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
ADVANCED DISPOSAL SERVICES COM 00790X101 4,111 128,833 SH   DFND   777 110,756 17,300
AMETEK INC. COM 031100100 22,580 248,574 SH   DFND   25,588 222,986 0
AMPHENOL CORP. CL A COM 032095101 21,837 227,611 SH   DFND   23,901 203,710 0
ANALOG DEVICES INC COM 032654105 3,958 35,071 SH   DFND   5,697 29,374 0
AVID BIOSERVICES INC. COM 05368M106 12,557 2,242,292 SH   DFND   13,550 1,929,013 299,729
BWX TECHNOLOGIES COM 05605H100 46,984 901,805 SH   DFND   41,222 818,628 41,955
BIO TECHNE CORP COM 09073M104 5,579 26,760 SH   DFND   2,566 24,194 0
BRIXMOR PROPERTY GROUP, INC. COM 11120U105 17,930 1,002,804 SH   DFND   6,051 862,204 134,549
CACI INTERNATIONAL COM 127190304 34,268 167,494 SH   DFND   1,006 143,971 22,517
CBOE GLOBAL MARKETS INC COM 12503M108 10,046 96,943 SH   DFND   9,292 87,651 0
CABOT CORP. COM 127055101 51,640 1,082,363 SH   DFND   26,558 939,714 116,091
CABOT MICROELECTRONICS COM 12709P103 27,815 252,676 SH   DFND   1,522 216,897 34,257
CATALENT INC. COM 148806102 12,969 239,241 SH   DFND   22,896 216,345 0
CHARLES RIVER LABORATORIES COM 159864107 10,280 72,445 SH   DFND   6,943 65,502 0
CHEMICAL FINANCIAL CORP COM 163731102 46,542 1,132,139 SH   DFND   32,150 986,842 113,147
CLEAN HARBORS INC. COM 184496107 75,415 1,060,691 SH   DFND   40,542 922,652 97,497
COGNEX CORP COM 192422103 27,100 564,819 SH   DFND   3,400 485,682 75,737
COHERENT INC. COM 192479103 17,745 130,126 SH   DFND   787 112,016 17,323
COPART INC. COM 217204106 68,052 910,519 SH   DFND   23,770 787,485 99,264
COVANTA HOLDING CORP COM 22282E102 23,584 1,316,782 SH   DFND   7,942 1,130,655 178,185
DOLLAR TREE INC. COM 256746108 20,146 187,594 SH   DFND   19,997 167,597 0
DORMAN PRODUCTS INC. COM 258278100 24,295 278,799 SH   DFND   1,675 238,854 38,270
EOG RESOURCES INC. COM 26875P101 1,648 17,690 SH   DFND   3,458 14,232 0
EMERGENT BIOSOLUTIONS INC COM 29089Q105 47,669 986,728 SH   DFND   12,674 847,353 126,701
ENTEGRIS INC. COM 29362U104 109,894 2,944,628 SH   DFND   108,786 2,560,819 275,023
FMC CORP COM 302491303 25,484 307,220 SH   DFND   32,509 274,711 0
GENESEE & WYOMING INC-CL A COM 371559105 60,162 601,615 SH   DFND   19,888 524,990 56,737
GRACO INC. COM 384109104 57,162 1,139,134 SH   DFND   28,806 989,415 120,913
HALOZYME THERAPEUTICS INC. COM 40637H109 46,884 2,729,005 SH   DFND   77,190 2,370,787 281,028
HEICO CORP - CLASS A COM 422806208 93,367 903,233 SH   DFND   24,064 826,362 52,807
HELEN OF TROY LTD. COM G4388N106 53,772 411,759 SH   DFND   10,953 357,854 42,952
HENRY SCHEIN, INC. COM 806407102 16,124 230,668 SH   DFND   24,483 206,185 0
HEXCEL CORP COM 428291108 15,088 186,550 SH   DFND   17,880 168,670 0
HOSTESS BRANDS INC. COM 44109J106 24,061 1,666,251 SH   DFND   10,051 1,432,529 223,671
IAA INC. COM 449253103 87,841 2,265,113 SH   DFND   78,017 1,968,641 218,455
IDEX CORP. COM 45167R104 78,866 458,152 SH   DFND   8,407 396,538 53,207
INGEVITY CORP COM 45688C107 20,088 191,008 SH   DFND   1,149 164,410 25,449
INGREDION INC. COM 457187102 52,456 635,904 SH   DFND   21,685 552,860 61,359
KAMAN CORP COM 483548103 25,707 403,631 SH   DFND   2,604 370,494 30,533
KAR AUCTION SERVICES INC. COM 48238T109 78,326 3,133,049 SH   DFND   106,719 2,724,037 302,293
KEYSIGHT TECHNOLOGIES COM 49338L103 11,939 132,940 SH   DFND   12,727 120,213 0
LKQ CORP COM 501889208 12,150 456,596 SH   DFND   43,792 412,804 0
LEGACYTEXAS FINANCIAL GROUP, I COM 52471Y106 32,625 801,388 SH   DFND   21,762 696,571 83,055
LIVENT CORP COM 53814L108 8,941 1,292,031 SH   DFND   29,750 1,124,155 138,126
MARKEL CORP. COM 570535104 5,853 5,372 SH   DFND   515 4,857 0
MASTERCARD, INC. CL-A COM 57636Q104 3,752 14,183 SH   DFND   2,303 11,880 0
MEDTRONIC PLC COM G5960L103 3,431 35,232 SH   DFND   5,723 29,509 0
MERCURY SYSTEMS INC. COM 589378108 16,676 237,042 SH   DFND   1,527 217,599 17,916
MID-AMERICA APARTMENT COMMUNIT COM 59522J103 9,454 80,280 SH   DFND   7,694 72,586 0
MINERALS TECHNOLOGIES INC COM 603158106 16,528 308,881 SH   DFND   1,866 265,526 41,489
NATIONAL PRESTO IND INC. COM 637215104 6,138 65,794 SH   DFND   426 61,329 4,039
O'REILLY AUTOMOTIVE INC. COM 67103H107 1,662 4,500 SH   DFND   731 3,769 0
PDF SOLUTIONS, INC. COM 693282105 16,152 1,231,086 SH   DFND   7,455 1,059,941 163,690
POWER INTEGRATIONS INC. COM 739276103 34,709 432,887 SH   DFND   2,663 370,769 59,455
RBC BEARINGS INC. COM 75524B104 64,957 389,408 SH   DFND   2,365 337,029 50,014
RLI CORP. COM 749607107 32,118 374,732 SH   DFND   2,278 321,644 50,810
SRC ENERGY INC. COM 78470V108 12,800 2,580,631 SH   DFND   15,681 2,219,734 345,216
SENSIENT TECHNOLOGIES CORP COM 81725T100 29,282 398,500 SH   DFND   2,400 341,051 55,049
SERVICEMASTER GLOBAL HOLDINGS COM 81761R109 10,326 198,241 SH   DFND   18,999 179,242 0
SIMPSON MANUFACTURING COM 829073105 36,914 555,427 SH   DFND   3,348 476,811 75,268
STERIS PLC COM G8473T100 13,918 93,483 SH   DFND   8,962 84,521 0
SYNOPSYS INC. COM 871607107 18,293 142,149 SH   DFND   13,626 128,523 0
SYNOVUS FINANCIAL CORP. COM 87161C501 28,105 803,005 SH   DFND   4,852 690,913 107,240
TD AMERITRADE HOLDING CORP. COM 87236Y108 9,761 195,523 SH   DFND   22,633 172,890 0
TAPESTRY, INC. COM 876030107 864 27,238 SH   DFND   4,425 22,813 0
TELEDYNE INC. COM 879360105 62,444 228,006 SH   DFND   1,373 195,691 30,942
THERMON GROUP HOLDINGS INC COM 88362T103 11,423 445,345 SH   DFND   2,680 381,838 60,827
UGI CORP. COM 902681105 69,564 1,302,456 SH   DFND   40,398 1,131,240 130,818
UNITED COMMUNITY BANKS, INC. O COM 90984P303 26,946 943,479 SH   DFND   5,691 811,137 126,651
VISA INC-CLASS A SHARES COM 92826C839 3,461 19,942 SH   DFND   3,239 16,703 0
WASTE CONNECTIONS INC. COM 94106B101 35,452 370,914 SH   DFND   39,428 331,486 0
WATERS CORP. COM 941848103 2,525 11,733 SH   DFND   1,907 9,826 0
WESTERN ALLIANCE BANCORP COM 957638109 12,589 281,517 SH   DFND   30,093 251,424 0
WOODWARD INC. COM 980745103 90,221 797,290 SH   DFND   23,148 728,960 45,182