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
Estimated average burden
hours per response: 23.8
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
ADVANCE AUTO PARTS INC COM 00751Y106 206,449 1,449,275 SH   SOLE   1,359,945 0 89,330
ALBANY INTL CORP CL A 012348108 11,305 192,550 SH   SOLE   145,625 0 46,925
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 356 1,650 SH   SOLE   1,650 0 0
ALIGN TECHNOLOGY INC COM 016255101 144,903 527,996 SH   SOLE   495,265 0 32,731
ALTRA INDL MOTION CORP COM 02208R106 82,745 2,597,155 SH   SOLE   1,956,360 0 640,795
AMETEK INC COM 031100100 265,194 2,967,370 SH   SOLE   2,784,380 0 182,990
APTARGROUP INC COM 038336103 212,358 1,896,390 SH   SOLE   1,779,000 0 117,390
ATRICURE INC COM 04963C209 74,583 1,659,235 SH   SOLE   1,251,075 0 408,160
AVANOS MED INC COM 05350V106 98,564 3,353,655 SH   SOLE   2,525,890 0 827,765
B & G FOODS INC NEW COM 05508R106 73,603 3,019,005 SH   SOLE   2,273,135 0 745,870
BARNES GROUP INC COM 067806109 75,164 1,900,010 SH   SOLE   1,433,460 0 466,550
BIO RAD LABS INC CL A 090572207 91,269 202,150 SH   SOLE   189,725 0 12,425
BIO-TECHNE CORP COM 09073M104 239,179 905,740 SH   SOLE   853,795 0 51,945
BLACKBAUD INC COM 09227Q100 67,420 1,181,150 SH   SOLE   889,905 0 291,245
BLACKLINE INC COM 09239B109 55,825 673,325 SH   SOLE   504,685 0 168,640
BOSTON BEER INC CL A 100557107 76,336 142,245 SH   SOLE   106,075 0 36,170
BROWN FORMAN CORP CL B 115637209 60,245 946,360 SH   SOLE   892,670 0 53,690
BRYN MAWR BK CORP COM 117665109 29,123 1,052,890 SH   SOLE   800,365 0 252,525
CSW INDUSTRIALS INC COM 126402106 32,561 471,150 SH   SOLE   360,350 0 110,800
CVB FINL CORP COM 126600105 46,767 2,495,570 SH   SOLE   1,881,945 0 613,625
CAMPBELL SOUP CO COM 134429109 65,535 1,320,475 SH   SOLE   1,239,145 0 81,330
CANTEL MED CORP COM 138098108 162,131 3,665,645 SH   SOLE   3,132,360 0 533,285
CARDIOVASCULAR SYS INC DEL COM 141619106 92,668 2,937,190 SH   SOLE   2,215,010 0 722,180
CATALENT INC COM 148806102 359,581 4,905,605 SH   SOLE   4,285,770 0 619,835
CHASE CORP COM 16150R104 27,242 265,775 SH   SOLE   201,435 0 64,340
CHURCH & DWIGHT INC COM 171340102 46,409 600,369 SH   SOLE   564,879 0 35,490
COMMERCE BANCSHARES INC COM 200525103 59,065 993,186 SH   SOLE   931,596 0 61,590
COMMUNITY BK SYS INC COM 203607106 56,989 999,455 SH   SOLE   754,480 0 244,975
CONMED CORP COM 207410101 105,477 1,465,159 SH   SOLE   1,104,364 0 360,795
COOPER COS INC COM NEW 216648402 150,857 531,860 SH   SOLE   501,830 0 30,030
CULLEN FROST BANKERS INC COM 229899109 124,472 1,666,075 SH   SOLE   1,563,170 0 102,905
DENTSPLY SIRONA INC COM 24906P109 176,717 4,010,820 SH   SOLE   3,762,200 0 248,620
DUNKIN BRANDS GROUP INC COM 265504100 117,807 1,806,019 SH   SOLE   1,694,974 0 111,045
E L F BEAUTY INC COM 26856L103 67,906 3,560,883 SH   SOLE   2,686,108 0 874,775
EDWARDS LIFESCIENCES CORP COM 28176E108 196,983 2,850,282 SH   SOLE   2,674,127 0 176,155
ENVESTNET INC COM 29404K106 78,479 1,067,165 SH   SOLE   804,805 0 262,360
ENVISTA HOLDINGS CORPORATION COM 29415F104 70,285 3,332,624 SH   SOLE   2,979,439 0 353,185
EVOQUA WATER TECHNOLOGIES CO COM 30057T105 31,229 1,678,970 SH   SOLE   1,270,640 0 408,330
FORTIVE CORP COM 34959J108 273,188 4,037,660 SH   SOLE   3,808,490 0 229,170
FRESHPET INC COM 358039105 98,850 1,181,565 SH   SOLE   890,615 0 290,950
FULLER H B CO COM 359694106 41,513 930,790 SH   SOLE   703,485 0 227,305
GALLAGHER ARTHUR J & CO COM 363576109 239,950 2,461,273 SH   SOLE   2,308,933 0 152,340
GENERAC HLDGS INC COM 368736104 44,453 364,580 SH   SOLE   276,810 0 87,770
GENETRON HLDGS LTD ADS 37186H100 302 25,000 SH   SOLE   25,000 0 0
GERMAN AMERN BANCORP INC COM 373865104 37,153 1,194,635 SH   SOLE   903,120 0 291,515
GLOBUS MED INC CL A 379577208 36,664 768,480 SH   SOLE   583,330 0 185,150
GUIDEWIRE SOFTWARE INC COM 40171V100 65,724 592,910 SH   SOLE   556,425 0 36,485
HERSHEY CO COM 427866108 140,616 1,084,835 SH   SOLE   1,018,060 0 66,775
HOSTESS BRANDS INC CL A 44109J106 117,577 9,621,670 SH   SOLE   7,260,030 0 2,361,640
IDEX CORP COM 45167R104 199,773 1,264,065 SH   SOLE   1,185,940 0 78,125
INDEPENDENT BANK CORP MASS COM 453836108 82,064 1,223,193 SH   SOLE   920,298 0 302,895
INNOSPEC INC COM 45768S105 51,725 669,580 SH   SOLE   506,670 0 162,910
INSPIRE MED SYS INC COM 457730109 80,335 923,180 SH   SOLE   695,615 0 227,565
INTEGRA LIFESCIENCES HLDGS C COM NEW 457985208 291,719 6,208,110 SH   SOLE   5,320,400 0 887,710
J & J SNACK FOODS CORP COM 466032109 32,623 256,610 SH   SOLE   192,715 0 63,895
JOHN BEAN TECHNOLOGIES CORP COM 477839104 132,754 1,543,290 SH   SOLE   1,164,280 0 379,010
LAMB WESTON HLDGS INC COM 513272104 187,828 2,938,022 SH   SOLE   2,757,422 0 180,600
LANCASTER COLONY CORP COM 513847103 145,711 940,133 SH   SOLE   707,233 0 232,900
MGP INGREDIENTS INC NEW COM 55303J106 50,255 1,369,150 SH   SOLE   1,030,880 0 338,270
MSA SAFETY INC COM 553498106 122,327 1,068,915 SH   SOLE   806,755 0 262,160
MASIMO CORP COM 574795100 161,850 709,900 SH   SOLE   631,180 0 78,720
MEDALLIA INC COM 584021109 228,227 9,042,264 SH   SOLE   7,891,684 0 1,150,580
MOLSON COORS BEVERAGE CO CL B 60871R209 70,491 2,051,545 SH   SOLE   1,932,815 0 118,730
MORNINGSTAR INC COM 617700109 43,939 311,690 SH   SOLE   292,420 0 19,270
NATIONAL VISION HLDGS INC COM 63845R107 51,132 1,675,345 SH   SOLE   1,265,885 0 409,460
NEW RELIC INC COM 64829B100 260,772 3,784,785 SH   SOLE   3,167,065 0 617,720
NORDSON CORP COM 655663102 89,910 473,935 SH   SOLE   444,915 0 29,020
NORTHERN TR CORP COM 665859104 152,893 1,927,055 SH   SOLE   1,807,065 0 119,990
NUTANIX INC CL A 67059N108 74,751 3,153,385 SH   SOLE   2,960,950 0 192,435
OKTA INC CL A 679295105 183,586 916,874 SH   SOLE   860,929 0 55,945
PALO ALTO NETWORKS INC COM 697435105 197,270 858,930 SH   SOLE   806,640 0 52,290
PALOMAR HLDGS INC COM 69753M105 46,740 545,015 SH   SOLE   411,000 0 134,015
PENUMBRA INC COM 70975L107 72,029 402,800 SH   SOLE   303,990 0 98,810
PRESTIGE CONSMR HEALTHCARE I COM 74112D101 90,457 2,408,345 SH   SOLE   1,818,855 0 589,490
PROOFPOINT INC COM 743424103 86,156 775,345 SH   SOLE   727,620 0 47,725
PROSPERITY BANCSHARES INC COM 743606105 154,017 2,593,750 SH   SOLE   2,235,920 0 357,830
PURE STORAGE INC CL A 74624M102 323,019 18,639,277 SH   SOLE   15,867,502 0 2,771,775
Q2 HLDGS INC COM 74736L109 203,104 2,367,460 SH   SOLE   1,879,955 0 487,505
QUALYS INC COM 74758T303 31,718 304,925 SH   SOLE   229,260 0 75,665
RITCHIE BROS AUCTIONEERS COM 767744105 72,256 1,768,805 SH   SOLE   1,331,885 0 436,920
ROCKWELL AUTOMATION INC COM 773903109 204,765 961,337 SH   SOLE   902,167 0 59,170
SVB FINANCIAL GROUP COM 78486Q101 95,181 441,614 SH   SOLE   414,489 0 27,125
SAILPOINT TECHNLGIES HLDGS I COM 78781P105 103,440 3,907,835 SH   SOLE   2,946,625 0 961,210
SALLY BEAUTY HLDGS INC COM 79546E104 59,979 4,786,810 SH   SOLE   3,618,980 0 1,167,830
SELECTIVE INS GROUP INC COM 816300107 31,397 595,325 SH   SOLE   449,465 0 145,860
SENSIENT TECHNOLOGIES CORP COM 81725T100 109,477 2,098,875 SH   SOLE   1,585,310 0 513,565
SERVICENOW INC COM 81762P102 261,476 645,523 SH   SOLE   605,968 0 39,555
SHAKE SHACK INC CL A 819047101 12,605 237,925 SH   SOLE   179,805 0 58,120
SIMPLY GOOD FOODS CO COM 82900L102 82,505 4,440,515 SH   SOLE   3,350,570 0 1,089,945
SMARTSHEET INC COM CL A 83200N103 96,340 1,891,996 SH   SOLE   1,775,676 0 116,320
SMUCKER J M CO COM NEW 832696405 209,111 1,976,285 SH   SOLE   1,853,905 0 122,380
SPLUNK INC COM 848637104 245,300 1,234,524 SH   SOLE   1,159,064 0 75,460
STANDEX INTL CORP COM 854231107 40,152 697,685 SH   SOLE   527,540 0 170,145
STOCK YDS BANCORP INC COM 861025104 37,938 943,742 SH   SOLE   710,752 0 232,990
SYNOPSYS INC COM 871607107 116,118 595,475 SH   SOLE   558,915 0 36,560
TACTILE SYS TECHNOLOGY INC COM 87357P100 30,456 735,130 SH   SOLE   554,680 0 180,450
TENABLE HLDGS INC COM 88025T102 120,989 4,058,665 SH   SOLE   3,061,650 0 997,015
TORO CO COM 891092108 119,077 1,794,951 SH   SOLE   1,685,411 0 109,540
TRACTOR SUPPLY CO COM 892356106 264,301 2,005,470 SH   SOLE   1,881,970 0 123,500
TRADEWEB MKTS INC CL A 892672106 113,855 1,958,285 SH   SOLE   1,834,790 0 123,495
TREEHOUSE FOODS INC COM 89469A104 188,636 4,306,755 SH   SOLE   3,647,310 0 659,445
TRIMAS CORP COM NEW 896215209 51,217 2,138,500 SH   SOLE   1,613,560 0 524,940
UMB FINL CORP COM 902788108 90,780 1,761,000 SH   SOLE   1,329,295 0 431,705
ULTA BEAUTY INC COM 90384S303 178,705 878,501 SH   SOLE   824,486 0 54,015
VEEVA SYS INC CL A COM 922475108 256,972 1,096,202 SH   SOLE   1,028,742 0 67,460
WASHINGTON TR BANCORP COM 940610108 27,657 844,475 SH   SOLE   637,830 0 206,645
WATERS CORP COM 941848103 150,570 834,645 SH   SOLE   783,495 0 51,150
WELBILT INC COM 949090104 47,523 7,803,411 SH   SOLE   5,897,321 0 1,906,090
WEST PHARMACEUTICAL SVSC INC COM 955306105 139,083 612,240 SH   SOLE   574,820 0 37,420
WILEY JOHN & SONS INC CL A 968223206 170,077 4,360,941 SH   SOLE   3,671,441 0 689,500
WOLVERINE WORLD WIDE INC COM 978097103 80,595 3,384,935 SH   SOLE   2,553,910 0 831,025
WORKDAY INC CL A 98138H101 282,764 1,509,200 SH   SOLE   1,416,900 0 92,300
WORKIVA INC COM CL A 98139A105 31,885 596,085 SH   SOLE   450,175 0 145,910
YEXT INC COM 98585N106 135,876 8,180,385 SH   SOLE   6,165,085 0 2,015,300
ZSCALER INC COM 98980G102 170,728 1,559,160 SH   SOLE   1,463,680 0 95,480
ARCO PLATFORM LTD COM CL A G04553106 1,354 31,130 SH   SOLE   31,130 0 0
ARGO GROUP INTL HLDGS LTD COM G0464B107 63,396 1,820,143 SH   SOLE   1,371,343 0 448,800
CLARIVATE PLC ORD SHS G21810109 170,535 7,637,030 SH   SOLE   7,166,735 0 470,295
EVEREST RE GROUP LTD COM G3223R108 246,911 1,197,435 SH   SOLE   1,124,015 0 73,420
HELEN OF TROY CORP LTD COM G4388N106 34,130 181,003 SH   SOLE   136,378 0 44,625
JAMES RIV GROUP LTD COM G5005R107 56,577 1,257,275 SH   SOLE   949,220 0 308,055