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
21VIANET GROUP INC. SPONSORED ADS A 90138A103 2,748 379,059 SH   SOLE   175,685 0 203,374
ACUSHNET HOLDINGS CORP. COM 005098108 82,254 2,530,883 SH   SOLE   1,042,033 0 1,488,850
AMBARELLA INC. SHS G037AX101 56,176 927,611 SH   SOLE   375,310 0 552,301
AMERICAN RENAL ASSOCIATES HOLDINGS COM 029227105 28,043 2,704,234 SH   SOLE   1,094,008 0 1,610,226
AZZ INC. COM 002474104 73,232 1,593,736 SH   SOLE   649,657 0 944,079
BANK OZK COM 06417N103 1,214 39,806 SH   SOLE   39,806 0 0
BLUCORA, INC. COM 095229100 26,688 1,020,975 SH   SOLE   445,118 0 575,857
BOK FINANCIAL CORPORATION COM NEW 05561Q201 1,429 16,354 SH   SOLE   16,354 0 0
BRUNSWICK CORP. COM 117043109 86,959 1,449,792 SH   SOLE   601,421 0 848,371
CARDTRONICS PLC. SHS CL A G1991C105 102,832 2,303,063 SH   SOLE   946,538 0 1,356,525
CBOE GLOBAL MARKETS INC. COM 12503M108 73,690 614,086 SH   SOLE   257,844 0 356,242
CHARLES RIVER LABORATORIES COM 159864107 89,194 583,881 SH   SOLE   241,719 0 342,162
CHEMED CORP. COM 16359R103 91,990 209,421 SH   SOLE   86,937 0 122,484
CHINA DISTANCE EDUCATION HOLDINGS SPONS ADR 16944W104 2,788 344,670 SH   SOLE   159,673 0 184,997
COLLIERS INTERNATIONAL GROUP INC. SUB VTG SHS 194693107 106,042 807,580 SH   SOLE   409,751 0 397,829
DXP ENTERPRISES INC. COM NEW 233377407 50,279 1,262,986 SH   SOLE   510,933 0 752,053
ENVESTNET, INC. COM 29404K106 95,890 1,377,130 SH   SOLE   570,386 0 806,744
EURONET WORLDWIDE INC. COM 298736109 101,086 641,570 SH   SOLE   266,015 0 375,555
FIRSTSERVICE CORP. COM 33767E202 79,014 503,237 SH   SOLE   255,281 0 247,956
FOX FACTORY HOLDING CORP. COM 35138V102 73,303 1,053,656 SH   SOLE   434,193 0 619,463
FUNKO INC COM CL A 361008105 70,028 4,080,900 SH   SOLE   1,650,925 0 2,429,975
GENTHERM INC. COM 37253A103 81,711 1,840,743 SH   SOLE   750,618 0 1,090,125
GLOBUS MEDICAL INC. CL A 379577208 86,277 1,465,295 SH   SOLE   609,294 0 856,001
GRAND CANYON EDUCATION INC. COM 38526M106 122,846 1,282,456 SH   SOLE   533,850 0 748,606
HEALTHCARE SERVICES GROUP INC. COM 421906108 59,769 2,457,598 SH   SOLE   1,013,375 0 1,444,223
HERMAN MILLER INC. COM 600544100 34,565 829,890 SH   SOLE   335,721 0 494,169
HMS HOLDINGS CORP. COM 40425J101 70,124 2,369,063 SH   SOLE   981,187 0 1,387,876
HOULIHAN LOKEY INC. CL A 441593100 92,620 1,895,224 SH   SOLE   785,009 0 1,110,215
HURON CONSULTING GROUP INC. COM 447462102 89,546 1,303,060 SH   SOLE   534,936 0 768,124
INTERNATIONAL FCSTONE INC. COM 46116V105 89,593 1,834,799 SH   SOLE   760,118 0 1,074,681
IPG PHOTONICS CORP. COM 44980X109 1,381 9,527 SH   SOLE   9,527 0 0
IRIDIUM COMMUNICATIONS INC. COM 46269C102 107,237 4,352,144 SH   SOLE   1,797,177 0 2,554,967
KULICKE & SOFFA INDUSTRIES COM 501242101 3,184 117,069 SH   SOLE   54,230 0 62,839
LANDSTAR SYSTEM INC COM 515098101 44,602 391,691 SH   SOLE   158,459 0 233,232
LAUREATE EDUCATION, INC. CL A 518613203 102,360 5,812,634 SH   SOLE   2,401,820 0 3,410,814
MARKETAXESS HOLDINGS INC. COM 57060D108 123,296 325,225 SH   SOLE   135,283 0 189,942
MARRIOTT VACATIONS WORLDWIDE CORP. COM 57164Y107 122,974 955,062 SH   SOLE   394,034 0 561,028
MAXIMUS, INC. COM 577933104 95,257 1,280,514 SH   SOLE   529,449 0 751,065
NEW ORIENTAL EDUCATION & TECHNOLOGY SPON ADR 647581107 3,520 29,027 SH   SOLE   13,474 0 15,553
NOAH HOLDINGS LIMITED SPON ADS CL A 65487X102 178 5,022 SH   SOLE   2,273 0 2,749
ORMAT TECHNOLOGIES INC. COM 686688102 26,148 350,880 SH   SOLE   142,379 0 208,501
PREMIER INC. CL A 74051N102 1,104 29,135 SH   SOLE   29,135 0 0
PRIMORIS SERVICES CORP. COM 74164F103 79,821 3,589,069 SH   SOLE   1,482,119 0 2,106,950
RE/MAX HOLDINGS INC. CL A 75524W108 68,225 1,772,533 SH   SOLE   736,642 0 1,035,891
REV GROUP INC COM 749527107 52,684 4,307,807 SH   SOLE   1,742,450 0 2,565,357
RLI CORP. COM 749607107 77,381 859,603 SH   SOLE   351,877 0 507,726
SHUTTERSTOCK INC. COM 825690100 62,509 1,457,761 SH   SOLE   589,707 0 868,054
SILICON LABORATORIES INC. COM 826919102 76,919 663,207 SH   SOLE   275,518 0 387,689
STANTEC INC. COM 85472N109 41,834 877,648 SH   SOLE   445,442 0 432,206
TAKE-TWO INTERACTIVE SOFTWARE COM 874054109 1,387 11,333 SH   SOLE   11,333 0 0
TEMPUR SEALY INTERNATIONAL INC. COM 88023U101 75,826 870,965 SH   SOLE   352,343 0 518,622
THERMON GROUP HOLDINGS INC COM 88362T103 77,458 2,890,211 SH   SOLE   1,197,891 0 1,692,320
THOR INDUSTRIES INC. COM 885160101 89,834 1,209,236 SH   SOLE   503,520 0 705,716
TIVITY HEALTH INC COM 88870R102 84,375 4,146,186 SH   SOLE   1,715,338 0 2,430,848
TRACTOR SUPPLY COMPANY COM 892356106 1,344 14,387 SH   SOLE   14,387 0 0
TRIP.COM GROUP LTD ADS 89677Q107 5,115 152,519 SH   SOLE   70,650 0 81,869
TUCOWS INC. COM NEW 898697206 46,486 437,388 SH   SOLE   221,909 0 215,479
UNIVERSAL HEALTH SERVICES CL B 913903100 57,349 399,757 SH   SOLE   166,988 0 232,769
US SILICA HOLDINGS INC. COM 90346E103 17,062 2,774,235 SH   SOLE   1,152,496 0 1,621,739
VIPSHOP HOLDINGS LIMITED SPONSORED ADS A 92763W103 4,841 341,652 SH   SOLE   158,291 0 183,361
VIRTU FINANCIAL CL A 928254101 89,892 5,621,761 SH   SOLE   2,311,251 0 3,310,510
WADDELL AND REED FINANCIAL, INC. CL A 930059100 37,916 2,267,703 SH   SOLE   917,405 0 1,350,298