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

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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 49,811 1,022,817 SH   SOLE   524,108 0 498,709
ACUSHNET HOLDINGS CORP COM 005098108 54,672 3,078,363 SH   SOLE   1,576,960 0 1,501,403
ADTRAN INC COM 00738A106 48,283 2,011,787 SH   SOLE   1,031,300 0 980,487
AMBARELLA INC SHS G037AX101 64,514 1,316,350 SH   SOLE   674,170 0 642,180
AMERICAN RENAL ASSOCIATES HOLDINGS COM 029227105 32,812 2,191,863 SH   SOLE   1,123,890 0 1,067,973
BROWN & BROWN INC COM 115236101 53,299 1,106,017 SH   SOLE   566,943 0 539,074
CBOE HLDGS INC COM 12503M108 79,619 739,743 SH   SOLE   378,897 0 360,846
CARDTRONICS INC. COM 14161H108 49,483 2,150,513 SH   SOLE   1,102,030 0 1,048,483
CHARLES RIV LABS INTL INC COM 159864107 70,413 651,853 SH   SOLE   333,810 0 318,043
CHEETAH MOBILE INC ADR 163075104 1,154 137,250 SH   SOLE   48,900 0 88,350
CHEMED CORP NEW COM 16359R103 79,824 395,070 SH   SOLE   202,356 0 192,714
CHINA DISTANCE ED HLDG LTD SPON ADR 16944W104 982 146,382 SH   SOLE   52,312 0 94,070
COLLIERS INTL GROUP INC SUB VTG SH 194693107 63,431 1,278,868 SH   SOLE   693,638 0 585,230
CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 5,657 107,260 SH   SOLE   38,360 0 68,900
DXP ENTERPRISES INC NEW COM 233377407 26,484 841,024 SH   SOLE   430,227 0 410,797
ELLIE MAE INC. COM 28849P100 55,743 678,721 SH   SOLE   347,844 0 330,877
ENVESTNET INC. COM 29404K106 70,321 1,378,848 SH   SOLE   706,073 0 672,775
EURONET WORLDWIDE INC COM 298736109 72,702 766,975 SH   SOLE   392,852 0 374,123
FANHUA INC SPON ADR 30712A103 2,852 226,929 SH   SOLE   81,162 0 145,767
FINANCIAL ENGINES INC. COM 33767E103 66,759 1,921,123 SH   SOLE   984,044 0 937,079
FIRSTSERVICE CORP NEW SUB VTG SH 33767E103 74,411 1,132,643 SH   SOLE   615,125 0 517,518
FOX FACTORY HLDG CORP COM 35138V102 54,326 1,260,469 SH   SOLE   645,700 0 614,769
GENTHERM INC COM 37253A103 74,362 2,001,682 SH   SOLE   1,025,159 0 976,523
GLOBUS MEDICAL INC. CL A 379577208 54,753 1,842,301 SH   SOLE   944,158 0 898,143
GRAND CANYON ED INC COM 38526M106 121,534 1,338,182 SH   SOLE   685,410 0 652,772
HMS HLDGS CORP COM 40425J101 72,276 3,639,274 SH   SOLE   1,864,104 0 1,775,170
HAEMONETICS CORP COM 405024100 53,944 1,202,226 SH   SOLE   616,053 0 586,173
HURON CONSULTING GROUP INC. COM 447462102 65,740 1,916,609 SH   SOLE   981,653 0 934,956
ICONIX BRAND GROUP INC COM 451055107 15,264 2,682,594 SH   SOLE   1,372,259 0 1,310,335
INTERVAL LEISURE GROUP INC COM 46113M108 70,366 2,632,466 SH   SOLE   1,348,835 0 1,283,631
IRIDIUM COMMUNICATIONS INC COM 46269C102 54,465 5,287,851 SH   SOLE   2,710,125 0 2,577,726
KULICKE & SOFFA INDS INC COM 501242101 2,253 104,436 SH   SOLE   37,358 0 67,078
MARKETAXESS HLDGS INC COM 57060D108 84,822 459,715 SH   SOLE   235,812 0 223,903
MAXIMUS INC COM 577933104 74,002 1,147,313 SH   SOLE   588,004 0 559,309
MILLER HERMAN INC COM 600544100 45,927 1,279,307 SH   SOLE   654,103 0 625,204
PRIMORIS SVCS CORP COM 74164F103 53,177 1,807,516 SH   SOLE   925,875 0 881,641
RLI CORP COM 749607107 47,709 831,754 SH   SOLE   426,291 0 405,463
RE MAX HOLDINGS INC COM CL A 75524W108 71,181 1,120,077 SH   SOLE   573,925 0 546,152
SEAWORLD ENTMT INC COM 81282V900 47,785 3,678,593 SH   SOLE   1,884,558 0 1,794,035
SHUTTERSTOCK INC. COM 825690100 52,630 1,580,964 SH   SOLE   809,698 0 771,266
SILICON LABORATORIES INC. COM 826919102 63,362 793,011 SH   SOLE   406,548 0 386,463
SOTHEBYS COM 835898107 60,169 1,304,904 SH   SOLE   668,524 0 636,380
STANTEC INC COM 85472N109 36,216 1,305,166 SH   SOLE   708,079 0 597,087
TCF FINL CORP COM 872275102 45,950 2,696,581 SH   SOLE   1,379,836 0 1,316,745
TEMPUR SEALY INTL INC COM 88023U101 59,536 922,759 SH   SOLE   472,677 0 450,082
THERMON GROUP HLDGS INC COM 88362T103 41,842 2,325,871 SH   SOLE   1,192,279 0 1,133,592
THOR INDS INC COM 885160101 56,400 447,939 SH   SOLE   229,495 0 218,444
TUCOWS INC COM NEW 898697206 37,084 633,892 SH   SOLE   329,647 0 304,245
UNIVERSAL HLTH SVCS INC COM CL B 913903100 44,327 399,556 SH   SOLE   205,190 0 194,366
U S SILICA HLDGS INC COM 90346E103 57,503 1,850,760 SH   SOLE   948,162 0 902,598
VIRTU FINANCIAL INC COM CL A 928254101 60,714 3,747,766 SH   SOLE   1,919,966 0 1,827,800
WADDELL & REED FINANCIAL INC. COM CL A 930059100 47,504 2,366,910 SH   SOLE   1,213,000 0 1,153,910
WILEY JOHN & SONS INC COM CL A 968223206 35,313 660,065 SH   SOLE   337,784 0 322,281