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
51job Inc SP ADR REP COM 316827104 8,711 260,971 SH   SOLE   176,139 0 84,832
ABIOMED Inc COM 003654100 10,388 80,790 SH   SOLE   69,455 0 11,335
Acuity Brands Inc COM 00508Y102 68,989 260,729 SH   SOLE   260,729 0 0
Affiliated Managers Group Inc COM 008252108 55,005 380,130 SH   SOLE   380,130 0 0
Agilent Technologies Inc COM 00846U101 33,120 703,334 SH   SOLE   703,334 0 0
Agios Pharmaceuticals Inc COM 00847X104 33,046 625,627 SH   SOLE   601,839 0 23,788
Akorn Inc COM 009728106 29,027 1,064,814 SH   SOLE   1,019,497 0 45,317
Align Technology Inc COM 016255101 151,334 1,614,224 SH   SOLE   1,614,224 0 0
Allied World Assurance Co Holdings AG COM H01531104 44,152 1,092,337 SH   SOLE   1,063,195 0 29,142
AMERCO COM 023586100 83,835 258,565 SH   SOLE   258,565 0 0
AMN Healthcare Services Inc COM 001744101 15,301 480,095 SH   SOLE   412,740 0 67,355
Anadarko Petroleum Corp COM 032511107 2,651 41,840 SH   SOLE   41,840 0 0
ANSYS Inc COM 03662Q105 88,839 959,286 SH   SOLE   926,844 0 32,442
Apptio Inc COM 03835C108 7,789 358,962 SH   SOLE   308,582 0 50,380
Ares Capital Corp COM 04010L103 24,678 1,592,150 SH   SOLE   1,592,150 0 0
Associated Banc-Corp COM 045487105 63,957 3,264,766 SH   SOLE   3,138,999 0 125,767
Astronics Corp COM 046433108 12,836 284,932 SH   SOLE   244,957 0 39,975
Axalta Coating Systems Ltd COM G0750C108 40,776 1,442,370 SH   SOLE   1,442,370 0 0
B/E Aerospace Inc COM 073302101 49,511 958,398 SH   SOLE   936,398 0 22,000
Bio-Techne Corp COM 09073M104 66,963 611,536 SH   SOLE   585,677 0 25,859
Bitauto Holdings Ltd ADS 091727107 1,729 59,444 SH   SOLE   59,444 0 0
Boingo Wireless Inc COM 09739C102 27,862 2,710,355 SH   SOLE   2,710,355 0 0
BOK Financial Corp COM 05561Q201 44,567 646,173 SH   SOLE   646,173 0 0
Booz Allen Hamilton Holding Corp COM 099502106 38,196 1,208,367 SH   SOLE   1,208,367 0 0
Bright Horizons Family Solutions Inc COM 109194100 29,763 444,950 SH   SOLE   444,950 0 0
Broadridge Financial Solutions Inc COM 11133T103 39,755 586,438 SH   SOLE   586,438 0 0
Brunswick Corp/DE COM 117043109 17,417 357,047 SH   SOLE   306,955 0 50,092
Cadence Design Systems Inc COM 127387108 26,122 1,023,181 SH   SOLE   1,023,181 0 0
CAE Inc COM 124765108 37,964 2,673,142 SH   SOLE   2,510,582 0 162,560
Cambrex Corp COM 132011107 8,482 190,786 SH   SOLE   164,019 0 26,767
Carlisle Cos Inc COM 142339100 36,623 357,050 SH   SOLE   357,050 0 0
Carrizo Oil & Gas Inc COM 144577103 44,918 1,105,813 SH   SOLE   1,050,954 0 54,859
Cavco Industries Inc COM 149568107 51,954 524,527 SH   SOLE   491,836 0 32,691
CBOE Holdings Inc COM 12503M108 48,452 747,139 SH   SOLE   747,139 0 0
CDW Corp/DE COM 12514G108 49,712 1,087,076 SH   SOLE   1,087,076 0 0
Celanese Corp COM SER A 150870103 37,904 569,471 SH   SOLE   569,471 0 0
Celldex Therapeutics Inc COM 15117B103 11,746 2,907,523 SH   SOLE   2,907,523 0 0
Centene Corp COM 15135B101 47,018 702,187 SH   SOLE   702,187 0 0
Choice Hotels International Inc COM 169905106 28,583 634,056 SH   SOLE   609,221 0 24,835
Cimarex Energy Co COM 171798101 47,728 355,197 SH   SOLE   355,197 0 0
Cintas Corp COM 172908105 35,419 314,558 SH   SOLE   314,558 0 0
Clovis Oncology Inc COM 189464100 7,354 204,000 SH   SOLE   175,000 0 29,000
CNO Financial Group Inc COM 12621E103 35,247 2,308,268 SH   SOLE   2,308,268 0 0
Colliers International Group Inc SUB VTG SHS 194693107 13,650 324,451 SH   SOLE   278,932 0 45,519
Cooper-Standard Holding Inc COM 21676P103 31,724 321,097 SH   SOLE   321,097 0 0
Copart Inc COM 217204106 13,751 256,737 SH   SOLE   220,718 0 36,019
Core Laboratories NV COM N22717107 14,438 128,528 SH   SOLE   110,496 0 18,032
CoreLogic Inc/United States COM 21871D103 50,309 1,282,732 SH   SOLE   1,232,175 0 50,557
CoStar Group Inc COM 22160N109 23,388 108,015 SH   SOLE   92,861 0 15,154
Crown Castle International Corp COM 22822V101 16,212 172,087 SH   SOLE   172,087 0 0
DENTSPLY SIRONA Inc COM 24906P109 36,492 614,039 SH   SOLE   614,039 0 0
Diamondback Energy Inc COM 25278X109 47,494 491,963 SH   SOLE   491,963 0 0
Domino's Pizza Inc COM 25754A201 29,733 195,802 SH   SOLE   195,802 0 0
Dorman Products Inc COM 258278100 21,337 333,907 SH   SOLE   287,061 0 46,846
Drew Industries Inc COM 26168L205 80,321 819,432 SH   SOLE   783,107 0 36,325
Dunkin' Brands Group Inc COM 265504100 35,961 690,494 SH   SOLE   690,494 0 0
Eaton Vance Corp COM NON VTG 278265103 65,858 1,686,500 SH   SOLE   1,686,500 0 0
Education Realty Trust Inc COM 28140H203 119,427 2,768,351 SH   SOLE   2,768,351 0 0
Endologix Inc COM 29266S106 14,364 1,122,185 SH   SOLE   964,748 0 157,437
Equity LifeStyle Properties Inc COM 29472R108 31,744 411,299 SH   SOLE   411,299 0 0
ESCO Technologies Inc COM 296315104 18,845 405,958 SH   SOLE   349,004 0 56,954
Exact Sciences Corp COM 30063P105 10,370 558,434 SH   SOLE   480,088 0 78,346
ExlService Holdings Inc COM 302081104 58,421 1,172,166 SH   SOLE   1,117,488 0 54,678
Expeditors International of Washington Inc COM 302130109 92,096 1,787,573 SH   SOLE   1,787,573 0 0
Extra Space Storage Inc COM 30225T102 20,784 261,736 SH   SOLE   261,736 0 0
FactSet Research Systems Inc COM 303075105 30,421 187,666 SH   SOLE   187,666 0 0
Federal Realty Investment Trust SH BEN INT 313747206 39,209 254,717 SH   SOLE   254,717 0 0
Fiesta Restaurant Group Inc COM 31660B101 9,456 393,981 SH   SOLE   338,707 0 55,274
First Busey Corp COM 319383204 14,772 653,618 SH   SOLE   561,918 0 91,700
First Republic Bank/CA COM 33616C100 27,837 361,000 SH   SOLE   361,000 0 0
FirstService Corp SUB VTG SHS 33767E103 19,424 416,112 SH   SOLE   357,940 0 58,172
Five Below Inc COM 33829M101 34,301 851,356 SH   SOLE   804,154 0 47,202
FNF Group COM 31620R303 27,055 733,000 SH   SOLE   733,000 0 0
Frank's International NV COM N33462107 9,320 716,907 SH   SOLE   616,328 0 100,579
Gartner Inc COM 366651107 23,374 264,264 SH   SOLE   264,264 0 0
Generac Holdings Inc COM 368736104 49,925 1,375,346 SH   SOLE   1,375,346 0 0
Genomic Health Inc COM 37244C101 13,551 468,556 SH   SOLE   448,161 0 20,395
Gentex Corp COM 371901109 55,749 3,174,772 SH   SOLE   3,057,844 0 116,928
Global Eagle Entertainment Inc COM 37951D102 31,108 3,743,432 SH   SOLE   3,743,432 0 0
Global Payments Inc COM 37940X102 26,266 342,182 SH   SOLE   342,182 0 0
GoDaddy Inc CL A 380237107 44,866 1,299,341 SH   SOLE   1,299,341 0 0
Graco Inc COM 384109104 30,671 414,470 SH   SOLE   414,470 0 0
Great Southern Bancorp Inc COM 390905107 8,560 210,310 SH   SOLE   180,804 0 29,506
Grupo Aeroportuario del Sureste SAB de CV SPON ADR SER B 40051E202 60,877 415,769 SH   SOLE   402,406 0 13,363
Guidewire Software Inc COM 40171V100 19,170 319,602 SH   SOLE   274,763 0 44,839
Hanesbrands Inc COM 410345102 45,981 1,821,023 SH   SOLE   1,821,023 0 0
Healthcare Services Group Inc COM 421906108 17,560 443,657 SH   SOLE   382,214 0 61,443
HealthSouth Corp COM 421924309 128,969 3,178,922 SH   SOLE   3,104,997 0 73,925
HEICO Corp CL A 422806208 75,074 1,240,688 SH   SOLE   1,201,608 0 39,080
ICF International Inc COM 44925C103 22,430 506,097 SH   SOLE   435,094 0 71,003
IDEXX Laboratories Inc COM 45168D104 25,321 224,612 SH   SOLE   224,612 0 0
Interactive Brokers Group Inc COM 45841N107 32,848 931,316 SH   SOLE   931,316 0 0
Intercept Pharmaceuticals Inc COM 45845P108 31,685 192,510 SH   SOLE   187,860 0 4,650
International Flavors & Fragrances Inc COM 459506101 41,756 292,064 SH   SOLE   292,064 0 0
IPG Photonics Corp COM 44980X109 34,059 413,585 SH   SOLE   398,254 0 15,331
iRobot Corp COM 462726100 73,917 1,680,695 SH   SOLE   1,634,037 0 46,658
j2 Global Inc COM 48123V102 19,125 287,119 SH   SOLE   246,837 0 40,282
JB Hunt Transport Services Inc COM 445658107 39,238 483,583 SH   SOLE   483,583 0 0
Jones Lang LaSalle Inc COM 48020Q107 91,226 801,709 SH   SOLE   801,709 0 0
Knoll Inc COM 498904200 16,736 732,418 SH   SOLE   629,663 0 102,755
Lakeland Financial Corp COM 511656100 17,968 507,295 SH   SOLE   436,124 0 71,171
Lamar Advertising Co CL A 512816109 22,961 351,570 SH   SOLE   351,570 0 0
Lazard Ltd SHS A G54050102 94,963 2,611,751 SH   SOLE   2,611,751 0 0
LegacyTexas Financial Group Inc COM 52471Y106 18,108 572,490 SH   SOLE   493,849 0 78,641
LeMaitre Vascular Inc COM 525558201 12,561 633,128 SH   SOLE   544,303 0 88,825
Liberty Global PLC SHS CL A G5480U104 21,765 636,762 SH   SOLE   636,762 0 0
Liberty TripAdvisor Holdings Inc COM SER A 531465102 36,469 1,669,075 SH   SOLE   1,669,075 0 0
Ligand Pharmaceuticals Inc COM 53220K504 12,614 123,594 SH   SOLE   106,380 0 17,214
LivaNova PLC SHS G5509L101 129,744 2,158,449 SH   SOLE   2,093,101 0 65,348
LKQ Corp COM 501889208 79,491 2,241,704 SH   SOLE   2,241,704 0 0
MACOM Technology Solutions Holdings Inc COM 55405Y100 26,132 617,187 SH   SOLE   617,187 0 0
Manhattan Associates Inc COM 562750109 33,160 575,492 SH   SOLE   548,341 0 27,151
ManpowerGroup Inc COM 56418H100 21,889 302,917 SH   SOLE   302,917 0 0
MarketAxess Holdings Inc COM 57060D108 46,157 278,744 SH   SOLE   263,870 0 14,874
MAXIMUS Inc COM 577933104 16,130 285,183 SH   SOLE   245,173 0 40,010
MB Financial Inc COM 55264U108 59,246 1,557,472 SH   SOLE   1,483,098 0 74,374
Medidata Solutions Inc COM 58471A105 47,462 851,182 SH   SOLE   815,856 0 35,326
MEDNAX Inc COM 58502B106 56,148 847,522 SH   SOLE   802,110 0 45,412
Mettler-Toledo International Inc COM 592688105 34,316 81,737 SH   SOLE   81,737 0 0
Middleby Corp/The COM 596278101 55,945 452,557 SH   SOLE   437,565 0 14,992
Mimecast Ltd COM G14838109 14,223 743,512 SH   SOLE   639,488 0 104,024
Monolithic Power Systems Inc COM 609839105 41,174 511,482 SH   SOLE   474,157 0 37,325
Monro Muffler Brake Inc COM 610236101 46,645 762,552 SH   SOLE   733,039 0 29,513
Natus Medical Inc COM 639050103 10,412 265,000 SH   SOLE   228,000 0 37,000
Navigant Consulting Inc COM 63935N107 48,587 2,402,934 SH   SOLE   2,328,364 0 74,570
NetEase Inc SPON ADR 64110W102 3,419 14,200 SH   SOLE   14,200 0 0
NIC Inc COM 62914B100 38,240 1,627,252 SH   SOLE   1,536,102 0 91,150
Nordson Corp COM 655663102 56,299 565,085 SH   SOLE   543,373 0 21,712
Nutanix Inc COM 67059N108 5,550 150,000 SH   SOLE   150,000 0 0
NVR Inc COM 62944T105 38,094 23,230 SH   SOLE   23,230 0 0
Oil States International Inc COM 678026105 21,412 678,252 SH   SOLE   678,252 0 0
Old Dominion Freight Line Inc COM 679580100 33,855 493,439 SH   SOLE   493,439 0 0
OM Asset Management Plc COM G67506108 8,193 588,998 SH   SOLE   506,887 0 82,111
Oshkosh Corp COM 688239201 64,853 1,158,093 SH   SOLE   1,111,436 0 46,657
Papa John's International Inc COM 698813102 96,174 1,219,703 SH   SOLE   1,181,838 0 37,865
PDC Energy Inc COM 69327R101 11,612 173,159 SH   SOLE   148,865 0 24,294
Polaris Industries Inc COM 731068102 27,107 350,033 SH   SOLE   350,033 0 0
Pool Corp COM 73278L105 14,591 154,369 SH   SOLE   132,711 0 21,658
Popeyes Louisiana Kitchen Inc COM 732872106 27,464 516,822 SH   SOLE   516,822 0 0
PRA Health Sciences Inc COM 69354M108 49,888 882,825 SH   SOLE   882,825 0 0
Q2 Holdings Inc COM 74736L109 24,200 844,393 SH   SOLE   725,929 0 118,464
Qualys Inc COM 74758T303 13,230 346,430 SH   SOLE   332,879 0 13,551
Quintiles IMS Holdings Inc COM 74876Y101 67,845 836,973 SH   SOLE   836,973 0 0
Quotient Technology Inc COM 749119103 34,715 2,608,172 SH   SOLE   2,608,172 0 0
Raymond James Financial Inc COM 754730109 75,110 1,290,326 SH   SOLE   1,290,326 0 0
Repligen Corp COM 759916109 16,890 559,471 SH   SOLE   480,831 0 78,640
ResMed Inc COM 761152107 66,303 1,023,346 SH   SOLE   1,023,346 0 0
Robert Half International Inc COM 770323103 64,851 1,712,915 SH   SOLE   1,712,915 0 0
Rollins Inc COM 775711104 26,692 911,618 SH   SOLE   911,618 0 0
RPC Inc COM 749660106 36,474 2,171,084 SH   SOLE   2,171,084 0 0
Sandy Spring Bancorp Inc COM 800363103 12,028 393,331 SH   SOLE   338,148 0 55,183
SBA Communications Corp COM 78388J106 39,202 349,523 SH   SOLE   349,523 0 0
Seattle Genetics Inc COM 812578102 36,887 682,974 SH   SOLE   658,008 0 24,966
SEI Investments Co COM 784117103 52,759 1,156,735 SH   SOLE   1,111,554 0 45,181
ServiceMaster Global Holdings Inc COM 81761R109 10,264 304,748 SH   SOLE   261,993 0 42,755
Signature Bank/New York NY COM 82669G104 52,957 447,087 SH   SOLE   447,087 0 0
Snap-on Inc COM 833034101 35,887 236,161 SH   SOLE   236,161 0 0
Spectrum Brands Holdings Inc COM 84763R101 50,641 367,791 SH   SOLE   367,791 0 0
SPS Commerce Inc COM 78463M107 80,299 1,093,844 SH   SOLE   1,066,250 0 27,594
SVB Financial Group COM 78486Q101 83,714 757,315 SH   SOLE   727,525 0 29,790
Synopsys Inc COM 871607107 39,687 668,699 SH   SOLE   668,699 0 0
Tahoe Resources Inc COM 873868103 49,286 3,843,823 SH   SOLE   3,630,737 0 213,086
TASER International Inc COM 87651B104 16,649 581,933 SH   SOLE   500,873 0 81,060
Team Health Holdings Inc COM 87817A107 11,282 346,504 SH   SOLE   297,891 0 48,613
Tenneco Inc COM 880349105 74,063 1,271,034 SH   SOLE   1,271,034 0 0
Texas Roadhouse Inc COM 882681109 40,710 1,043,031 SH   SOLE   978,944 0 64,087
Toro Co/The COM 891092108 94,101 2,008,987 SH   SOLE   1,937,339 0 71,648
TriCo Bancshares COM 896095106 8,240 307,800 SH   SOLE   264,617 0 43,183
Tyler Technologies Inc COM 902252105 16,183 94,513 SH   SOLE   81,253 0 13,260
Ulta Salon Cosmetics & Fragrance Inc COM 90384S303 32,293 135,695 SH   SOLE   135,695 0 0
Ultimate Software Group Inc/The COM 90385D107 48,031 234,995 SH   SOLE   234,995 0 0
Ultragenyx Pharmaceutical Inc COM 90400D108 89,191 1,257,271 SH   SOLE   1,202,013 0 55,258
UMH Properties Inc COM 903002103 400 33,522 SH   SOLE   28,798 0 4,724
UniFirst Corp/MA COM 904708104 57,557 436,501 SH   SOLE   407,053 0 29,448
US Foods Holding Corp COM 912008109 28,735 1,217,063 SH   SOLE   1,217,063 0 0
Vail Resorts Inc COM 91879Q109 110,084 701,708 SH   SOLE   683,392 0 18,316
Vantiv Inc CL A 92210H105 57,990 1,030,568 SH   SOLE   1,030,568 0 0
Varian Medical Systems Inc COM 92220P105 39,613 398,000 SH   SOLE   398,000 0 0
VCA Inc COM 918194101 13,712 195,940 SH   SOLE   168,450 0 27,490
VeriSign Inc COM 92343E102 38,964 498,004 SH   SOLE   498,004 0 0
Vermilion Energy Inc COM 923725105 54,346 1,402,822 SH   SOLE   1,320,906 0 81,916
Vipshop Holdings Ltd SPON ADR 92763W103 51,209 3,490,735 SH   SOLE   3,490,735 0 0
Virtu Financial Inc CL A 928254101 11,862 792,387 SH   SOLE   681,182 0 111,205
VWR Corp COM 91843L103 87,763 3,094,606 SH   SOLE   2,993,596 0 101,010
WABCO Holdings Inc COM 92927K102 28,775 253,455 SH   SOLE   253,455 0 0
Wabtec Corp/DE COM 929740108 18,169 222,524 SH   SOLE   222,524 0 0
WageWorks Inc COM 930427109 66,793 1,096,584 SH   SOLE   1,057,719 0 38,865
Watsco Inc COM 942622200 50,719 359,965 SH   SOLE   346,720 0 13,245
WD-40 Co COM 929236107 49,981 444,553 SH   SOLE   424,555 0 19,998
West Pharmaceutical Services Inc COM 955306105 58,217 781,437 SH   SOLE   746,185 0 35,252
Williams-Sonoma Inc COM 969904101 50,311 984,954 SH   SOLE   984,954 0 0
WNS Holdings Ltd SPON ADR 92932M101 39,617 1,322,775 SH   SOLE   1,245,840 0 76,935
Zayo Group Holdings Inc COM 98919V105 23,435 788,780 SH   SOLE   788,780 0 0
Zeltiq Aesthetics Inc COM 98933Q108 16,182 412,602 SH   SOLE   354,716 0 57,886
Zoe's Kitchen Inc COM 98979J109 11,361 511,995 SH   SOLE   440,164 0 71,831