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
AMETEK, Inc. COM 031100100 110,125 1,519,600 SH   SOLE   1,387,075 0 132,525
ANSYS, Inc. COM 03662Q105 82,863 561,440 SH   SOLE   512,960 0 48,480
Actuant Corporation Class A COM 00508X203 51,793 2,047,165 SH   SOLE   1,411,315 0 635,850
Advance Auto Parts, Inc. COM 00751Y106 72,140 723,640 SH   SOLE   660,180 0 63,460
Akamai Technologies, Inc. COM 00971T101 55,508 853,445 SH   SOLE   779,715 0 73,730
Amplify Snack Brands Inc COM 03211L102 25,076 2,087,915 SH   SOLE   1,455,705 0 632,210
Aptargroup, Inc. COM 038336103 149,057 1,727,600 SH   SOLE   1,578,050 0 149,550
Argo Group International Holdi COM G0464B107 83,474 1,354,005 SH   SOLE   927,595 0 426,410
Arthur J. Gallagher & Co. COM 363576109 108,312 1,711,635 SH   SOLE   1,563,080 0 148,555
B&G Foods, Inc. COM 05508R106 83,890 2,386,630 SH   SOLE   1,655,070 0 731,560
Becton, Dickinson and Company COM 075887109 26,135 122,094 SH   SOLE   110,823 0 11,271
Blackbaud, Inc. COM 09227Q100 201,491 2,132,405 SH   SOLE   1,666,705 0 465,700
Blue Buffalo Pet Products Inc COM 09531U102 65,380 1,993,910 SH   SOLE   1,821,320 0 172,590
Boston Beer Company, Inc. Clas COM 100557107 51,079 267,290 SH   SOLE   183,780 0 83,510
Brady Corporation Class A COM 104674106 21,480 566,755 SH   SOLE   390,965 0 175,790
Bryn Mawr Bank Corporation COM 117665109 40,443 915,000 SH   SOLE   631,665 0 283,335
Buffalo Wild Wings, Inc. COM 119848109 31,514 201,560 SH   SOLE   182,320 0 19,240
CONMED Corporation COM 207410101 75,307 1,477,470 SH   SOLE   1,021,900 0 455,570
CVB Financial Corp. COM 126600105 56,767 2,409,480 SH   SOLE   1,641,625 0 767,855
Cantel Medical Corp. COM 138098108 28,821 280,165 SH   SOLE   194,825 0 85,340
Cardiovascular Systems, Inc. COM 141619106 53,382 2,253,355 SH   SOLE   1,559,210 0 694,145
Catalent Inc COM 148806102 125,036 3,043,715 SH   SOLE   2,482,180 0 561,535
CommVault Systems, Inc. COM 204166102 78,562 1,496,415 SH   SOLE   1,032,430 0 463,985
Commerce Bancshares, Inc. COM 200525103 66,615 1,192,969 SH   SOLE   1,089,584 0 103,385
Community Bank System, Inc. COM 203607106 42,205 785,200 SH   SOLE   536,830 0 248,370
Cooper Companies, Inc. COM 216648402 85,179 390,945 SH   SOLE   360,900 0 30,045
Cullen/Frost Bankers, Inc. COM 229899109 84,800 895,935 SH   SOLE   818,255 0 77,680
DENTSPLY SIRONA, Inc. COM 24906P109 118,065 1,793,485 SH   SOLE   1,638,320 0 155,165
Despegar.com, Corp. COM G27358103 1,033 37,600 SH   SOLE   37,600 0 0
Dover Corporation COM 260003108 53,607 530,815 SH   SOLE   484,710 0 46,105
Edwards Lifesciences Corporati COM 28176E108 56,393 500,340 SH   SOLE   454,400 0 45,940
El Pollo Loco Holdings Inc COM 268603107 14,211 1,435,505 SH   SOLE   991,230 0 444,275
Everest Re Group, Ltd. COM G3223R108 79,987 361,505 SH   SOLE   330,165 0 31,340
Financial Engines, Inc. COM 317485100 77,387 2,554,025 SH   SOLE   1,767,865 0 786,160
First Financial Bankshares, In COM 32020R109 34,760 771,585 SH   SOLE   526,375 0 245,210
Flowers Foods, Inc. COM 343498101 116,914 6,054,595 SH   SOLE   5,523,960 0 530,635
Fortinet, Inc. COM 34959E109 57,176 1,308,670 SH   SOLE   1,196,975 0 111,695
German American Bancorp, Inc. COM 373865104 31,972 904,960 SH   SOLE   613,200 0 291,760
Gorman-Rupp Company COM 383082104 8,083 258,975 SH   SOLE   175,530 0 83,445
Guidewire Software, Inc. COM 40171V100 116,786 1,572,665 SH   SOLE   1,267,255 0 305,410
H.B. Fuller Company COM 359694106 96,321 1,788,020 SH   SOLE   1,235,185 0 552,835
Healthcare Services Group, Inc COM 421906108 14,412 273,375 SH   SOLE   193,385 0 79,990
Helen of Troy Limited COM G4388N106 64,405 668,445 SH   SOLE   460,320 0 208,125
Henry Schein, Inc. COM 806407102 64,175 918,355 SH   SOLE   838,055 0 80,300
Hibbett Sports, Inc. COM 428567101 15,432 756,450 SH   SOLE   546,070 0 210,380
Hormel Foods Corporation COM 440452100 134,069 3,684,235 SH   SOLE   3,362,385 0 321,850
ICU Medical, Inc. COM 44930G107 72,823 337,145 SH   SOLE   232,880 0 104,265
IDEX Corporation COM 45167R104 70,222 532,105 SH   SOLE   486,040 0 46,065
INC Research Holdings, Inc. Cl COM 45329R109 25,855 592,995 SH   SOLE   400,990 0 192,005
Independent Bank Corp. COM 453836108 46,392 664,165 SH   SOLE   449,455 0 214,710
Innospec Inc. COM 45768S105 55,519 786,395 SH   SOLE   545,420 0 240,975
Insulet Corporation COM 45784P101 74,252 1,076,110 SH   SOLE   744,790 0 331,320
Integra LifeSciences Holdings COM 457985208 222,361 4,646,075 SH   SOLE   3,712,810 0 933,265
International Flavors & Fragra COM 459506101 28,278 185,295 SH   SOLE   168,770 0 16,525
J & J Snack Foods Corp. COM 466032109 23,262 153,210 SH   SOLE   107,175 0 46,035
J. M. Smucker Company COM 832696405 94,793 762,985 SH   SOLE   697,205 0 65,780
John Bean Technologies Corpora COM 477839104 46,920 423,470 SH   SOLE   293,105 0 130,365
John Wiley & Sons, Inc. Class COM 968223206 224,651 3,416,750 SH   SOLE   2,697,210 0 719,540
Laboratory Corporation of Amer COM 50540R409 121,768 763,390 SH   SOLE   697,375 0 66,015
LogMeIn, Inc. COM 54142L109 156,231 1,364,460 SH   SOLE   1,057,160 0 307,300
Lydall, Inc. COM 550819106 69,188 1,363,315 SH   SOLE   941,590 0 421,725
MSA Safety, Inc. COM 553498106 32,815 423,305 SH   SOLE   292,340 0 130,965
Masimo Corporation COM 574795100 16,841 198,600 SH   SOLE   161,770 0 36,830
McCormick & Company, Incorpora COM 579780206 72,029 706,795 SH   SOLE   645,595 0 61,200
Medidata Solutions, Inc. COM 58471A105 117,677 1,856,985 SH   SOLE   1,458,510 0 398,475
Molson Coors Brewing Company C COM 60871R209 109,110 1,329,475 SH   SOLE   1,222,675 0 106,800
Morningstar, Inc. COM 617700109 37,201 383,630 SH   SOLE   349,700 0 33,930
NIC Inc. COM 62914B100 32,816 1,976,840 SH   SOLE   1,370,530 0 606,310
Navigators Group, Inc. COM 638904102 70,578 1,449,250 SH   SOLE   1,004,000 0 445,250
New Relic, Inc. COM 64829B100 92,243 1,596,725 SH   SOLE   1,106,030 0 490,695
Nordson Corporation COM 655663102 142,643 974,340 SH   SOLE   889,610 0 84,730
Northern Trust Corporation COM 665859104 131,205 1,313,490 SH   SOLE   1,199,090 0 114,400
NuVasive, Inc. COM 670704105 167,647 2,866,247 SH   SOLE   2,271,490 0 594,757
Okta, Inc. Class A COM 679295105 73,219 2,859,000 SH   SOLE   2,255,740 0 603,260
Omnicell, Inc. COM 68213N109 70,764 1,459,055 SH   SOLE   1,010,500 0 448,555
Palo Alto Networks, Inc. COM 697435105 112,957 779,335 SH   SOLE   711,860 0 67,475
Penumbra, Inc. COM 70975L107 37,295 396,330 SH   SOLE   273,040 0 123,290
Prestige Brands Holdings, Inc. COM 74112D101 50,033 1,126,615 SH   SOLE   780,240 0 346,375
Prosperity Bancshares, Inc.(R) COM 743606105 132,583 1,892,150 SH   SOLE   1,536,800 0 355,350
Pure Storage, Inc. Class A COM 74624M102 24,727 1,559,095 SH   SOLE   1,068,370 0 490,725
Q2 Holdings, Inc. COM 74736L109 25,075 680,460 SH   SOLE   461,585 0 218,875
Qualys, Inc. COM 74758T303 100,248 1,689,100 SH   SOLE   1,168,195 0 520,905
Red Hat, Inc. COM 756577102 144,601 1,204,005 SH   SOLE   1,100,210 0 103,795
Ritchie Bros. Auctioneers Inco COM 767744105 182,591 6,100,585 SH   SOLE   4,807,720 0 1,292,865
STERIS Plc COM G84720104 81,219 928,535 SH   SOLE   847,885 0 80,650
SVB Financial Group COM 78486Q101 40,325 172,500 SH   SOLE   157,455 0 15,045
Sally Beauty Holdings, Inc. COM 79546E104 69,884 3,725,135 SH   SOLE   3,398,065 0 327,070
Sensient Technologies Corporat COM 81725T100 20,522 280,550 SH   SOLE   195,205 0 85,345
Simply Good Foods Co COM 82900L102 17,342 1,216,095 SH   SOLE   772,745 0 443,350
Snyder's-Lance, Inc. COM 833551104 232,521 4,642,990 SH   SOLE   3,716,860 0 926,130
Splunk Inc. COM 848637104 129,573 1,564,140 SH   SOLE   1,429,190 0 134,950
Standex International Corporat COM 854231107 70,867 695,800 SH   SOLE   477,155 0 218,645
Stericycle, Inc. COM 858912108 72,314 1,063,598 SH   SOLE   971,563 0 92,035
Stock Yards Bancorp, Inc. COM 861025104 33,435 886,876 SH   SOLE   603,326 0 283,550
Supernus Pharmaceuticals, Inc. COM 868459108 48,329 1,212,785 SH   SOLE   838,490 0 374,295
Synopsys, Inc. COM 871607107 56,310 660,602 SH   SOLE   602,977 0 57,625
Tableau Software, Inc. Class A COM 87336U105 73,870 1,067,490 SH   SOLE   975,445 0 92,045
Teladoc Inc COM 87918A105 29,290 840,455 SH   SOLE   577,565 0 262,890
Tractor Supply Company COM 892356106 69,673 932,075 SH   SOLE   851,575 0 80,500
TreeHouse Foods, Inc. COM 89469A104 155,066 3,135,190 SH   SOLE   2,542,490 0 592,700
TriMas Corporation COM 896215209 56,535 2,113,450 SH   SOLE   1,463,810 0 649,640
UMB Financial Corporation COM 902788108 77,239 1,073,955 SH   SOLE   731,940 0 342,015
Ulta Beauty Inc COM 90384S303 57,681 257,895 SH   SOLE   234,985 0 22,910
Veeva Systems Inc Class A COM 922475108 24,154 436,940 SH   SOLE   399,380 0 37,560
Verisk Analytics Inc COM 92345Y106 97,203 1,012,535 SH   SOLE   925,045 0 87,490
WEX Inc. COM 96208T104 170,581 1,207,825 SH   SOLE   954,085 0 253,740
Washington Trust Bancorp, Inc. COM 940610108 45,874 861,490 SH   SOLE   590,960 0 270,530
Waters Corporation COM 941848103 103,555 536,025 SH   SOLE   489,500 0 46,525
Welbilt Inc COM 949090104 101,299 4,308,770 SH   SOLE   2,958,180 0 1,350,590
Westinghouse Air Brake Technol COM 929740108 120,088 1,474,740 SH   SOLE   1,346,905 0 127,835
Wolverine World Wide, Inc. COM 978097103 115,141 3,611,710 SH   SOLE   2,501,370 0 1,110,340
Woodward, Inc. COM 980745103 75,377 984,805 SH   SOLE   681,255 0 303,550
Workday, Inc. Class A COM 98138H101 90,066 885,260 SH   SOLE   808,400 0 76,860
e.l.f. Beauty, Inc. COM 26856L103 61,352 2,749,980 SH   SOLE   1,894,725 0 855,255
Ambev SA Sponsored ADR ADR 02319V103 72 11,200 SH   SOLE   11,200 0 0
Talend SA Sponsored ADR ADR 874224207 20,363 543,300 SH   SOLE   382,715 0 160,585