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 226,313 1,474,350 SH   SOLE   1,381,685 0 92,665
AGORA INC ADS 00851L103 703 16,360 SH   SOLE   16,360 0 0
ALBANY INTL CORP CL A 012348108 9,455 190,975 SH   SOLE   144,050 0 46,925
ALIBABA GROUP HLDG LTD SPONSORED ADS 01609W102 597 2,030 SH   SOLE   2,030 0 0
ALIGN TECHNOLOGY INC COM 016255101 174,251 532,291 SH   SOLE   498,465 0 33,826
ALTRA INDL MOTION CORP COM 02208R106 85,147 2,303,150 SH   SOLE   1,744,980 0 558,170
AMETEK INC COM 031100100 297,807 2,996,050 SH   SOLE   2,810,555 0 185,495
APTARGROUP INC COM 038336103 185,510 1,638,785 SH   SOLE   1,537,405 0 101,380
ATRICURE INC COM 04963C209 82,570 2,069,420 SH   SOLE   1,568,750 0 500,670
AVANOS MED INC COM 05350V106 112,308 3,380,740 SH   SOLE   2,562,995 0 817,745
B & G FOODS INC NEW COM 05508R106 70,318 2,532,150 SH   SOLE   1,921,850 0 610,300
BARNES GROUP INC COM 067806109 94,241 2,636,860 SH   SOLE   1,994,840 0 642,020
BIO RAD LABS INC CL A 090572207 107,149 207,870 SH   SOLE   194,980 0 12,890
BIO-TECHNE CORP COM 09073M104 230,819 931,735 SH   SOLE   877,890 0 53,845
BLACKBAUD INC COM 09227Q100 41,089 735,970 SH   SOLE   557,495 0 178,475
BLACKLINE INC COM 09239B109 53,389 595,665 SH   SOLE   451,625 0 144,040
BOSTON BEER INC CL A 100557107 26,448 29,940 SH   SOLE   22,910 0 7,030
BROWN FORMAN CORP CL B 115637209 62,953 835,805 SH   SOLE   787,285 0 48,520
BRYN MAWR BK CORP COM 117665109 23,951 963,065 SH   SOLE   732,505 0 230,560
CSW INDUSTRIALS INC COM 126402106 36,447 471,810 SH   SOLE   362,490 0 109,320
CVB FINL CORP COM 126600105 42,006 2,525,925 SH   SOLE   1,920,800 0 605,125
CAMPBELL SOUP CO COM 134429109 64,524 1,333,960 SH   SOLE   1,250,510 0 83,450
CANTEL MED CORP COM 138098108 172,933 3,935,670 SH   SOLE   3,347,170 0 588,500
CARDIOVASCULAR SYS INC DEL COM 141619106 116,523 2,961,190 SH   SOLE   2,247,410 0 713,780
CATALENT INC COM 148806102 297,638 3,474,645 SH   SOLE   3,084,200 0 390,445
CHASE CORP COM 16150R104 25,400 266,245 SH   SOLE   202,705 0 63,540
CHURCH & DWIGHT INC COM 171340102 55,734 594,749 SH   SOLE   559,499 0 35,250
COMMERCE BANCSHARES INC COM 200525103 46,448 825,161 SH   SOLE   773,711 0 51,450
COMMUNITY BK SYS INC COM 203607106 54,676 1,003,975 SH   SOLE   761,930 0 242,045
CONMED CORP COM 207410101 123,254 1,566,724 SH   SOLE   1,187,389 0 379,335
COOPER COS INC COM NEW 216648402 182,360 540,935 SH   SOLE   509,785 0 31,150
CULLEN FROST BANKERS INC COM 229899109 107,528 1,681,445 SH   SOLE   1,576,040 0 105,405
DENTSPLY SIRONA INC COM 24906P109 212,778 4,865,730 SH   SOLE   4,563,570 0 302,160
DUNKIN BRANDS GROUP INC COM 265504100 147,571 1,801,624 SH   SOLE   1,687,839 0 113,785
E L F BEAUTY INC COM 26856L103 66,016 3,593,668 SH   SOLE   2,728,793 0 864,875
EDWARDS LIFESCIENCES CORP COM 28176E108 229,574 2,876,142 SH   SOLE   2,695,917 0 180,225
ENVESTNET INC COM 29404K106 51,955 673,340 SH   SOLE   511,905 0 161,435
ENVISTA HOLDINGS CORPORATION COM 29415F104 83,419 3,380,044 SH   SOLE   3,025,219 0 354,825
EVOQUA WATER TECHNOLOGIES CO COM 30057T105 79,069 3,726,169 SH   SOLE   2,819,584 0 906,585
FORTIVE CORP COM 34959J108 311,005 4,080,890 SH   SOLE   3,845,550 0 235,340
FRESHPET INC COM 358039105 67,937 608,485 SH   SOLE   458,510 0 149,975
FULLER H B CO COM 359694106 42,620 930,985 SH   SOLE   706,360 0 224,625
GALLAGHER ARTHUR J & CO COM 363576109 262,127 2,482,738 SH   SOLE   2,326,178 0 156,560
GENERAC HLDGS INC COM 368736104 57,662 297,780 SH   SOLE   213,740 0 84,040
GENETRON HLDGS LTD ADS 37186H100 483 40,445 SH   SOLE   40,445 0 0
GERMAN AMERN BANCORP INC COM 373865104 32,509 1,197,830 SH   SOLE   909,675 0 288,155
GLOBUS MED INC CL A 379577208 51,627 1,042,550 SH   SOLE   791,645 0 250,905
HERSHEY CO COM 427866108 234,420 1,635,415 SH   SOLE   1,533,505 0 101,910
HOSTESS BRANDS INC CL A 44109J106 119,579 9,698,195 SH   SOLE   7,363,955 0 2,334,240
IDEX CORP COM 45167R104 176,772 969,090 SH   SOLE   909,005 0 60,085
INDEPENDENT BANK CORP MASS COM 453836108 64,834 1,237,768 SH   SOLE   938,643 0 299,125
INNOSPEC INC COM 45768S105 48,210 761,365 SH   SOLE   577,165 0 184,200
INSPIRE MED SYS INC COM 457730109 114,525 887,450 SH   SOLE   672,595 0 214,855
INTEGRA LIFESCIENCES HLDGS C COM NEW 457985208 296,118 6,271,020 SH   SOLE   5,385,225 0 885,795
J & J SNACK FOODS CORP COM 466032109 44,463 341,000 SH   SOLE   260,020 0 80,980
JD.COM INC SPON ADR CL A 47215P106 204 2,625 SH   SOLE   2,625 0 0
JOHN BEAN TECHNOLOGIES CORP COM 477839104 142,420 1,549,900 SH   SOLE   1,175,400 0 374,500
LAMB WESTON HLDGS INC COM 513272104 198,026 2,988,172 SH   SOLE   2,798,582 0 189,590
LANCASTER COLONY CORP COM 513847103 169,429 947,588 SH   SOLE   717,468 0 230,120
MGP INGREDIENTS INC NEW COM 55303J106 54,795 1,378,845 SH   SOLE   1,044,755 0 334,090
MSA SAFETY INC COM 553498106 144,025 1,073,450 SH   SOLE   814,290 0 259,160
MASIMO CORP COM 574795100 172,085 728,990 SH   SOLE   649,320 0 79,670
MEDALLIA INC COM 584021109 289,757 10,567,344 SH   SOLE   9,204,094 0 1,363,250
MOLSON COORS BEVERAGE CO CL B 60871R209 69,521 2,071,555 SH   SOLE   1,948,625 0 122,930
MORNINGSTAR INC COM 617700109 49,839 310,310 SH   SOLE   290,630 0 19,680
NATIONAL VISION HLDGS INC COM 63845R107 64,877 1,696,580 SH   SOLE   1,292,830 0 403,750
NEW RELIC INC COM 64829B100 214,614 3,807,915 SH   SOLE   3,193,765 0 614,150
NORDSON CORP COM 655663102 61,028 318,150 SH   SOLE   297,660 0 20,490
NORTHERN TR CORP COM 665859104 151,319 1,940,740 SH   SOLE   1,818,360 0 122,380
NUTANIX INC CL A 67059N108 47,802 2,155,185 SH   SOLE   2,025,775 0 129,410
OKTA INC CL A 679295105 175,929 822,674 SH   SOLE   771,499 0 51,175
OMNICELL COM COM 68213N109 43,722 585,615 SH   SOLE   442,160 0 143,455
PALO ALTO NETWORKS INC COM 697435105 211,816 865,440 SH   SOLE   811,820 0 53,620
PALOMAR HLDGS INC COM 69753M105 57,191 548,650 SH   SOLE   416,245 0 132,405
PENUMBRA INC COM 70975L107 77,676 399,610 SH   SOLE   301,940 0 97,670
PLURALSIGHT INC COM CL A 72941B106 31,147 1,818,300 SH   SOLE   1,380,590 0 437,710
PRESTIGE CONSMR HEALTHCARE I COM 74112D101 88,409 2,427,480 SH   SOLE   1,844,870 0 582,610
PROOFPOINT INC COM 743424103 110,576 1,047,620 SH   SOLE   981,895 0 65,725
PROSPERITY BANCSHARES INC COM 743606105 156,662 3,022,605 SH   SOLE   2,641,780 0 380,825
PURE STORAGE INC CL A 74624M102 295,560 19,204,657 SH   SOLE   16,348,037 0 2,856,620
Q2 HLDGS INC COM 74736L109 229,229 2,511,828 SH   SOLE   2,022,163 0 489,665
RBC BEARINGS INC COM 75524B104 16,424 135,500 SH   SOLE   102,075 0 33,425
RITCHIE BROS AUCTIONEERS COM 767744105 54,338 917,100 SH   SOLE   687,070 0 230,030
ROCKWELL AUTOMATION INC COM 773903109 163,375 740,327 SH   SOLE   694,152 0 46,175
SVB FINANCIAL GROUP COM 78486Q101 106,408 442,224 SH   SOLE   414,419 0 27,805
SAILPOINT TECHNLGIES HLDGS I COM 78781P105 145,522 3,677,585 SH   SOLE   2,785,760 0 891,825
SALLY BEAUTY HLDGS INC COM 79546E104 41,900 4,821,620 SH   SOLE   3,668,090 0 1,153,530
SELECTIVE INS GROUP INC COM 816300107 60,336 1,171,795 SH   SOLE   884,680 0 287,115
SENSIENT TECHNOLOGIES CORP COM 81725T100 122,075 2,114,215 SH   SOLE   1,606,665 0 507,550
SERVICENOW INC COM 81762P102 153,295 316,073 SH   SOLE   296,348 0 19,725
SHAKE SHACK INC CL A 819047101 23,412 363,090 SH   SOLE   276,770 0 86,320
SIMPLY GOOD FOODS CO COM 82900L102 98,810 4,481,165 SH   SOLE   3,403,440 0 1,077,725
SMARTSHEET INC COM CL A 83200N103 193,773 3,920,941 SH   SOLE   3,675,621 0 245,320
SMUCKER J M CO COM NEW 832696405 229,768 1,988,985 SH   SOLE   1,863,640 0 125,345
SPLUNK INC COM 848637104 227,676 1,210,204 SH   SOLE   1,134,804 0 75,400
STANDEX INTL CORP COM 854231107 37,060 626,020 SH   SOLE   476,090 0 149,930
STOCK YDS BANCORP INC COM 861025104 26,708 784,597 SH   SOLE   594,727 0 189,870
SYNOPSYS INC COM 871607107 109,764 512,965 SH   SOLE   481,185 0 31,780
TACTILE SYS TECHNOLOGY INC COM 87357P100 44,144 1,206,445 SH   SOLE   918,295 0 288,150
TENABLE HLDGS INC COM 88025T102 125,767 3,331,565 SH   SOLE   2,525,480 0 806,085
TORO CO COM 891092108 153,775 1,831,751 SH   SOLE   1,717,936 0 113,815
TRACTOR SUPPLY CO COM 892356106 232,597 1,622,695 SH   SOLE   1,521,095 0 101,600
TRADEWEB MKTS INC CL A 892672106 191,013 3,293,325 SH   SOLE   3,089,135 0 204,190
TREEHOUSE FOODS INC COM 89469A104 176,990 4,366,895 SH   SOLE   3,707,835 0 659,060
TRIMAS CORP COM NEW 896215209 70,576 3,095,440 SH   SOLE   2,347,170 0 748,270
UMB FINL CORP COM 902788108 80,537 1,643,280 SH   SOLE   1,241,205 0 402,075
ULTA BEAUTY INC COM 90384S303 247,746 1,106,106 SH   SOLE   1,036,731 0 69,375
UTZ BRANDS INC COM CL A 918090101 13,760 768,740 SH   SOLE   584,320 0 184,420
VAPOTHERM INC COM 922107107 14,117 486,780 SH   SOLE   371,225 0 115,555
VEEVA SYS INC CL A COM 922475108 245,111 871,692 SH   SOLE   817,612 0 54,080
WASHINGTON TR BANCORP COM 940610108 21,883 713,730 SH   SOLE   540,985 0 172,745
WATERS CORP COM 941848103 166,453 850,640 SH   SOLE   798,140 0 52,500
WELBILT INC COM 949090104 48,029 7,796,891 SH   SOLE   5,914,311 0 1,882,580
WEST PHARMACEUTICAL SVSC INC COM 955306105 141,127 513,375 SH   SOLE   481,565 0 31,810
WILEY JOHN & SONS INC CL A 968223206 110,598 3,487,804 SH   SOLE   2,862,309 0 625,495
WOLVERINE WORLD WIDE INC COM 978097103 88,537 3,426,360 SH   SOLE   2,604,695 0 821,665
WORKDAY INC CL A 98138H101 327,765 1,523,565 SH   SOLE   1,428,965 0 94,600
WORKIVA INC COM CL A 98139A105 57,357 1,028,640 SH   SOLE   781,285 0 247,355
YEXT INC COM 98585N106 125,293 8,253,815 SH   SOLE   6,261,815 0 1,992,000
ZENDESK INC COM 98936J101 87,161 846,885 SH   SOLE   794,135 0 52,750
ZSCALER INC COM 98980G102 203,929 1,449,490 SH   SOLE   1,359,370 0 90,120
ARCO PLATFORM LTD COM CL A G04553106 1,271 31,130 SH   SOLE   31,130 0 0
ARGO GROUP INTL HLDGS LTD COM G0464B107 63,336 1,839,548 SH   SOLE   1,395,848 0 443,700
CLARIVATE PLC ORD SHS G21810109 247,382 7,982,625 SH   SOLE   7,482,865 0 499,760
EVEREST RE GROUP LTD COM G3223R108 238,564 1,207,675 SH   SOLE   1,131,975 0 75,700
JAMES RIV GROUP LTD COM G5005R107 56,429 1,267,215 SH   SOLE   962,810 0 304,405