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 23,460 187,380 SH   SOLE   169,195 0 18,185
AMETEK, Inc. COM 031100100 76,966 1,423,190 SH   SOLE   1,283,645 0 139,545
ANSYS, Inc. COM 03662Q105 64,675 605,175 SH   SOLE   546,635 0 58,540
Aceto Corporation COM 004446100 22,649 1,432,580 SH   SOLE   987,415 0 445,165
Actuant Corporation Class A COM 00508X203 49,055 1,861,665 SH   SOLE   1,282,330 0 579,335
Advance Auto Parts, Inc. COM 00751Y106 86,203 581,430 SH   SOLE   525,375 0 56,055
AdvancePierre Foods Holdings, COM 00782L107 72,722 2,333,075 SH   SOLE   1,609,320 0 723,755
Akamai Technologies, Inc. COM 00971T101 47,504 795,715 SH   SOLE   718,840 0 76,875
Align Technology, Inc. COM 016255101 79,910 696,630 SH   SOLE   628,595 0 68,035
Allied World Assurance Company COM H01531104 205,204 3,864,486 SH   SOLE   3,065,870 0 798,616
Amplify Snack Brands Inc COM 03211L102 17,493 2,082,545 SH   SOLE   1,435,515 0 647,030
Aptargroup, Inc. COM 038336103 90,800 1,179,380 SH   SOLE   1,063,470 0 115,910
Argo Group International Holdi COM G0464B107 74,711 1,101,933 SH   SOLE   760,375 0 341,558
Arthur J. Gallagher & Co. COM 363576109 87,700 1,551,110 SH   SOLE   1,400,875 0 150,235
B&G Foods, Inc. COM 05508R106 61,822 1,535,943 SH   SOLE   1,060,635 0 475,308
Balchem Corporation COM 057665200 6,182 75,000 SH   SOLE   0 0 75,000
Blackbaud, Inc. COM 09227Q100 173,194 2,258,955 SH   SOLE   1,729,400 0 529,555
Boston Beer Company, Inc. Clas COM 100557107 49,880 344,835 SH   SOLE   237,350 0 107,485
Brady Corporation Class A COM 104674106 35,456 917,360 SH   SOLE   633,550 0 283,810
Bryn Mawr Bank Corporation COM 117665109 33,835 856,580 SH   SOLE   589,275 0 267,305
Buffalo Wild Wings, Inc. COM 119848109 43,987 287,966 SH   SOLE   199,161 0 88,805
C. R. Bard, Inc. COM 067383109 76,235 306,730 SH   SOLE   276,585 0 30,145
CONMED Corporation COM 207410101 76,760 1,728,445 SH   SOLE   1,192,510 0 535,935
CST Brands, Inc. COM 12646R105 32,948 685,130 SH   SOLE   502,770 0 182,360
CVB Financial Corp. COM 126600105 51,029 2,310,035 SH   SOLE   1,593,590 0 716,445
Cantel Medical Corp. COM 138098108 53,850 672,285 SH   SOLE   463,880 0 208,405
Cardiovascular Systems, Inc. COM 141619106 49,263 1,742,285 SH   SOLE   1,207,480 0 534,805
CommVault Systems, Inc. COM 204166102 59,034 1,162,085 SH   SOLE   799,995 0 362,090
Commerce Bancshares, Inc. COM 200525103 57,349 1,021,170 SH   SOLE   922,150 0 99,020
Community Bank System, Inc. COM 203607106 38,114 693,225 SH   SOLE   477,515 0 215,710
Cooper Companies, Inc. COM 216648402 104,817 524,375 SH   SOLE   480,030 0 44,345
Core Laboratories NV COM N22717107 55,308 478,770 SH   SOLE   432,340 0 46,430
Cullen/Frost Bankers, Inc. COM 229899109 71,487 803,500 SH   SOLE   725,990 0 77,510
DENTSPLY SIRONA, Inc. COM 24906P109 96,246 1,541,415 SH   SOLE   1,390,750 0 150,665
Denbury Resources Inc. COM 247916208 21,327 8,266,220 SH   SOLE   7,552,465 0 713,755
Donaldson Company, Inc. COM 257651109 29,418 646,270 SH   SOLE   582,785 0 63,485
Dover Corporation COM 260003108 116,138 1,445,405 SH   SOLE   1,305,400 0 140,005
El Pollo Loco Holdings Inc COM 268603107 15,989 1,337,960 SH   SOLE   925,695 0 412,265
Envestnet, Inc. COM 29404K106 31,425 972,915 SH   SOLE   671,200 0 301,715
Fastenal Company COM 311900104 40,498 786,360 SH   SOLE   709,755 0 76,605
Financial Engines, Inc. COM 317485100 75,662 1,737,370 SH   SOLE   1,197,800 0 539,570
First Financial Bankshares, In COM 32020R109 29,428 733,855 SH   SOLE   508,790 0 225,065
Flowers Foods, Inc. COM 343498101 105,613 5,441,170 SH   SOLE   4,913,755 0 527,415
Fortinet, Inc. COM 34959E109 43,829 1,142,880 SH   SOLE   1,032,255 0 110,625
Forum Energy Technologies, Inc COM 34984V100 48,876 2,361,150 SH   SOLE   1,631,425 0 729,725
German American Bancorp, Inc. COM 373865104 18,000 380,225 SH   SOLE   261,010 0 119,215
Gigamon Inc. COM 37518B102 34,143 960,410 SH   SOLE   659,765 0 300,645
Gorman-Rupp Company COM 383082104 16,229 516,860 SH   SOLE   347,520 0 169,340
Guidewire Software, Inc. COM 40171V100 121,497 2,156,880 SH   SOLE   1,688,325 0 468,555
H.B. Fuller Company COM 359694106 85,813 1,664,330 SH   SOLE   1,147,845 0 516,485
Helen of Troy Limited COM G4388N106 50,497 536,065 SH   SOLE   368,260 0 167,805
Henry Schein, Inc. COM 806407102 56,653 333,310 SH   SOLE   301,025 0 32,285
Hibbett Sports, Inc. COM 428567101 22,821 773,590 SH   SOLE   532,910 0 240,680
Hormel Foods Corporation COM 440452100 50,220 1,450,175 SH   SOLE   1,310,845 0 139,330
ICU Medical, Inc. COM 44930G107 75,773 496,220 SH   SOLE   341,460 0 154,760
IDEX Corporation COM 45167R104 66,790 714,250 SH   SOLE   644,135 0 70,115
Independent Bank Corp. COM 453836108 40,065 616,390 SH   SOLE   426,095 0 190,295
Innospec Inc. COM 45768S105 49,468 763,990 SH   SOLE   525,855 0 238,135
Insulet Corporation COM 45784P101 49,333 1,144,875 SH   SOLE   787,870 0 357,005
Integra LifeSciences Holdings COM 457985208 187,005 4,438,760 SH   SOLE   3,456,950 0 981,810
International Flavors & Fragra COM 459506101 22,463 169,495 SH   SOLE   152,950 0 16,545
J & J Snack Foods Corp. COM 466032109 24,017 177,167 SH   SOLE   122,910 0 54,257
J. M. Smucker Company COM 832696405 79,803 608,810 SH   SOLE   550,005 0 58,805
John Bean Technologies Corpora COM 477839104 38,977 443,175 SH   SOLE   306,185 0 136,990
John Wiley & Sons, Inc. Class COM 968223206 169,705 3,154,365 SH   SOLE   2,456,335 0 698,030
Laboratory Corporation of Amer COM 50540R409 101,722 709,015 SH   SOLE   640,130 0 68,885
Landstar System, Inc. COM 515098101 25,061 292,600 SH   SOLE   203,445 0 89,155
LogMeIn, Inc. COM 54142L109 78,809 808,295 SH   SOLE   557,445 0 250,850
Lydall, Inc. COM 550819106 57,517 1,073,070 SH   SOLE   738,930 0 334,140
Masimo Corporation COM 574795100 27,345 293,215 SH   SOLE   199,325 0 93,890
McCormick & Company, Incorpora COM 579780206 18,776 192,480 SH   SOLE   173,960 0 18,520
Mead Johnson Nutrition Company COM 582839106 70,876 795,640 SH   SOLE   725,250 0 70,390
Medidata Solutions, Inc. COM 58471A105 95,375 1,653,230 SH   SOLE   1,276,580 0 376,650
Molson Coors Brewing Company C COM 60871R209 63,074 659,010 SH   SOLE   596,190 0 62,820
Morningstar, Inc. COM 617700109 22,737 289,280 SH   SOLE   261,450 0 27,830
NIC Inc. COM 62914B100 30,900 1,529,685 SH   SOLE   1,051,995 0 477,690
Navigators Group, Inc. COM 638904102 58,081 1,069,640 SH   SOLE   737,460 0 332,180
New Relic, Inc. COM 64829B100 62,385 1,682,895 SH   SOLE   1,160,795 0 522,100
Northern Trust Corporation COM 665859104 102,864 1,188,085 SH   SOLE   1,072,900 0 115,185
NuVasive, Inc. COM 670704105 142,510 1,908,280 SH   SOLE   1,479,835 0 428,445
Omnicell, Inc. COM 68213N109 69,029 1,698,140 SH   SOLE   1,176,440 0 521,700
PTC Inc. COM 69370C100 22,818 434,215 SH   SOLE   392,890 0 41,325
Palo Alto Networks, Inc. COM 697435105 74,522 661,360 SH   SOLE   597,715 0 63,645
Penumbra, Inc. COM 70975L107 32,069 384,285 SH   SOLE   266,015 0 118,270
Prosperity Bancshares, Inc.(R) COM 743606105 112,420 1,612,680 SH   SOLE   1,290,135 0 322,545
Qualys, Inc. COM 74758T303 87,324 2,304,060 SH   SOLE   1,591,590 0 712,470
RBC Bearings Incorporated COM 75524B104 29,746 306,380 SH   SOLE   211,610 0 94,770
Red Hat, Inc. COM 756577102 105,891 1,224,170 SH   SOLE   1,106,275 0 117,895
Ritchie Bros. Auctioneers Inco COM 767744105 94,362 2,868,155 SH   SOLE   2,144,040 0 724,115
Rockwell Automation, Inc. COM 773903109 104,119 668,670 SH   SOLE   604,075 0 64,595
SVB Financial Group COM 78486Q101 40,856 219,550 SH   SOLE   198,485 0 21,065
Sally Beauty Holdings, Inc. COM 79546E104 68,550 3,353,710 SH   SOLE   3,024,820 0 328,890
Snyder's-Lance, Inc. COM 833551104 169,119 4,195,470 SH   SOLE   3,277,500 0 917,970
Splunk Inc. COM 848637104 70,543 1,132,490 SH   SOLE   1,022,940 0 109,550
Standex International Corporat COM 854231107 62,052 619,590 SH   SOLE   426,995 0 192,595
Stericycle, Inc. COM 858912108 67,333 812,315 SH   SOLE   733,330 0 78,985
Steris PLC COM G84720104 85,825 1,235,600 SH   SOLE   1,114,430 0 121,170
Stock Yards Bancorp, Inc. COM 861025104 24,870 611,810 SH   SOLE   421,800 0 190,010
Synopsys, Inc. COM 871607107 42,930 595,180 SH   SOLE   537,560 0 57,620
Tableau Software, Inc. Class A COM 87336U105 63,184 1,275,155 SH   SOLE   1,152,105 0 123,050
TreeHouse Foods, Inc. COM 89469A104 221,695 2,618,650 SH   SOLE   2,085,750 0 532,900
TriMas Corporation COM 896215209 59,610 2,872,765 SH   SOLE   1,980,240 0 892,525
UMB Financial Corporation COM 902788108 57,648 765,480 SH   SOLE   528,545 0 236,935
W.W. Grainger, Inc. COM 384802104 100,691 432,595 SH   SOLE   390,805 0 41,790
WEX Inc. COM 96208T104 175,312 1,693,835 SH   SOLE   1,357,970 0 335,865
Washington Trust Bancorp, Inc. COM 940610108 37,854 767,825 SH   SOLE   530,550 0 237,275
Waters Corporation COM 941848103 64,007 409,490 SH   SOLE   369,655 0 39,835
Welbilt Inc COM 949090104 72,613 3,699,075 SH   SOLE   2,546,475 0 1,152,600
Westinghouse Air Brake Technol COM 929740108 69,028 884,975 SH   SOLE   799,130 0 85,845
Whole Foods Market, Inc. COM 966837106 79,411 2,671,955 SH   SOLE   2,413,465 0 258,490
Wolverine World Wide, Inc. COM 978097103 97,817 3,917,365 SH   SOLE   2,701,405 0 1,215,960
Woodward, Inc. COM 980745103 45,429 668,860 SH   SOLE   460,190 0 208,670
Workday, Inc. Class A COM 98138H101 67,008 804,615 SH   SOLE   726,495 0 78,120
Xactly Corp COM 98386L101 19,495 1,638,195 SH   SOLE   1,131,535 0 506,660
e.l.f. Beauty, Inc. COM 26856L103 10,933 379,625 SH   SOLE   261,335 0 118,290