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

                                    FORM 13F

                               FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: 06/30/2012

Check here if Amendment [_] Amendment Number:
This Amendment          [_] is a restatement

Institutional Investment Manager Filing this Report:

Name:     HORIZON BANCORP
Address:  515 FRANKLIN ST
          MICHIGAN CITY, IN 46360

13F File Number: 28-6479

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:  Mark E. Secor
Title: Chief Financial Officer
Phone: 219-873-2611

Signature, Place, and Date of Signing:
/s/Mark E. Secor, Chief Financial Officer, Michigan City, IN
1        7/5/2012

Report Type (Check only one)
    [X] 13F HOLDINGS REPORT
    [_] 13F COMBINATION REPORT




                              FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:                0

Form 13F Information Table Entry Total:           151

Form 13F Information Table Value Total:           $ 52,325

List of Other Included Managers:

Provide a numbered list of the name(s) and Form 13F file number(s) of all
institutional investment Managers with respect to which this report is filed,
other than the Manager filing this report.

NONE




                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
AFLAC INC                  COMMON STOCK      001055102     175    4098 SH       SOLE                  417
                                                                                SOLE                                    3681
                                                           135    3180 SH       DEFINED              1452
                                                                                DEFINED                                 1728
                                                            15     343 SH       OTHER                 343
AT&T INC                   COMMON STOCK      00206R102     233    6523 SH       DEFINED                                 6523
                                                             8     225 SH       OTHER                                    225
                                                            42    1176 SH       DEF/OTH                                 1176
AMERICAN EXPRESS CO        COMMON STOCK      025816109     270    4638 SH       DEFINED                                 4638
AMETEK INC                 COMMON STOCK      031100100       2      50 SH       SOLE                                      50
                                                           238    4767 SH       DEFINED                                 4767
BERKSHIRE HATHAWAY INC     COMMON STOCK      084670108     250       2 SH       DEFINED                                    2
                                                           125       1 SH       DEF/OTH                                    1
BERKSHIRE HATHAWAY INC     COMMON STOCK      084670702       8     100 SH       SOLE                                     100
                                                           325    3895 SH       DEFINED                                 3895
                                                            63     759 SH       OTHER                                    759
                                                           129    1550 SH       DEF/OTH                                 1550
CSX CORP                   COMMON STOCK      126408103     138    6180 SH       SOLE                  621
                                                                                SOLE                                    5559
                                                           314   14027 SH       DEFINED              2057
                                                                                DEFINED                                11970

COLUMN TOTALS                                             2470





                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
CSX CORP                   COMMON STOCK      126408103     314   14027 SH
                                                            13     585 SH       OTHER                 435
                                                                                OTHER                                    150
CVS CAREMARK CORP          COMMON STOCK      126650100     146    3127 SH       SOLE                  316
                                                                                SOLE                                    2811
                                                           113    2408 SH       DEFINED              1099
                                                                                DEFINED                                 1309
                                                            18     385 SH       OTHER                 185
                                                                                OTHER                                    200
                                                            20     435 SH       DEF/OTH                                  435
CATERPILLAR INC            COMMON STOCK      149123101     133    1567 SH       SOLE                  150
                                                                                SOLE                                    1417
                                                           101    1184 SH       DEFINED               540
                                                                                DEFINED                                  644
                                                            19     226 SH       OTHER                 126
                                                                                OTHER                                    100
CHEVRON CORP               COMMON STOCK      166764100     206    1951 SH       SOLE                  197
                                                                                SOLE                                    1754
                                                           382    3620 SH       DEFINED              1127
                                                                                DEFINED                                 2493
                                                            91     858 SH       OTHER                 558
                                                                                OTHER                                    300
                                                            17     164 SH       DEF/OTH                                  164
COCA COLA CO               COMMON STOCK      191216100     135    1729 SH       SOLE                  168
                                                                                SOLE                                    1561

COLUMN TOTALS                                             1394





                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
COCA COLA CO               COMMON STOCK      191216100     135    1729 SH
                                                           102    1301 SH       DEFINED               597
                                                                                DEFINED                                  704
                                                            56     710 SH       OTHER                 180
                                                                                OTHER                                    530
                                                             0       1 SH       DEF/OTH                                    1
CONAGRA FOODS              COMMON STOCK      205887102     116    4490 SH       SOLE                  464
                                                                                SOLE                                    4026
                                                            90    3475 SH       DEFINED              1629
                                                                                DEFINED                                 1846
                                                             9     350 SH       OTHER                 350
DIRECTV GROUP INC          COMMON STOCK      25490A101     158    3228 SH       SOLE                  320
                                                                                SOLE                                    2908
                                                           133    2721 SH       DEFINED              1162
                                                                                DEFINED                                 1559
                                                            11     233 SH       OTHER                 233
DU PONT E I DE NEMOURS     COMMON STOCK      263534109      88    1731 SH       SOLE                  185
 & CO                                                                           SOLE                                    1546
                                                            97    1918 SH       DEFINED               944
                                                                                DEFINED                                  974
                                                            33     645 SH       OTHER                 145
                                                                                OTHER                                    500
EXXON MOBIL CORP           COMMON STOCK      30231G102     274    3200 SH       DEFINED                                 3200
                                                            65     763 SH       OTHER                                    763
                                                            57     664 SH       DEF/OTH                                  664

COLUMN TOTALS                                             1289





                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
EXXON MOBIL CORP           COMMON STOCK      30231G102      57     664 SH
GENERAL ELECTRIC CO        COMMON STOCK      369604103      96    4627 SH       SOLE                  478
                                                                                SOLE                                    4149
                                                           171    8183 SH       DEFINED              1931
                                                                                DEFINED                                 6252
                                                            36    1714 SH       OTHER                1214
                                                                                OTHER                                    500
                                                            38    1843 SH       DEF/OTH                                 1843
HORIZON BANCORP IND        COMMON STOCK      440407104      10     375 SH       SOLE                                     375
                                                         22645  861017 SH       DEFINED            591461
                                                                                DEFINED                               269556
                                                           795   30220 SH       OTHER                                  30220
                                                          3827  145517 SH       DEF/OTH              4860
                                                                                DEF/OTH                               140657

COLUMN TOTALS                                            27618





                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
HORIZON BANCORP            COMMON STOCK      440407104    3827  145517 SH
 INTERNATIONAL             COMMON STOCK      459200101     236    1208 SH       SOLE                  122
BUSINESS MACHINES                                                               SOLE                                    1086
                                                           385    1966 SH       DEFINED               443
                                                                                DEFINED                                 1523
                                                            33     169 SH       OTHER                 119
                                                                                OTHER                                     50
ISHARES                    ETF-EQUITY        464287549     745   11371 SH       SOLE                 1147
                                                                                SOLE                                   10224
                                                           600    9153 SH       DEFINED              4010
                                                                                DEFINED                                 5143
                                                            58     880 SH       OTHER                 755
                                                                                OTHER                                    125
JOHNSON & JOHNSON          COMMON STOCK      478160104     193    2864 SH       SOLE                  282
                                                                                SOLE                                    2582
                                                           201    2975 SH       DEFINED              1293
                                                                                DEFINED                                 1682
                                                            28     420 SH       OTHER                 220
                                                                                OTHER                                    200
L-3 COMMUNICATIONS         COMMON STOCK      502424104     123    1663 SH       SOLE                  168
 HOLDINGS CORP                                                                  SOLE                                    1495
                                                           103    1394 SH       DEFINED               590
                                                                                DEFINED                                  804
                                                            28     382 SH       OTHER                 132
                                                                                OTHER                                    250
LABORATORY CORP            COMMON STOCK      50540R409     198    2140 SH       SOLE                  212

COLUMN TOTALS                                             2931





                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
LABORATORY CORP AMERICA    COMMON STOCK      50540R409     198    2140 SH       SOLE                                    1928
 HLDGS
                                                           156    1684 SH       DEFINED               767
                                                                                DEFINED                                  917
                                                            27     288 SH       OTHER                 188
                                                                                OTHER                                    100
MARATHON OIL CORP          COMMON STOCK      565849106     108    4208 SH       SOLE                  422
                                                                                SOLE                                    3786
                                                            90    3517 SH       DEFINED              1524
                                                                                DEFINED                                 1993
                                                            10     387 SH       OTHER                 337
                                                                                OTHER                                     50
                                                             8     331 SH       DEF/OTH                                  331
MARATHON PETE CORP         COMMON STOCK      56585A102     109    2425 SH       SOLE                  245
                                                                                SOLE                                    2180
                                                            88    1950 SH       DEFINED               881
                                                                                DEFINED                                 1069
                                                            10     218 SH       OTHER                 168
                                                                                OTHER                                     50
                                                             7     165 SH       DEF/OTH                                  165
MICROSOFT CORP             COMMON STOCK      594918104     207    6765 SH       SOLE                  687
                                                                                SOLE                                    6078
                                                           161    5278 SH       DEFINED              2395

COLUMN TOTALS                                              981





                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
MICROSOFT CORP             COMMON STOCK      594918104     161    5278 SH       DEFINED                                 2883
                                                            45    1467 SH       OTHER                 347
                                                                                OTHER                                   1120
                                                            24     778 SH       DEF/OTH                                  778
MIGRATEC INC               COMMON STOCK      598622108       0  100000 SH       DEF/OTH                               100000
NATIONAL OIL WELL          COMMON STOCK      637071101     160    2481 SH       SOLE                  246
VARCO INC                                                                       SOLE                                    2235
                                                           126    1961 SH       DEFINED               910
                                                                                DEFINED                                 1051
                                                            12     191 SH       OTHER                 191
OMNICOM GROUP              COMMON STOCK      681919106     136    2801 SH       SOLE                  294
                                                                                SOLE                                    2507
                                                           131    2692 SH       DEFINED              1020
                                                                                DEFINED                                 1672
                                                             9     190 SH       OTHER                 190
PAYCHEX INC                COMMON STOCK      704326107     119    3792 SH       SOLE                  386
                                                                                SOLE                                    3406
                                                            94    2999 SH       DEFINED              1411
                                                                                DEFINED                                 1588
                                                             8     263 SH       OTHER                 263
PEPSICO INC                COMMON STOCK      713448108     105    1479 SH       SOLE                  143
                                                                                SOLE                                    1336
                                                           208    2941 SH       DEFINED               546
                                                                                DEFINED                                 2395
                                                            27     377 SH       OTHER                 177

COLUMN TOTALS                                             1204





                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
PEPSICO INC                COMMON STOCK      713448108      27     377 SH       OTHER                                    200
                                                            17     236 SH       DEF/OTH                                  236
PFIZER INC                 COMMON STOCK      717081103    2028   88173 SH       DEFINED                                88173
                                                          2881  125280 SH       OTHER                                 125280
                                                            18     794 SH       DEF/OTH                                  794
PHILIP MORRIS              COMMON STOCK      718172109     191    2193 SH       SOLE                  216
 INTERNATIONAL INC                                                              SOLE                                    1977
                                                           445    5094 SH       DEFINED              1979
                                                                                DEFINED                                 3115
                                                            43     493 SH       OTHER                  43
                                                                                OTHER                                    450
POWERSHARES                ETF-EQUITY        73935X500      36    8042 SH       SOLE                  847
                                                                                SOLE                                    7195
                                                            27    6090 SH       DEFINED              2847
                                                                                DEFINED                                 3243
                                                             2     564 SH       OTHER                 564
SPDR                       ETF-ALTERNATIVE   78463V107     281    1809 SH       DEFINED                25
                           ASSETS                                               DEFINED                                 1784
                                                            66     426 SH       OTHER                 426
                                                             0       3 SH       DEF/OTH                                    3
SPDR                       ETF-EQUITY        78464A698     148    5388 SH       SOLE                  540
                                                                                SOLE                                    4848
                                                           103    3760 SH       DEFINED              1858
                                                                                DEFINED                                 1902
                                                            14     511 SH       OTHER                 341

COLUMN TOTALS                                             6300





                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
SPDR                       ETF-EQUITY        78464A698      14     511 SH       OTHER                                    170
SELECT SECTORS             ETF-EQUITY        81369Y506     263    3957 SH       SOLE                  392
                                                                                SOLE                                    3565
                                                           206    3103 SH       DEFINED              1431
                                                                                DEFINED                                 1672
                                                            20     308 SH       OTHER                 308
SELECT SECTORS             ETF-EQUITY        81369Y886     339    9160 SH       SOLE                  921
                                                                                SOLE                                    8239
                                                           258    6972 SH       DEFINED              3241
                                                                                DEFINED                                 3731
                                                            36     982 SH       OTHER                 682
                                                                                OTHER                                    300
AMERITRADE HOLDING CORP    COMMON STOCK      87236Y108     130    7662 SH       SOLE                  780
                                                                                SOLE                                    6882
                                                           101    5923 SH       DEFINED              2767
                                                                                DEFINED                                 3156
                                                             9     517 SH       OTHER                 517
TJX COS INC                COMMON STOCK      872540109     248    5768 SH       SOLE                  591
                                                                                SOLE                                    5177
                                                           195    4553 SH       DEFINED              2078
                                                                                DEFINED                                 2475
                                                            19     434 SH       OTHER                 434
TTC TECHNOLOGY CORP        COMMON STOCK      87304R100       0   41700 SH       DEFINED                                41700
VANGUARD                   ETF-EQUITY        92204A108     239    3448 SH       SOLE                  341
                                                                                SOLE                                    3107
COLUMN TOTALS                                             2063





                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
VANGUARD                   ETF-EQUITY        92204A108     239    3448 SH
                                                           191    2755 SH       DEFINED              1273
                                                                                DEFINED                                 1482
                                                            14     202 SH       OTHER                 202
VANGUARD                   ETF-EQUITY        92204A207     297    3370 SH       SOLE                  332
                                                                                SOLE                                    3038
                                                           233    2644 SH       DEFINED              1213
                                                                                DEFINED                                 1431
                                                            26     295 SH       OTHER                 295
VANGUARD                   ETF-EQUITY        92204A405     306    9864 SH       SOLE                  998
                                                                                SOLE                                    8866
                                                           249    8013 SH       DEFINED              3531
                                                                                DEFINED                                 4482
                                                            31     987 SH       OTHER                 887
                                                                                OTHER                                    100
VANGUARD                   ETF-EQUITY        92204A504     408    5918 SH       SOLE                  597
                                                                                SOLE                                    5321
                                                           320    4641 SH       DEFINED              2106
                                                                                DEFINED                                 2535
                                                            13     182 SH       OTHER                 182
VANGUARD                   ETF-EQUITY        92204A603     156    2340 SH       SOLE                  235
                                                                                SOLE                                    2105
                                                           126    1899 SH       DEFINED               860
                                                                                DEFINED                                 1039

COLUMN TOTALS                                             2370





                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
VANGUARD                   ETF-EQUITY        92204A603      16     236 SH       OTHER                 236
VANGUARD                   ETF-EQUITY        92204A801     200    2566 SH       SOLE                  261
                                                                                SOLE                                    2305
                                                           153    1968 SH       DEFINED               892
                                                                                DEFINED                                 1076
                                                            13     172 SH       OTHER                 172
VANGUARD                   ETF-EQUITY        92204A884     262    3864 SH       SOLE                  398
                                                                                SOLE                                    3466
                                                           205    3024 SH       DEFINED              1357
                                                                                DEFINED                                 1667
                                                            17     251 SH       OTHER                 251
WAL MART STORES INC        COMMON STOCK      931142103     109    1570 SH       SOLE                  150
                                                                                SOLE                                    1420
                                                           213    3060 SH       DEFINED              1450
                                                                                DEFINED                                 1610
                                                            15     216 SH       OTHER                 140
                                                                                OTHER                                     76
                                                            36     521 SH       DEF/OTH                                  521
WALGREEN CO                COMMON STOCK      931422109     482   16304 SH       DEFINED               379
                                                                                DEFINED                                15925
                                                            18     600 SH       OTHER                                    600
                                                            11     369 SH       DEF/OTH                                  369
WELLS FARGO & CO           COMMON STOCK      949746101     259    7750 SH       SOLE                  782
                                                                                SOLE                                    6968

COLUMN TOTALS                                             2009





                           FORM 13F INFORMATION TABLE



                                                                 SHS                                  VOTING AUTHORITY
NAME OF ISSUER                                          VALUE    PRN   SH  PUT  INVSTMT  OTHER   ---------------------------
SECURITY NAME               TITLE OF CLASS     CUSIP   X $1000  AMOUNT PRN CALL DISCRTN MANAGERS   SOLE    SHARED    NONE
-------------------------- ----------------- --------- ------- ------- --- ---- ------- -------- -------- -------- ---------
                                                                                  
WELLS FARGO & CO           COMMON STOCK      949746101     436   13048 SH       DEFINED              4485
                                                                                DEFINED                                 8563
                                                            37    1114 SH       OTHER                 614
                                                                                OTHER                                    500
                                                           127    4920 SH       OTHER                                   4920
XPO LOGISTICS INC          COMMON STOCK      983793100     878   52291 SH       DEFINED             52291
NOBLE CORPORATION          COMMON STOCK      H5833N103     118    3632 SH       SOLE                  377
 SWITZERLAND                                                                    SOLE                                    3255
                                                            91    2785 SH       DEFINED              1266
                                                                                DEFINED                                 1519
                                                             9     270 SH       OTHER                 270

COLUMN TOTALS                                             1696

AGGREGATE TOTAL                                          52325