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
HOLLYSYS AUTOMATIO TECHNOLO SHS G45667105 1,571 64,300 SH   SOLE   16,500 0 47,800
SINA CORP ORD G81477104 782 20,900 SH   SOLE   5,300 0 15,600
AZZ INC COM 002474104 44,781 954,414 SH   SOLE   525,745 0 428,669
ADTRAN INC COM 00738A106 47,147 2,162,729 SH   SOLE   1,191,289 0 971,440
AIR METHODS CORP COM PAR $.06 009128307 41,994 953,770 SH   SOLE   525,326 0 428,444
AMERICAN PUBLIC EDUCATON INC COM 02913V103 16,250 440,736 SH   SOLE   242,703 0 198,033
BALDWIN & LYONS INC CL B 057755209 19,115 741,448 SH   SOLE   410,001 0 331,447
BROWN & BROWN INC COM 115236101 51,328 1,559,652 SH   SOLE   859,401 0 700,251
CBOE HLDGS INC COM 12503M108 61,001 961,863 SH   SOLE   529,838 0 432,025
CARBO CERAMICS INC COM 140781105 16,080 401,494 SH   SOLE   221,074 0 180,420
CARDTRONICS INC. COM 14161H108 41,653 1,079,662 SH   SOLE   595,975 0 483,687
CHARLES RIV LABS INTL INC COM 159864107 47,168 741,175 SH   SOLE   408,238 0 332,937
CHEMED CORP NEW COM 16359R103 57,999 548,870 SH   SOLE   302,346 0 246,524
CNINSURE INC. SPON ADR 18976M103 888 133,922 SH   SOLE   34,397 0 99,525
CORPORATE EXECUTIVE BOARD CO. COM 21988R102 44,172 609,012 SH   SOLE   335,449 0 273,563
CTRIP COM INTL LTD AMERICAN DEP SHS 22943F100 2,598 57,100 SH   SOLE   14,600 0 42,500
DESCARTES SYS GROUP INC COM 249906108 29,572 1,988,791 SH   SOLE   997,291 0 991,500
ELLIE MAE INC. COM 28849P100 47,441 1,176,613 SH   SOLE   648,120 0 528,493
EURONET WORLDWIDE INC COM 298736109 53,732 978,732 SH   SOLE   539,104 0 439,628
FIRSTSERVICE CORP SUB VTG SH 33761N109 73,034 1,429,263 SH   SOLE   717,163 0 712,100
FOX FACTORY HLDG CORP COM 35138V102 16,910 1,041,880 SH   SOLE   573,860 0 468,020
GLADSTONE INVT CORP COM 376546107 17,420 2,488,518 SH   SOLE   1,370,922 0 1,117,596
GLOBUS MEDICAL INC. CL A 379577208 35,438 1,490,857 SH   SOLE   822,863 0 667,994
GRAND CANYON ED INC COM 38526M106 74,935 1,605,984 SH   SOLE   884,605 0 721,379
GUESS INC COM 401617105 30,711 1,456,878 SH   SOLE   802,478 0 654,400
HAEMONETICS CORP COM 405024100 50,569 1,351,397 SH   SOLE   744,252 0 607,145
HOME INNS & HOTELS MGMT INC SPON ADR 43713W107 1,705 56,804 SH   SOLE   14,500 0 42,304
ICONIX BRAND GROUP INC COM 451055107 44,921 1,329,423 SH   SOLE   732,247 0 597,176
IDEX CORP COM 45167R104 35,299 453,479 SH   SOLE   249,797 0 203,682
INTERVAL LEISURE GROUP INC COM 46113M108 54,137 2,591,532 SH   SOLE   1,427,438 0 1,164,094
IRIDIUM COMMUNICATIONS INC COM 46269C102 44,260 4,539,535 SH   SOLE   2,500,407 0 2,039,128
KULICKE & SOFFA INDS INC COM 501242101 1,404 97,100 SH   SOLE   24,900 0 72,200
MARKETAXESS HLDGS INC COM 57060D108 73,707 1,027,848 SH   SOLE   566,160 0 461,688
MAXIMUS INC COM 577933104 65,631 1,196,769 SH   SOLE   659,127 0 537,642
MILLER HERMAN INC COM 600544100 33,160 1,126,731 SH   SOLE   620,610 0 506,121
NETSCOUT SYS INC COM 64115T104 40,123 1,098,057 SH   SOLE   604,830 0 493,227
NEUSTAR INC COM CL A 64126X201 44,630 1,605,406 SH   SOLE   884,343 0 721,063
PERFORMANCE SPORTS GROUP LTD. COM 71377G100 38,676 2,122,400 SH   SOLE   1,069,000 0 1,053,400
POLYPORE INTL INC COM 73179V103 46,598 990,391 SH   SOLE   545,499 0 444,892
PROGRESS SOFTWARE CORP COM 743312100 42,033 1,555,618 SH   SOLE   856,844 0 698,774
RLI CORP COM 749607107 46,368 938,632 SH   SOLE   517,036 0 421,596
RE MAX HOLDINGS INC COM CL A 75524W108 37,376 1,091,284 SH   SOLE   601,055 0 490,229
SILICON LABORATORIES INC. COM 826919102 39,046 819,948 SH   SOLE   451,628 0 368,320
SOTHEBYS COM 835898107 46,584 1,078,838 SH   SOLE   594,241 0 484,597
STANTEC INC COM 85472N109 39,458 1,433,616 SH   SOLE   722,816 0 710,800
TCF FINL CORP COM 872275102 41,803 2,630,799 SH   SOLE   1,449,074 0 1,181,725
TEMPUR PEDIC INTL INC COM 88023U101 38,541 701,894 SH   SOLE   386,543 0 315,351
THERMON GROUP HLDGS INC COM 88362T103 50,403 2,083,642 SH   SOLE   1,147,674 0 935,968
THOR INDS INC COM 885160101 45,934 822,152 SH   SOLE   452,868 0 369,284
TUMI HOLDINGS INC COM 89969Q104 48,720 2,053,081 SH   SOLE   1,130,802 0 922,279
UNIVERSAL HLTH SVCS INC COM CL B 913903100 56,700 509,619 SH   SOLE   280,663 0 228,956
WILEY JOHN & SONS INC COM CL A 968223206 54,146 914,008 SH   SOLE   503,492 0 410,516
U S SILICA HLDGS INC COM 90346E103 33,362 1,298,647 SH   SOLE   715,277 0 583,370