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 8,823 203,053 SH   DFND   1,098 175,589 26,366
AMETEK INC. COM 031100100 15,655 216,944 SH   DFND   22,096 194,848 0
AMPHENOL CORP. CL A COM 032095101 21,399 245,543 SH   DFND   26,866 218,677 0
ANALOG DEVICES INC COM 032654105 3,297 34,372 SH   DFND   5,592 28,780 0
BWX TECHNOLOGIES COM 05605H100 14,065 225,686 SH   DFND   22,992 202,694 0
BIO TECHNE CORP COM 09073M104 4,798 32,432 SH   DFND   3,306 29,126 0
CABOT CORP. COM 127055101 51,514 833,969 SH   DFND   20,698 724,730 88,541
CABOT MICROELECTRONICS COM 12709P103 30,158 280,385 SH   DFND   1,522 241,458 37,405
CHARLES RIVER LABORATORIES COM 159864107 7,939 70,724 SH   DFND   7,205 63,519 0
CHEMICAL FINANCIAL CORP COM 163731102 40,735 731,720 SH   DFND   24,649 638,329 68,742
CLEAN HARBORS INC. COM 184496107 62,858 1,131,564 SH   DFND   40,970 984,448 106,146
COGNEX CORP COM 192422103 28,009 627,863 SH   DFND   3,400 540,841 83,622
COPART INC. COM 217204106 102,076 1,804,737 SH   DFND   51,172 1,567,216 186,349
CORE LABORATORIES N.V. COM N22717107 4,505 35,698 SH   DFND   3,636 32,062 0
COVANTA HOLDING CORP COM 22282E102 32,624 1,977,225 SH   DFND   33,277 1,713,160 230,788
DOLLAR TREE INC. COM 256746108 15,581 183,304 SH   DFND   20,476 162,828 0
DORMAN PRODUCTS INC. COM 258278100 28,897 423,031 SH   DFND   2,299 364,683 56,049
EOG RESOURCES INC. COM 26875P101 1,851 14,879 SH   DFND   2,872 12,007 0
EMERGENT BIOSOLUTIONS INC COM 29089Q105 57,196 1,132,822 SH   DFND   13,982 974,569 144,271
ENTEGRIS INC. COM 29362U104 100,922 2,977,058 SH   DFND   93,040 2,585,592 298,426
ESTERLINE TECHNOLOGIES CORP COM 297425100 31,451 426,165 SH   DFND   2,460 391,161 32,544
FCB FINANCIAL HOLDING CL A COM 30255G103 35,890 610,382 SH   DFND   3,304 526,270 80,808
FMC CORP COM 302491303 23,206 260,128 SH   DFND   28,859 231,269 0
GENESEE & WYOMING INC-CL A COM 371559105 52,429 644,726 SH   DFND   20,544 561,834 62,348
GRACO INC. COM 384109104 66,967 1,480,913 SH   DFND   31,029 1,284,744 165,140
HALOZYME THERAPEUTICS INC. COM 40637H109 40,081 2,375,876 SH   DFND   63,077 2,064,616 248,183
HEICO CORP - CLASS A COM 422806208 97,241 1,595,430 SH   DFND   41,360 1,457,113 96,957
HELEN OF TROY LTD. COM G4388N106 48,261 490,207 SH   DFND   13,169 426,331 50,707
HENRY SCHEIN, INC. COM 806407102 13,867 190,896 SH   DFND   21,229 169,667 0
HEXCEL CORP COM 428291108 12,088 182,107 SH   DFND   18,486 163,621 0
HOSTESS BRANDS INC. COM 44109J106 23,447 1,724,032 SH   DFND   9,341 1,484,692 229,999
IDEX CORP. COM 45167R104 80,521 589,983 SH   DFND   13,595 511,108 65,280
INGREDION INC. COM 457187102 75,515 682,155 SH   DFND   22,104 592,050 68,001
KEYW HOLDING CORPORATION COM 493723100 13,388 1,531,784 SH   DFND   8,297 1,321,644 201,843
KAMAN CORP COM 483548103 31,455 451,360 SH   DFND   2,604 414,121 34,635
KAR AUCTION SERVICES INC. COM 48238T109 106,426 1,942,083 SH   DFND   59,866 1,685,946 196,271
KEYSIGHT TECHNOLOGIES COM 49338L103 9,705 164,402 SH   DFND   16,695 147,707 0
LKQ CORP COM 501889208 12,361 387,493 SH   DFND   39,336 348,157 0
LEGACYTEXAS FINANCIAL GROUP, I COM 52471Y106 37,288 955,607 SH   DFND   22,938 830,366 102,303
MARKEL CORP. COM 570535104 5,692 5,249 SH   DFND   534 4,715 0
MASONITE INTL CORP COM 575385109 16,572 230,650 SH   DFND   1,255 198,600 30,795
MASTERCARD, INC. CL-A COM 57636Q104 3,528 17,954 SH   DFND   2,917 15,037 0
MEDTRONIC PLC COM G5960L103 2,956 34,530 SH   DFND   5,618 28,912 0
MERCURY SYSTEMS INC. COM 589378108 12,527 329,126 SH   DFND   1,895 302,027 25,204
MID-AMERICA APARTMENT COMMUNIT COM 59522J103 7,888 78,354 SH   DFND   7,984 70,370 0
MINERALS TECHNOLOGIES INC COM 603158106 20,876 277,059 SH   DFND   1,503 238,684 36,872
NATIONAL PRESTO IND INC. COM 637215104 9,144 73,742 SH   DFND   426 68,360 4,956
O'REILLY AUTOMOTIVE INC. COM 67103H107 2,769 10,122 SH   DFND   1,647 8,475 0
OMNICELL INC. COM 68213N109 5,723 109,113 SH   DFND   730 93,305 15,078
PDF SOLUTIONS, INC. COM 693282105 16,439 1,372,204 SH   DFND   7,455 1,181,868 182,881
POWER INTEGRATIONS INC. COM 739276103 35,677 488,394 SH   DFND   2,663 421,298 64,433
RBC BEARINGS INC. COM 75524B104 75,041 582,570 SH   DFND   3,158 501,725 77,687
RLI CORP. COM 749607107 27,711 418,663 SH   DFND   2,278 360,725 55,660
SRC ENERGY INC. COM 78470V108 23,106 2,096,724 SH   DFND   11,354 1,807,394 277,976
SENSIENT TECHNOLOGIES CORP COM 81725T100 31,676 442,711 SH   DFND   2,400 381,405 58,906
SERVICEMASTER GLOBAL HOLDING COM 81761R109 11,509 193,532 SH   DFND   19,716 173,816 0
SIMPSON MANUFACTURING COM 829073105 38,428 617,914 SH   DFND   3,348 531,590 82,976
STERIS CORP. COM G84720104 11,629 110,745 SH   DFND   11,282 99,463 0
SYNOPSYS INC. COM 871607107 11,884 138,876 SH   DFND   14,141 124,735 0
TD AMERITRADE HOLDING CORP. COM 87236Y108 9,969 182,012 SH   DFND   21,448 160,564 0
TAPESTRY, INC. COM 876030107 1,248 26,712 SH   DFND   4,344 22,368 0
TELEDYNE INC. COM 879360105 55,163 277,117 SH   DFND   1,507 239,716 35,894
THERMON GROUP HOLDINGS INC COM 88362T103 9,823 429,532 SH   DFND   2,329 369,994 57,209
UGI CORP. COM 902681105 78,735 1,512,105 SH   DFND   44,688 1,311,636 155,781
UNITED COMMUNITY BANKS, INC. O COM 90984P303 29,164 950,907 SH   DFND   5,133 819,190 126,584
VALMONT INDUSTRIES, INC. COM 920253101 4,323 28,679 SH   DFND   2,922 25,757 0
VISA INC-CLASS A SHARES COM 92826C839 3,382 25,534 SH   DFND   4,145 21,389 0
WASTE CONNECTIONS INC. COM 94106B101 27,434 364,430 SH   DFND   40,710 323,720 0
WATERS CORP. COM 941848103 2,834 14,637 SH   DFND   2,392 12,245 0
WESTERN ALLIANCE BANCORP COM 957638109 9,718 171,673 SH   DFND   19,439 152,234 0
WOODWARD INC. COM 980745103 65,288 849,446 SH   DFND   22,399 775,750 51,297