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
21 VIANET GROUP INC SPONSORED ADS A 90138A103 1,604 205,959 SH   SOLE   95,515 0 110,444
ACUSHNET HOLDINGS CORP COM 005098108 83,201 3,168,356 SH   SOLE   1,457,490 0 1,710,866
AMBARELLA INC SHS G037AX101 54,715 1,239,861 SH   SOLE   570,779 0 669,082
AMERICAN RENAL ASSOCIATES HOLDINGS COM 029227105 19,768 2,657,010 SH   SOLE   1,201,868 0 1,455,142
AZZ INC COM 002474104 65,012 1,412,690 SH   SOLE   644,382 0 768,308
BOK FINL CORP COM NEW 05561Q201 1,163 15,403 SH   SOLE   15,403 0 0
BRUNSWICK CORP COM 117043109 47,428 1,033,524 SH   SOLE   483,347 0 550,177
CARDTRONICS PLC SHR CL A G1991C105 64,924 2,376,426 SH   SOLE   1,092,364 0 1,284,062
CBOE GLOBAL MARKETS INC COM 12503M108 70,748 682,699 SH   SOLE   317,683 0 365,016
CHARLES RIV LABS INTL INC COM 159864107 81,490 574,277 SH   SOLE   265,089 0 309,188
CHEMED CORP NEW COM 16359R103 90,907 251,932 SH   SOLE   116,104 0 135,828
CHINA DISTANCE ED HLDG LTD SPON ADR 16944W104 1,792 344,670 SH   SOLE   159,673 0 184,997
COLLIERS INTL GROUP INC SUB VTG SHS 194693107 105,631 862,057 SH   SOLE   464,228 0 397,829
CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 4,393 119,019 SH   SOLE   55,250 0 63,769
DXP ENTERPRISES INC NEW COM NEW 233377407 43,159 1,139,050 SH   SOLE   515,271 0 623,779
ENVESTNET INC COM 29404K106 81,837 1,196,976 SH   SOLE   552,722 0 644,254
EURONET WORLDWIDE INC COM 298736109 127,132 755,658 SH   SOLE   348,525 0 407,133
FIRSTSERVICE CORP NEW SUB VTG SH 33767E103 124,628 755,796 SH   SOLE   407,005 0 348,791
FOX FACTORY HLDG CORP COM 35138V102 64,204 778,137 SH   SOLE   358,242 0 419,895
FUNKO INC COM CL A 361008105 13,182 544,268 SH   SOLE   245,829 0 298,439
GENTHERM INC COM 37253A103 82,560 1,973,694 SH   SOLE   906,970 0 1,066,724
GLOBUS MED INC CL A 379577208 62,464 1,476,695 SH   SOLE   681,497 0 795,198
GRAND CANYON ED INC COM 38526M106 129,783 1,109,066 SH   SOLE   513,230 0 595,836
HEALTHCARE SVCS GRP INC COM 421906108 60,451 1,993,773 SH   SOLE   919,894 0 1,073,879
HMS HLDGS CORP COM 40425J101 68,256 2,107,322 SH   SOLE   974,022 0 1,133,300
HOULIHAN LOKEY INC. CL A 441593100 63,069 1,416,322 SH   SOLE   653,390 0 762,932
HURON CONSULTING GROUP INC COM 447462102 71,701 1,423,208 SH   SOLE   652,998 0 770,210
INTL FCSTONE INC COM 46116V105 71,390 1,803,223 SH   SOLE   832,035 0 971,188
IPG PHOTONICS CORP COM 44980X109 1,243 8,057 SH   SOLE   8,057 0 0
IRIDIUM COMMUNICATIONS INC COM 46269C102 96,479 4,147,831 SH   SOLE   1,910,976 0 2,236,855
KULICKE & SOFFA INDS INC COM 501242101 2,640 117,069 SH   SOLE   54,230 0 62,839
LAUREATE EDUCATION INC CL A 518613203 78,008 4,965,511 SH   SOLE   2,284,504 0 2,681,007
MARKETAXESS HLDGS INC COM 57060D108 128,167 398,752 SH   SOLE   184,799 0 213,953
MARRIOT VACATIONS WORLDWIDE CORP COM 57164Y107 80,755 837,712 SH   SOLE   386,111 0 451,601
MAXIMUS INC COM 577933104 94,168 1,298,152 SH   SOLE   597,971 0 700,181
MILLER HERMAN INC COM 600544100 66,764 1,493,591 SH   SOLE   675,543 0 818,048
NEW ORIENTAL ED & TECH GRP I SPON ADR 647581107 2,533 26,227 SH   SOLE   12,074 0 14,153
NOAH HLDGS LTD SPON ADR CL A 65487X102 2,231 52,422 SH   SOLE   24,373 0 28,049
PREMIER INC CL A 74051N102 1,217 31,118 SH   SOLE   31,118 0 0
PRIMORIS SVCS CORP COM 74164F103 68,026 3,250,146 SH   SOLE   1,491,967 0 1,758,179
RE MAX HOLDINGS INC CL A 75524W108 53,873 1,751,398 SH   SOLE   810,464 0 940,934
REV GROUP INC COM 749527107 71,083 4,932,886 SH   SOLE   2,271,953 0 2,660,933
RLI CORP COM 749607107 72,446 845,246 SH   SOLE   386,428 0 458,818
SHUTTERSTOCK INC COM 825690100 52,748 1,345,943 SH   SOLE   608,852 0 737,091
SILICON LABORATORIES INC COM 826919102 76,677 741,556 SH   SOLE   342,431 0 399,125
SOTHEBYS COM 835898107 92,970 1,599,343 SH   SOLE   733,877 0 865,466
STANTEC INC COM 85472N109 52,876 1,285,503 SH   SOLE   692,259 0 593,244
TAKE-TWO INTERACTIVE SOFTWARE COM 874054109 1,308 11,525 SH   SOLE   11,525 0 0
TEMPUR SEALY INTL INC COM 88023U101 79,986 1,090,177 SH   SOLE   493,088 0 597,089
THERMON GROUP HLDGS INC COM 88362T103 68,745 2,680,118 SH   SOLE   1,234,929 0 1,445,189
THOR INDS INC COM 885160101 50,210 859,026 SH   SOLE   395,990 0 463,036
TIVITY HEALTH INC COM 88870R102 57,831 3,517,727 SH   SOLE   1,614,963 0 1,902,764
TRACTOR SUPPLY CO COM 892356106 1,154 10,604 SH   SOLE   10,604 0 0
TUCOWS INC COM NEW 898697206 49,010 469,523 SH   SOLE   253,234 0 216,289
U S SILICA HLDGS INC COM 90346E103 57,424 4,489,754 SH   SOLE   2,059,767 0 2,429,987
UNIVERSAL HLTH SVCS INC CL B 913903100 51,434 394,462 SH   SOLE   184,096 0 210,366
VIPSHOP HLDGS LTD SPONSORED ADR 92763W103 2,948 341,652 SH   SOLE   158,291 0 183,361
VIRTU FINL INC CL A 928254101 117,246 5,383,212 SH   SOLE   2,469,929 0 2,913,283
WADDELL & REED FINL INC. CL A 930059100 43,248 2,594,388 SH   SOLE   1,174,256 0 1,420,132