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, 2007

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 03, 2007

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

Form13F Information Table Entry Total:     125

Form13F Information Table Value Total:     $1,315,260 (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



                                    
                                                     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     3749    70000 SH        OTHER   1                  0    70000        0
ALPHARMA INC                   CL A             020813101     2483    95455 SH        OTHER   1                  0    95455        0
ALTRIA GROUP INC               COM              02209S103    15782   225000 SH        OTHER   1                  0   225000        0
AMERICAN EXPRESS CO            COM              025816109     3530    57700 SH        OTHER   1                  0    57700        0
AMERICAN INTL GROUP INC        COM              026874107     3046    43500 SH        OTHER   1                  0    43500        0
AMERIPRISE FINL INC            COM              03076C106      973    15300 SH        OTHER   1                  0    15300        0
AMERIPRISE FINL INC            COM              03076C106     1592    25040 SH        OTHER   1                  0    25040        0
ANHEUSER BUSCH COS INC         COM              035229103     2712    52000 SH        OTHER   1                  0    52000        0
AUTOMATIC DATA PROCESSING IN   COM              053015103     2424    50000 SH        OTHER   1                  0    50000        0
AVALONBAY CMNTYS INC           COM              053484101     1902    16000 SH        OTHER   1                  0    16000        0
BAKER HUGHES INC               COM              057224107    45338   538900 SH        DEFINED 1             538900        0        0
BANK OF AMERICA CORPORATION    COM              060505104     4156    85000 SH        OTHER   1                  0    85000        0
BAUSCH & LOMB INC              COM              071707103     3173    45700 SH        OTHER   1                  0    45700        0
BEARINGPOINT INC               COM              074002106     3200   437700 SH        OTHER   1                  0   437700        0
BIO RAD LABS INC               CL A             090572207     1149    15200 SH        OTHER   1                  0    15200        0
BLACK & DECKER CORP            COM              091797100     1280    14500 SH        OTHER   1                  0    14500        0
BOSTON PROPERTIES INC          COM              101121101     2410    23600 SH        OTHER   1                  0    23600        0
BP PLC                         SPONSORED ADR    055622104     2525    35000 SH        OTHER   1                  0    35000        0
BROADRIDGE FINL SOLUTIONS IN   COM              11133T103      239    12500 SH        OTHER   1                  0    12500        0
BRUNSWICK CORP                 COM              117043109     1556    47700 SH        OTHER   1                  0    47700        0
CAMDEN PPTY TR                 SH BEN INT       133131102     1909    28500 SH        OTHER   1                  0    28500        0
CAPITAL ONE FINL CORP          COM              14040H105     2353    30000 SH        OTHER   1                  0    30000        0
CATERPILLAR INC DEL            COM              149123101     3132    40000 SH        OTHER   1                  0    40000        0
CHEVRON CORP NEW               COM              166764100     7959    94480 SH        OTHER   1                  0    94480        0
CITIGROUP INC                  COM              172967101     8068   157300 SH        OTHER   1                  0   157300        0
COCA COLA CO                   COM              191216100     6670   127500 SH        OTHER   1                  0   127500        0
CONOCOPHILLIPS                 COM              20825C104     7301    93000 SH        OTHER   1                  0    93000        0
CONSECO INC                    COM NEW          208464883     3725   178300 SH        OTHER   1                  0   178300        0
CORPORATE OFFICE PPTYS TR      SH BEN INT       22002T108     1932    47100 SH        OTHER   1                  0    47100        0
DISCOVERY HOLDING CO           CL A COM         25468Y107     6194   269400 SH        OTHER   1                  0   269400        0
DONNELLEY R R & SONS CO        COM              257867101     2628    60400 SH        OTHER   1                  0    60400        0
DOUGLAS EMMETT INC             COM              25960P109     2098    84800 SH        OTHER   1                  0    84800        0
ELECTRONICS FOR IMAGING INC    COM              286082102     1276    45200 SH        OTHER   1                  0    45200        0
EMERSON ELEC CO                COM              291011104     3220    68800 SH        OTHER   1                  0    68800        0
ESSEX PPTY TR INC              COM              297178105     2047    17600 SH        OTHER   1                  0    17600        0
EXPEDIA INC DEL                COM              30212P105     2487    84900 SH        OTHER   1                  0    84900        0
EXXON MOBIL CORP               COM              30231G102    19745   235400 SH        OTHER   1                  0   235400        0
FOOT LOCKER INC                COM              344849104     2136    98000 SH        OTHER   1                  0    98000        0
FORD MTR CO CAP TR II          PFD TR CV6.5%    345395206      385    10000 SH        DEFINED                10000        0        0
FORTUNE BRANDS INC             COM              349631101     1862    22600 SH        OTHER   1                  0    22600        0
GENERAL ELECTRIC CO            COM              369604103     8613   225000 SH        OTHER   1                  0   225000        0
GENERAL ELECTRIC CO            COM              369604103     1837    48000 SH        DEFINED 1              48000        0        0
GOLDMAN SACHS GROUP INC        COM              38141G104     1084     5000 SH        SOLE                    5000        0        0
GRAINGER W W INC               COM              384802104     1293    13900 SH        OTHER   1                  0    13900        0
HALLIBURTON CO                 COM              406216101     2588    75000 SH        OTHER   1                  0    75000        0
HARLEY DAVIDSON INC            COM              412822108     1663    27900 SH        OTHER   1                  0    27900        0
HARTFORD FINL SVCS GROUP INC   COM              416515104    19554   198500 SH        DEFINED               198500        0        0
HILTON HOTELS CORP             COM              432848109     2176    65000 SH        OTHER   1                  0    65000        0
HOME DEPOT INC                 COM              437076102     2558    65000 SH        OTHER   1                  0    65000        0
HSBC HLDGS PLC                 SPON ADR NEW     404280406     4130    45000 SH        OTHER   1                  0    45000        0
IDEARC INC                     COM              451663108     1286    36400 SH        OTHER   1                  0    36400        0
INTEL CORP                     COM              458140100     4746   199900 SH        OTHER   1                  0   199900        0
INTERMEC INC                   COM              458786100   320368 12657764 SH        DEFINED 1           12657764        0        0
ISHARES TR                     MSCI EAFE IDX    464287465    61498   761400 SH        DEFINED 1             761400        0        0
JOHNSON & JOHNSON              COM              478160104     5423    88000 SH        OTHER   1                  0    88000        0
JP MORGAN CHASE & CO           COM              46625H100     4835    99800 SH        OTHER   1                  0    99800        0
KINETIC CONCEPTS INC           COM NEW          49460W208     3108    59800 SH        OTHER   1                  0    59800        0
KRAFT FOODS INC                CL A             50075N104     3374    95704 SH        OTHER   1                  0    95704        0
LABORATORY CORP AMER HLDGS     COM NEW          50540R409     1557    19900 SH        OTHER   1                  0    19900        0
LAUDER ESTEE COS INC           CL A             518439104      787    17300 SH        OTHER   1                  0    17300        0
LENNAR CORP                    CL A             526057104      768    21000 SH        OTHER   1                  0    21000        0
LIBERTY GLOBAL INC             COM SER C        530555309     1201    30570 SH        OTHER   1                  0    30570        0
LIMITED BRANDS INC             COM              532716107     1858    67700 SH        OTHER   1                  0    67700        0
LIZ CLAIBORNE INC              COM              539320101     2383    63900 SH        OTHER   1                  0    63900        0
LOWES COS INC                  COM              548661107      246     8000 SH        OTHER   1                  0     8000        0
MASCO CORP                     COM              574599106     1913    67200 SH        OTHER   1                  0    67200        0
MBIA INC                       COM              55262C100     1711    27500 SH        OTHER   1                  0    27500        0
MCDONALDS CORP                 COM              580135101     3553    70000 SH        OTHER   1                  0    70000        0
MCGRAW HILL COS INC            COM              580645109     6127    90000 SH        OTHER   1                  0    90000        0
MDS INC                        COM              55269P302     4522   222300 SH        OTHER   1                  0   222300        0
MERRILL LYNCH & CO INC         COM              590188108     3761    45000 SH        OTHER   1                  0    45000        0
MICROCHIP TECHNOLOGY INC       COM              595017104     1019    27500 SH        OTHER   1                  0    27500        0
MICRON TECHNOLOGY INC          COM              595112103     1074    85700 SH        OTHER   1                  0    85700        0
MICROSOFT CORP                 COM              594918104     3881   131700 SH        OTHER   1                  0   131700        0
MOLSON COORS BREWING CO        CL B             60871R209     1017    11000 SH        OTHER   1                  0    11000        0
MUELLER WTR PRODS INC          COM SER B        624758207      920    61305 SH        OTHER   1                  0    61305        0
NATIONAL SEMICONDUCTOR CORP    COM              637640103     3751   132700 SH        OTHER   1                  0   132700        0
NEWS CORP                      CL A             65248E104     2702   127400 SH        OTHER   1                  0   127400        0
NORTHROP GRUMMAN CORP          COM              666807102   434563  5580619 SH        DEFINED 1            5580619        0        0
NORTHROP GRUMMAN CORP          COM              666807102    73741   946981 SH        SOLE                  946981        0        0
OCCIDENTAL PETE CORP DEL       COM              674599105     2836    49000 SH        OTHER   1                  0    49000        0
OMNICARE INC                   COM              681904108     3516    97500 SH        OTHER   1                  0    97500        0
PARTNERRE LTD                  COM              G6852T105     1527    19700 SH        OTHER   1                  0    19700        0
PEMCO AVIATION INC             COM              706444106       34     3600 SH        DEFINED 1               3600        0        0
PENTAIR INC                    COM              709631105     1265    32800 SH        OTHER   1                  0    32800        0
PEPSICO INC                    COM              713448108     5519    85100 SH        OTHER   1                  0    85100        0
PRAXAIR INC                    COM              74005P104     2448    34000 SH        OTHER   1                  0    34000        0
PROCTER & GAMBLE CO            COM              742718109     6688   109300 SH        OTHER   1                  0   109300        0
PROLOGIS                       SH BEN INT       743410102     1957    34400 SH        OTHER   1                  0    34400        0
PRUDENTIAL FINL INC            COM              744320102     1945    20000 SH        OTHER   1                  0    20000        0
PUBLIC STORAGE                 COM              74460D109     1744    22700 SH        OTHER   1                  0    22700        0
QUALCOMM INC                   COM              747525103     1302    30000 SH        OTHER   1                  0    30000        0
ROYAL DUTCH SHELL PLC          SPONS ADR A      780259206     3086    38000 SH        OTHER   1                  0    38000        0
SAFECO CORP                    COM              786429100     1718    27600 SH        OTHER   1                  0    27600        0
SCRIPPS E W CO OHIO            CL A             811054204     2294    50200 SH        OTHER   1                  0    50200        0
SIMON PPTY GROUP INC NEW       COM              828806109     1982    21300 SH        OTHER   1                  0    21300        0
SL GREEN RLTY CORP             COM              78440X101     1858    15000 SH        OTHER   1                  0    15000        0
SNAP ON INC                    COM              833034101     3319    65700 SH        OTHER   1                  0    65700        0
SOVEREIGN BANCORP INC          COM              845905108     2377   112450 SH        OTHER   1                  0   112450        0
SPRINT NEXTEL CORP             COM FON          852061100      766    37000 SH        OTHER   1                  0    37000        0
SUN MICROSYSTEMS INC           COM              866810104     2695   512400 SH        OTHER   1                  0   512400        0
SUNTRUST BKS INC               COM              867914103     3130    36500 SH        OTHER   1                  0    36500        0
SYSCO CORP                     COM              871829107     1814    55000 SH        OTHER   1                  0    55000        0
TARGET CORP                    COM              87612E106     3498    55000 SH        OTHER   1                  0    55000        0
TAUBMAN CTRS INC               COM              876664103     2108    42500 SH        OTHER   1                  0    42500        0
TENET HEALTHCARE CORP          COM              88033G100     3134   481400 SH        OTHER   1                  0   481400        0
TEXAS INSTRS INC               COM              882508104     2269    60300 SH        OTHER   1                  0    60300        0
THOR INDS INC                  COM              885160101     1625    36000 SH        OTHER   1                  0    36000        0
TIFFANY & CO NEW               COM              886547108     2191    41300 SH        OTHER   1                  0    41300        0
TOTAL S A                      SPONSORED ADR    89151E109     3887    48000 SH        OTHER   1                  0    48000        0
TRANSOCEAN INC                 ORD              G90078109     1367    12900 SH        OTHER   1                  0    12900        0
UNITED PARCEL SERVICE INC      CL B             911312106     1460    20000 SH        OTHER   1                  0    20000        0
UNITED TECHNOLOGIES CORP       COM              913017109     2837    40000 SH        OTHER   1                  0    40000        0
UNITEDHEALTH GROUP INC         COM              91324P102     1100    21500 SH        OTHER   1                  0    21500        0
UNIVERSAL AMERN FINL CORP      COM              913377107     1064    50000 SH        DEFINED                50000        0        0
VANGUARD INTL EQUITY INDEX F   EMR MKT ETF      922042858    14077   154200 SH        DEFINED 1             154200        0        0
VIRGIN MEDIA INC               COM              92769L101     2332    95700 SH        OTHER   1                  0    95700        0
WAL MART STORES INC            COM              931142103     3753    78000 SH        OTHER   1                  0    78000        0
WALGREEN CO                    COM              931422109     4789   110000 SH        OTHER   1                  0   110000        0
WALTER INDS INC                COM              93317Q105     1074    37100 SH        OTHER   1                  0    37100        0
WASHINGTON MUT INC             COM              939322103     3718    87200 SH        OTHER   1                  0    87200        0
WEINGARTEN RLTY INVS           SH BEN INT       948741103     1965    47800 SH        OTHER   1                  0    47800        0
WHOLE FOODS MKT INC            COM              966837106     1149    30000 SH        OTHER   1                  0    30000        0
XEROX CORP                     COM              984121103     3413   184700 SH        OTHER   1                  0   184700        0
ZALE CORP NEW                  COM              988858106     3095   130000 SH        OTHER   1                  0   130000        0