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 13,353 799,609 SH   DFND   0 731,109 68,500
ALLEGHANY CORP COM 017175100 6,160 11,153 SH   DFND   0 11,153 0
AMETEK INC. COM 031100100 22,780 316,299 SH   DFND   0 316,299 0
AMPHENOL CORP. CL A COM 032095101 20,937 287,281 SH   DFND   0 287,281 0
ANALOG DEVICES INC COM 032654105 3,038 33,885 SH   DFND   0 33,885 0
AVID BIOSERVICES INC. COM 05368M106 11,655 2,280,905 SH   DFND   0 2,085,983 194,922
BWX TECHNOLOGIES COM 05605H100 51,227 1,051,675 SH   DFND   0 1,043,795 7,880
BIO TECHNE CORP COM 09073M104 8,745 46,117 SH   DFND   0 46,117 0
BRINK'S CO, THE COM 109696104 20,986 403,194 SH   DFND   0 368,749 34,445
BRIXMOR PROPERTY GROUP, INC. COM 11120U105 11,127 1,171,313 SH   DFND   0 1,070,075 101,238
CACI INTERNATIONAL COM 127190304 40,459 191,613 SH   DFND   0 175,245 16,368
CBOE GLOBAL MARKETS INC COM 12503M108 11,326 126,907 SH   DFND   0 126,907 0
CABOT CORP. COM 127055101 27,065 1,036,196 SH   DFND   0 972,365 63,831
CABOT MICROELECTRONICS COM 12709P103 24,805 217,318 SH   DFND   0 198,708 18,610
CATALENT INC. COM 148806102 17,085 328,876 SH   DFND   0 328,876 0
CHARLES RIVER LABORATORIES COM 159864107 17,225 136,481 SH   DFND   0 136,481 0
CLEAN HARBORS INC. COM 184496107 56,278 1,096,180 SH   DFND   0 1,041,388 54,792
COGNEX CORP COM 192422103 20,604 488,013 SH   DFND   0 446,190 41,823
COHERENT INC. COM 192479103 12,040 113,147 SH   DFND   0 103,366 9,781
COPART INC. COM 217204106 51,023 744,644 SH   DFND   0 698,132 46,512
COVANTA HOLDING CORP COM 22282E102 9,754 1,140,796 SH   DFND   0 1,041,055 99,741
DOLLAR TREE INC. COM 256746108 15,139 206,060 SH   DFND   0 206,060 0
DORMAN PRODUCTS INC. COM 258278100 13,316 240,935 SH   DFND   0 220,320 20,615
EOG RESOURCES INC. COM 26875P101 609 16,966 SH   DFND   0 16,966 0
EMERGENT BIOSOLUTIONS INC COM 29089Q105 59,703 1,031,859 SH   DFND   0 947,154 84,705
ENTEGRIS INC. COM 29362U104 106,723 2,383,800 SH   DFND   0 2,262,678 121,122
FMC CORP COM 302491303 31,563 386,378 SH   DFND   0 386,378 0
GRACO INC. COM 384109104 45,665 937,094 SH   DFND   0 878,885 58,209
HALOZYME THERAPEUTICS INC. COM 40637H109 61,041 3,393,057 SH   DFND   0 3,202,632 190,425
HEICO CORP - CLASS A COM 422806208 38,524 602,885 SH   DFND   0 596,871 6,014
HELEN OF TROY LTD. COM G4388N106 57,380 398,388 SH   DFND   0 374,804 23,584
HENRY SCHEIN, INC. COM 806407102 15,434 305,501 SH   DFND   0 305,501 0
HEXCEL CORP COM 428291108 8,302 223,242 SH   DFND   0 223,242 0
HOSTESS BRANDS INC. COM 44109J106 16,918 1,587,093 SH   DFND   0 1,460,394 126,699
IAA INC. COM 449253103 55,967 1,868,041 SH   DFND   0 1,758,225 109,816
IDEX CORP. COM 45167R104 52,798 382,292 SH   DFND   0 356,986 25,306
INGEVITY CORP COM 45688C107 6,585 187,085 SH   DFND   0 170,862 16,223
INGREDION INC. COM 457187102 54,210 718,019 SH   DFND   0 679,479 38,540
KAMAN CORP COM 483548103 13,312 346,039 SH   DFND   0 341,193 4,846
KAR AUCTION SERVICES INC. COM 48238T109 57,313 4,776,104 SH   DFND   0 4,524,930 251,174
KEYSIGHT TECHNOLOGIES COM 49338L103 12,873 153,838 SH   DFND   0 153,838 0
LKQ CORP COM 501889208 12,259 597,714 SH   DFND   0 597,714 0
LIGAND PHARMACEUTICALS COM 53220K504 12,458 171,315 SH   DFND   0 156,619 14,696
LIVENT CORP COM 53814L108 1,406 267,875 SH   DFND   0 247,505 20,370
MARKEL CORP. COM 570535104 7,160 7,716 SH   DFND   0 7,716 0
MASTERCARD, INC. CL-A COM 57636Q104 3,059 12,665 SH   DFND   0 12,665 0
MEDTRONIC PLC COM G5960L103 3,070 34,044 SH   DFND   0 34,044 0
MERCURY SYSTEMS INC. COM 589378108 16,105 225,745 SH   DFND   0 222,552 3,193
MID-AMERICA APARTMENT COMMUNIT COM 59522J103 10,827 105,086 SH   DFND   0 105,086 0
MINERALS TECHNOLOGIES INC COM 603158106 9,704 267,626 SH   DFND   0 244,746 22,880
O'REILLY AUTOMOTIVE INC. COM 67103H107 1,599 5,310 SH   DFND   0 5,310 0
PDC ENERGY INC COM 69327R101 3,202 515,608 SH   DFND   0 462,519 53,089
PDF SOLUTIONS, INC. COM 693282105 12,506 1,067,036 SH   DFND   0 975,810 91,226
POWER INTEGRATIONS INC. COM 739276103 32,843 371,816 SH   DFND   0 339,804 32,012
PROSPERITY BANCSHARES, INC. COM 743606105 23,703 491,245 SH   DFND   0 462,540 28,705
RBC BEARINGS INC. COM 75524B104 35,749 316,954 SH   DFND   0 290,545 26,409
RLI CORP. COM 749607107 28,479 323,882 SH   DFND   0 296,125 27,757
SCHWAB CORP COM 808513105 2,279 67,795 SH   DFND   0 67,795 0
SENSIENT TECHNOLOGIES CORP COM 81725T100 15,916 365,793 SH   DFND   0 334,257 31,536
SERVICEMASTER GLOBAL HOLDINGS COM 81761R109 8,025 297,205 SH   DFND   0 297,205 0
SIMPSON MANUFACTURING COM 829073105 15,530 250,561 SH   DFND   0 229,035 21,526
STERIS PLC COM G8473T100 16,123 115,190 SH   DFND   0 115,190 0
SYNOPSYS INC. COM 871607107 25,637 199,060 SH   DFND   0 199,060 0
SYNOVUS FINANCIAL CORP. COM 87161C501 11,619 661,689 SH   DFND   0 604,838 56,851
TCF FINANCIAL CORP COM 872307103 33,990 1,500,009 SH   DFND   0 1,414,622 85,387
TD AMERITRADE HOLDING CORP. COM 87236Y108 3,505 101,138 SH   DFND   0 101,138 0
TELEDYNE INC. COM 879360105 48,698 163,819 SH   DFND   0 149,774 14,045
THERMON GROUP HOLDINGS INC COM 88362T103 7,021 465,924 SH   DFND   0 425,606 40,318
UGI CORP. COM 902681105 57,000 2,137,240 SH   DFND   0 2,021,350 115,890
UNITED COMMUNITY BANKS, INC. O COM 90984P303 15,966 872,001 SH   DFND   0 796,483 75,518
VISA INC-CLASS A SHARES COM 92826C839 3,039 18,863 SH   DFND   0 18,863 0
WASTE CONNECTIONS INC. COM 94106B101 36,083 465,584 SH   DFND   0 465,584 0
WATERS CORP. COM 941848103 2,225 12,222 SH   DFND   0 12,222 0
WESTERN ALLIANCE BANCORP COM 957638109 10,789 352,454 SH   DFND   0 352,454 0
WOODWARD INC. COM 980745103 47,616 801,073 SH   DFND   0 793,869 7,204