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
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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
ABIOMED, Inc. COM 003654100 37,729 263,285 SH   SOLE   235,610 0 27,675
AMETEK, Inc. COM 031100100 84,663 1,397,770 SH   SOLE   1,248,535 0 149,235
ANSYS, Inc. COM 03662Q105 62,608 514,530 SH   SOLE   459,710 0 54,820
Aceto Corporation COM 004446100 22,169 1,434,883 SH   SOLE   978,533 0 456,350
Actuant Corporation Class A COM 00508X203 46,355 1,884,345 SH   SOLE   1,290,710 0 593,635
Advance Auto Parts, Inc. COM 00751Y106 71,048 609,385 SH   SOLE   545,105 0 64,280
Akamai Technologies, Inc. COM 00971T101 44,239 888,150 SH   SOLE   794,285 0 93,865
Align Technology, Inc. COM 016255101 104,234 694,340 SH   SOLE   620,195 0 74,145
Allied World Assurance Company COM H01531104 187,935 3,552,651 SH   SOLE   2,773,035 0 779,616
Amplify Snack Brands Inc COM 03211L102 21,392 2,219,113 SH   SOLE   1,513,763 0 705,350
Aptargroup, Inc. COM 038336103 126,489 1,456,245 SH   SOLE   1,302,065 0 154,180
Argo Group International Holdi COM G0464B107 75,069 1,238,758 SH   SOLE   847,623 0 391,135
Arthur J. Gallagher & Co. COM 363576109 90,561 1,581,850 SH   SOLE   1,413,505 0 168,345
B&G Foods, Inc. COM 05508R106 68,282 1,918,022 SH   SOLE   1,303,319 0 614,703
Blackbaud, Inc. COM 09227Q100 192,052 2,239,678 SH   SOLE   1,696,038 0 543,640
Blue Buffalo Pet Products Inc COM 09531U102 23,333 1,022,910 SH   SOLE   910,240 0 112,670
Boston Beer Company, Inc. Clas COM 100557107 45,791 346,506 SH   SOLE   235,226 0 111,280
Brady Corporation Class A COM 104674106 28,106 829,079 SH   SOLE   566,249 0 262,830
Bryn Mawr Bank Corporation COM 117665109 38,373 902,897 SH   SOLE   613,162 0 289,735
Buffalo Wild Wings, Inc. COM 119848109 38,132 300,963 SH   SOLE   203,803 0 97,160
C. R. Bard, Inc. COM 067383109 86,714 274,315 SH   SOLE   243,340 0 30,975
CONMED Corporation COM 207410101 89,018 1,747,516 SH   SOLE   1,196,381 0 551,135
CVB Financial Corp. COM 126600105 52,991 2,362,507 SH   SOLE   1,614,952 0 747,555
Cantel Medical Corp. COM 138098108 59,008 757,382 SH   SOLE   514,517 0 242,865
Cardiovascular Systems, Inc. COM 141619106 58,071 1,801,762 SH   SOLE   1,228,087 0 573,675
Catalent Inc COM 148806102 54,686 1,558,010 SH   SOLE   1,240,875 0 317,135
CommVault Systems, Inc. COM 204166102 75,891 1,344,389 SH   SOLE   917,304 0 427,085
Commerce Bancshares, Inc. COM 200525103 59,591 1,048,580 SH   SOLE   937,610 0 110,970
Community Bank System, Inc. COM 203607106 39,268 704,112 SH   SOLE   478,302 0 225,810
Cooper Companies, Inc. COM 216648402 105,268 439,680 SH   SOLE   398,135 0 41,545
Core Laboratories NV COM N22717107 49,157 485,406 SH   SOLE   433,525 0 51,881
Cullen/Frost Bankers, Inc. COM 229899109 77,637 826,720 SH   SOLE   739,680 0 87,040
DENTSPLY SIRONA, Inc. COM 24906P109 103,406 1,594,785 SH   SOLE   1,423,310 0 171,475
Denbury Resources Inc. COM 247916208 12,555 8,206,135 SH   SOLE   7,505,580 0 700,555
Dover Corporation COM 260003108 94,891 1,182,890 SH   SOLE   1,057,685 0 125,205
El Pollo Loco Holdings Inc COM 268603107 18,876 1,362,853 SH   SOLE   932,578 0 430,275
Envestnet, Inc. COM 29404K106 38,855 981,184 SH   SOLE   670,084 0 311,100
Fastenal Company COM 311900104 35,438 814,100 SH   SOLE   728,125 0 85,975
Financial Engines, Inc. COM 317485100 65,988 1,802,947 SH   SOLE   1,228,867 0 574,080
First Financial Bankshares, In COM 32020R109 33,560 759,278 SH   SOLE   515,668 0 243,610
Flowers Foods, Inc. COM 343498101 96,070 5,549,975 SH   SOLE   4,958,190 0 591,785
Fortinet, Inc. COM 34959E109 44,770 1,195,790 SH   SOLE   1,069,855 0 125,935
Forum Energy Technologies, Inc COM 34984V100 37,199 2,384,558 SH   SOLE   1,631,783 0 752,775
German American Bancorp, Inc. COM 373865104 27,370 802,887 SH   SOLE   543,037 0 259,850
Gigamon Inc. COM 37518B102 38,410 976,104 SH   SOLE   669,049 0 307,055
Gorman-Rupp Company COM 383082104 13,368 524,837 SH   SOLE   349,692 0 175,145
Guidewire Software, Inc. COM 40171V100 146,612 2,133,782 SH   SOLE   1,650,622 0 483,160
H.B. Fuller Company COM 359694106 89,711 1,755,259 SH   SOLE   1,198,624 0 556,635
Healthcare Services Group, Inc COM 421906108 7,219 154,149 SH   SOLE   104,914 0 49,235
Helen of Troy Limited COM G4388N106 62,228 661,300 SH   SOLE   448,375 0 212,925
Henry Schein, Inc. COM 806407102 66,867 365,355 SH   SOLE   326,270 0 39,085
Hibbett Sports, Inc. COM 428567101 16,420 791,304 SH   SOLE   538,724 0 252,580
Hormel Foods Corporation COM 440452100 89,121 2,612,765 SH   SOLE   2,330,695 0 282,070
ICU Medical, Inc. COM 44930G107 86,783 503,091 SH   SOLE   343,281 0 159,810
IDEX Corporation COM 45167R104 74,197 656,550 SH   SOLE   587,275 0 69,275
INC Research Holdings, Inc. Cl COM 45329R109 26,673 455,945 SH   SOLE   309,745 0 146,200
Independent Bank Corp. COM 453836108 42,942 644,286 SH   SOLE   439,376 0 204,910
Innospec Inc. COM 45768S105 50,835 775,509 SH   SOLE   531,334 0 244,175
Insulet Corporation COM 45784P101 67,442 1,314,405 SH   SOLE   895,330 0 419,075
Integra LifeSciences Holdings COM 457985208 242,444 4,447,689 SH   SOLE   3,423,774 0 1,023,915
International Flavors & Fragra COM 459506101 23,129 171,325 SH   SOLE   152,700 0 18,625
J & J Snack Foods Corp. COM 466032109 20,115 152,304 SH   SOLE   103,669 0 48,635
J. M. Smucker Company COM 832696405 81,413 688,020 SH   SOLE   614,905 0 73,115
John Bean Technologies Corpora COM 477839104 44,075 449,746 SH   SOLE   308,551 0 141,195
John Wiley & Sons, Inc. Class COM 968223206 172,340 3,267,113 SH   SOLE   2,526,003 0 741,110
Laboratory Corporation of Amer COM 50540R409 112,595 730,475 SH   SOLE   652,500 0 77,975
LogMeIn, Inc. COM 54142L109 109,113 1,044,144 SH   SOLE   760,854 0 283,290
Lydall, Inc. COM 550819106 61,912 1,197,526 SH   SOLE   815,626 0 381,900
McCormick & Company, Incorpora COM 579780206 18,934 194,180 SH   SOLE   173,560 0 20,620
Medidata Solutions, Inc. COM 58471A105 126,656 1,619,637 SH   SOLE   1,240,512 0 379,125
Molson Coors Brewing Company C COM 60871R209 57,441 665,285 SH   SOLE   598,665 0 66,620
Morningstar, Inc. COM 617700109 27,390 349,625 SH   SOLE   312,745 0 36,880
NIC Inc. COM 62914B100 36,879 1,946,143 SH   SOLE   1,324,733 0 621,410
Navigators Group, Inc. COM 638904102 66,076 1,203,562 SH   SOLE   817,407 0 386,155
New Relic, Inc. COM 64829B100 72,876 1,694,392 SH   SOLE   1,155,397 0 538,995
Nordson Corporation COM 655663102 20,349 167,728 SH   SOLE   149,968 0 17,760
Northern Trust Corporation COM 665859104 117,746 1,211,255 SH   SOLE   1,082,190 0 129,065
NuVasive, Inc. COM 670704105 168,754 2,193,885 SH   SOLE   1,697,333 0 496,552
Omnicell, Inc. COM 68213N109 71,372 1,655,973 SH   SOLE   1,130,318 0 525,655
Palo Alto Networks, Inc. COM 697435105 97,096 725,625 SH   SOLE   649,260 0 76,365
Penumbra, Inc. COM 70975L107 42,018 478,841 SH   SOLE   327,671 0 151,170
Prestige Brands Holdings, Inc. COM 74112D101 21,067 398,914 SH   SOLE   268,469 0 130,445
Prosperity Bancshares, Inc.(R) COM 743606105 105,865 1,647,953 SH   SOLE   1,310,468 0 337,485
Q2 Holdings, Inc. COM 74736L109 5,210 141,000 SH   SOLE   96,480 0 44,520
Qualys, Inc. COM 74758T303 86,983 2,131,939 SH   SOLE   1,453,424 0 678,515
Red Hat, Inc. COM 756577102 105,581 1,102,670 SH   SOLE   984,955 0 117,715
Ritchie Bros. Auctioneers Inco COM 767744105 130,500 4,540,719 SH   SOLE   3,483,064 0 1,057,655
Rockwell Automation, Inc. COM 773903109 94,687 584,635 SH   SOLE   523,570 0 61,065
STERIS Plc COM G84720104 103,180 1,266,010 SH   SOLE   1,130,100 0 135,910
SVB Financial Group COM 78486Q101 28,257 160,745 SH   SOLE   143,750 0 16,995
Sally Beauty Holdings, Inc. COM 79546E104 69,583 3,436,205 SH   SOLE   3,066,275 0 369,930
Snyder's-Lance, Inc. COM 833551104 189,015 5,459,708 SH   SOLE   4,251,173 0 1,208,535
Splunk Inc. COM 848637104 74,787 1,314,585 SH   SOLE   1,175,125 0 139,460
Standex International Corporat COM 854231107 69,139 762,277 SH   SOLE   521,562 0 240,715
Stericycle, Inc. COM 858912108 63,265 828,938 SH   SOLE   740,423 0 88,515
Stock Yards Bancorp, Inc. COM 861025104 24,257 623,578 SH   SOLE   423,743 0 199,835
Supernus Pharmaceuticals, Inc. COM 868459108 32,149 745,917 SH   SOLE   508,312 0 237,605
Synopsys, Inc. COM 871607107 44,308 607,547 SH   SOLE   543,007 0 64,540
Tableau Software, Inc. Class A COM 87336U105 79,282 1,293,985 SH   SOLE   1,156,175 0 137,810
TreeHouse Foods, Inc. COM 89469A104 227,817 2,788,805 SH   SOLE   2,191,085 0 597,720
TriMas Corporation COM 896215209 60,647 2,908,719 SH   SOLE   1,992,094 0 916,625
UMB Financial Corporation COM 902788108 58,524 781,778 SH   SOLE   533,898 0 247,880
Verisk Analytics Inc COM 92345Y106 38,502 456,350 SH   SOLE   405,100 0 51,250
W.W. Grainger, Inc. COM 384802104 65,731 364,100 SH   SOLE   325,810 0 38,290
WEX Inc. COM 96208T104 183,476 1,759,626 SH   SOLE   1,393,821 0 365,805
Washington Trust Bancorp, Inc. COM 940610108 42,463 823,724 SH   SOLE   561,499 0 262,225
Waters Corporation COM 941848103 78,894 429,145 SH   SOLE   383,360 0 45,785
Welbilt Inc COM 949090104 73,587 3,903,833 SH   SOLE   2,654,128 0 1,249,705
Westinghouse Air Brake Technol COM 929740108 93,107 1,017,560 SH   SOLE   910,285 0 107,275
Whole Foods Market, Inc. COM 966837106 106,641 2,532,430 SH   SOLE   2,278,240 0 254,190
Wolverine World Wide, Inc. COM 978097103 111,550 3,982,523 SH   SOLE   2,727,248 0 1,255,275
Woodward, Inc. COM 980745103 70,799 1,047,637 SH   SOLE   712,437 0 335,200
Workday, Inc. Class A COM 98138H101 79,473 819,305 SH   SOLE   732,025 0 87,280
Xactly Corp COM 98386L101 25,920 1,656,221 SH   SOLE   1,143,361 0 512,860
e.l.f. Beauty, Inc. COM 26856L103 36,806 1,352,659 SH   SOLE   918,379 0 434,280
Ambev SA Sponsored ADR ADR 02319V103 61 11,200 SH   SOLE   11,200 0 0
Talend SA Sponsored ADR ADR 874224207 6,999 201,235 SH   SOLE   142,410 0 58,825