0001325312-12-000008.txt : 20120214 0001325312-12-000008.hdr.sgml : 20120214 20120214094910 ACCESSION NUMBER: 0001325312-12-000008 CONFORMED SUBMISSION TYPE: 13F-HR PUBLIC DOCUMENT COUNT: 1 CONFORMED PERIOD OF REPORT: 20111231 FILED AS OF DATE: 20120214 DATE AS OF CHANGE: 20120214 EFFECTIVENESS DATE: 20120214 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: 12603216 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 CORTINA 123111 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 ------------------------------ ---------------- --------- -------- -------- --- ---- ------- ------------ -------- -------- -------- ABOVENET INC COM COM 00374N107 5304 81591.00 SH Sole 42118.00 39473.00 ACCURAY INC COM COM 004397105 4393 1038444.00 SH Sole 525716.00 512728.00 ALIGN TECHNOLOGY INC COM COM 016255101 6725 283464.00 SH Sole 146709.00 136755.00 AMERIGON INC COM COM 03070L300 3499 245345.00 SH Sole 120915.00 124430.00 AMERIGROUP CORP COM COM 03073T102 14242 241060.00 SH Sole 214985.00 26075.00 AMERISAFE INC COM COM 03071H100 24298 1045086.00 SH Sole 932044.00 113042.00 ANDERSONS INC COM COM 034164103 4806 110068.00 SH Sole 56137.00 53931.00 ARGO GROUP INTL HLDGS LTD COM COM G0464B107 27487 949121.00 SH Sole 844411.00 104710.00 ASTEC INDS INC COM COM 046224101 13019 404201.00 SH Sole 360418.00 43783.00 ASTRONICS CORP COM COM 046433108 4587 128088.00 SH Sole 63477.00 64611.00 ATMEL CORP COM COM 049513104 140 17270.00 SH Sole 17270.00 ATMI INC COM COM 00207R101 24235 1209916.00 SH Sole 1079113.00 130803.00 ATRICURE INC COM COM 04963C209 5783 520966.00 SH Sole 253398.00 267568.00 AXCELIS TECHNOLOGIES INC COM 054540109 2048 1539668.00 SH Sole 773493.00 766175.00 BE AEROSPACE INC COM COM 073302101 236 6103.00 SH Sole 6103.00 BEACON ROOFING SUPPLY INC COM COM 073685109 7522 371818.00 SH Sole 331633.00 40185.00 BJS RESTAURANTS INC COM COM 09180C106 11866 261837.00 SH Sole 233533.00 28304.00 BODY CENT CORP COM COM 09689U102 6390 256025.00 SH Sole 126089.00 129936.00 BROADSOFT INC COM COM 11133B409 4040 133789.00 SH Sole 68433.00 65356.00 CARDTRONICS INC COM COM 14161H108 28648 1058680.00 SH Sole 944202.00 114478.00 CARRIZO OIL & CO INC COM COM 144577103 3555 134902.00 SH Sole 70640.00 64262.00 CARTER INC COM COM 146229109 18675 469099.00 SH Sole 418364.00 50735.00 CEPHEID COM COM 15670R107 6383 185484.00 SH Sole 96174.00 89310.00 CERUS CORP COM COM 157085101 4508 1609999.00 SH Sole 789720.00 820279.00 CHART INDS INC COM PAR $0.01 COM 16115Q308 6490 120026.00 SH Sole 61257.00 58769.00 CIENA CORP COM NEW COM 171779309 158 13040.00 SH Sole 13040.00 CIRCOR INTL INC COM COM 17273K109 15572 441008.00 SH Sole 393275.00 47733.00 CODEXIS INC COM COM 192005106 3326 627608.00 SH Sole 309190.00 318418.00 COGENT COMM GROUP INC COM NEW COM 19239V302 1380 81710.00 SH Sole 40043.00 41667.00 COLUMBIA BKG SYS INC COM COM 197236102 19174 994997.00 SH Sole 887413.00 107584.00 COMMVAULT SYSTEMS INC COM COM 204166102 54679 1279948.00 SH Sole 1074051.00 205897.00 COMPLETE GENOMICS INC COM 20454K104 2239 764230.00 SH Sole 380648.00 383582.00 COMPUTER TASK GROUP INC COM COM 205477102 4417 313702.00 SH Sole 154494.00 159208.00 COMSTOCK RES INC COM NEW COM 205768203 4211 275231.00 SH 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FERRY INTL COM NEW COM 500643200 18885 1107001.00 SH Sole 987259.00 119742.00 LANDSTAR SYS INC COM COM 515098101 13439 280438.00 SH Sole 250165.00 30273.00 LAREDO PETROLEUM HOLDINGS INC COM 516806106 16656 746890.00 SH Sole 667015.00 79875.00 LINCARE HLDGS INC COM COM 532791100 16333 635269.00 SH Sole 566601.00 68668.00 LIVEPERSON INC COM COM 538146101 4677 372682.00 SH Sole 189957.00 182725.00 LKQ CORP COM COM 501889208 21982 730781.00 SH Sole 651797.00 78984.00 LOGITECH INTL S A SHS COM H50430232 7303 938689.00 SH Sole 835811.00 102878.00 LOGMEIN INC COM COM 54142L109 4654 120735.00 SH Sole 61791.00 58944.00 LUFKIN INDS INC COM COM 549764108 4269 63425.00 SH Sole 33026.00 30399.00 LUMINEX CORP DEL COM COM 55027E102 6550 308512.00 SH Sole 157225.00 151287.00 MADDEN STEVEN LTD COM COM 556269108 6024 174600.00 SH Sole 89116.00 85484.00 MAGNUM HUNTER RESOURCES CORP COM 55973B102 14806 2746869.00 SH Sole 2449861.00 297008.00 MARTEN TRANS LTD COM COM 573075108 2636 146526.00 SH Sole 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64111Q104 25586 762161.00 SH Sole 632317.00 129844.00 NIC INC COM COM 62914B100 3049 229082.00 SH Sole 113117.00 115965.00 NORTHERN OIL & GAS INC COM 665531109 6792 283247.00 SH Sole 144035.00 139212.00 NOVELLUS SYS INC COM COM 670008101 241 5831.00 SH Sole 5831.00 NXSTAGE MEDICAL INC COM COM 67072V103 24598 1383450.00 SH Sole 1234762.00 148688.00 OASIS PETE INC NEW COM COM 674215108 19158 658568.00 SH Sole 588165.00 70403.00 OCEANEERING INTL INC COM COM 675232102 8433 182799.00 SH Sole 162954.00 19845.00 OIL STS INTL INC COM COM 678026105 4900 64155.00 SH Sole 57218.00 6937.00 OLD DOMINION FGHT LINES INC CO COM 679580100 22709 560289.50 SH Sole 500558.00 59731.50 OLYMPIC STEEL INC COM COM 68162K106 12677 543604.00 SH Sole 484899.00 58705.00 ORASURE TECHNOLOGIES INC COM COM 68554V108 5487 602329.00 SH Sole 297974.00 304355.00 PAREXEL INTL CORP COM COM 699462107 21385 1031089.00 SH Sole 919705.00 111384.00 PETROLEUM DEV CORP COM COM 716578109 10657 303530.00 SH Sole 270729.00 32801.00 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