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 316827104 14,999 511,739 SH   SOLE   426,907 0 84,832
ABIOMED Inc COM 003654100 42,509 388,958 SH   SOLE   340,767 0 48,191
Acuity Brands Inc COM 00508Y102 81,380 328,197 SH   SOLE   291,197 0 37,000
Affiliated Managers Group Inc COM 008252108 67,618 480,346 SH   SOLE   424,346 0 56,000
Agilent Technologies Inc COM 00846U101 39,198 883,642 SH   SOLE   784,642 0 99,000
Agios Pharmaceuticals Inc COM 00847X104 16,726 399,236 SH   SOLE   353,606 0 45,630
Akorn Inc COM 009728106 59,153 2,076,628 SH   SOLE   1,834,589 0 242,039
Align Technology Inc COM 016255101 192,757 2,393,012 SH   SOLE   2,141,959 0 251,053
Allied World Assurance Co Holdings AG COM H01532108 33,149 943,338 SH   SOLE   823,237 0 120,101
AMERCO COM 023586100 82,460 220,158 SH   SOLE   200,850 0 19,308
AMETEK Inc COM 031100100 48,294 1,044,655 SH   SOLE   932,255 0 112,400
AMN Healthcare Services Inc COM 001744101 15,313 383,104 SH   SOLE   331,317 0 51,787
Anadarko Petroleum Corp COM 032511107 2,228 41,840 SH   SOLE   41,840 0 0
ANSYS Inc COM 03662Q105 96,249 1,060,596 SH   SOLE   950,679 0 109,917
Associated Banc-Corp COM 045487105 53,605 3,125,636 SH   SOLE   2,742,823 0 382,813
Astronics Corp COM 046433108 8,542 256,835 SH   SOLE   222,117 0 34,718
Axalta Coating Systems Ltd COM G0750C108 42,120 1,587,643 SH   SOLE   1,454,489 0 133,154
Bats Global Markets Inc COM 05491G109 11,637 452,982 SH   SOLE   391,749 0 61,233
Bio-Techne Corp COM 09073M104 81,921 726,445 SH   SOLE   640,070 0 86,375
Bitauto Holdings Ltd ADS 091727107 2,357 87,444 SH   SOLE   87,444 0 0
Boingo Wireless Inc COM 09739C102 24,967 2,799,034 SH   SOLE   2,364,136 0 434,898
BOK Financial Corp COM 05561Q201 36,830 587,399 SH   SOLE   519,899 0 67,500
Booz Allen Hamilton Holding Corp COM 099502106 67,643 2,282,136 SH   SOLE   2,026,136 0 256,000
Broadridge Financial Solutions Inc COM 11133T103 48,197 739,215 SH   SOLE   655,215 0 84,000
Brunswick Corp/DE COM 117043109 15,097 333,122 SH   SOLE   288,092 0 45,030
Cadence Design Systems Inc COM 127387108 31,552 1,298,449 SH   SOLE   1,143,181 0 155,268
CAE Inc COM 124765108 32,279 2,671,850 SH   SOLE   2,510,582 0 161,268
Cambrex Corp COM 132011107 16,290 314,909 SH   SOLE   272,341 0 42,568
Carlisle Cos Inc COM 142339100 47,654 450,924 SH   SOLE   398,924 0 52,000
Carrizo Oil & Gas Inc COM 144577103 38,092 1,062,539 SH   SOLE   926,772 0 135,767
Cato Corp/The CL A 149205106 36,795 975,470 SH   SOLE   975,470 0 0
Cavco Industries Inc COM 149568107 49,009 523,041 SH   SOLE   455,973 0 67,068
CBOE Holdings Inc COM 12503M108 62,915 944,391 SH   SOLE   834,391 0 110,000
CDW Corp/DE COM 12514G108 63,690 1,589,071 SH   SOLE   1,399,071 0 190,000
CEB Inc COM 125134106 9,658 156,581 SH   SOLE   135,415 0 21,166
Celanese Corp COM SER A 150870103 46,975 717,730 SH   SOLE   635,730 0 82,000
Celldex Therapeutics Inc COM 15117B103 23,100 5,261,934 SH   SOLE   4,686,509 0 575,425
Centene Corp COM 15135B101 63,405 888,393 SH   SOLE   784,393 0 104,000
Cepheid COM 15670R107 80,290 2,611,041 SH   SOLE   2,416,015 0 195,026
Choice Hotels International Inc COM 169905106 44,064 925,321 SH   SOLE   813,343 0 111,978
Cimarex Energy Co COM 171798101 36,497 305,874 SH   SOLE   275,432 0 30,442
CNO Financial Group Inc COM 12621E103 37,966 2,174,440 SH   SOLE   1,942,285 0 232,155
Colliers International Group Inc SUB VTG SHS 194693107 11,351 332,476 SH   SOLE   287,533 0 44,943
Copart Inc COM 217204106 11,461 233,856 SH   SOLE   202,244 0 31,612
Core Laboratories NV COM N22717107 16,317 131,706 SH   SOLE   113,903 0 17,803
CoreLogic Inc/United States COM 21871D103 59,181 1,537,974 SH   SOLE   1,349,903 0 188,071
Corrections Corp of America COM 22025Y407 10,296 294,000 SH   SOLE   254,000 0 40,000
CoStar Group Inc COM 22160N109 24,203 110,686 SH   SOLE   95,724 0 14,962
Crown Castle International Corp COM 22822V101 17,317 170,726 SH   SOLE   170,726 0 0
DENTSPLY SIRONA Inc COM 24906P109 47,665 768,298 SH   SOLE   685,224 0 83,074
Diamondback Energy Inc COM 25278X109 41,362 453,480 SH   SOLE   400,480 0 53,000
Domino's Pizza Inc COM 25754A201 62,557 476,153 SH   SOLE   420,769 0 55,384
Donaldson Co Inc COM 257651109 25,968 755,750 SH   SOLE   669,675 0 86,075
Dorman Products Inc COM 258278100 18,154 317,385 SH   SOLE   274,482 0 42,903
Drew Industries Inc COM 26168L205 104,866 1,236,042 SH   SOLE   1,076,243 0 159,799
Dunkin' Brands Group Inc COM 265504100 38,078 872,955 SH   SOLE   771,204 0 101,751
Eaton Vance Corp COM NON VTG 278265103 59,244 1,676,404 SH   SOLE   1,513,594 0 162,810
Education Realty Trust Inc COM 28140H203 122,667 2,658,591 SH   SOLE   2,405,767 0 252,824
Endologix Inc COM 29266S106 14,328 1,149,943 SH   SOLE   994,497 0 155,446
Equity LifeStyle Properties Inc COM 29472R108 41,492 518,320 SH   SOLE   459,320 0 59,000
ESCO Technologies Inc COM 296315104 16,615 415,997 SH   SOLE   359,764 0 56,233
Exact Sciences Corp COM 30063P105 9,432 770,000 SH   SOLE   666,000 0 104,000
ExlService Holdings Inc COM 302081104 51,654 985,566 SH   SOLE   864,275 0 121,291
Expeditors International of Washington Inc COM 302130109 104,304 2,126,919 SH   SOLE   1,882,430 0 244,489
Extra Space Storage Inc COM 30225T102 42,176 455,758 SH   SOLE   404,119 0 51,639
F5 Networks Inc COM 315616102 45,676 401,233 SH   SOLE   356,957 0 44,276
FactSet Research Systems Inc COM 303075105 50,096 310,343 SH   SOLE   276,128 0 34,215
Federal Realty Investment Trust SH BEN INT 313747206 54,674 330,254 SH   SOLE   284,590 0 45,664
Fiesta Restaurant Group Inc COM 31660B101 38,211 1,751,987 SH   SOLE   1,550,147 0 201,840
First Busey Corp COM 319383204 12,916 603,813 SH   SOLE   522,191 0 81,622
FirstService Corp SUB VTG SHS 33767E103 13,532 295,273 SH   SOLE   255,359 0 39,914
Five Below Inc COM 33829M101 39,570 852,609 SH   SOLE   749,452 0 103,157
FLIR Systems Inc COM 302445101 47,696 1,541,065 SH   SOLE   1,370,280 0 170,785
Fluidigm Corp COM 34385P108 16,049 1,777,282 SH   SOLE   1,564,797 0 212,485
Frank's International NV COM N33462107 10,733 734,641 SH   SOLE   635,334 0 99,307
Gartner Inc COM 366651107 42,584 437,164 SH   SOLE   386,164 0 51,000
Generac Holdings Inc COM 368736104 54,476 1,558,234 SH   SOLE   1,426,853 0 131,381
Genpact Ltd SHS G3992B107 37,098 1,382,196 SH   SOLE   1,227,887 0 154,309
Gentex Corp COM 371901109 38,157 2,469,700 SH   SOLE   2,167,018 0 302,682
Gentherm Inc COM 37253A103 11,767 343,563 SH   SOLE   297,121 0 46,442
Global Eagle Entertainment Inc COM 37951D102 25,687 3,868,482 SH   SOLE   3,446,865 0 421,617
Global Payments Inc COM 37940X102 43,452 608,746 SH   SOLE   536,988 0 71,758
GoDaddy Inc CL A 380237107 37,167 1,191,642 SH   SOLE   1,056,642 0 135,000
Graco Inc COM 384109104 41,294 522,777 SH   SOLE   462,777 0 60,000
Grupo Aeroportuario del Sureste SAB de CV SPON ADR SER B 40051E202 75,119 470,819 SH   SOLE   445,575 0 25,244
Guidewire Software Inc COM 40171V100 20,227 327,506 SH   SOLE   283,235 0 44,271
Hanesbrands Inc COM 410345102 59,627 2,372,753 SH   SOLE   2,167,753 0 205,000
Healthcare Services Group Inc COM 421906108 13,782 333,068 SH   SOLE   288,045 0 45,023
HealthSouth Corp COM 421924309 134,365 3,461,221 SH   SOLE   3,103,810 0 357,411
HEICO Corp CL A 422806208 71,717 1,336,750 SH   SOLE   1,185,921 0 150,829
HRG Group Inc COM 40434J100 58,556 4,264,836 SH   SOLE   3,947,360 0 317,476
ICF International Inc COM 44925C103 21,211 518,615 SH   SOLE   448,510 0 70,105
IDEXX Laboratories Inc COM 45168D104 34,399 370,439 SH   SOLE   328,439 0 42,000
Interactive Brokers Group Inc COM 45841N107 28,917 816,876 SH   SOLE   722,876 0 94,000
Intercept Pharmaceuticals Inc COM 45845P108 33,326 233,573 SH   SOLE   205,931 0 27,642
International Flavors & Fragrances Inc COM 459506101 46,560 369,317 SH   SOLE   326,317 0 43,000
IPG Photonics Corp COM 44980X109 37,916 473,945 SH   SOLE   420,315 0 53,630
iRobot Corp COM 462726100 53,914 1,536,874 SH   SOLE   1,395,454 0 141,420
j2 Global Inc COM 48123V102 17,114 270,921 SH   SOLE   234,299 0 36,622
JB Hunt Transport Services Inc COM 445658107 44,680 552,077 SH   SOLE   511,145 0 40,932
Jones Lang LaSalle Inc COM 48020Q107 88,221 905,297 SH   SOLE   814,895 0 90,402
Knoll Inc COM 498904200 16,774 690,871 SH   SOLE   597,481 0 93,390
Korn/Ferry International COM 500643200 7,562 365,294 SH   SOLE   315,915 0 49,379
Lakeland Financial Corp COM 511656100 14,924 317,473 SH   SOLE   274,558 0 42,915
Lamar Advertising Co CL A 512816109 27,560 415,691 SH   SOLE   369,738 0 45,953
Lazard Ltd SHS A G54050102 90,027 3,023,066 SH   SOLE   2,724,529 0 298,537
LegacyTexas Financial Group Inc COM 52471Y106 10,485 389,631 SH   SOLE   336,962 0 52,669
LeMaitre Vascular Inc COM 525558201 7,989 559,839 SH   SOLE   484,162 0 75,677
Liberty Global PLC SHS CL A G548OU104 15,207 523,300 SH   SOLE   523,300 0 0
Liberty Global Plc LiLAC LiLAC SHS CL A G548OU138 2,106 65,291 SH   SOLE   65,291 0 0
Liberty TripAdvisor Holdings Inc COM SER A 531465102 43,485 1,987,435 SH   SOLE   1,811,448 0 175,987
Ligand Pharmaceuticals Inc COM 53220K504 24,133 202,341 SH   SOLE   174,989 0 27,352
LivaNova PLC SHS G5509L101 110,867 2,207,192 SH   SOLE   2,031,789 0 175,403
LKQ Corp COM 501889208 87,043 2,745,834 SH   SOLE   2,521,618 0 224,216
Lumos Networks Corp COM 550283105 9,317 770,000 SH   SOLE   667,562 0 102,438
MACOM Technology Solutions Holdings Inc COM 55405Y100 25,515 773,652 SH   SOLE   688,726 0 84,926
Manhattan Associates Inc COM 562750109 74,643 1,163,931 SH   SOLE   1,028,840 0 135,091
ManpowerGroup Inc COM 56418H100 33,347 518,289 SH   SOLE   457,289 0 61,000
MarketAxess Holdings Inc COM 57060D108 70,475 484,697 SH   SOLE   423,816 0 60,881
MAXIMUS Inc COM 577933104 16,181 292,235 SH   SOLE   252,732 0 39,503
MB Financial Inc COM 55264U108 51,164 1,410,266 SH   SOLE   1,235,571 0 174,695
Medidata Solutions Inc COM 58471A105 81,040 1,729,046 SH   SOLE   1,537,849 0 191,197
Medivation Inc COM 58501N101 25,728 426,668 SH   SOLE   377,148 0 49,520
MEDNAX Inc COM 58502B106 70,410 972,106 SH   SOLE   851,493 0 120,613
Mettler-Toledo International Inc COM 592688105 69,382 190,130 SH   SOLE   166,231 0 23,899
Middleby Corp/The COM 596278101 74,025 642,299 SH   SOLE   580,840 0 61,459
Monolithic Power Systems Inc COM 609839105 38,584 564,752 SH   SOLE   494,196 0 70,556
Monro Muffler Brake Inc COM 610236101 36,178 569,197 SH   SOLE   499,229 0 69,968
Moog Inc CL A 615394202 10,182 188,830 SH   SOLE   163,305 0 25,525
Navigant Consulting Inc COM 63935N107 46,071 2,852,724 SH   SOLE   2,522,507 0 330,217
NetEase Inc SPON ADR 64110W102 3,285 17,000 SH   SOLE   17,000 0 0
NetSuite Inc COM 64118Q107 40,787 560,259 SH   SOLE   494,716 0 65,543
NIC Inc COM 62914B100 51,222 2,334,626 SH   SOLE   2,051,118 0 283,508
Nordson Corp COM 655663102 61,822 739,410 SH   SOLE   674,649 0 64,761
NVR Inc COM 62944T105 52,716 29,610 SH   SOLE   25,940 0 3,670
Old Dominion Freight Line Inc COM 679580100 37,773 626,309 SH   SOLE   551,309 0 75,000
Oshkosh Corp COM 688239201 63,693 1,335,006 SH   SOLE   1,180,940 0 154,066
Papa John's International Inc COM 698813102 107,881 1,586,479 SH   SOLE   1,424,599 0 161,880
PDC Energy Inc COM 69327R101 31,854 552,933 SH   SOLE   480,021 0 72,912
PGT Inc COM 69336V101 20,886 2,027,738 SH   SOLE   1,782,994 0 244,744
Polaris Industries Inc COM 731068102 51,200 626,219 SH   SOLE   553,036 0 73,183
Pool Corp COM 73278L105 13,439 142,924 SH   SOLE   123,604 0 19,320
Popeyes Louisiana Kitchen Inc COM 732872106 28,418 520,103 SH   SOLE   462,788 0 57,315
PRA Health Sciences Inc COM 69354M108 46,366 1,110,291 SH   SOLE   985,291 0 125,000
Q2 Holdings Inc COM 74736L109 19,327 689,760 SH   SOLE   596,520 0 93,240
Quintiles Transnational Holdings Inc COM 74876Y101 66,000 1,010,406 SH   SOLE   896,406 0 114,000
Quotient Technology Inc COM 749119103 60,945 4,544,706 SH   SOLE   4,047,028 0 497,678
Raymond James Financial Inc COM 754730109 62,562 1,268,996 SH   SOLE   1,121,996 0 147,000
Repligen Corp COM 759916109 21,912 800,877 SH   SOLE   692,617 0 108,260
ResMed Inc COM 761152107 66,139 1,045,999 SH   SOLE   926,999 0 119,000
Robert Half International Inc COM 770323103 103,992 2,725,159 SH   SOLE   2,447,406 0 277,753
Rogers Corp COM 775133101 7,023 114,942 SH   SOLE   99,224 0 15,718
Rollins Inc COM 775711104 33,314 1,138,174 SH   SOLE   1,016,174 0 122,000
Sandy Spring Bancorp Inc COM 800363103 10,256 352,937 SH   SOLE   305,228 0 47,709
Sarepta Therapeutics Inc COM 803607100 12,242 641,932 SH   SOLE   566,210 0 75,722
SBA Communications Corp COM 78388J106 47,765 442,514 SH   SOLE   390,514 0 52,000
Seattle Genetics Inc COM 812578102 57,721 1,428,393 SH   SOLE   1,275,647 0 152,746
SEI Investments Co COM 784117103 66,279 1,377,654 SH   SOLE   1,216,812 0 160,842
ServiceMaster Global Holdings Inc COM 81761R109 12,429 312,285 SH   SOLE   270,071 0 42,214
Signature Bank/New York NY COM 82669G104 42,049 336,607 SH   SOLE   299,607 0 37,000
SPS Commerce Inc COM 78463M107 81,628 1,347,002 SH   SOLE   1,204,692 0 142,310
Starz COM SER A 85571Q102 44,264 1,479,416 SH   SOLE   1,305,995 0 173,421
SVB Financial Group COM 78486Q101 80,727 848,326 SH   SOLE   770,764 0 77,562
Synopsys Inc COM 871607107 33,099 612,044 SH   SOLE   541,044 0 71,000
Tahoe Resources Inc COM 873868103 57,519 3,840,854 SH   SOLE   3,630,737 0 210,117
TASER International Inc COM 87651B104 10,538 423,554 SH   SOLE   366,299 0 57,255
Team Health Holdings Inc COM 87817A107 6,670 164,002 SH   SOLE   141,833 0 22,169
Tenneco Inc COM 880349105 58,680 1,258,953 SH   SOLE   1,116,155 0 142,798
Texas Roadhouse Inc COM 882681109 17,462 382,928 SH   SOLE   331,165 0 51,763
Toro Co/The COM 891092108 114,233 1,295,158 SH   SOLE   1,141,430 0 153,728
TriCo Bancshares COM 896095106 8,705 315,412 SH   SOLE   272,776 0 42,636
Tyler Technologies Inc COM 902252105 16,146 96,848 SH   SOLE   83,757 0 13,091
Ulta Salon Cosmetics & Fragrance Inc COM 90384S303 70,115 287,781 SH   SOLE   254,781 0 33,000
Ultimate Software Group Inc/The COM 90385D107 75,032 356,804 SH   SOLE   319,804 0 37,000
Ultragenyx Pharmaceutical Inc COM 90400D108 42,229 863,392 SH   SOLE   767,888 0 95,504
Under Armour Inc CL A 904311107 12,299 306,485 SH   SOLE   272,485 0 34,000
Under Armour Inc CL C 904311206 11,486 315,552 SH   SOLE   281,311 0 34,241
UniFirst Corp/MA COM 904708104 24,890 215,085 SH   SOLE   186,011 0 29,074
US Foods Holding Corp COM 912008109 37,228 1,535,814 SH   SOLE   1,359,414 0 176,400
Vail Resorts Inc COM 91879Q109 137,486 994,621 SH   SOLE   894,753 0 99,868
Vantiv Inc CL A 92210H105 59,282 1,047,388 SH   SOLE   924,388 0 123,000
VCA Inc COM 918194101 13,575 200,784 SH   SOLE   173,643 0 27,141
VeriSign Inc COM 92343E102 54,337 628,469 SH   SOLE   556,409 0 72,060
Vermilion Energy Inc COM 923725105 60,510 1,900,457 SH   SOLE   1,803,906 0 96,551
Vipshop Holdings Ltd SPON ADR 92763W103 38,992 3,490,735 SH   SOLE   3,490,735 0 0
Virtu Financial Inc CL A 928254101 17,065 948,076 SH   SOLE   819,918 0 128,158
VWR Corp COM 91843L103 138,373 4,788,009 SH   SOLE   4,277,062 0 510,947
WABCO Holdings Inc COM 92927K102 29,109 317,889 SH   SOLE   282,674 0 35,215
Wabtec Corp/DE COM 929740108 11,096 158,000 SH   SOLE   158,000 0 0
WageWorks Inc COM 930427109 60,595 1,013,130 SH   SOLE   890,594 0 122,536
Watsco Inc COM 942622200 45,963 326,699 SH   SOLE   287,845 0 38,854
WD-40 Co COM 929236107 58,561 498,601 SH   SOLE   440,460 0 58,141
West Pharmaceutical Services Inc COM 955306105 70,141 924,372 SH   SOLE   814,567 0 109,805
Williams-Sonoma Inc COM 969904101 64,490 1,237,094 SH   SOLE   1,099,105 0 137,989
WNS Holdings Ltd SPON ADR 92932M101 58,020 2,148,881 SH   SOLE   1,909,832 0 239,049
Zayo Group Holdings Inc COM 98919V105 27,896 998,774 SH   SOLE   881,289 0 117,485
Zeltiq Aesthetics Inc COM 98933Q108 14,572 533,203 SH   SOLE   461,126 0 72,077
Zoe's Kitchen Inc COM 98979J109 11,616 320,256 SH   SOLE   276,965 0 43,291