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 227,487 2,280,805 SH   SOLE   2,105,180 0 175,625
ANSYS, Inc. COM 03662Q105 46,464 180,505 SH   SOLE   166,695 0 13,810
Advance Auto Parts, Inc. COM 00751Y106 184,946 1,154,755 SH   SOLE   1,065,920 0 88,835
Align Technology, Inc. COM 016255101 54,199 194,235 SH   SOLE   179,355 0 14,880
Altra Industrial Motion Corp. COM 02208R106 103,260 2,851,700 SH   SOLE   2,097,020 0 754,680
Aptargroup, Inc. COM 038336103 155,030 1,340,855 SH   SOLE   1,237,425 0 103,430
Arco Platform Ltd. Class A COM G04553106 899 20,345 SH   SOLE   20,345 0 0
Argo Group International Holdi COM G0464B107 123,122 1,872,583 SH   SOLE   1,376,918 0 495,665
Arthur J. Gallagher & Co. COM 363576109 209,585 2,200,825 SH   SOLE   2,033,130 0 167,695
AtriCure, Inc. COM 04963C209 40,626 1,249,640 SH   SOLE   925,660 0 323,980
Avanos Medical, Inc. COM 05350V106 112,366 3,334,297 SH   SOLE   2,456,082 0 878,215
B&G Foods, Inc. COM 05508R106 59,401 3,312,945 SH   SOLE   2,439,780 0 873,165
Barnes Group Inc. COM 067806109 110,173 1,778,135 SH   SOLE   1,307,445 0 470,690
Bio-Techne Corporation COM 09073M104 190,463 867,675 SH   SOLE   806,110 0 61,565
BlackLine, Inc. COM 09239B109 55,987 1,085,870 SH   SOLE   796,475 0 289,395
Blackbaud, Inc. COM 09227Q100 207,063 2,601,290 SH   SOLE   2,196,910 0 404,380
Boston Beer Company, Inc. Clas COM 100557107 35,493 93,935 SH   SOLE   68,365 0 25,570
Brown-Forman Corporation Class COM 115637209 83,613 1,236,885 SH   SOLE   1,147,885 0 89,000
Bryn Mawr Bank Corporation COM 117665109 45,146 1,094,710 SH   SOLE   813,185 0 281,525
CONMED Corporation COM 207410101 125,869 1,125,540 SH   SOLE   828,570 0 296,970
CSW Industrials, Inc. COM 126402106 26,084 338,750 SH   SOLE   251,095 0 87,655
CVB Financial Corp. COM 126600105 55,990 2,594,540 SH   SOLE   1,913,275 0 681,265
Campbell Soup Company COM 134429109 110,316 2,232,215 SH   SOLE   2,060,205 0 172,010
Cantel Medical Corp. COM 138098108 243,878 3,439,750 SH   SOLE   2,879,445 0 560,305
Cardiovascular Systems, Inc. COM 141619106 116,528 2,398,195 SH   SOLE   1,764,690 0 633,505
Catalent Inc COM 148806102 273,123 4,851,205 SH   SOLE   4,148,645 0 702,560
Chase Corporation COM 16150R104 28,817 243,225 SH   SOLE   177,685 0 65,540
Clarivate Analytics Plc COM G21810109 83,364 4,962,155 SH   SOLE   4,586,645 0 375,510
Commerce Bancshares, Inc. COM 200525103 90,794 1,336,386 SH   SOLE   1,234,988 0 101,397
Community Bank System, Inc. COM 203607106 72,308 1,019,280 SH   SOLE   748,715 0 270,565
Cooper Companies, Inc. COM 216648402 154,189 479,905 SH   SOLE   446,470 0 33,435
Cullen/Frost Bankers, Inc. COM 229899109 132,438 1,354,450 SH   SOLE   1,251,840 0 102,610
DENTSPLY SIRONA, Inc. COM 24906P109 204,550 3,614,605 SH   SOLE   3,339,045 0 275,560
Edwards Lifesciences Corporati COM 28176E108 211,804 907,900 SH   SOLE   837,545 0 70,355
Envestnet, Inc. COM 29404K106 81,827 1,175,165 SH   SOLE   870,940 0 304,225
Envista Holdings Corp. COM 29415F104 53,761 1,813,805 SH   SOLE   1,676,075 0 137,730
Everest Re Group, Ltd. COM G3223R108 277,280 1,001,590 SH   SOLE   924,560 0 77,030
Evoqua Water Technologies Corp COM 30057T105 27,114 1,430,820 SH   SOLE   1,045,860 0 384,960
Flowers Foods, Inc. COM 343498101 73,360 3,374,425 SH   SOLE   3,115,250 0 259,175
Fortive Corp. COM 34959J108 241,033 3,155,300 SH   SOLE   2,973,475 0 181,825
Freshpet Inc COM 358039105 80,526 1,362,770 SH   SOLE   1,001,855 0 360,915
German American Bancorp, Inc. COM 373865104 43,190 1,212,525 SH   SOLE   890,090 0 322,435
Guidewire Software, Inc. COM 40171V100 96,618 880,190 SH   SOLE   813,430 0 66,760
H.B. Fuller Company COM 359694106 83,174 1,612,840 SH   SOLE   1,181,255 0 431,585
Hormel Foods Corporation COM 440452100 85,425 1,893,710 SH   SOLE   1,749,670 0 144,040
Hostess Brands, Inc. Class A COM 44109J106 143,718 9,884,300 SH   SOLE   7,275,080 0 2,609,220
IDEX Corporation COM 45167R104 196,581 1,142,910 SH   SOLE   1,056,075 0 86,835
Independent Bank Corp. COM 453836108 101,781 1,222,600 SH   SOLE   899,925 0 322,675
Innospec Inc. COM 45768S105 68,751 664,645 SH   SOLE   490,110 0 174,535
Inspire Medical Systems, Inc. COM 457730109 49,199 662,965 SH   SOLE   488,375 0 174,590
Integra LifeSciences Holdings COM 457985208 353,565 6,066,660 SH   SOLE   5,085,430 0 981,230
International Flavors & Fragra COM 459506101 119,118 923,250 SH   SOLE   852,940 0 70,310
J & J Snack Foods Corp. COM 466032109 25,392 137,800 SH   SOLE   99,595 0 38,205
J.M. Smucker Company COM 832696405 195,775 1,880,100 SH   SOLE   1,736,985 0 143,115
James River Group Holdings Ltd COM G5005R107 50,615 1,228,220 SH   SOLE   903,875 0 324,345
John Bean Technologies Corpora COM 477839104 151,006 1,340,370 SH   SOLE   985,670 0 354,700
John Wiley & Sons, Inc. Class COM 968223206 211,293 4,354,755 SH   SOLE   3,576,170 0 778,585
Laboratory Corporation of Amer COM 50540R409 131,833 779,295 SH   SOLE   716,310 0 62,985
Lamb Weston Holdings, Inc. COM 513272104 196,988 2,289,755 SH   SOLE   2,116,025 0 173,730
Lancaster Colony Corporation COM 513847103 122,762 766,785 SH   SOLE   565,890 0 200,895
Lydall, Inc. COM 550819106 14,656 714,220 SH   SOLE   523,415 0 190,805
MGP Ingredients, Inc. COM 55303J106 68,141 1,406,420 SH   SOLE   1,031,070 0 375,350
MSA Safety, Inc. COM 553498106 155,176 1,228,050 SH   SOLE   904,730 0 323,320
Masimo Corporation COM 574795100 168,444 1,065,695 SH   SOLE   915,805 0 149,890
McCormick & Company, Incorpora COM 579780206 87,036 512,790 SH   SOLE   473,560 0 39,230
Medallia, Inc. COM 584021109 85,524 2,749,075 SH   SOLE   2,543,585 0 205,490
Molson Coors Beverage Company COM 60871R209 104,932 1,946,790 SH   SOLE   1,805,820 0 140,970
Morningstar, Inc. COM 617700109 46,406 306,695 SH   SOLE   283,485 0 23,210
National Vision Holdings, Inc. COM 63845R107 56,468 1,741,215 SH   SOLE   1,285,950 0 455,265
New Relic, Inc. COM 64829B100 214,254 3,260,600 SH   SOLE   2,700,605 0 559,995
Nordson Corporation COM 655663102 210,891 1,295,080 SH   SOLE   1,196,655 0 98,425
Northern Trust Corporation COM 665859104 195,823 1,843,215 SH   SOLE   1,697,895 0 145,320
Novanta Inc COM 67000B104 15,238 172,295 SH   SOLE   126,990 0 45,305
NuVasive, Inc. COM 670704105 31,001 400,840 SH   SOLE   291,920 0 108,920
Nutanix, Inc. Class A COM 67059N108 130,982 4,190,085 SH   SOLE   3,869,830 0 320,255
Okta, Inc. Class A COM 679295105 85,891 744,485 SH   SOLE   687,965 0 56,520
Palo Alto Networks, Inc. COM 697435105 201,523 871,450 SH   SOLE   805,845 0 65,605
Palomar Holdings, Inc. COM 69753M105 18,235 361,155 SH   SOLE   264,685 0 96,470
Penumbra, Inc. COM 70975L107 44,291 269,625 SH   SOLE   198,385 0 71,240
Prestige Consumer Healthcare I COM 74112D101 96,204 2,375,405 SH   SOLE   1,744,095 0 631,310
Proofpoint, Inc. COM 743424103 77,735 677,255 SH   SOLE   626,605 0 50,650
Prosperity Bancshares, Inc.(R) COM 743606105 183,250 2,549,040 SH   SOLE   2,147,355 0 401,685
Pure Storage, Inc. Class A COM 74624M102 284,255 16,613,360 SH   SOLE   13,833,310 0 2,780,050
Q2 Holdings, Inc. COM 74736L109 138,158 1,703,975 SH   SOLE   1,252,140 0 451,835
Qualys, Inc. COM 74758T303 25,956 311,335 SH   SOLE   227,770 0 83,565
Ritchie Bros. Auctioneers Inco COM 767744105 83,276 1,938,905 SH   SOLE   1,423,975 0 514,930
Rockwell Automation, Inc. COM 773903109 239,823 1,183,320 SH   SOLE   1,093,410 0 89,910
SVB Financial Group COM 78486Q101 96,520 384,480 SH   SOLE   354,690 0 29,790
SailPoint Technologies Holding COM 78781P105 85,519 3,623,675 SH   SOLE   2,683,320 0 940,355
Sally Beauty Holdings, Inc. COM 79546E104 163,522 8,960,130 SH   SOLE   7,350,745 0 1,609,385
Sensient Technologies Corporat COM 81725T100 137,849 2,085,780 SH   SOLE   1,536,580 0 549,200
ServiceNow, Inc. COM 81762P102 207,128 733,665 SH   SOLE   678,430 0 55,235
Simply Good Foods Co COM 82900L102 110,686 3,878,285 SH   SOLE   2,853,805 0 1,024,480
Splunk Inc. COM 848637104 176,156 1,176,175 SH   SOLE   1,086,690 0 89,485
Standex International Corporat COM 854231107 64,458 812,330 SH   SOLE   598,810 0 213,520
Stericycle, Inc. COM 858912108 72,005 1,128,435 SH   SOLE   1,042,560 0 85,875
Stock Yards Bancorp, Inc. COM 861025104 41,298 1,005,807 SH   SOLE   735,877 0 269,930
Synopsys, Inc. COM 871607107 83,954 603,115 SH   SOLE   556,700 0 46,415
Teladoc Health, Inc. COM 87918A105 105,646 1,261,900 SH   SOLE   926,720 0 335,180
Tenable Holdings, Inc. COM 88025T102 93,158 3,888,080 SH   SOLE   2,845,775 0 1,042,305
Texas Roadhouse, Inc. COM 882681109 34,501 612,590 SH   SOLE   448,410 0 164,180
Tractor Supply Company COM 892356106 171,108 1,831,205 SH   SOLE   1,692,095 0 139,110
Tradeweb Markets, Inc. Class A COM 892672106 21,530 464,515 SH   SOLE   429,315 0 35,200
TreeHouse Foods, Inc. COM 89469A104 179,508 3,701,200 SH   SOLE   3,074,160 0 627,040
TriMas Corporation COM 896215209 51,007 1,623,925 SH   SOLE   1,192,395 0 431,530
UMB Financial Corporation COM 902788108 120,997 1,762,780 SH   SOLE   1,292,740 0 470,040
Ulta Beauty Inc COM 90384S303 200,243 791,035 SH   SOLE   731,265 0 59,770
Veeva Systems Inc Class A COM 922475108 127,581 907,020 SH   SOLE   838,300 0 68,720
Verisk Analytics Inc COM 92345Y106 76,158 509,965 SH   SOLE   471,035 0 38,930
Washington Trust Bancorp, Inc. COM 940610108 45,993 855,050 SH   SOLE   626,605 0 228,445
Waters Corporation COM 941848103 233,317 998,575 SH   SOLE   921,605 0 76,970
Welbilt Inc COM 949090104 123,431 7,907,190 SH   SOLE   5,824,820 0 2,082,370
West Pharmaceutical Services, COM 955306105 92,607 616,025 SH   SOLE   568,405 0 47,620
Wolverine World Wide, Inc. COM 978097103 91,354 2,707,595 SH   SOLE   1,988,765 0 718,830
Workday, Inc. Class A COM 98138H101 198,891 1,209,430 SH   SOLE   1,117,875 0 91,555
Yext, Inc. COM 98585N106 113,180 7,848,795 SH   SOLE   5,754,880 0 2,093,915
e.l.f. Beauty, Inc. COM 26856L103 58,788 3,644,615 SH   SOLE   2,678,360 0 966,255
Alibaba Group Holding Ltd. Spo ADR 01609W102 310 1,460 SH   SOLE   1,460 0 0
Ambev SA Sponsored ADR ADR 02319V103 63 13,600 SH   SOLE   13,600 0 0