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
AZZ INC COM 002474104 10,048 198,964 SH   DFND   1,098 171,328 26,538
AMETEK INC. COM 031100100 18,677 236,060 SH   DFND   21,896 214,164 0
AMPHENOL CORP. CL A COM 032095101 24,929 265,145 SH   DFND   26,715 238,430 0
ANALOG DEVICES INC COM 032654105 3,250 35,147 SH   DFND   5,646 29,501 0
AVID BIOSERVICES INC. COM 05368M106 13,013 1,896,878 SH   DFND   10,056 1,632,367 254,455
BWX TECHNOLOGIES COM 05605H100 15,358 245,575 SH   DFND   22,783 222,792 0
BIO TECHNE CORP COM 09073M104 5,594 27,406 SH   DFND   2,545 24,861 0
CABOT CORP. COM 127055101 52,414 835,684 SH   DFND   20,560 726,080 89,044
CABOT MICROELECTRONICS COM 12709P103 28,377 275,053 SH   DFND   1,522 235,922 37,609
CHARLES RIVER LABORATORIES COM 159864107 10,354 76,957 SH   DFND   7,140 69,817 0
CHEMICAL FINANCIAL CORP COM 163731102 40,821 764,438 SH   DFND   24,582 667,471 72,385
CLEAN HARBORS INC. COM 184496107 81,732 1,141,832 SH   DFND   40,773 994,332 106,727
COGNEX CORP COM 192422103 34,358 615,518 SH   DFND   3,400 528,053 84,065
COHERENT INC. COM 192479103 17,591 102,163 SH   DFND   564 87,714 13,885
COPART INC. COM 217204106 84,299 1,635,926 SH   DFND   41,768 1,417,088 177,070
COVANTA HOLDING CORP COM 22282E102 23,333 1,435,904 SH   DFND   7,942 1,233,589 194,373
DOLLAR TREE INC. COM 256746108 16,108 197,517 SH   DFND   20,381 177,136 0
DORMAN PRODUCTS INC. COM 258278100 31,947 415,333 SH   DFND   2,299 356,682 56,352
EOG RESOURCES INC. COM 26875P101 1,914 15,000 SH   DFND   2,899 12,101 0
EMERGENT BIOSOLUTIONS INC COM 29089Q105 73,282 1,113,198 SH   DFND   14,060 954,102 145,036
ENTEGRIS INC. COM 29362U104 93,053 3,214,277 SH   DFND   103,303 2,798,662 312,312
ESTERLINE TECHNOLOGIES CORP COM 297425100 37,877 416,457 SH   DFND   2,460 381,619 32,378
FCB FINANCIAL HOLDING CL A COM 30255G103 32,112 677,475 SH   DFND   3,740 581,421 92,314
FMC CORP COM 302491303 24,454 280,496 SH   DFND   28,715 251,781 0
GENESEE & WYOMING INC-CL A COM 371559105 59,258 651,261 SH   DFND   20,381 568,163 62,717
GRACO INC. COM 384109104 65,003 1,402,747 SH   DFND   30,392 1,216,908 155,447
HALOZYME THERAPEUTICS INC. COM 40637H109 43,378 2,387,350 SH   DFND   62,597 2,074,998 249,755
HEICO CORP - CLASS A COM 422806208 106,459 1,410,053 SH   DFND   37,815 1,288,699 83,539
HELEN OF TROY LTD. COM G4388N106 64,451 492,365 SH   DFND   13,069 428,307 50,989
HENRY SCHEIN, INC. COM 806407102 17,491 205,703 SH   DFND   21,128 184,575 0
HEXCEL CORP COM 428291108 13,282 198,085 SH   DFND   18,387 179,698 0
HOSTESS BRANDS INC. COM 44109J106 18,714 1,690,522 SH   DFND   9,341 1,449,948 231,233
IDEX CORP. COM 45167R104 81,389 540,217 SH   DFND   11,365 467,006 61,846
INGREDION INC. COM 457187102 72,176 687,653 SH   DFND   22,062 597,234 68,357
KEYW HOLDING CORPORATION COM 493723100 12,999 1,501,012 SH   DFND   8,297 1,289,670 203,045
KAMAN CORP COM 483548103 29,475 441,376 SH   DFND   2,604 404,330 34,442
KAR AUCTION SERVICES INC. COM 48238T109 113,364 1,899,217 SH   DFND   59,452 1,650,329 189,436
KEYSIGHT TECHNOLOGIES COM 49338L103 11,853 178,839 SH   DFND   16,604 162,235 0
LKQ CORP COM 501889208 13,349 421,508 SH   DFND   39,127 382,381 0
LEGACYTEXAS FINANCIAL GROUP, I COM 52471Y106 40,739 956,320 SH   DFND   22,767 830,691 102,862
MARKEL CORP. COM 570535104 6,779 5,704 SH   DFND   529 5,175 0
MASONITE INTL CORP COM 575385109 14,506 226,304 SH   DFND   1,255 194,080 30,969
MASTERCARD, INC. CL-A COM 57636Q104 4,082 18,339 SH   DFND   2,945 15,394 0
MEDTRONIC PLC COM G5960L103 3,473 35,309 SH   DFND   5,672 29,637 0
MERCURY SYSTEMS INC. COM 589378108 17,766 321,142 SH   DFND   1,895 294,172 25,075
MID-AMERICA APARTMENT COMMUNIT COM 59522J103 8,541 85,261 SH   DFND   7,912 77,349 0
MINERALS TECHNOLOGIES INC COM 603158106 18,361 271,616 SH   DFND   1,503 233,038 37,075
NATIONAL PRESTO IND INC. COM 637215104 9,351 72,126 SH   DFND   426 66,744 4,956
O'REILLY AUTOMOTIVE INC. COM 67103H107 2,861 8,237 SH   DFND   1,323 6,914 0
PDF SOLUTIONS, INC. COM 693282105 12,163 1,346,941 SH   DFND   7,455 1,155,571 183,915
POWER INTEGRATIONS INC. COM 739276103 30,296 479,371 SH   DFND   2,663 411,952 64,756
RBC BEARINGS INC. COM 75524B104 82,870 551,141 SH   DFND   3,023 472,955 75,163
RLI CORP. COM 749607107 32,240 410,288 SH   DFND   2,278 352,059 55,951
SRC ENERGY INC. COM 78470V108 22,264 2,504,401 SH   DFND   13,829 2,149,255 341,317
SENSIENT TECHNOLOGIES CORP COM 81725T100 33,192 433,831 SH   DFND   2,400 372,210 59,221
SERVICEMASTER GLOBAL HOLDINGS COM 81761R109 13,063 210,589 SH   DFND   19,537 191,052 0
SIMPSON MANUFACTURING COM 829073105 43,921 606,141 SH   DFND   3,348 519,367 83,426
STERIS CORP. COM G84720104 13,786 120,506 SH   DFND   11,180 109,326 0
SYNOPSYS INC. COM 871607107 14,901 151,109 SH   DFND   14,013 137,096 0
TD AMERITRADE HOLDING CORP. COM 87236Y108 10,293 194,825 SH   DFND   21,398 173,427 0
TAPESTRY, INC. COM 876030107 1,372 27,300 SH   DFND   4,385 22,915 0
TELEDYNE INC. COM 879360105 66,998 271,600 SH   DFND   1,507 234,018 36,075
THERMON GROUP HOLDINGS INC COM 88362T103 10,856 421,098 SH   DFND   2,329 361,259 57,510
UGI CORP. COM 902681105 84,082 1,515,546 SH   DFND   44,521 1,314,422 156,603
UNITED COMMUNITY BANKS, INC. O COM 90984P303 29,453 1,056,041 SH   DFND   5,831 906,280 143,930
VALMONT INDUSTRIES, INC. COM 920253101 4,322 31,206 SH   DFND   2,895 28,311 0
VISA INC-CLASS A SHARES COM 92826C839 3,913 26,074 SH   DFND   4,184 21,890 0
WASTE CONNECTIONS INC. COM 94106B101 31,322 392,656 SH   DFND   40,519 352,137 0
WATERS CORP. COM 941848103 2,926 15,032 SH   DFND   2,415 12,617 0
WESTERN ALLIANCE BANCORP COM 957638109 13,839 243,254 SH   DFND   25,174 218,080 0
WOODWARD INC. COM 980745103 68,800 850,856 SH   DFND   22,230 777,631 50,995