2301    35400 SH        OTHER   01                 0    35400        0
MICROSOFT CORP                 COM              594918104     3069   131700 SH        OTHER   01                 0   131700        0
MOLSON COORS BREWING CO        CL B             60871R209     1412    20800 SH        OTHER   01                 0    20800        0
NATIONAL SEMICONDUCTOR CORP    COM              637640103     2096    87900 SH        OTHER   01                 0    87900        0
NEWS CORP                      CL A             65248E104     2444   127400 SH        OTHER   01                 0   127400        0
NORTHROP GRUMMAN CORP          COM              666807102    88972  1388889 SH        SOLE                 1388889        0        0
NORTHROP GRUMMAN CORP          COM              666807102   384393  6000511 SH        DEFINED 01           6000511        0        0
OCCIDENTAL PETE CORP DEL       COM              674599105     2512    24500 SH        OTHER   01                 0    24500        0
OMNICARE INC                   COM              681904108     1252    26400 SH        OTHER   01                 0    26400        0
PARTNERRE LTD                  COM              G6852T105     1749    27300 SH        OTHER   01                 0    27300        0
PEMCO AVIATION INC             COM              706444106       38     3600 SH        DEFINED 01              3600        0        0
PEPSICO INC                    COM              713448108     5109    85100 SH        OTHER   01                 0    85100        0
POST PPTYS INC                 COM              737464107     1791    39500 SH        OTHER   01                 0    39500        0
PRAXAIR INC                    COM              74005P104     1836    34000 SH        OTHER   01                 0    34000        0
PROCTER & GAMBLE CO            COM              742718109     6077   109300 SH        OTHER   01                 0   109300        0
PROLOGIS                       SH BEN INT       743410102     1793    34400 SH        OTHER   01                 0    34400        0
PUBLIC STORAGE INC             COM              74460D109     1723    22700 SH        OTHER   01                 0    22700        0
ROYAL DUTCH SHELL PLC          SPONS ADR A      780259206     2545    38000 SH        OTHER   01                 0    38000        0
SAFECO CORP                    COM              786429100     3308    58700 SH        OTHER   01                 0    58700        0
SIMON PPTY GROUP INC NEW       COM              828806109     1767    21300 SH        OTHER   01                 0    21300        0
SNAP ON INC                    COM              833034101     3747    92700 SH        OTHER   01                 0    92700        0
SOVEREIGN BANCORP INC          COM              845905108     2782   137000 SH        OTHER   01                 0   137000        0
SUN MICROSYSTEMS INC           COM              866810104     2126   512400 SH        OTHER   01                 0   512400        0
SUNTRUST BKS INC               COM              867914103     2783    36500 SH        OTHER   01                 0    36500        0
SYSCO CORP                     COM              871829107     1452    47500 SH        OTHER   01                 0    47500        0
TARGET CORP                    COM              87612E106     2688    55000 SH        OTHER   01                 0    55000        0
TAUBMAN CTRS INC               COM              876664103     1738    42500 SH        OTHER   01                 0    42500        0
TENET HEALTHCARE CORP          COM              88033G100     1257   180100 SH        OTHER   01                 0   180100        0
TIFFANY & CO NEW               COM              886547108     1493    45200 SH        OTHER   01                 0    45200        0
TOTAL S A                      SPONSORED ADR    89151E109     3145    48000 SH        OTHER   01                 0    48000        0
TRIBUNE CO NEW                 COM              896047107     2627    81000 SH        OTHER   01                 0    81000        0
UNITED PARCEL SERVICE INC      CL B             911312106     2717    33000 SH        OTHER   01                 0    33000        0
UNITED TECHNOLOGIES CORP       COM              913017109     2283    36000 SH        OTHER   01                 0    36000        0
UNITEDHEALTH GROUP INC         COM              91324P102     1411    31500 SH        OTHER   01                 0    31500        0
UNIVERSAL AMERN FINL CORP      COM              913377107      658    50000 SH        DEFINED                50000        0        0
VANGUARD INTL EQUITY INDEX F   EMR MKT VIPERS   922042858     9912   154200 SH        DEFINED 01            154200        0        0
VERIZON COMMUNICATIONS         COM              92343V104      282     8428 SH        DEFINED 01              8428        0        0
VIACOM INC NEW                 CL B             92553P201      358    10000 SH        OTHER   01                 0    10000        0
WAL MART STORES INC            COM              931142103     3757    78000 SH        OTHER   01                 0    78000        0
WALGREEN CO                    COM              931422109     4932   110000 SH        OTHER   01                 0   110000        0
WASHINGTON MUT INC             COM              939322103     3975    87200 SH        OTHER   01                 0    87200        0
WATSON PHARMACEUTICALS INC     COM              942683103      857    36800 SH        OTHER   01                 0    36800        0
WHOLE FOODS MKT INC            COM              966837106     1875    29000 SH        OTHER   01                 0    29000        0
XEROX CORP                     COM              984121103     2610   187600 SH        OTHER   01                 0   187600        0
ZALE CORP NEW                  COM              988858106     2055    85300 SH        OTHER   01                 0    85300        0