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
AGILYSYS INC. COM 00847J105 19,477 806,183 SH   DFND   0 736,529 69,654
ALLEGHANY CORP COM 017175100 7,629 14,659 SH   DFND   0 14,659 0
AMETEK INC. COM 031100100 33,293 334,937 SH   DFND   0 334,937 0
AMPHENOL CORP. CL A COM 032095101 33,701 311,267 SH   DFND   0 311,267 0
ANALOG DEVICES INC COM 032654105 7,851 67,248 SH   DFND   0 67,248 0
ATMOS ENERGY CORP. COM 049560105 11,718 122,586 SH   DFND   0 122,586 0
AVID BIOSERVICES INC. COM 05368M106 17,546 2,302,621 SH   DFND   0 2,103,670 198,951
BWX TECHNOLOGIES COM 05605H100 62,711 1,113,682 SH   DFND   0 1,105,954 7,728
BIO TECHNE CORP COM 09073M104 12,999 52,471 SH   DFND   0 52,471 0
BRINK'S CO, THE COM 109696104 15,042 366,077 SH   DFND   0 334,428 31,649
BRIXMOR PROPERTY GROUP, INC. COM 11120U105 13,807 1,181,130 SH   DFND   0 1,079,132 101,998
CACI INTERNATIONAL COM 127190304 50,427 236,568 SH   DFND   0 216,111 20,457
CABOT CORP. COM 127055101 37,364 1,037,018 SH   DFND   0 972,155 64,863
CABOT MICROELECTRONICS COM 12709P103 31,287 219,082 SH   DFND   0 200,169 18,913
CATALENT INC. COM 148806102 27,632 322,582 SH   DFND   0 322,582 0
CHARLES RIVER LABORATORIES COM 159864107 30,302 133,814 SH   DFND   0 133,814 0
CLEAN HARBORS INC. COM 184496107 72,322 1,290,765 SH   DFND   0 1,224,627 66,138
COGNEX CORP COM 192422103 22,113 339,670 SH   DFND   0 310,294 29,376
COHERENT INC. COM 192479103 12,662 114,147 SH   DFND   0 104,296 9,851
COPART INC. COM 217204106 88,789 844,327 SH   DFND   0 797,576 46,751
COVANTA HOLDING CORP COM 22282E102 8,911 1,149,765 SH   DFND   0 1,050,564 99,201
DOLLAR TREE INC. COM 256746108 18,401 201,461 SH   DFND   0 201,461 0
DORMAN PRODUCTS INC. COM 258278100 21,995 243,359 SH   DFND   0 222,363 20,996
EOG RESOURCES INC. COM 26875P101 1,296 36,068 SH   DFND   0 36,068 0
EMERGENT BIOSOLUTIONS INC COM 29089Q105 68,680 664,662 SH   DFND   0 613,426 51,236
ENTEGRIS INC. COM 29362U104 135,949 1,828,747 SH   DFND   0 1,740,441 88,306
FMC CORP COM 302491303 44,730 422,342 SH   DFND   0 422,342 0
FIRST AMERICAN FINANCIAL COM 31847R102 13,397 263,148 SH   DFND   0 263,148 0
GRACO INC. COM 384109104 57,527 937,690 SH   DFND   0 878,828 58,862
HALOZYME THERAPEUTICS INC. COM 40637H109 88,824 3,379,927 SH   DFND   0 3,186,390 193,537
HEICO CORP - CLASS A COM 422806208 49,968 563,593 SH   DFND   0 527,821 35,772
HELEN OF TROY LTD. COM G4388N106 77,097 398,395 SH   DFND   0 374,455 23,940
HENRY SCHEIN, INC. COM 806407102 22,198 377,652 SH   DFND   0 377,652 0
HEXCEL CORP COM 428291108 7,330 218,470 SH   DFND   0 218,470 0
HOSTESS BRANDS INC. COM 44109J106 21,282 1,725,994 SH   DFND   0 1,576,821 149,173
IAA INC. COM 449253103 57,527 1,104,802 SH   DFND   0 1,032,670 72,132
IDEX CORP. COM 45167R104 69,972 383,595 SH   DFND   0 357,727 25,868
INGEVITY CORP COM 45688C107 13,583 274,732 SH   DFND   0 250,984 23,748
INGREDION INC. COM 457187102 56,533 747,007 SH   DFND   0 707,667 39,340
KBR, INC. COM 48242W106 21,716 971,178 SH   DFND   0 887,185 83,993
KAMAN CORP COM 483548103 18,396 472,053 SH   DFND   0 431,251 40,802
KAR AUCTION SERVICES INC. COM 48238T109 71,973 4,998,096 SH   DFND   0 4,741,428 256,668
KEYSIGHT TECHNOLOGIES COM 49338L103 14,876 150,596 SH   DFND   0 150,596 0
LKQ CORP COM 501889208 16,211 584,584 SH   DFND   0 584,584 0
LIGAND PHARMACEUTICALS COM 53220K504 16,481 172,906 SH   DFND   0 157,959 14,947
MARKEL CORP. COM 570535104 7,351 7,550 SH   DFND   0 7,550 0
MASTERCARD, INC. CL-A COM 57636Q104 8,500 25,135 SH   DFND   0 25,135 0
MEDTRONIC PLC COM G5960L103 7,023 67,583 SH   DFND   0 67,583 0
MERCURY SYSTEMS INC. COM 589378108 19,031 245,687 SH   DFND   0 224,459 21,228
MID-AMERICA APARTMENT COMMUNIT COM 59522J103 11,910 102,719 SH   DFND   0 102,719 0
MINERALS TECHNOLOGIES INC COM 603158106 15,381 301,005 SH   DFND   0 274,976 26,029
NATIONAL RETAIL PROPERTIES COM 637417106 7,227 209,416 SH   DFND   0 209,416 0
O'REILLY AUTOMOTIVE INC. COM 67103H107 4,360 9,456 SH   DFND   0 9,456 0
PDF SOLUTIONS, INC. COM 693282105 20,158 1,077,387 SH   DFND   0 984,442 92,945
POWER INTEGRATIONS INC. COM 739276103 41,349 746,364 SH   DFND   0 681,931 64,433
PROSPERITY BANCSHARES, INC. COM 743606105 31,388 605,586 SH   DFND   0 567,730 37,856
R1 RCM INC. COM 749397105 25,700 1,498,539 SH   DFND   0 1,368,887 129,652
RBC BEARINGS INC. COM 75524B104 34,065 281,038 SH   DFND   0 256,747 24,291
RLI CORP. COM 749607107 23,899 285,432 SH   DFND   0 260,769 24,663
SCHWAB CORP COM 808513105 4,884 134,804 SH   DFND   0 134,804 0
SENSIENT TECHNOLOGIES CORP COM 81725T100 21,321 369,265 SH   DFND   0 337,386 31,879
SIMPSON MANUFACTURING COM 829073105 24,584 253,025 SH   DFND   0 231,164 21,861
STERIS PLC COM G8473T100 19,883 112,848 SH   DFND   0 112,848 0
SYNOPSYS INC. COM 871607107 41,695 194,856 SH   DFND   0 194,856 0
TCF FINANCIAL CORP COM 872307103 41,409 1,772,655 SH   DFND   0 1,664,716 107,939
TELEDYNE INC. COM 879360105 51,284 165,319 SH   DFND   0 151,037 14,282
THERMON GROUP HOLDINGS INC COM 88362T103 4,008 356,939 SH   DFND   0 325,863 31,076
UGI CORP. COM 902681105 95,786 2,904,363 SH   DFND   0 2,752,676 151,687
UNITED COMMUNITY BANKS, INC. O COM 90984P303 19,479 1,150,532 SH   DFND   0 1,051,011 99,521
VISA INC-CLASS A SHARES COM 92826C839 7,478 37,397 SH   DFND   0 37,397 0
WASTE CONNECTIONS INC. COM 94106B101 53,120 511,751 SH   DFND   0 511,751 0
WATERS CORP. COM 941848103 4,746 24,253 SH   DFND   0 24,253 0
WESTERN ALLIANCE BANCORP COM 957638109 13,290 420,311 SH   DFND   0 420,311 0
WOODWARD INC. COM 980745103 69,541 867,531 SH   DFND   0 819,567 47,964