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
AMETEK INC. COM 031100100 64,444 586,442 SH   DFND   0 586,442 0
API GROUP CORP COM 00187Y100 26,864 1,794,521 SH   DFND   0 1,557,327 237,194
ADVANCED ENERGY INDUSTRIES, IN COM 007973100 29,752 407,672 SH   DFND   0 353,809 53,863
AGILYSYS INC. COM 00847J105 36,390 769,825 SH   DFND   0 668,096 101,729
AMPHENOL CORP. CL A COM 032095101 62,468 970,299 SH   DFND   0 970,299 0
ANALOG DEVICES INC COM 032654105 33,697 230,658 SH   DFND   0 230,658 0
ATMOS ENERGY CORP. COM 049560105 7,084 63,195 SH   DFND   0 63,195 0
AVID BIOSERVICES INC. COM 05368M106 24,892 1,631,171 SH   DFND   0 1,415,582 215,589
BWX TECHNOLOGIES COM 05605H100 133,130 2,416,588 SH   DFND   0 2,342,802 73,786
BIO TECHNE CORP COM 09073M104 11,071 31,937 SH   DFND   0 31,937 0
BRINK'S CO, THE COM 109696104 19,087 314,400 SH   DFND   0 272,825 41,575
BRIXMOR PROPERTY GROUP, INC. COM 11120U105 53,459 2,645,158 SH   DFND   0 2,295,382 349,776
BROWN & BROWN INC. COM 115236101 31,854 546,001 SH   DFND   0 546,001 0
CACI INTERNATIONAL COM 127190304 79,005 280,379 SH   DFND   0 243,334 37,045
CMC MATERIALS INC. COM 12571T100 26,021 149,128 SH   DFND   0 129,415 19,713
CABOT CORP. COM 127055101 99,842 1,565,168 SH   DFND   0 1,419,275 145,893
CATALENT INC. COM 148806102 71,127 662,939 SH   DFND   0 662,939 0
CHARLES RIVER LABORATORIES COM 159864107 33,378 155,996 SH   DFND   0 155,996 0
CHARLES SCHWAB CORP COM 808513105 28,661 453,643 SH   DFND   0 453,643 0
CLEAN HARBORS INC. COM 184496107 176,532 2,013,591 SH   DFND   0 1,877,757 135,834
COGNEX CORP COM 192422103 19,005 446,964 SH   DFND   0 387,870 59,094
COPART INC. COM 217204106 30,001 276,102 SH   DFND   0 276,102 0
DORMAN PRODUCTS INC. COM 258278100 29,601 269,813 SH   DFND   0 234,200 35,613
ENTEGRIS INC. COM 29362U104 148,158 1,608,140 SH   DFND   0 1,505,397 102,743
FMC CORP COM 302491303 88,279 824,959 SH   DFND   0 824,959 0
FTI CONSULTING COM 302941109 30,836 170,508 SH   DFND   0 147,965 22,543
FIRST AMERICAN FINANCIAL COM 31847R102 18,158 343,115 SH   DFND   0 343,115 0
GLACIER BANCORP INC. COM 37637Q105 21,092 444,785 SH   DFND   0 386,024 58,761
GRACO INC. COM 384109104 54,889 923,896 SH   DFND   0 835,033 88,863
HEICO CORP - CLASS A COM 422806208 68,315 648,272 SH   DFND   0 587,689 60,583
HALOZYME THERAPEUTICS INC. COM 40637H109 180,848 4,110,174 SH   DFND   0 3,809,164 301,010
HELEN OF TROY LTD. COM G4388N106 65,484 403,203 SH   DFND   0 364,702 38,501
HENRY SCHEIN, INC. COM 806407102 69,309 903,163 SH   DFND   0 903,163 0
HEXCEL CORP COM 428291108 11,775 225,109 SH   DFND   0 225,109 0
HOSTESS BRANDS INC. COM 44109J106 56,004 2,640,470 SH   DFND   0 2,291,361 349,109
HUNTINGTON BANCSHARES INC. COM 446150104 29,100 2,418,983 SH   DFND   0 2,418,983 0
IAA INC. COM 449253103 37,513 1,144,731 SH   DFND   0 1,019,725 125,006
IDEX CORP. COM 45167R104 77,492 426,650 SH   DFND   0 382,807 43,843
II-VI INCORPORATED COM 902104108 47,146 925,342 SH   DFND   0 844,406 80,936
IQVIA HOLDINGS INC. COM 46266C105 24,261 111,807 SH   DFND   0 111,807 0
INGEVITY CORP COM 45688C107 23,961 379,492 SH   DFND   0 329,329 50,163
INGREDION INC. COM 457187102 110,634 1,254,924 SH   DFND   0 1,171,412 83,512
KBR, INC. COM 48242W106 121,804 2,517,141 SH   DFND   0 2,260,675 256,466
KAR AUCTION SERVICES INC. COM 48238T109 75,746 5,128,362 SH   DFND   0 4,690,521 437,841
KEYSIGHT TECHNOLOGIES COM 49338L103 20,933 151,855 SH   DFND   0 151,855 0
LKQ CORP COM 501889208 32,299 657,948 SH   DFND   0 657,948 0
MARKEL CORP. COM 570535104 13,666 10,567 SH   DFND   0 10,567 0
MASTERCARD, INC. CL-A COM 57636Q104 26,841 85,081 SH   DFND   0 85,081 0
MCGRATH RENTCORP COM 580589109 21,363 281,086 SH   DFND   0 243,890 37,196
MERCURY SYSTEMS INC. COM 589378108 47,210 733,866 SH   DFND   0 636,855 97,011
MID-AMERICA APARTMENT COMMUNIT COM 59522J103 10,320 59,081 SH   DFND   0 59,081 0
MINERALS TECHNOLOGIES INC COM 603158106 26,323 429,140 SH   DFND   0 372,310 56,830
NATIONAL RETAIL PROPERTIES COM 637417106 28,084 653,112 SH   DFND   0 653,112 0
NELNET INC. CL A COM 64031N108 20,357 238,793 SH   DFND   0 207,233 31,560
PDF SOLUTIONS, INC. COM 693282105 25,680 1,193,852 SH   DFND   0 1,036,249 157,603
PACIFIC PREMIER BANCORP INC COM 69478X105 29,933 1,023,713 SH   DFND   0 888,526 135,187
POWER INTEGRATIONS INC. COM 739276103 61,905 825,295 SH   DFND   0 716,180 109,115
PROSPERITY BANCSHARES, INC. COM 743606105 66,157 969,052 SH   DFND   0 878,623 90,429
R1 RCM INC. COM 77634L105 33,096 1,579,011 SH   DFND   0 1,370,343 208,668
RBC BEARINGS INC. COM 75524B104 86,259 466,391 SH   DFND   0 421,503 44,888
RLI CORP. COM 749607107 36,887 316,378 SH   DFND   0 274,582 41,796
STERIS PLC COM G8473T100 26,186 127,022 SH   DFND   0 127,022 0
SENSIENT TECHNOLOGIES CORP COM 81725T100 32,973 409,294 SH   DFND   0 355,247 54,047
SIMPSON MANUFACTURING COM 829073105 28,211 280,399 SH   DFND   0 243,359 37,040
SYNOPSYS INC. COM 871607107 50,426 166,038 SH   DFND   0 166,038 0
UGI CORP. COM 902681105 152,539 3,950,761 SH   DFND   0 3,686,967 263,794
UNITED COMMUNITY BANKS, INC. O COM 90984P303 58,264 1,929,913 SH   DFND   0 1,674,621 255,292
VALVOLINE INC. COM 92047W101 26,263 910,977 SH   DFND   0 790,534 120,443
VISA INC-CLASS A SHARES COM 92826C839 24,898 126,456 SH   DFND   0 126,456 0
WASTE CONNECTIONS INC. COM 94106B101 99,916 806,033 SH   DFND   0 806,033 0
WESTERN ALLIANCE BANCORP COM 957638109 53,548 758,465 SH   DFND   0 758,465 0
WOODWARD INC. COM 980745103 63,940 691,318 SH   DFND   0 621,770 69,548