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 54,200 971,332 SH   SOLE   499,118 0 472,214
ACUSHNET HOLDINGS CORP COM 005098108 23,159 1,167,292 SH   SOLE   598,490 0 568,802
ADTRAN INC COM 00738A106 41,675 2,018,137 SH   SOLE   1,037,690 0 980,447
AMBARELLA INC SHS G037AX101 59,983 1,235,483 SH   SOLE   634,700 0 600,783
AMERICAN RENAL ASSOCIATES HOLDINGS COM 029227105 6,886 371,214 SH   SOLE   190,700 0 180,514
BROWN & BROWN INC COM 115236101 47,786 1,109,507 SH   SOLE   570,463 0 539,044
CBOE HLDGS INC COM 12503M108 82,012 897,283 SH   SOLE   461,667 0 435,616
CARDTRONICS INC. COM 14161H108 60,596 1,844,053 SH   SOLE   947,340 0 896,713
CHARLES RIV LABS INTL INC COM 159864107 77,674 767,913 SH   SOLE   394,740 0 373,173
CHEETAH MOBILE INC ADR 163075104 1,480 137,250 SH   SOLE   48,900 0 88,350
CHEMED CORP NEW COM 16359R103 90,981 444,832 SH   SOLE   228,676 0 216,156
CHINA DISTANCE ED HLDG LTD SPON ADR 16944W104 1,306 146,382 SH   SOLE   52,312 0 94,070
COLLIERS INTL GROUP INC SUB VTG SH 194693107 72,254 1,279,188 SH   SOLE   693,938 0 585,250
CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 5,777 107,260 SH   SOLE   38,360 0 68,900
DXP ENTERPRISES INC NEW COM 233377407 29,152 844,984 SH   SOLE   434,207 0 410,777
ELLIE MAE INC. COM 28849P100 70,880 644,893 SH   SOLE   331,409 0 313,484
ENVESTNET INC. COM 29404K106 65,465 1,653,145 SH   SOLE   849,593 0 803,552
EURONET WORLDWIDE INC COM 298736109 68,870 788,262 SH   SOLE   405,112 0 383,150
FANHUA INC SPON ADR 30712A103 1,943 226,929 SH   SOLE   81,162 0 145,767
FINANCIAL ENGINES INC. COM 317485100 56,743 1,550,355 SH   SOLE   796,784 0 753,571
FIRSTSERVICE CORP NEW SUB VTG SH 33767E103 77,621 1,210,543 SH   SOLE   657,075 0 553,468
FOX FACTORY HLDG CORP COM 35138V102 59,308 1,665,958 SH   SOLE   855,780 0 810,178
GENTHERM INC COM 37253A103 71,789 1,850,238 SH   SOLE   950,968 0 899,270
GLOBUS MEDICAL INC. CL A 379577208 65,513 1,976,260 SH   SOLE   1,015,778 0 960,482
GRAND CANYON ED INC COM 38526M106 125,601 1,601,846 SH   SOLE   823,209 0 778,637
HMS HLDGS CORP COM 40425J101 65,082 3,517,939 SH   SOLE   1,807,595 0 1,710,344
HAEMONETICS CORP COM 405024100 47,618 1,205,836 SH   SOLE   619,693 0 586,143
HURON CONSULTING GROUP INC. COM 447462102 49,231 1,139,614 SH   SOLE   585,472 0 554,142
ICONIX BRAND GROUP INC COM 451055107 18,627 2,695,624 SH   SOLE   1,385,349 0 1,310,275
INTERVAL LEISURE GROUP INC COM 46113M108 72,576 2,640,076 SH   SOLE   1,356,505 0 1,283,571
IRIDIUM COMMUNICATIONS INC COM 46269C102 58,595 5,302,671 SH   SOLE   2,725,075 0 2,577,596
KULICKE & SOFFA INDS INC COM 501242101 1,508 79,285 SH   SOLE   28,373 0 50,912
MARKETAXESS HLDGS INC COM 57060D108 92,730 461,115 SH   SOLE   237,222 0 223,893
MAXIMUS INC COM 577933104 72,069 1,150,713 SH   SOLE   591,424 0 559,289
MILLER HERMAN INC COM 600544100 46,936 1,543,957 SH   SOLE   793,483 0 750,474
NEUSTAR INC COM CL A 64126X201 41,314 1,238,791 SH   SOLE   636,386 0 602,405
PRIMORIS SVCS CORP COM 74164F103 59,125 2,370,675 SH   SOLE   1,218,365 0 1,152,310
RLI CORP COM 749607107 45,557 834,074 SH   SOLE   428,631 0 405,443
RE MAX HOLDINGS INC COM CL A 75524W108 63,075 1,125,326 SH   SOLE   578,545 0 546,781
SEAWORLD ENTMT INC COM 81282V900 53,496 3,288,002 SH   SOLE   1,689,758 0 1,598,244
SHUTTERSTOCK INC. COM 825690100 56,141 1,273,607 SH   SOLE   654,408 0 619,199
SILICON LABORATORIES INC. COM 826919102 54,375 795,541 SH   SOLE   409,098 0 386,443
SOTHEBYS COM 835898107 72,672 1,354,044 SH   SOLE   695,564 0 658,480
STANTEC INC COM 85472N109 32,845 1,305,466 SH   SOLE   708,379 0 597,087
TCF FINL CORP COM 872275102 43,199 2,710,101 SH   SOLE   1,393,416 0 1,316,685
TEMPUR SEALY INTL INC COM 88023U101 53,298 998,279 SH   SOLE   513,017 0 485,262
THERMON GROUP HLDGS INC COM 88362T103 44,706 2,332,101 SH   SOLE   1,198,569 0 1,133,532
THOR INDS INC COM 885160101 55,336 529,429 SH   SOLE   272,150 0 257,279
TUCOWS INC COM NEW 898697206 16,773 313,272 SH   SOLE   171,935 0 141,337
UNIVERSAL HLTH SVCS INC COM CL B 913903100 48,872 400,326 SH   SOLE   205,970 0 194,356
U S SILICA HLDGS INC COM 90346E103 63,069 1,777,081 SH   SOLE   912,922 0 864,159
VIRTU FINANCIAL INC COM CL A 928254101 32,439 1,837,902 SH   SOLE   944,066 0 893,836
WADDELL & REED FINANCIAL INC. COM CL A 930059100 44,819 2,373,900 SH   SOLE   1,220,050 0 1,153,850
WILEY JOHN & SONS INC COM CL A 968223206 34,993 663,365 SH   SOLE   341,104 0 322,261