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
21VIANET GROUP INC. SPONSORED ADS A 90138A103 5,254 379,059 SH   SOLE   175,685 0 203,374
ACUSHNET HOLDINGS CORP. COM 005098108 72,577 2,821,829 SH   SOLE   1,263,370 0 1,558,459
AMBARELLA INC. SHS G037AX101 46,328 954,034 SH   SOLE   424,193 0 529,841
AMERICAN RENAL ASSOCIATES HOLDINGS COM 029227105 18,929 2,863,677 SH   SOLE   1,273,680 0 1,589,997
AZZ INC. COM 002474104 48,037 1,708,292 SH   SOLE   759,463 0 948,829
BANK OZK COM 06417N103 830 49,691 SH   SOLE   49,691 0 0
BLUCORA, INC. COM 095229100 34,714 2,880,842 SH   SOLE   1,303,202 0 1,577,640
BOK FINANCIAL CORPORATION COM NEW 05561Q201 791 18,580 SH   SOLE   18,580 0 0
BRUNSWICK CORP. COM 117043109 60,445 1,708,935 SH   SOLE   772,073 0 936,862
CARDTRONICS PLC. SHS CL A G1991C105 53,854 2,574,305 SH   SOLE   1,158,470 0 1,415,835
CBOE GLOBAL MARKETS INC. COM 12503M108 59,754 669,515 SH   SOLE   311,481 0 358,034
CHARLES RIVER LABORATORIES COM 159864107 88,827 703,800 SH   SOLE   319,112 0 384,688
CHEMED CORP. COM 16359R103 86,632 199,982 SH   SOLE   90,686 0 109,296
CHINA DISTANCE EDUCATION HOLDINGS SPONS ADR 16944W104 2,306 344,670 SH   SOLE   159,673 0 184,997
COLLIERS INTERNATIONAL GROUP INC. SUB VTG SHS 194693107 41,239 869,075 SH   SOLE   435,271 0 433,804
DXP ENTERPRISES INC. COM NEW 233377407 12,078 985,167 SH   SOLE   417,648 0 567,519
ENVESTNET, INC. COM 29404K106 79,719 1,482,321 SH   SOLE   671,519 0 810,802
EURONET WORLDWIDE INC. COM 298736109 73,740 860,246 SH   SOLE   388,746 0 471,500
FIRSTSERVICE CORP. COM 33767E202 32,947 430,719 SH   SOLE   215,563 0 215,156
FOX FACTORY HOLDING CORP. COM 35138V102 49,503 1,178,638 SH   SOLE   528,536 0 650,102
FUNKO INC COM CL A 361008105 3,701 927,587 SH   SOLE   376,459 0 551,128
GENTHERM INC. COM 37253A103 51,618 1,643,875 SH   SOLE   734,929 0 908,946
GLOBUS MEDICAL INC. CL A 379577208 67,235 1,580,884 SH   SOLE   720,578 0 860,306
GRAND CANYON EDUCATION INC. COM 38526M106 120,925 1,585,068 SH   SOLE   720,232 0 864,836
HEALTHCARE SERVICES GROUP INC. COM 421906108 76,908 3,216,576 SH   SOLE   1,453,620 0 1,762,956
HMS HOLDINGS CORP. COM 40425J101 97,503 3,858,460 SH   SOLE   1,739,743 0 2,118,717
HOULIHAN LOKEY INC. CL A 441593100 106,532 2,043,973 SH   SOLE   928,097 0 1,115,876
HURON CONSULTING GROUP INC. COM 447462102 60,967 1,344,070 SH   SOLE   604,043 0 740,027
INTERNATIONAL FCSTONE INC. COM 46116V105 70,335 1,939,729 SH   SOLE   877,528 0 1,062,201
IPG PHOTONICS CORP. COM 44980X109 1,060 9,612 SH   SOLE   9,612 0 0
IRIDIUM COMMUNICATIONS INC. COM 46269C102 101,465 4,543,884 SH   SOLE   2,054,613 0 2,489,271
KULICKE & SOFFA INDUSTRIES COM 501242101 3,639 174,369 SH   SOLE   80,830 0 93,539
LANDSTAR SYSTEM INC COM 515098101 61,361 640,108 SH   SOLE   284,657 0 355,451
LAUREATE EDUCATION, INC. CL A 518613203 74,779 7,115,031 SH   SOLE   3,208,094 0 3,906,937
MARKETAXESS HOLDINGS INC. COM 57060D108 116,388 349,965 SH   SOLE   159,071 0 190,894
MARRIOTT VACATIONS WORLDWIDE CORP. COM 57164Y107 62,827 1,130,384 SH   SOLE   509,522 0 620,862
MAXIMUS, INC. COM 577933104 79,330 1,363,063 SH   SOLE   617,638 0 745,425
NEW ORIENTAL EDUCATION & TECHNOLOGY SPON ADR 647581107 3,142 29,027 SH   SOLE   13,474 0 15,553
ORMAT TECHNOLOGIES INC. COM 686688102 59,225 875,337 SH   SOLE   389,275 0 486,062
PREMIER INC. CL A 74051N102 911 27,842 SH   SOLE   27,842 0 0
PRIMORIS SERVICES CORP. COM 74164F103 61,617 3,875,264 SH   SOLE   1,748,400 0 2,126,864
QUALYS INC COM 74758T303 775 8,906 SH   SOLE   8,906 0 0
RE/MAX HOLDINGS INC. CL A 75524W108 39,215 1,789,021 SH   SOLE   803,541 0 985,480
REV GROUP INC COM 749527107 21,443 5,142,095 SH   SOLE   2,287,038 0 2,855,057
RLI CORP. COM 749607107 81,353 925,202 SH   SOLE   415,155 0 510,047
SHUTTERSTOCK INC. COM 825690100 55,552 1,727,348 SH   SOLE   769,080 0 958,268
SILICON LABORATORIES INC. COM 826919102 67,357 788,632 SH   SOLE   358,105 0 430,527
STANTEC INC. COM 85472N109 17,136 675,308 SH   SOLE   338,018 0 337,290
TAKE-TWO INTERACTIVE SOFTWARE COM 874054109 1,476 12,445 SH   SOLE   12,445 0 0
TEMPUR SEALY INTERNATIONAL INC. COM 88023U101 53,772 1,230,205 SH   SOLE   547,438 0 682,767
THERMON GROUP HOLDINGS INC COM 88362T103 48,880 3,243,522 SH   SOLE   1,469,622 0 1,773,900
THOR INDUSTRIES INC. COM 885160101 45,953 1,089,452 SH   SOLE   491,541 0 597,911
TIVITY HEALTH INC COM 88870R102 177 28,105 SH   SOLE   28,105 0 0
TRACTOR SUPPLY COMPANY COM 892356106 1,378 16,296 SH   SOLE   16,296 0 0
TRIP.COM GROUP LTD ADS 89677Q107 3,577 152,519 SH   SOLE   70,650 0 81,869
TUCOWS INC. COM NEW 898697206 20,651 431,475 SH   SOLE   215,996 0 215,479
UNIVERSAL HEALTH SERVICES CL B 913903100 43,905 443,129 SH   SOLE   209,296 0 233,833
VICTORY CAP HLDGS INC COM CL A COM CL A 92645B103 847 51,754 SH   SOLE   51,754 0 0
VIPSHOP HOLDINGS LIMITED SPONSORED ADS A 92763W103 5,323 341,652 SH   SOLE   158,291 0 183,361
VIRTU FINANCIAL CL A 928254101 116,350 5,588,361 SH   SOLE   2,535,252 0 3,053,109
WADDELL AND REED FINANCIAL, INC. CL A 930059100 19,337 1,699,174 SH   SOLE   755,354 0 943,820
YUM CHINA HOLDINGS INC COM 98850P109 1,177 27,600 SH   SOLE   12,800 0 14,800