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 40,392 239,575 SH   SOLE   218,410 0 21,165
AMETEK, Inc. COM 031100100 99,314 1,503,850 SH   SOLE   1,371,925 0 131,925
ANSYS, Inc. COM 03662Q105 68,173 555,470 SH   SOLE   507,100 0 48,370
Aceto Corporation COM 004446100 11,269 1,003,490 SH   SOLE   687,225 0 316,265
Actuant Corporation Class A COM 00508X203 49,854 1,947,415 SH   SOLE   1,322,480 0 624,935
Advance Auto Parts, Inc. COM 00751Y106 71,078 716,510 SH   SOLE   653,760 0 62,750
Akamai Technologies, Inc. COM 00971T101 47,107 966,895 SH   SOLE   881,845 0 85,050
Align Technology, Inc. COM 016255101 83,112 446,190 SH   SOLE   406,805 0 39,385
Amplify Snack Brands Inc COM 03211L102 16,203 2,285,330 SH   SOLE   1,546,380 0 738,950
Aptargroup, Inc. COM 038336103 137,957 1,598,395 SH   SOLE   1,458,325 0 140,070
Argo Group International Holdi COM G0464B107 80,189 1,303,880 SH   SOLE   883,045 0 420,835
Arthur J. Gallagher & Co. COM 363576109 104,474 1,697,380 SH   SOLE   1,548,565 0 148,815
B&G Foods, Inc. COM 05508R106 65,190 2,046,768 SH   SOLE   1,374,910 0 671,858
Blackbaud, Inc. COM 09227Q100 208,454 2,374,195 SH   SOLE   1,817,575 0 556,620
Blue Buffalo Pet Products Inc COM 09531U102 61,120 2,155,910 SH   SOLE   1,968,620 0 187,290
Boston Beer Company, Inc. Clas COM 100557107 55,724 356,748 SH   SOLE   240,568 0 116,180
Brady Corporation Class A COM 104674106 27,581 726,780 SH   SOLE   490,765 0 236,015
Bryn Mawr Bank Corporation COM 117665109 40,416 922,730 SH   SOLE   619,395 0 303,335
Buffalo Wild Wings, Inc. COM 119848109 37,785 357,470 SH   SOLE   242,070 0 115,400
C. R. Bard, Inc. COM 067383109 77,091 240,535 SH   SOLE   218,335 0 22,200
CONMED Corporation COM 207410101 87,110 1,660,180 SH   SOLE   1,119,985 0 540,195
CVB Financial Corp. COM 126600105 58,427 2,417,320 SH   SOLE   1,634,465 0 782,855
Cantel Medical Corp. COM 138098108 44,743 475,135 SH   SOLE   322,730 0 152,405
Cardiovascular Systems, Inc. COM 141619106 52,280 1,857,210 SH   SOLE   1,256,035 0 601,175
Catalent Inc COM 148806102 109,608 2,745,700 SH   SOLE   2,209,980 0 535,720
CommVault Systems, Inc. COM 204166102 84,407 1,388,275 SH   SOLE   940,490 0 447,785
Commerce Bancshares, Inc. COM 200525103 64,834 1,122,280 SH   SOLE   1,024,210 0 98,070
Community Bank System, Inc. COM 203607106 41,996 760,105 SH   SOLE   510,495 0 249,610
Cooper Companies, Inc. COM 216648402 89,038 375,515 SH   SOLE   346,350 0 29,165
Cullen/Frost Bankers, Inc. COM 229899109 83,756 882,380 SH   SOLE   805,420 0 76,960
DENTSPLY SIRONA, Inc. COM 24906P109 106,072 1,773,475 SH   SOLE   1,618,510 0 154,965
Dover Corporation COM 260003108 65,973 721,880 SH   SOLE   654,875 0 67,005
El Pollo Loco Holdings Inc COM 268603107 17,632 1,451,170 SH   SOLE   981,395 0 469,775
Financial Engines, Inc. COM 317485100 77,827 2,239,635 SH   SOLE   1,518,240 0 721,395
First Financial Bankshares, In COM 32020R109 35,365 782,415 SH   SOLE   527,205 0 255,210
Flowers Foods, Inc. COM 343498101 112,247 5,967,395 SH   SOLE   5,441,060 0 526,335
Fortinet, Inc. COM 34959E109 46,232 1,289,965 SH   SOLE   1,178,880 0 111,085
German American Bancorp, Inc. COM 373865104 34,232 900,125 SH   SOLE   608,365 0 291,760
Gigamon Inc. COM 37518B102 42,123 999,360 SH   SOLE   677,405 0 321,955
Gorman-Rupp Company COM 383082104 17,474 536,515 SH   SOLE   354,570 0 181,945
Guidewire Software, Inc. COM 40171V100 166,135 2,133,765 SH   SOLE   1,660,320 0 473,445
H.B. Fuller Company COM 359694106 104,815 1,805,290 SH   SOLE   1,222,455 0 582,835
Healthcare Services Group, Inc COM 421906108 8,691 161,035 SH   SOLE   109,400 0 51,635
Helen of Troy Limited COM G4388N106 66,250 683,690 SH   SOLE   460,565 0 223,125
Henry Schein, Inc. COM 806407102 74,512 908,795 SH   SOLE   829,095 0 79,700
Hibbett Sports, Inc. COM 428567101 11,475 805,240 SH   SOLE   542,460 0 262,780
Hormel Foods Corporation COM 440452100 101,560 3,159,910 SH   SOLE   2,882,430 0 277,480
ICU Medical, Inc. COM 44930G107 69,725 375,170 SH   SOLE   254,175 0 120,995
IDEX Corporation COM 45167R104 73,740 607,060 SH   SOLE   550,615 0 56,445
INC Research Holdings, Inc. Cl COM 45329R109 24,887 475,850 SH   SOLE   322,550 0 153,300
Independent Bank Corp. COM 453836108 48,452 649,050 SH   SOLE   434,340 0 214,710
Innospec Inc. COM 45768S105 49,035 795,380 SH   SOLE   539,405 0 255,975
Insulet Corporation COM 45784P101 59,810 1,085,870 SH   SOLE   734,550 0 351,320
Integra LifeSciences Holdings COM 457985208 228,963 4,535,720 SH   SOLE   3,578,750 0 956,970
International Flavors & Fragra COM 459506101 26,262 183,765 SH   SOLE   167,240 0 16,525
J & J Snack Foods Corp. COM 466032109 20,834 158,675 SH   SOLE   107,640 0 51,035
J. M. Smucker Company COM 832696405 79,081 753,655 SH   SOLE   688,340 0 65,315
John Bean Technologies Corpora COM 477839104 46,587 460,800 SH   SOLE   313,305 0 147,495
John Wiley & Sons, Inc. Class COM 968223206 183,159 3,423,525 SH   SOLE   2,669,545 0 753,980
Laboratory Corporation of Amer COM 50540R409 113,940 754,720 SH   SOLE   688,215 0 66,505
LogMeIn, Inc. COM 54142L109 151,066 1,372,705 SH   SOLE   1,046,195 0 326,510
Lydall, Inc. COM 550819106 78,967 1,378,135 SH   SOLE   931,410 0 446,725
MSA Safety, Inc. COM 553498106 34,486 433,730 SH   SOLE   292,765 0 140,965
McCormick & Company, Incorpora COM 579780206 52,598 512,455 SH   SOLE   466,785 0 45,670
Medidata Solutions, Inc. COM 58471A105 132,229 1,693,940 SH   SOLE   1,308,115 0 385,825
Molson Coors Brewing Company C COM 60871R209 60,429 740,185 SH   SOLE   681,205 0 58,980
Morningstar, Inc. COM 617700109 32,122 377,955 SH   SOLE   345,275 0 32,680
NIC Inc. COM 62914B100 34,491 2,011,120 SH   SOLE   1,359,810 0 651,310
Navigators Group, Inc. COM 638904102 70,964 1,216,175 SH   SOLE   830,020 0 386,155
New Relic, Inc. COM 64829B100 89,290 1,792,980 SH   SOLE   1,216,885 0 576,095
Nordson Corporation COM 655663102 114,564 966,785 SH   SOLE   881,945 0 84,840
Northern Trust Corporation COM 665859104 119,628 1,301,295 SH   SOLE   1,187,010 0 114,285
NuVasive, Inc. COM 670704105 149,453 2,694,792 SH   SOLE   2,112,075 0 582,717
Okta, Inc. Class A COM 679295105 16,551 586,710 SH   SOLE   393,415 0 193,295
Omnicell, Inc. COM 68213N109 75,163 1,472,345 SH   SOLE   993,790 0 478,555
Palo Alto Networks, Inc. COM 697435105 111,376 772,910 SH   SOLE   705,555 0 67,355
Penumbra, Inc. COM 70975L107 40,543 448,985 SH   SOLE   293,965 0 155,020
Prestige Brands Holdings, Inc. COM 74112D101 31,719 633,250 SH   SOLE   428,115 0 205,135
Prosperity Bancshares, Inc.(R) COM 743606105 121,866 1,854,035 SH   SOLE   1,504,945 0 349,090
Pure Storage, Inc. Class A COM 74624M102 23,355 1,460,625 SH   SOLE   983,900 0 476,725
Q2 Holdings, Inc. COM 74736L109 23,880 573,360 SH   SOLE   385,275 0 188,085
Qualys, Inc. COM 74758T303 114,363 2,207,775 SH   SOLE   1,496,560 0 711,215
Red Hat, Inc. COM 756577102 132,214 1,192,620 SH   SOLE   1,089,015 0 103,605
Ritchie Bros. Auctioneers Inco COM 767744105 178,059 5,631,215 SH   SOLE   4,388,705 0 1,242,510
Rockwell Automation, Inc. COM 773903109 69,720 391,225 SH   SOLE   355,100 0 36,125
STERIS Plc COM G84720104 95,851 1,084,290 SH   SOLE   987,240 0 97,050
SVB Financial Group COM 78486Q101 32,259 172,425 SH   SOLE   157,400 0 15,025
Sally Beauty Holdings, Inc. COM 79546E104 72,296 3,692,320 SH   SOLE   3,364,890 0 327,430
Snyder's-Lance, Inc. COM 833551104 226,104 5,928,275 SH   SOLE   4,654,130 0 1,274,145
Splunk Inc. COM 848637104 102,909 1,549,140 SH   SOLE   1,414,080 0 135,060
Standex International Corporat COM 854231107 82,546 777,270 SH   SOLE   525,055 0 252,215
Stericycle, Inc. COM 858912108 63,513 886,808 SH   SOLE   808,423 0 78,385
Stock Yards Bancorp, Inc. COM 861025104 29,874 786,156 SH   SOLE   529,441 0 256,715
Supernus Pharmaceuticals, Inc. COM 868459108 49,199 1,229,975 SH   SOLE   830,680 0 399,295
Synopsys, Inc. COM 871607107 52,709 654,522 SH   SOLE   596,982 0 57,540
Tableau Software, Inc. Class A COM 87336U105 103,835 1,386,500 SH   SOLE   1,266,575 0 119,925
Tractor Supply Company COM 892356106 38,570 609,420 SH   SOLE   556,580 0 52,840
TreeHouse Foods, Inc. COM 89469A104 199,954 2,952,225 SH   SOLE   2,350,005 0 602,220
TriMas Corporation COM 896215209 60,918 2,256,220 SH   SOLE   1,526,440 0 729,780
UMB Financial Corporation COM 902788108 63,447 851,750 SH   SOLE   573,870 0 277,880
Verisk Analytics Inc COM 92345Y106 83,321 1,001,575 SH   SOLE   914,055 0 87,520
WEX Inc. COM 96208T104 141,310 1,259,225 SH   SOLE   981,655 0 277,570
Washington Trust Bancorp, Inc. COM 940610108 48,382 845,095 SH   SOLE   570,270 0 274,825
Waters Corporation COM 941848103 82,472 459,405 SH   SOLE   418,930 0 40,475
Welbilt Inc COM 949090104 92,542 4,014,825 SH   SOLE   2,716,820 0 1,298,005
Westinghouse Air Brake Technol COM 929740108 110,050 1,452,810 SH   SOLE   1,325,395 0 127,415
Wolverine World Wide, Inc. COM 978097103 117,568 4,075,150 SH   SOLE   2,759,075 0 1,316,075
Woodward, Inc. COM 980745103 83,528 1,076,250 SH   SOLE   725,050 0 351,200
Workday, Inc. Class A COM 98138H101 92,313 875,915 SH   SOLE   799,065 0 76,850
e.l.f. Beauty, Inc. COM 26856L103 55,766 2,472,980 SH   SOLE   1,661,405 0 811,575
Ambev SA Sponsored ADR ADR 02319V103 74 11,200 SH   SOLE   11,200 0 0
Talend SA Sponsored ADR ADR 874224207 22,455 548,480 SH   SOLE   382,895 0 165,585