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

Report for the Calendar Year or Quarter Ended: 03/31/2013

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        04/05/2013

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



                          FORM 13F INFORMATION TABLE



                                                                VALUE  SHS                                VOTING AUTHORITY
5NAME OF ISSUER                                                   X    PRN    SH  PUT  INVSTMT  OTHER   --------------------
SECURITY NAME                        TITLE OF CLASS     CUSIP   $1000 AMOUNT  PRN CALL DISCRTN MANAGERS  SOLE  SHARED  NONE
---------------                     ----------------  --------- ----- ------- --- ---- ------- -------- ------ ------ ------
                                                                                     

AFLAC INC                           COMMON STOCK      001055102   174    3346 SH       SOLE                558
                                                                                       SOLE                             2788

                                                                  125    2395 SH       DEFINED            1025
                                                                                       DEFINED                          1370

                                                                   16     316 SH       OTHER               316

AT&T INC                            COMMON STOCK      00206R102   250    6823 SH       DEFINED            1300
                                                                                       DEFINED                          5523

                                                                   43    1176 SH       DEF/OTH                          1176
AMERICAN EXPRESS CO                 COMMON STOCK      025816109   313    4638 SH       DEFINED                          4638

AMETEK INC                          COMMON STOCK      031100100   310    7150 SH       DEFINED                          7150

BERKSHIRE HATHAWAY INC              COMMON STOCK      084670108   156       1 SH       DEFINED                             1
                                                                  156       1 SH       DEF/OTH                             1

BERKSHIRE HATHAWAY INC              COMMON STOCK      084670702   268    2575 SH       DEFINED                          2575
                                                                  180    1726 SH       DEF/OTH                          1726

CSX CORP                            COMMON STOCK      126408103   153    6230 SH       SOLE               1061
                                                                                       SOLE                             5169

                                                                  340   13796 SH       DEFINED            1833
                                                                                       DEFINED                         11963

                                                                   14     585 SH       OTHER               435
                                                                                       OTHER                             150

COLUMN TOTALS                                                    2498




                          FORM 13F INFORMATION TABLE



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

CVS CAREMARK CORP                   COMMON STOCK      126650100   142    2588 SH       SOLE                429
                                                                                       SOLE                             2159

                                                                  105    1917 SH       DEFINED             837
                                                                                       DEFINED                          1080

                                                                   15     271 SH       OTHER               171
                                                                                       OTHER                             100

                                                                   24     435 SH       DEF/OTH                           435

CATERPILLAR INC                     COMMON STOCK      149123101   111    1281 SH       SOLE                211
                                                                                       SOLE                             1070

                                                                   81     931 SH       DEFINED             391
                                                                                       DEFINED                           540

                                                                   20     226 SH       OTHER               126
                                                                                       OTHER                             100

CHEVRON CORP                        COMMON STOCK      166764100   205    1728 SH       SOLE                297
                                                                                       SOLE                             1431

                                                                  409    3444 SH       DEFINED            1326
                                                                                       DEFINED                          2118

                                                                   53     447 SH       OTHER               147
                                                                                       OTHER                             300

                                                                   19     164 SH       DEF/OTH                           164

CISCO SYSTEMS INC                   COMMON STOCK      17275R102   111    5311 SH       SOLE                899
                                                                                       SOLE                             4412

                                                                   83    3991 SH       DEFINED            1657
                                                                                       DEFINED                          2334

                                                                    6     300 SH       OTHER               300

COLUMN TOTALS                                                    1384




                          FORM 13F INFORMATION TABLE



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

COCA COLA CO                        COMMON STOCK      191216100   104    2581 SH       SOLE                433
                                                                                       SOLE                             2148

                                                                   76    1877 SH       DEFINED             829
                                                                                       DEFINED                          1048

                                                                   38     949 SH       OTHER               349
                                                                                       OTHER                             600

                                                                    0       2 SH       DEF/OTH                             2

DIRECTV                             COMMON STOCK      25490A309   179    3156 SH       SOLE                543
                                                                                       SOLE                             2613

                                                                  135    2385 SH       DEFINED             990
                                                                                       DEFINED                          1395

                                                                   13     227 SH       OTHER               227

EXXON MOBIL CORP                    COMMON STOCK      30231G102   279    3100 SH       DEFINED             100
                                                                                       DEFINED                          3000

                                                                   36     400 SH       OTHER                             400

                                                                   60     664 SH       DEF/OTH                           664

FIRST TRUST                         ETF-EQUITY        33734X135   227   12523 SH       SOLE               2132
                                                                                       SOLE                            10391

                                                                  152    8395 SH       DEFINED            3767
                                                                                       DEFINED                          4628

                                                                   13     712 SH       OTHER               712

HCP INC                             COMMON STOCK      40414L109   185    3705 SH       SOLE                625
                                                                                       SOLE                             3080

                                                                 1263   25321 SH       DEFINED            1245
                                                                                       DEFINED                         24076

                                                                   62    1253 SH       OTHER               503
                                                                                       OTHER                             750

COLUMN TOTALS                                                    2822




                          FORM 13F INFORMATION TABLE



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

HORIZON BANCORP IND                 COMMON STOCK      440407104    11     562 SH       SOLE                              562

                                                                26680 1320137 SH       DEFINED          904169
                                                                                       DEFINED                        415968

                                                                  570   28180 SH       OTHER                           28180

                                                                 4470  221182 SH       DEF/OTH            9595
                                                                                       DEF/OTH                        211587

INTEL CORP                          COMMON STOCK      458140100   100    4570 SH       SOLE                769
                                                                                       SOLE                             3801

                                                                   71    3267 SH       DEFINED            1376
                                                                                       DEFINED                          1891

                                                                   98    4507 SH       OTHER               307
                                                                                       OTHER                            4200

INTERNATIONAL BUSINESS MACHINES     COMMON STOCK      459200101   192     899 SH       SOLE                141
                                                                                       SOLE                              758

                                                                  352    1651 SH       DEFINED             310
                                                                                       DEFINED                          1341

                                                                   33     155 SH       OTHER               105
                                                                                       OTHER                              50

ISHARES                             ETF-EQUITY        464287549   875   12046 SH       SOLE               2010
                                                                                       SOLE                            10036

                                                                  641    8829 SH       DEFINED            3594
                                                                                       DEFINED                          5235

                                                                   64     880 SH       OTHER               755
                                                                                       OTHER                             125

COLUMN TOTALS                                                   34157




                          FORM 13F INFORMATION TABLE



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

JOHNSON & JOHNSON                   COMMON STOCK      478160104   230    2825 SH       SOLE                474
                                                                                       SOLE                             2351

                                                                  205    2517 SH       DEFINED            1010
                                                                                       DEFINED                          1507

                                                                   43     530 SH       OTHER               210
                                                                                       OTHER                             320

LAPORTE BANCORP INC                 COMMON STOCK      516651106   110   11063 SH       DEF/OTH                         11063

MSC INDUSTRIAL DIRECT INC           COMMON STOCK      553530106   117    1364 SH       SOLE                230
                                                                                       SOLE                             1134

                                                                   84     974 SH       DEFINED             405
                                                                                       DEFINED                           569

                                                                    8      90 SH       OTHER                90

MARATHON OIL CORP                   COMMON STOCK      565849106   126    3748 SH       SOLE                641
                                                                                       SOLE                             3107

                                                                   98    2904 SH       DEFINED            1191
                                                                                       DEFINED                          1713

                                                                   12     362 SH       OTHER               312
                                                                                       OTHER                              50

                                                                   11     331 SH       DEF/OTH                           331

MARATHON PETE CORP                  COMMON STOCK      56585A102   155    1729 SH       SOLE                286
                                                                                       SOLE                             1443

                                                                  122    1357 SH       DEFINED             528
                                                                                       DEFINED                           829

                                                                   18     206 SH       OTHER               156
                                                                                       OTHER                              50

                                                                   15     165 SH       DEF/OTH                           165

COLUMN TOTALS                                                    1354




                          FORM 13F INFORMATION TABLE



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

MARKET VECTORS                      ETF-EQUITY        57060U605   123    2277 SH       SOLE                381
                                                                                       SOLE                             1896

                                                                   87    1613 SH       DEFINED             675
                                                                                       DEFINED                           938

                                                                    5      97 SH       OTHER                97

MICROSOFT CORP                      COMMON STOCK      594918104   196    6850 SH       SOLE               1133
                                                                                       SOLE                             5717

                                                                  143    5004 SH       DEFINED            2319
                                                                                       DEFINED                          2685

                                                                   42    1467 SH       OTHER               347
                                                                                       OTHER                            1120

                                                                   22     778 SH       DEF/OTH                           778

NATIONAL OIL WELL VARCO INC         COMMON STOCK      637071101   147    2072 SH       SOLE                343
                                                                                       SOLE                             1729

                                                                  106    1493 SH       DEFINED             641
                                                                                       DEFINED                           852

                                                                   12     175 SH       OTHER               175

OMNICOM GROUP                       COMMON STOCK      681919106   192    3258 SH       SOLE                551
                                                                                       SOLE                             2707

                                                                  131    2229 SH       DEFINED             978
                                                                                       DEFINED                          1251

                                                                   11     190 SH       OTHER               190
COLUMN TOTALS                                                    1217




                          FORM 13F INFORMATION TABLE



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

PEPSICO INC                         COMMON STOCK      713448108    93    1176 SH       SOLE                204
                                                                                       SOLE                              972

                                                                  211    2667 SH       DEFINED             380
                                                                                       DEFINED                          2287

                                                                   26     327 SH       OTHER               177
                                                                                       OTHER                             150

                                                                   19     236 SH       DEF/OTH                           236

PETSMART INC                        COMMON STOCK      716768106   182    2937 SH       SOLE                500
                                                                                       SOLE                             2437

                                                                  121    1954 SH       DEFINED             875
                                                                                       DEFINED                          1079

                                                                   10     166 SH       OTHER               166

PFIZER INC                          COMMON STOCK      717081103  3012  104356 SH       DEFINED             400
                                                                                       DEFINED                        103956

                                                                 2435   84362 SH       OTHER                           84362

                                                                   23     794 SH       DEF/OTH                           794

PHILIP MORRIS INTERNATIONAL INC     COMMON STOCK      718172109   192    2075 SH       SOLE                348
                                                                                       SOLE                             1727

                                                                  420    4530 SH       DEFINED            1938
                                                                                       DEFINED                          2592

                                                                   45     483 SH       OTHER                33
                                                                                       OTHER                             450

COLUMN TOTALS                                                    6789




                          FORM 13F INFORMATION TABLE



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

POWERSHARES                         ETF-EQUITY        73935X799   247    6256 SH       SOLE               1042
                                                                                       SOLE                             5214

                                                                  171    4320 SH       DEFINED            1819
                                                                                       DEFINED                          2501

                                                                   20     519 SH       OTHER               419
                                                                                       OTHER                             100

POWERSHARES DB                      ETF-EQUITY        73936B101   194    6650 SH       DEFINED                          6650

                                                                    6     205 SH       OTHER               205

                                                                    2      83 SH       DEF/OTH                            83

ROPER INDS INC                      COMMON STOCK      776696106   147    1155 SH       SOLE                195
                                                                                       SOLE                              960

                                                                   98     766 SH       DEFINED             346
                                                                                       DEFINED                           420

                                                                    8      63 SH       OTHER                63

SPDR ASSETS                         ETF-ALTERNATIVE   78463V107     4      26 SH       SOLE                               26

                                                                  409    2650 SH       DEFINED              25
                                                                                       DEFINED                          2625

                                                                   70     450 SH       OTHER               450

                                                                    0       3 SH       DEF/OTH                             3

SPDR                                ETF-EQUITY        78464A698   176    5547 SH       SOLE                945
                                                                                       SOLE                             4602

                                                                  124    3910 SH       DEFINED            1679
                                                                                       DEFINED                          2231

                                                                   16     511 SH       OTHER               341
                                                                                       OTHER                             170

COLUMN TOTALS                                                    1692




                          FORM 13F INFORMATION TABLE



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

SELECT SECTORS                      ETF-EQUITY        81369Y506   283    3571 SH       SOLE                596
                                                                                       SOLE                             2975

                                                                  197    2487 SH       DEFINED            1059
                                                                                       DEFINED                          1428

                                                                   23     293 SH       OTHER               293

SELECT SECTORS                      ETF-EQUITY        81369Y886   337    8626 SH       SOLE               1441
                                                                                       SOLE                             7185

                                                                  319    8150 SH       DEFINED            2772
                                                                                       DEFINED                          5378

                                                                   38     962 SH       OTHER               662
                                                                                       OTHER                             300

AMERITRADE HOLDING CORP             COMMON STOCK      87236Y108   160    7748 SH       SOLE               1313
                                                                                       SOLE                             6435

                                                                  111    5395 SH       DEFINED            2314
                                                                                       DEFINED                          3081

                                                                   10     494 SH       OTHER               494

TJX COS INC                         COMMON STOCK      872540109   203    4340 SH       SOLE                724
                                                                                       SOLE                             3616

                                                                  143    3063 SH       DEFINED            1300
                                                                                       DEFINED                          1763

                                                                   18     395 SH       OTHER               395

VANGUARD                            ETF-EQUITY        92204A108   340    4006 SH       SOLE                674
                                                                                       SOLE                             3332

                                                                  234    2755 SH       DEFINED            1215
                                                                                       DEFINED                          1540

                                                                   17     202 SH       OTHER               202

COLUMN TOTALS                                                    2433




                          FORM 13F INFORMATION TABLE



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

VANGUARD                            ETF-EQUITY        92204A207   293    2904 SH       SOLE                488
                                                                                       SOLE                             2416

                                                                  201    1995 SH       DEFINED             844
                                                                                       DEFINED                          1151

                                                                   29     285 SH       OTHER               285

VANGUARD                            ETF-EQUITY        92204A405   380    9971 SH       SOLE               1675
                                                                                       SOLE                             8296

                                                                  263    6910 SH       DEFINED            2972
                                                                                       DEFINED                          3938

                                                                   38     987 SH       OTHER               887
                                                                                       OTHER                             100

VANGUARD                            ETF-EQUITY        92204A504   568    6848 SH       SOLE               1141
                                                                                       SOLE                             5707

                                                                  399    4817 SH       DEFINED            2010
                                                                                       DEFINED                          2807

                                                                   15     182 SH       OTHER               182

VANGUARD                            ETF-EQUITY        92204A603   206    2579 SH       SOLE                437
                                                                                       SOLE                             2142

                                                                  142    1773 SH       DEFINED             751
                                                                                       DEFINED                          1022

                                                                   17     216 SH       OTHER               216

VANGUARD                            ETF-EQUITY        92204A801   331    3736 SH       SOLE                629
                                                                                       SOLE                             3107

                                                                  226    2551 SH       DEFINED            1102
                                                                                       DEFINED                          1449

                                                                   15     172 SH       OTHER               172

COLUMN TOTALS                                                    3123




                          FORM 13F INFORMATION TABLE



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

VANGUARD                            ETF-EQUITY        92204A884   292    3938 SH       SOLE                661
                                                                                       SOLE                             3277

                                                                  203    2744 SH       DEFINED            1184
                                                                                       DEFINED                          1560

                                                                   19     251 SH       OTHER               251

WAL MART STORES INC                 COMMON STOCK      931142103   128    1713 SH       SOLE                289
                                                                                       SOLE                             1424

                                                                  223    2975 SH       DEFINED            1328
                                                                                       DEFINED                          1647

                                                                   10     140 SH       OTHER               140

                                                                   39     521 SH       DEF/OTH                           521

WALGREEN CO                         COMMON STOCK      931422109   695   14569 SH       DEFINED             344
                                                                                       DEFINED                         14225

                                                                   29     600 SH       OTHER                             600

                                                                   18     369 SH       DEF/OTH                           369

WELLS FARGO & CO                    COMMON STOCK      949746101   227    6130 SH       SOLE               1022
                                                                                       SOLE                             5108

                                                                  393   10619 SH       DEFINED            3531
                                                                                       DEFINED                          7088

                                                                   36     971 SH       OTHER               571
                                                                                       OTHER                             400

COLUMN TOTALS                                                    2312




                          FORM 13F INFORMATION TABLE



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

XPO LOGISTICS INC                   COMMON STOCK      983793100   998   59253 SH       DEFINED           59253

ACCENTURE PLC                       FOREIGN STOCK     G1151C101   208    2736 SH       SOLE                455
                                                                                       SOLE                             2281

                                                                  149    1966 SH       DEFINED             847
                                                                                       DEFINED                          1119

                                                                   21     282 SH       OTHER               232
                                                                                       OTHER                              50

NOBLE CORPORATION SWITZERLAND       COMMON STOCK      H5833N103   138    3620 SH       SOLE                631
                                                                                       SOLE                             2989

                                                                   99    2582 SH       DEFINED            1104
                                                                                       DEFINED                          1478

                                                                   10     259 SH       OTHER               259

COLUMN TOTALS                                                    1623

AGGREGATE TOTAL                                                 61404




                             FORM 13F SUMMARY PAGE

Report Summary:

Number of Other Included Managers:                 0

Form 13F Information Table Entry Total:            164

Form 13F Information Table Value Total:            $61,404

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