The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

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

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
AZZ INC COM 002474104 49,932 882,194 SH   SOLE   477,510 0 404,684
ADTRAN INC COM 00738A106 46,445 2,296,968 SH   SOLE   1,243,762 0 1,053,206
AIR METHODS CORP COM PAR $.06 009128307 47,148 1,301,722 SH   SOLE   704,778 0 596,944
BROWN & BROWN INC COM 115236101 50,654 1,414,925 SH   SOLE   766,014 0 648,911
CBOE HLDGS INC COM 12503M108 63,405 970,528 SH   SOLE   525,463 0 445,065
CARDTRONICS INC. COM 14161H108 60,017 1,667,590 SH   SOLE   903,032 0 764,558
CEB INC COM 125134106 62,324 962,838 SH   SOLE   521,297 0 441,541
CHARLES RIV LABS INTL INC COM 159864107 51,935 683,898 SH   SOLE   370,112 0 313,786
CHEETAH MOBILE INC ADR 163075104 1,731 106,030 SH   SOLE   35,040 0 70,990
CHEMED CORP NEW COM 16359R103 57,430 423,992 SH   SOLE   229,563 0 194,429
CNINSURE INC SPON ADR 18976M103 3,482 434,111 SH   SOLE   142,466 0 291,645
COLLIERS INTL GROUP INC SUB VTG SH 194693107 47,659 1,256,213 SH   SOLE   670,713 0 585,500
CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 4,354 98,380 SH   SOLE   32,320 0 66,060
DXP ENTERPRISES INC NEW COM 233377407 18,320 1,043,255 SH   SOLE   565,567 0 477,688
DESCARTES SYS GROUP INC COM 249906108 18,078 927,580 SH   SOLE   495,280 0 432,300
ELLIE MAE INC. COM 28849P100 48,600 536,182 SH   SOLE   290,302 0 245,880
ENVESTNET INC. COM 29404K106 10,272 377,642 SH   SOLE   204,850 0 172,792
EURONET WORLDWIDE INC COM 298736109 57,395 774,458 SH   SOLE   419,306 0 355,152
FINANCIAL ENGINES INC. COM 317485100 31,537 1,003,389 SH   SOLE   543,170 0 460,219
FIRSTSERVICE CORP NEW SUB VTG SH 33767E103 54,062 1,314,663 SH   SOLE   704,463 0 610,200
FOX FACTORY HLDG CORP COM 35138V102 31,499 1,992,328 SH   SOLE   1,078,770 0 913,558
GENTHERM INC COM 37253A103 50,058 1,203,607 SH   SOLE   651,669 0 551,938
GLADSTONE INVT CORP COM 376546107 12,729 1,813,282 SH   SOLE   981,720 0 831,562
GLOBUS MEDICAL INC. CL A 379577208 50,848 2,140,953 SH   SOLE   1,158,941 0 982,012
GRAND CANYON ED INC COM 38526M106 101,748 2,380,637 SH   SOLE   1,288,928 0 1,091,709
GUESS INC COM 401617105 25,445 1,355,595 SH   SOLE   734,035 0 621,560
HMS HLDGS CORP COM 40425J101 39,264 2,736,159 SH   SOLE   1,481,285 0 1,254,874
HAEMONETICS CORP COM 405024100 45,546 1,302,070 SH   SOLE   704,998 0 597,072
ICONIX BRAND GROUP INC COM 451055107 16,093 1,999,084 SH   SOLE   1,082,721 0 916,363
INTERVAL LEISURE GROUP INC COM 46113M108 48,164 3,335,434 SH   SOLE   1,806,027 0 1,529,407
IRIDIUM COMMUNICATIONS INC COM 46269C102 39,381 5,003,971 SH   SOLE   2,709,123 0 2,294,848
KULICKE & SOFFA INDS INC COM 501242101 1,907 168,498 SH   SOLE   55,688 0 112,810
MARKETAXESS HLDGS INC COM 57060D108 71,605 573,624 SH   SOLE   310,569 0 263,055
MAXIMUS INC COM 577933104 64,563 1,226,497 SH   SOLE   664,066 0 562,431
MILLER HERMAN INC COM 600544100 44,825 1,451,104 SH   SOLE   785,516 0 665,588
NEUSTAR INC COM CL A 64126X201 54,364 2,209,938 SH   SOLE   1,196,483 0 1,013,455
PRIMORIS SVCS CORP COM 74164F103 47,672 1,961,830 SH   SOLE   1,062,289 0 899,541
RLI CORP COM 749607107 47,455 709,766 SH   SOLE   384,255 0 325,511
RE MAX HOLDINGS INC COM CL A 75524W108 52,316 1,525,258 SH   SOLE   825,848 0 699,410
SEAWORLD ENTMT INC COM 81282V900 46,019 2,185,134 SH   SOLE   1,183,091 0 1,002,043
SHUTTERSTOCK INC. COM 825690100 41,716 1,135,746 SH   SOLE   614,900 0 520,846
SILICON LABORATORIES INC. COM 826919102 45,122 1,003,601 SH   SOLE   543,318 0 460,283
SOTHEBYS COM 835898107 49,210 1,841,006 SH   SOLE   996,662 0 844,344
STANTEC INC COM 85472N109 35,338 1,389,016 SH   SOLE   743,179 0 645,837
TCF FINL CORP COM 872275102 38,105 3,108,049 SH   SOLE   1,682,694 0 1,425,355
TEMPUR SEALY INTL INC COM 88023U101 40,781 670,854 SH   SOLE   363,223 0 307,631
THERMON GROUP HLDGS INC COM 88362T103 40,859 2,326,836 SH   SOLE   1,259,717 0 1,067,119
THOR INDS INC COM 885160101 55,229 866,062 SH   SOLE   468,928 0 397,134
TUMI HOLDINGS INC COM 89969Q104 39,241 1,463,119 SH   SOLE   792,179 0 670,940
UNIVERSAL HLTH SVCS INC COM CL B 913903100 52,263 419,044 SH   SOLE   226,833 0 192,211
WILEY JOHN & SONS INC COM CL A 968223206 46,983 960,998 SH   SOLE   520,542 0 440,456
U S SILICA HLDGS INC COM 90346E103 41,396 1,822,025 SH   SOLE   986,493 0 835,532