0001325312-12-000010.txt : 20120514 0001325312-12-000010.hdr.sgml : 20120514 20120514122447 ACCESSION NUMBER: 0001325312-12-000010 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20120331 FILED AS OF DATE: 20120514 DATE AS OF CHANGE: 20120514 EFFECTIVENESS DATE: 20120514 FILER: COMPANY DATA: COMPANY CONFORMED NAME: Cortina Asset Management, LLC CENTRAL INDEX KEY: 0001325312 IRS NUMBER: 562450074 STATE OF INCORPORATION: WI FISCAL YEAR END: 1231 FILING VALUES: FORM TYPE: 13F-HR SEC ACT: 1934 Act SEC FILE NUMBER: 028-11351 FILM NUMBER: 12837429 BUSINESS ADDRESS: STREET 1: 825 N. JEFFERSON STREET, SUITE 400 CITY: MILWAUKEE STATE: WI ZIP: 53202 BUSINESS PHONE: 414-225-7365 MAIL ADDRESS: STREET 1: 825 N. JEFFERSON STREET, SUITE 400 CITY: MILWAUKEE STATE: WI ZIP: 53202 13F-HR 1 inftable.txt 1Q12 CORTINA 13F FORM 13F INFORMATION TABLE VALUE SHARES/ SH/ PUT/ INVSTMT OTHER VOTING AUTHORITY NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DSCRETN MANAGERS SOLE SHARED NONE ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ABIOMED INC COM COM 003654100 5142 231712.00 SH Sole 122173.00 109539.00 ACCURAY INC COM COM 004397105 7082 1003146.00 SH Sole 525780.00 477366.00 ALIGN TECHNOLOGY INC COM COM 016255101 6378 231515.00 SH Sole 125267.00 106248.00 ALLOT COMMUNICATIONS LTD SHS COM M0854Q105 2929 125995.00 SH Sole 64393.00 61602.00 AMERIGON INC COM COM 03070L300 6331 391313.00 SH Sole 199971.00 191342.00 AMERIGROUP CORP COM COM 03073T102 13013 193420.00 SH Sole 171986.00 21434.00 AMERISAFE INC COM COM 03071H100 25188 1018123.00 SH Sole 905242.00 112881.00 ANDERSONS INC COM COM 034164103 5233 107485.00 SH Sole 57246.00 50239.00 APPLIED INDL TECHNOLOGIES INC COM 03820C105 11139 270815.00 SH Sole 240782.00 30033.00 ARGO GROUP INTL HLDGS LTD COM COM G0464B107 27859 932674.00 SH Sole 828113.00 104561.00 ARUBA NETWORKS INC COM COM 043176106 23621 1060203.00 SH Sole 874175.00 186028.00 ASTRONICS CORP COM COM 046433108 3311 94712.00 SH Sole 48625.00 46087.00 ATMEL CORP COM COM 049513104 170 17270.00 SH Sole 17270.00 ATMI INC COM COM 00207R101 32219 1382780.00 SH Sole 1229552.00 153228.00 ATRICURE INC COM COM 04963C209 5008 503295.00 SH Sole 253431.00 249864.00 BE AEROSPACE INC COM COM 073302101 284 6103.00 SH Sole 6103.00 BEACON ROOFING SUPPLY INC COM COM 073685109 9329 362170.00 SH Sole 322035.00 40135.00 BJS RESTAURANTS INC COM COM 09180C106 16500 327705.00 SH Sole 291394.00 36311.00 BLACK DIAMOND INC COM COM 09202G101 2982 321995.00 SH Sole 164428.00 157567.00 BODY CENT CORP COM COM 09689U102 4914 169329.00 SH Sole 86476.00 82853.00 BOINGO WIRELESS INC COM COM 09739C102 4485 370699.00 SH Sole 189590.00 181109.00 BORGWARNER INC COM COM 099724106 227 2693.00 SH Sole 2693.00 BRIGHTCOVE COM 10921T101 3705 149415.00 SH Sole 76364.00 73051.00 BROADSOFT INC COM COM 11133B409 5591 146172.00 SH Sole 77477.00 68695.00 CAFEPRESS INC COM 12769A103 4021 210000.00 SH Sole 107331.00 102669.00 CARDTRONICS INC COM COM 14161H108 23725 903817.00 SH Sole 803684.00 100133.00 CARRIZO OIL & CO INC COM COM 144577103 5279 186815.00 SH Sole 100045.00 86770.00 CARTER INC COM COM 146229109 22736 456822.00 SH Sole 406150.00 50672.00 CEPHEID COM COM 15670R107 6458 154389.00 SH Sole 82373.00 72016.00 CERUS CORP COM COM 157085101 6249 1554570.00 SH Sole 789822.00 764748.00 CHART INDS INC COM PAR $0.01 COM 16115Q308 8510 116048.00 SH Sole 61265.00 54783.00 CIENA CORP COM NEW COM 171779309 259 15986.00 SH Sole 15986.00 CIRCOR INTL INC COM COM 17273K109 13258 398512.00 SH Sole 354300.00 44212.00 COLUMBIA BKG SYS INC COM COM 197236102 22078 969188.00 SH Sole 861745.00 107443.00 COMFORT SYS 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