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 56,797 1,387,672 SH   SOLE   641,353 0 746,319
ACUSHNET HOLDINGS CORP COM 005098108 73,629 3,181,879 SH   SOLE   1,471,013 0 1,710,866
AMBARELLA INC SHS G037AX101 69,743 1,614,413 SH   SOLE   747,687 0 866,726
AMERICAN RENAL ASSOCIATES HOLDINGS COM 029227105 16,511 2,689,168 SH   SOLE   1,234,026 0 1,455,142
BOK FINL CORP COM NEW 05561Q201 1,256 15,403 SH   SOLE   15,403 0 0
BRUNSWICK CORP COM 117043109 1,170 23,253 SH   SOLE   23,253 0 0
CBOE GLOBAL MARKETS INC COM 12503M108 65,456 685,829 SH   SOLE   320,813 0 365,016
CARDTRONICS PLC SHR CL A G1991C105 84,904 2,386,290 SH   SOLE   1,102,228 0 1,284,062
CHARLES RIV LABS INTL INC COM 159864107 83,631 575,772 SH   SOLE   266,584 0 309,188
CHEMED CORP NEW COM 16359R103 81,000 253,071 SH   SOLE   117,243 0 135,828
CHINA DISTANCE ED HLDG LTD SPON ADR 16944W104 2,256 333,165 SH   SOLE   138,063 0 195,102
COLLIERS INTL GROUP INC SUB VTG SHS 194693107 57,612 862,407 SH   SOLE   465,312 0 397,095
CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 5,027 115,051 SH   SOLE   47,854 0 67,197
DXP ENTERPRISES INC NEW COM NEW 233377407 44,524 1,143,977 SH   SOLE   520,198 0 623,779
ELLIE MAE INC COM 28849P100 31,033 314,449 SH   SOLE   148,341 0 166,108
ENVESTNET INC COM 29404K106 83,963 1,284,040 SH   SOLE   595,149 0 688,891
EURONET WORLDWIDE INC COM 298736109 113,093 793,133 SH   SOLE   367,241 0 425,892
FIRSTSERVICE CORP NEW SUB VTG SH 33767E103 67,361 756,103 SH   SOLE   407,956 0 348,147
FOX FACTORY HLDG CORP COM 35138V102 69,215 990,347 SH   SOLE   456,873 0 533,474
GENTHERM INC COM 37253A103 72,015 1,953,751 SH   SOLE   904,539 0 1,049,212
GLOBUS MED INC CL A 379577208 66,167 1,339,134 SH   SOLE   620,874 0 718,260
GRAND CANYON ED INC COM 38526M106 134,841 1,177,549 SH   SOLE   547,438 0 630,111
HMS HLDGS CORP COM 40425J101 62,656 2,116,046 SH   SOLE   982,746 0 1,133,300
HEALTHCARE SVCS GRP INC COM 421906108 53,233 1,613,598 SH   SOLE   744,143 0 869,455
HOULIHAN LOKEY INC CL A 441593100 12,052 262,863 SH   SOLE   119,878 0 142,985
HURON CONSULTING GROUP INC COM 447462102 67,707 1,433,860 SH   SOLE   663,650 0 770,210
IPG PHOTONICS CORP COM 44980X109 1,223 8,057 SH   SOLE   8,057 0 0
INTL FCSTONE INC COM 46116V105 67,694 1,746,483 SH   SOLE   808,097 0 938,386
IRIDIUM COMMUNICATIONS INC COM 46269C102 110,244 4,169,602 SH   SOLE   1,932,747 0 2,236,855
KULICKE & SOFFA INDS INC COM 501242101 2,501 113,108 SH   SOLE   46,910 0 66,198
LAUREATE EDUCATION INC CL A 518613203 71,233 4,758,368 SH   SOLE   2,200,301 0 2,558,067
MARKETAXESS HLDGS INC COM 57060D108 108,067 439,154 SH   SOLE   204,448 0 234,706
MARRIOT VACATIONS WORLDWIDE CORP COM 57164Y107 78,651 841,186 SH   SOLE   389,585 0 451,601
MAXIMUS INC COM 577933104 92,684 1,305,773 SH   SOLE   605,592 0 700,181
MILLER HERMAN INC COM 600544100 62,608 1,779,643 SH   SOLE   809,183 0 970,460
NEW ORIENTAL ED & TECH GRP I SPON ADR 647581107 2,286 25,377 SH   SOLE   10,468 0 14,909
NOAH HLDGS LTD SPON ADR CL A 65487X102 1,331 27,467 SH   SOLE   11,396 0 16,071
ORMAT TECHNOLOGIES INC COM 686688102 16,838 305,319 SH   SOLE   139,627 0 165,692
PREMIER INC CL A 74051N102 946 27,426 SH   SOLE   27,426 0 0
PRIMORIS SVCS CORP COM 74164F103 55,073 2,663,083 SH   SOLE   1,232,449 0 1,430,634
REV GROUP INC COM 749527107 50,653 4,625,832 SH   SOLE   2,150,070 0 2,475,762
RLI CORP COM 749607107 61,227 853,337 SH   SOLE   394,519 0 458,818
RE MAX HOLDINGS INC CL A 75524W108 67,409 1,749,059 SH   SOLE   808,125 0 940,934
SHUTTERSTOCK INC COM 825690100 64,497 1,383,167 SH   SOLE   628,885 0 754,282
SILICON LABORATORIES INC COM 826919102 60,327 746,067 SH   SOLE   346,942 0 399,125
SOTHEBYS COM 835898107 58,084 1,538,655 SH   SOLE   711,311 0 827,344
STANTEC INC COM 85472N109 30,392 1,286,025 SH   SOLE   693,875 0 592,150
TCF FINL CORP COM 872275102 58,099 2,808,059 SH   SOLE   1,277,521 0 1,530,538
TEMPUR SEALY INTL INC COM 88023U101 65,773 1,140,503 SH   SOLE   518,458 0 622,045
THERMON GROUP HLDGS INC COM 88362T103 65,970 2,691,563 SH   SOLE   1,246,374 0 1,445,189
THOR INDS INC COM 885160101 51,744 829,632 SH   SOLE   384,328 0 445,304
TIVITY HEALTH INC COM 88870R102 55,969 3,187,318 SH   SOLE   1,470,824 0 1,716,494
TRACTOR SUPPLY CO COM 892356106 1,265 12,938 SH   SOLE   12,938 0 0
TUCOWS INC COM NEW 898697206 33,875 423,849 SH   SOLE   227,618 0 196,231
21 VIANET GROUP INC SPONSORED ADS A 90138A103 1,260 158,693 SH   SOLE   66,008 0 92,685
UNIVERSAL HLTH SVCS INC CL B 913903100 53,008 396,264 SH   SOLE   185,898 0 210,366
U S SILICA HLDGS INC COM 90346E103 64,136 3,694,474 SH   SOLE   1,717,630 0 1,976,844
VIPSHOP HLDGS LTD SPONSORED ADR 92763W103 2,652 330,250 SH   SOLE   136,903 0 193,347
VIRTU FINL INC CL A 928254101 114,120 4,805,064 SH   SOLE   2,220,099 0 2,584,965
WADDELL & REED FINL INC. CL A 930059100 45,063 2,606,279 SH   SOLE   1,186,147 0 1,420,132