UNITED STATES
                      SECURITIES AND EXCHANGE COMMISSION
                            Washington, D.C. 20549
                                   FORM 13F
                              FORM 13F COVER PAGE

Report for the Calendar Year or Quarter Ended: 12/31/2012

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         01/04/2013

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



                          FORM 13F INFORMATION TABLE



                                                    VALUE SHS                                 VOTING AUTHORITY
NAME OF ISSUER             TITLE                      X   PRN    SH   PUT  INVSTMT  OTHER     -----------------
SECURITY NAME              OF CLASS      CUSIP      $1000 AMOUNT PRN  CALL DISCRTN  MANAGERS  SOLE SHARED NONE
-------------              ------------- ---------- ----- ------ ---  ---- -------- --------  ---- ------ -----
                                                                         

AFLAC INC                  COMMON STOCK  001055102    212   3996 SH        SOLE                700
                                                                           SOLE                            3296

                                                      158   2970 SH        DEFINED            1210
                                                                           DEFINED                         1760

                                                       17    328 SH        OTHER               328

AT&T INC                   COMMON STOCK  00206R102    230   6823 SH        DEFINED            1300
                                                                           DEFINED                         5523

                                                       40   1176 SH        DEF/OTH                         1176

AMERICAN EXPRESS CO        COMMON STOCK  025816109    267   4638 SH        DEFINED                         4638
AMETEK INC                 COMMON STOCK  031100100    269   7150 SH        DEFINED                         7150
BERKSHIRE HATHAWAY INC     COMMON STOCK  084670108    134      1 SH        DEFINED                            1
                                                      134      1 SH        DEF/OTH                            1

BERKSHIRE HATHAWAY INC     COMMON STOCK  084670702      9    100 SH        SOLE                             100
                                                      222   2475 SH        DEFINED                         2475

                                                       70    776 SH        OTHER                            776

                                                      130   1450 SH        DEF/OTH                         1450

CSX CORP                   COMMON STOCK  126408103    119   6046 SH        SOLE               1051
                                                                           SOLE                            4995

                                                      277  14029 SH        DEFINED            1833
                                                                           DEFINED                        12196

                                                       12    585 SH        OTHER               435
                                                                           OTHER                            150
COLUMN TOTALS                                        2300




                          FORM 13F INFORMATION TABLE



                                                    VALUE SHS                                 VOTING AUTHORITY
NAME OF ISSUER             TITLE                      X   PRN    SH   PUT  INVSTMT  OTHER     ----------------
SECURITY NAME              OF CLASS      CUSIP      $1000 AMOUNT PRN  CALL DISCRTN  MANAGERS  SOLE SHARED NONE
-------------              ------------- ---------- ----- ------ ---  ---- -------- --------  ---- ------ ----
                                                                         

CVS CAREMARK CORP          COMMON STOCK  126650100    143   2962 SH        SOLE                519
                                                                           SOLE                           2443

                                                      107   2219 SH        DEFINED             913
                                                                           DEFINED                        1306

                                                       19    385 SH        OTHER               185
                                                                           OTHER                           200

                                                       21    435 SH        DEF/OTH                         435

CATERPILLAR INC            COMMON STOCK  149123101    151   1686 SH        SOLE                301
                                                                           SOLE                           1385

                                                      109   1221 SH        DEFINED             494
                                                                           DEFINED                         727

                                                       20    226 SH        OTHER               126
                                                                           OTHER                           100

CHEVRON CORP               COMMON STOCK  166764100    180   1662 SH        SOLE                297
                                                                           SOLE                           1365

                                                      340   3144 SH        DEFINED             936
                                                                           DEFINED                        2208

                                                       92    847 SH        OTHER               547
                                                                           OTHER                           300

                                                       18    164 SH        DEF/OTH                         164

COCA COLA CO               COMMON STOCK  191216100    102   2816 SH        SOLE                495
                                                                           SOLE                           2321

                                                       79   2183 SH        DEFINED             912
                                                                           DEFINED                        1271

                                                       34    949 SH        OTHER               349
                                                                           OTHER                           600

                                                        0      2 SH        DEF/OTH                           2

COLUMN TOTALS                                        1415




                          FORM 13F INFORMATION TABLE



                                                    VALUE SHS                                 VOTING AUTHORITY
NAME OF ISSUER             TITLE                      X   PRN    SH   PUT  INVSTMT  OTHER     -----------------
SECURITY NAME              OF CLASS      CUSIP      $1000 AMOUNT PRN  CALL DISCRTN  MANAGERS  SOLE SHARED NONE
-------------              ------------- ---------- ----- ------ ---  ---- -------- --------  ---- ------ -----
                                                                         

DIRECTV                    COMMON STOCK  25490A309    150   2982 SH        SOLE                527
                                                                           SOLE                            2455

                                                      120   2389 SH        DEFINED             940
                                                                           DEFINED                         1449

                                                       11    227 SH        OTHER               227

EXXON MOBIL CORP           COMMON STOCK  30231G102    286   3300 SH        DEFINED             100
                                                                           DEFINED                         3200

                                                       35    400 SH        OTHER                            400

                                                       57    664 SH        DEF/OTH                          664

FLUOR CORP                 COMMON STOCK  343412102    115   1950 SH        SOLE                329
                                                                           SOLE                            1621

                                                       85   1440 SH        DEFINED             612
                                                                           DEFINED                          828

                                                        7    122 SH        OTHER               122

HCP INC                    COMMON STOCK  40414L109    153   3383 SH        SOLE                576
                                                                           SOLE                            2807

                                                     1059  23439 SH        DEFINED            1071
                                                                           DEFINED                        22368

                                                       48   1066 SH        OTHER               516
                                                                           OTHER                            550

COLUMN TOTALS                                        2126




                          FORM 13F INFORMATION TABLE



                                                              VALUE SHS                                    VOTING AUTHORITY
NAME OF ISSUER                       TITLE                      X   PRN     SH   PUT  INVSTMT  OTHER     --------------------
SECURITY NAME                        OF CLASS      CUSIP      $1000 AMOUNT  PRN  CALL DISCRTN  MANAGERS   SOLE  SHARED  NONE
-------------                        ------------- ---------- ----- ------- ---  ---- -------- --------  ------ ------ ------
                                                                                      

HORIZON BANCORP IND                  COMMON STOCK  440407104    124    6318 SH        SOLE                               6318
                                                              25121 1278443 SH        DEFINED            878354
                                                                                      DEFINED                          400089

                                                                560   28517 SH        OTHER                             28517

                                                               4366  222172 SH        DEF/OTH              9595
                                                                                      DEF/OTH                          212577

INTEL CORP                           COMMON STOCK  458140100     91    4421 SH        SOLE                  769
                                                                                      SOLE                               3652

                                                                 64    3087 SH        DEFINED              1376
                                                                                      DEFINED                            1711

                                                                 93    4507 SH        OTHER                 307
                                                                                      OTHER                              4200

INTERNATIONAL BUSINESS MACHINES      COMMON STOCK  459200101    252    1314 SH        SOLE                  226
                                                                                      SOLE                               1088
                                                                385    2008 SH        DEFINED               447
                                                                                      DEFINED                            1561

                                                                 31     163 SH        OTHER                 113
                                                                                      OTHER                                50

ISHARES                              ETF-EQUITY    464287549    821   12164 SH        SOLE                 2114
                                                                                      SOLE                              10050

                                                                625    9263 SH        DEFINED              3699
                                                                                      DEFINED                            5564

                                                                 59     880 SH        OTHER                 755
                                                                                      OTHER                               125

COLUMN TOTALS                                                 32592




                          FORM 13F INFORMATION TABLE



                                                              VALUE SHS                                 VOTING AUTHORITY
NAME OF ISSUER                       TITLE                      X   PRN    SH   PUT  INVSTMT  OTHER     ----------------
SECURITY NAME                        OF CLASS      CUSIP      $1000 AMOUNT PRN  CALL DISCRTN  MANAGERS  SOLE SHARED NONE
-------------                        ------------- ---------- ----- ------ ---  ---- -------- --------  ---- ------ ----
                                                                                   

JOHNSON & JOHNSON                    COMMON STOCK  478160104    185   2638 SH        SOLE                456
                                                                                     SOLE                           2182

                                                                187   2668 SH        DEFINED            1010
                                                                                     DEFINED                        1658

                                                                 37    530 SH        OTHER               210
                                                                                     OTHER                           320

L-3 COMMUNICATIONS HOLDINGS CORP     COMMON STOCK  502424104    101   1320 SH        SOLE                229
                                                                                     SOLE                           1091
                                                                 88   1142 SH        DEFINED             414
                                                                                     DEFINED                         728

                                                                 29    382 SH        OTHER               132
                                                                                     OTHER                           250

LAPORTE BANCORP INC                  COMMON STOCK  516651106     34   3957 SH        OTHER                          3957
                                                                 57   6606 SH        DEF/OTH                        6606

MARATHON OIL CORP                    COMMON STOCK  565849106    111   3630 SH        SOLE                641
                                                                                     SOLE                           2989

                                                                 90   2943 SH        DEFINED            1131
                                                                                     DEFINED                        1812

                                                                 11    362 SH        OTHER               312
                                                                                     OTHER                            50

                                                                 10    331 SH        DEF/OTH                         331

COLUMN TOTALS                                                   940




                          FORM 13F INFORMATION TABLE



                                                              VALUE SHS                                 VOTING AUTHORITY
NAME OF ISSUER                       TITLE                      X   PRN    SH   PUT  INVSTMT  OTHER     ----------------
SECURITY NAME                        OF CLASS      CUSIP      $1000 AMOUNT PRN  CALL DISCRTN  MANAGERS  SOLE SHARED NONE
-------------                        ------------- ---------- ----- ------ ---  ---- -------- --------  ---- ------ ----
                                                                                   

MARATHON PETE CORP                   COMMON STOCK  56585A102    133   2115 SH        SOLE                380
                                                                                     SOLE                           1735
                                                                107   1700 SH        DEFINED             684
                                                                                     DEFINED                        1016

                                                                 14    218 SH        OTHER               168
                                                                                     OTHER                            50

                                                                 10    165 SH        DEF/OTH                         165

MICROSOFT CORP                       COMMON STOCK  594918104    181   6763 SH        SOLE               1186
                                                                                     SOLE                           5577

                                                                140   5253 SH        DEFINED            2331
                                                                                     DEFINED                        2922

                                                                 39   1467 SH        OTHER               347
                                                                                     OTHER                          1120

                                                                 21    778 SH        DEF/OTH                         778

NATIONAL OIL WELL VARCO INC          COMMON STOCK  637071101    151   2206 SH        SOLE                384
                                                                                     SOLE                           1822
                                                                126   1844 SH        DEFINED             824
                                                                                     DEFINED                        1020

                                                                 12    175 SH        OTHER               175

OMNICOM GROUP                        COMMON STOCK  681919106    150   3001 SH        SOLE                524
                                                                                     SOLE                           2477

                                                                111   2212 SH        DEFINED             918
                                                                                     DEFINED                        1294

                                                                  9    190 SH        OTHER               190

COLUMN TOTALS                                                  1204




                          FORM 13F INFORMATION TABLE



                                                              VALUE SHS                                  VOTING AUTHORITY
NAME OF ISSUER                       TITLE                      X   PRN    SH   PUT  INVSTMT  OTHER     ------------------
SECURITY NAME                        OF CLASS      CUSIP      $1000 AMOUNT PRN  CALL DISCRTN  MANAGERS  SOLE SHARED  NONE
-------------                        ------------- ---------- ----- ------ ---  ---- -------- --------  ---- ------ ------
                                                                                   

PEPSICO INC                          COMMON STOCK  713448108    106   1547 SH        SOLE                266
                                                                                     SOLE                             1281

                                                                202   2952 SH        DEFINED             488
                                                                                     DEFINED                          2464

                                                                 26    377 SH        OTHER               177
                                                                                     OTHER                             200

                                                                 16    236 SH        DEF/OTH                           236

PFIZER INC                           COMMON STOCK  717081103   2617 104356 SH        DEFINED             400
                                                                                     DEFINED                        103956

                                                               2113  84262 SH        OTHER                           84262

                                                                 20    794 SH        DEF/OTH                           794

PHILIP MORRIS INTERNATIONAL INC      COMMON STOCK  718172109    197   2356 SH        SOLE                410
                                                                                     SOLE                             1946
                                                                426   5092 SH        DEFINED            2044
                                                                                     DEFINED                          3048

                                                                 41    493 SH        OTHER                43
                                                                                     OTHER                             450

POWERSHARES                          ETF-EQUITY    73935X500     33   8063 SH        SOLE               1439
                                                                                     SOLE                             6624

                                                                 24   5874 SH        DEFINED            2449
                                                                                     DEFINED                          3425

                                                                  1    149 SH        OTHER               149

POWERSHARES                          ETF-EQUITY    73935X799    212   6136 SH        SOLE               1069
                                                                                     SOLE                             5067

                                                                150   4352 SH        DEFINED            1923
                                                                                     DEFINED                          2429

                                                                 15    422 SH        OTHER               422

COLUMN TOTALS                                                  6199




                          FORM 13F INFORMATION TABLE



                                                              VALUE SHS                                 VOTING AUTHORITY
NAME OF ISSUER             TITLE                                X   PRN    SH   PUT  INVSTMT  OTHER     ----------------
SECURITY NAME              OF CLASS                CUSIP      $1000 AMOUNT PRN  CALL DISCRTN  MANAGERS  SOLE SHARED NONE
-------------              ----------------------- ---------- ----- ------ ---  ---- -------- --------  ---- ------ ----
                                                                                   

SPDR                       ETF-ALTERNATIVE ASSETS  78463V107    429   2650 SH        DEFINED              25
                                                                                     DEFINED                        2625

                                                                 73    450 SH        OTHER               450

                                                                  0      3 SH        DEF/OTH                           3

SPDR                       ETF-EQUITY              78464A698    148   5307 SH        SOLE                917
                                                                                     SOLE                           4390

                                                                101   3627 SH        DEFINED            1629
                                                                                     DEFINED                        1998

                                                                 14    511 SH        OTHER               341
                                                                                     OTHER                           170

SELECT SECTORS             ETF-EQUITY              81369Y506    238   3328 SH        SOLE                579
                                                                                     SOLE                           2749

                                                                185   2584 SH        DEFINED            1049
                                                                                     DEFINED                        1535

                                                                 21    293 SH        OTHER               293

SELECT SECTORS             ETF-EQUITY              81369Y886    340   9747 SH        SOLE               1695
                                                                                     SOLE                           8052

                                                                252   7208 SH        DEFINED            3044
                                                                                     DEFINED                        4164

                                                                 34    982 SH        OTHER               682
                                                                                     OTHER                           300

AMERITRADE HOLDING CORP    COMMON STOCK            87236Y108    127   7574 SH        SOLE               1328
                                                                                     SOLE                           6246
                                                                 94   5594 SH        DEFINED            2324
                                                                                     DEFINED                        3270

                                                                  9    517 SH        OTHER               517

COLUMN TOTALS                                                  2065




                          FORM 13F INFORMATION TABLE



                                                    VALUE SHS                                 VOTING AUTHORITY
NAME OF ISSUER             TITLE                      X   PRN    SH   PUT  INVSTMT  OTHER     ----------------
SECURITY NAME              OF CLASS      CUSIP      $1000 AMOUNT PRN  CALL DISCRTN  MANAGERS  SOLE SHARED NONE
-------------              ------------- ---------- ----- ------ ---  ---- -------- --------  ---- ------ ----
                                                                         

TJX COS INC                COMMON STOCK  872540109    212   5000 SH        SOLE                913
                                                                           SOLE                           4087

                                                      170   3998 SH        DEFINED            1596
                                                                           DEFINED                        2402

                                                       17    412 SH        OTHER               412

VANGUARD                   ETF-EQUITY    92204A108    247   3260 SH        SOLE                566
                                                                           SOLE                           2694

                                                      193   2540 SH        DEFINED            1049
                                                                           DEFINED                        1491

                                                       15    202 SH        OTHER               202

VANGUARD                   ETF-EQUITY    92204A207    237   2698 SH        SOLE                474
                                                                           SOLE                           2224

                                                      187   2128 SH        DEFINED             844
                                                                           DEFINED                        1284

                                                       25    285 SH        OTHER               285

VANGUARD                   ETF-EQUITY    92204A405    329   9662 SH        SOLE               1681
                                                                           SOLE                           7981

                                                      260   7632 SH        DEFINED            2986
                                                                           DEFINED                        4646

                                                       34    987 SH        OTHER               887
                                                                           OTHER                           100

COLUMN TOTALS                                        1926




                          FORM 13F INFORMATION TABLE



                                                    VALUE SHS                                 VOTING AUTHORITY
NAME OF ISSUER             TITLE                      X   PRN    SH   PUT  INVSTMT  OTHER     ----------------
SECURITY NAME              OF CLASS      CUSIP      $1000 AMOUNT PRN  CALL DISCRTN  MANAGERS  SOLE SHARED NONE
-------------              ------------- ---------- ----- ------ ---  ---- -------- --------  ---- ------ ----
                                                                         

VANGUARD                   ETF-EQUITY    92204A504    451   6293 SH        SOLE               1096
                                                                           SOLE                           5197

                                                      339   4736 SH        DEFINED            1945
                                                                           DEFINED                        2791

                                                       13    182 SH        OTHER               182

VANGUARD                   ETF-EQUITY    92204A603    174   2446 SH        SOLE                423
                                                                           SOLE                           2023

                                                      131   1845 SH        DEFINED             741
                                                                           DEFINED                        1104

                                                       15    216 SH        OTHER               216

VANGUARD                   ETF-EQUITY    92204A801    229   2725 SH        SOLE                471
                                                                           SOLE                           2254

                                                      170   2019 SH        DEFINED             817
                                                                           DEFINED                        1202

                                                       14    172 SH        OTHER               172

VANGUARD                   ETF-EQUITY    92204A884    288   4111 SH        SOLE                717
                                                                           SOLE                           3394

                                                      217   3098 SH        DEFINED            1262
                                                                           DEFINED                        1836

                                                       18    251 SH        OTHER               251

WAL MART STORES INC        COMMON STOCK  931142103    110   1606 SH        SOLE                276
                                                                           SOLE                           1330
                                                      206   3021 SH        DEFINED            1328
                                                                           DEFINED                        1693

                                                       10    140 SH        OTHER               140

                                                       36    521 SH        DEF/OTH                         521

COLUMN TOTALS                                        2421




                          FORM 13F INFORMATION TABLE



                                                               VALUE SHS                                  VOTING AUTHORITY
NAME OF ISSUER                       TITLE                       X   PRN    SH   PUT  INVSTMT  OTHER     ------------------
SECURITY NAME                        OF CLASS       CUSIP      $1000 AMOUNT PRN  CALL DISCRTN  MANAGERS  SOLE  SHARED NONE
-------------                        -------------- ---------- ----- ------ ---  ---- -------- --------  ----- ------ -----
                                                                                     

WALGREEN CO                          COMMON STOCK   931422109    539  14569 SH        DEFINED              344
                                                                                      DEFINED                         14225

                                                                  22    600 SH        OTHER                             600

                                                                  14    369 SH        DEF/OTH                           369

WELLS FARGO & CO                     COMMON STOCK   949746101    237   6928 SH        SOLE                1215
                                                                                      SOLE                             5713

                                                                 409  11961 SH        DEFINED             3881
                                                                                      DEFINED                          8080

                                                                  37   1089 SH        OTHER                589
                                                                                      OTHER                             500

XPO LOGISTICS INC                    COMMON STOCK   983793100   1033  59441 SH        DEFINED            59441
ACCENTURE PLC                        FOREIGN STOCK  G1151C101    228   3434 SH        SOLE                 596
                                                                                      SOLE                             2838

                                                                 166   2497 SH        DEFINED             1036
                                                                                      DEFINED                          1461

                                                                  19    292 SH        OTHER                242
                                                                                      OTHER                              50

NOBLE CORPORATION SWITZERLAND        COMMON STOCK   H5833N103    121   3463 SH        SOLE                 607
                                                                                      SOLE                             2856
                                                                  92   2642 SH        DEFINED             1104
                                                                                      DEFINED                          1538

                                                                   9    259 SH        OTHER                259

COLUMN TOTALS                                                   2926

AGGREGATE TOTAL                                                56114




                             FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:                  0

Form 13F Information Table Entry Total:           154

Form 13F Information Table Value Total:       $56,114

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