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 100,712 1,325,675 SH   SOLE   1,210,900 0 114,775
ANSYS, Inc. COM 03662Q105 78,093 498,390 SH   SOLE   455,770 0 42,620
Actuant Corporation Class A COM 00508X203 45,926 1,975,305 SH   SOLE   1,382,235 0 593,070
Advance Auto Parts, Inc. COM 00751Y106 85,878 724,400 SH   SOLE   661,120 0 63,280
Akamai Technologies, Inc. COM 00971T101 40,075 564,595 SH   SOLE   516,280 0 48,315
Aptargroup, Inc. COM 038336103 156,275 1,739,675 SH   SOLE   1,590,550 0 149,125
Argo Group International Holdi COM G0464B107 89,379 1,557,128 SH   SOLE   1,094,726 0 462,402
Arthur J. Gallagher & Co. COM 363576109 117,749 1,713,210 SH   SOLE   1,565,165 0 148,045
B&G Foods, Inc. COM 05508R106 59,598 2,514,685 SH   SOLE   1,764,110 0 750,575
Blackbaud, Inc. COM 09227Q100 190,499 1,871,125 SH   SOLE   1,496,975 0 374,150
Blue Buffalo Pet Products Inc COM 09531U102 78,974 1,983,785 SH   SOLE   1,811,765 0 172,020
Boston Beer Company, Inc. Clas COM 100557107 49,279 260,665 SH   SOLE   180,855 0 79,810
Brady Corporation Class A COM 104674106 20,392 548,900 SH   SOLE   382,350 0 166,550
Bryn Mawr Bank Corporation COM 117665109 39,329 894,860 SH   SOLE   625,510 0 269,350
CONMED Corporation COM 207410101 83,729 1,322,105 SH   SOLE   927,220 0 394,885
CVB Financial Corp. COM 126600105 54,565 2,410,095 SH   SOLE   1,690,325 0 719,770
Campbell Soup Company COM 134429109 56,667 1,308,405 SH   SOLE   1,195,685 0 112,720
Cantel Medical Corp. COM 138098108 22,580 202,675 SH   SOLE   142,565 0 60,110
Cardiovascular Systems, Inc. COM 141619106 56,806 2,590,330 SH   SOLE   1,826,130 0 764,200
Catalent Inc COM 148806102 148,941 3,627,390 SH   SOLE   2,998,125 0 629,265
CommVault Systems, Inc. COM 204166102 83,481 1,459,450 SH   SOLE   1,023,200 0 436,250
Commerce Bancshares, Inc. COM 200525103 71,434 1,192,352 SH   SOLE   1,089,272 0 103,080
Community Bank System, Inc. COM 203607106 55,760 1,041,080 SH   SOLE   727,980 0 313,100
Cooper Companies, Inc. COM 216648402 90,274 394,535 SH   SOLE   364,790 0 29,745
Cullen/Frost Bankers, Inc. COM 229899109 94,551 891,400 SH   SOLE   814,730 0 76,670
DENTSPLY SIRONA, Inc. COM 24906P109 111,607 2,218,395 SH   SOLE   2,026,010 0 192,385
Despegar.com, Corp. COM G27358103 1,365 43,670 SH   SOLE   43,670 0 0
Dover Corporation COM 260003108 39,194 399,045 SH   SOLE   364,480 0 34,565
Edwards Lifesciences Corporati COM 28176E108 78,693 564,025 SH   SOLE   514,815 0 49,210
El Pollo Loco Holdings Inc COM 268603107 13,623 1,433,995 SH   SOLE   988,005 0 445,990
Everest Re Group, Ltd. COM G3223R108 114,194 444,645 SH   SOLE   406,645 0 38,000
Financial Engines, Inc. COM 317485100 95,157 2,718,785 SH   SOLE   1,908,995 0 809,790
First Financial Bankshares, In COM 32020R109 34,592 747,135 SH   SOLE   516,105 0 231,030
Flowers Foods, Inc. COM 343498101 130,198 5,956,015 SH   SOLE   5,442,670 0 513,345
Gates Industrial Corporation p COM G39108108 74,919 4,278,620 SH   SOLE   3,912,430 0 366,190
German American Bancorp, Inc. COM 373865104 32,007 959,730 SH   SOLE   672,390 0 287,340
Gorman-Rupp Company COM 383082104 2,790 95,390 SH   SOLE   67,020 0 28,370
Guidewire Software, Inc. COM 40171V100 119,767 1,481,720 SH   SOLE   1,210,770 0 270,950
H.B. Fuller Company COM 359694106 94,295 1,896,135 SH   SOLE   1,333,415 0 562,720
Halyard Health Inc COM 40650V100 34,635 751,635 SH   SOLE   528,750 0 222,885
HealthEquity Inc COM 42226A107 25,208 416,380 SH   SOLE   294,770 0 121,610
Healthcare Services Group, Inc COM 421906108 33,091 761,065 SH   SOLE   533,685 0 227,380
Helen of Troy Limited COM G4388N106 74,492 856,225 SH   SOLE   601,845 0 254,380
Henry Schein, Inc. COM 806407102 61,657 917,385 SH   SOLE   837,325 0 80,060
Hibbett Sports, Inc. COM 428567101 17,948 749,395 SH   SOLE   538,055 0 211,340
Hormel Foods Corporation COM 440452100 144,236 4,202,680 SH   SOLE   3,842,860 0 359,820
Hostess Brands, Inc. Class A COM 44109J106 5,113 345,700 SH   SOLE   242,600 0 103,100
ICU Medical, Inc. COM 44930G107 57,629 228,325 SH   SOLE   161,535 0 66,790
IDEX Corporation COM 45167R104 56,102 393,670 SH   SOLE   359,325 0 34,345
Independent Bank Corp. COM 453836108 48,747 681,300 SH   SOLE   478,765 0 202,535
Innospec Inc. COM 45768S105 56,811 828,145 SH   SOLE   580,825 0 247,320
Insulet Corporation COM 45784P101 90,249 1,041,175 SH   SOLE   728,675 0 312,500
Integra LifeSciences Holdings COM 457985208 276,567 4,997,595 SH   SOLE   4,070,875 0 926,720
International Flavors & Fragra COM 459506101 41,094 300,155 SH   SOLE   274,630 0 25,525
J & J Snack Foods Corp. COM 466032109 22,276 163,125 SH   SOLE   115,995 0 47,130
J. M. Smucker Company COM 832696405 97,774 788,435 SH   SOLE   720,210 0 68,225
James River Group Holdings Ltd COM G5005R107 4,054 114,300 SH   SOLE   79,895 0 34,405
John Bean Technologies Corpora COM 477839104 36,658 323,265 SH   SOLE   228,715 0 94,550
John Wiley & Sons, Inc. Class COM 968223206 211,934 3,327,065 SH   SOLE   2,655,190 0 671,875
Laboratory Corporation of Amer COM 50540R409 124,100 767,235 SH   SOLE   700,995 0 66,240
LogMeIn, Inc. COM 54142L109 155,876 1,348,990 SH   SOLE   1,054,990 0 294,000
Lydall, Inc. COM 550819106 63,707 1,320,360 SH   SOLE   927,155 0 393,205
MINDBODY, Inc. Class A COM 60255W105 16,068 413,055 SH   SOLE   291,285 0 121,770
MSA Safety, Inc. COM 553498106 53,088 637,765 SH   SOLE   446,765 0 191,000
Masimo Corporation COM 574795100 60,930 692,780 SH   SOLE   567,295 0 125,485
McCormick & Company, Incorpora COM 579780206 86,509 813,130 SH   SOLE   743,530 0 69,600
Medidata Solutions, Inc. COM 58471A105 134,955 2,148,615 SH   SOLE   1,718,915 0 429,700
Molson Coors Brewing Company C COM 60871R209 112,149 1,488,775 SH   SOLE   1,371,225 0 117,550
Morningstar, Inc. COM 617700109 40,315 422,055 SH   SOLE   385,075 0 36,980
NIC Inc. COM 62914B100 9,328 701,355 SH   SOLE   493,000 0 208,355
Navigators Group, Inc. COM 638904102 82,173 1,425,375 SH   SOLE   1,002,690 0 422,685
New Relic, Inc. COM 64829B100 105,588 1,424,550 SH   SOLE   1,002,370 0 422,180
Nordson Corporation COM 655663102 128,674 943,775 SH   SOLE   862,165 0 81,610
Northern Trust Corporation COM 665859104 138,143 1,339,505 SH   SOLE   1,223,690 0 115,815
NuVasive, Inc. COM 670704105 163,945 3,140,110 SH   SOLE   2,501,450 0 638,660
Okta, Inc. Class A COM 679295105 120,059 3,012,770 SH   SOLE   2,379,610 0 633,160
Omnicell, Inc. COM 68213N109 65,336 1,505,445 SH   SOLE   1,054,290 0 451,155
Palo Alto Networks, Inc. COM 697435105 140,550 774,295 SH   SOLE   707,910 0 66,385
Papa John's International, Inc COM 698813102 41,465 723,650 SH   SOLE   509,085 0 214,565
Penumbra, Inc. COM 70975L107 45,590 394,210 SH   SOLE   274,870 0 119,340
Prestige Brands Holdings, Inc. COM 74112D101 59,821 1,774,055 SH   SOLE   1,248,040 0 526,015
Prosperity Bancshares, Inc.(R) COM 743606105 146,871 2,022,175 SH   SOLE   1,676,080 0 346,095
Pure Storage, Inc. Class A COM 74624M102 59,664 2,990,675 SH   SOLE   2,099,935 0 890,740
Q2 Holdings, Inc. COM 74736L109 37,237 817,490 SH   SOLE   576,255 0 241,235
Qualys, Inc. COM 74758T303 98,567 1,354,870 SH   SOLE   952,775 0 402,095
Red Hat, Inc. COM 756577102 160,473 1,073,325 SH   SOLE   981,650 0 91,675
Ritchie Bros. Auctioneers Inco COM 767744105 197,975 6,290,910 SH   SOLE   5,038,230 0 1,252,680
STERIS Plc COM G84720104 73,620 788,560 SH   SOLE   720,785 0 67,775
SVB Financial Group COM 78486Q101 31,926 133,020 SH   SOLE   121,495 0 11,525
Sally Beauty Holdings, Inc. COM 79546E104 63,508 3,860,690 SH   SOLE   3,525,620 0 335,070
Sensient Technologies Corporat COM 81725T100 65,917 933,930 SH   SOLE   654,950 0 278,980
Simply Good Foods Co COM 82900L102 30,088 2,191,425 SH   SOLE   1,537,570 0 653,855
Splunk Inc. COM 848637104 151,531 1,540,110 SH   SOLE   1,408,455 0 131,655
Standex International Corporat COM 854231107 64,287 674,220 SH   SOLE   468,810 0 205,410
Stericycle, Inc. COM 858912108 76,539 1,307,693 SH   SOLE   1,195,418 0 112,275
Stock Yards Bancorp, Inc. COM 861025104 29,705 846,286 SH   SOLE   591,786 0 254,500
Supernus Pharmaceuticals, Inc. COM 868459108 58,402 1,275,155 SH   SOLE   894,345 0 380,810
Syneos Health, Inc. Class A COM 87166B102 19,867 559,645 SH   SOLE   392,010 0 167,635
Synopsys, Inc. COM 871607107 57,127 686,287 SH   SOLE   626,932 0 59,355
Tableau Software, Inc. Class A COM 87336U105 79,181 979,720 SH   SOLE   895,895 0 83,825
Teladoc Inc COM 87918A105 36,637 909,110 SH   SOLE   638,375 0 270,735
Tractor Supply Company COM 892356106 81,429 1,292,115 SH   SOLE   1,181,745 0 110,370
TreeHouse Foods, Inc. COM 89469A104 119,073 3,111,400 SH   SOLE   2,531,550 0 579,850
TriMas Corporation COM 896215209 47,735 1,818,480 SH   SOLE   1,281,345 0 537,135
UMB Financial Corporation COM 902788108 80,446 1,111,290 SH   SOLE   780,955 0 330,335
Ulta Beauty Inc COM 90384S303 85,645 419,275 SH   SOLE   383,425 0 35,850
Valvoline Inc. COM 92047W101 41,077 1,856,175 SH   SOLE   1,697,525 0 158,650
Veeva Systems Inc Class A COM 922475108 81,032 1,109,730 SH   SOLE   1,014,880 0 94,850
Verisk Analytics Inc COM 92345Y106 104,787 1,007,565 SH   SOLE   920,345 0 87,220
WEX Inc. COM 96208T104 56,979 363,805 SH   SOLE   323,520 0 40,285
Washington Trust Bancorp, Inc. COM 940610108 44,503 827,965 SH   SOLE   581,505 0 246,460
Waters Corporation COM 941848103 117,486 591,420 SH   SOLE   540,350 0 51,070
Welbilt Inc COM 949090104 95,264 4,897,870 SH   SOLE   3,444,175 0 1,453,695
Westinghouse Air Brake Technol COM 929740108 124,017 1,523,545 SH   SOLE   1,392,670 0 130,875
Wolverine World Wide, Inc. COM 978097103 74,954 2,593,570 SH   SOLE   1,817,915 0 775,655
Woodward, Inc. COM 980745103 87,973 1,227,650 SH   SOLE   865,475 0 362,175
Workday, Inc. Class A COM 98138H101 108,374 852,600 SH   SOLE   779,490 0 73,110
Yext, Inc. COM 98585N106 6,298 497,855 SH   SOLE   348,070 0 149,785
e.l.f. Beauty, Inc. COM 26856L103 51,383 2,652,700 SH   SOLE   1,859,460 0 793,240
Alibaba Group Holding Ltd. Spo ADR 01609W102 202 1,100 SH   SOLE   1,100 0 0
Ambev SA Sponsored ADR ADR 02319V103 81 11,200 SH   SOLE   11,200 0 0
Lexinfintech Holdings Ltd. Sp ADR 528877103 1,211 83,400 SH   SOLE   83,400 0 0
Talend SA Sponsored ADR ADR 874224207 43,735 908,875 SH   SOLE   659,675 0 249,200