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
API GROUP CORP COM 00187Y100 48,073 1,865,466 SH   DFND   0 1,615,747 249,719
ADVANCED ENERGY INDUSTRIES, IN COM 007973100 38,509 422,900 SH   DFND   0 366,183 56,717
AGILYSYS INC. COM 00847J105 35,612 800,997 SH   DFND   0 693,808 107,189
ALLEGHANY CORP COM 017175100 17,014 25,485 SH   DFND   0 25,485 0
AMETEK INC. COM 031100100 73,818 502,027 SH   DFND   0 502,027 0
AMPHENOL CORP. CL A COM 032095101 71,685 819,631 SH   DFND   0 819,631 0
ANALOG DEVICES INC COM 032654105 28,877 164,290 SH   DFND   0 164,290 0
ATMOS ENERGY CORP. COM 049560105 13,174 125,738 SH   DFND   0 125,738 0
AVID BIOSERVICES INC. COM 05368M106 49,472 1,695,395 SH   DFND   0 1,468,449 226,946
BWX TECHNOLOGIES COM 05605H100 98,831 2,064,139 SH   DFND   0 1,997,130 67,009
BIO TECHNE CORP COM 09073M104 12,414 23,995 SH   DFND   0 23,995 0
BRINK'S CO, THE COM 109696104 21,385 326,135 SH   DFND   0 282,305 43,830
BRIXMOR PROPERTY GROUP, INC. COM 11120U105 69,890 2,750,474 SH   DFND   0 2,381,754 368,720
BROWN & BROWN INC. COM 115236101 31,456 447,578 SH   DFND   0 447,578 0
CACI INTERNATIONAL COM 127190304 78,526 291,690 SH   DFND   0 252,672 39,018
CMC MATERIALS INC. COM 12571T100 36,169 188,686 SH   DFND   0 163,433 25,253
CABOT CORP. COM 127055101 88,011 1,566,037 SH   DFND   0 1,412,416 153,621
CATALENT INC. COM 148806102 62,775 490,311 SH   DFND   0 490,311 0
CHARLES RIVER LABORATORIES COM 159864107 46,028 122,161 SH   DFND   0 122,161 0
CHARLES SCHWAB CORP COM 808513105 27,896 331,698 SH   DFND   0 331,698 0
CLEAN HARBORS INC. COM 184496107 170,795 1,711,892 SH   DFND   0 1,580,711 131,181
COGNEX CORP COM 192422103 30,478 391,956 SH   DFND   0 339,544 52,412
COHERENT INC. COM 192479103 21,443 80,450 SH   DFND   0 69,667 10,783
COPART INC. COM 217204106 33,695 222,234 SH   DFND   0 222,234 0
DORMAN PRODUCTS INC. COM 258278100 31,723 280,712 SH   DFND   0 243,219 37,493
EOG RESOURCES INC. COM 26875P101 11,006 123,894 SH   DFND   0 123,894 0
EMERGENT BIOSOLUTIONS INC COM 29089Q105 29,720 683,700 SH   DFND   0 592,292 91,408
ENTEGRIS INC. COM 29362U104 211,923 1,529,247 SH   DFND   0 1,421,092 108,155
FMC CORP COM 302491303 80,760 734,915 SH   DFND   0 734,915 0
FTI CONSULTING COM 302941109 25,282 164,790 SH   DFND   0 142,766 22,024
FIRST AMERICAN FINANCIAL COM 31847R102 24,290 310,495 SH   DFND   0 310,495 0
GLACIER BANCORP INC. COM 37637Q105 26,236 462,714 SH   DFND   0 400,856 61,858
GRACO INC. COM 384109104 74,740 927,070 SH   DFND   0 833,520 93,550
HALOZYME THERAPEUTICS INC. COM 40637H109 163,445 4,064,779 SH   DFND   0 3,747,917 316,862
HEICO CORP - CLASS A COM 422806208 80,901 629,479 SH   DFND   0 565,685 63,794
HELEN OF TROY LTD. COM G4388N106 98,840 404,302 SH   DFND   0 363,750 40,552
HENRY SCHEIN, INC. COM 806407102 61,629 794,901 SH   DFND   0 794,901 0
HEXCEL CORP COM 428291108 10,549 203,654 SH   DFND   0 203,654 0
HOSTESS BRANDS INC. COM 44109J106 55,061 2,696,430 SH   DFND   0 2,335,733 360,697
HUNTINGTON BANCSHARES INC. COM 446150104 30,691 1,990,365 SH   DFND   0 1,990,365 0
IAA INC. COM 449253103 55,792 1,102,171 SH   DFND   0 978,902 123,269
IDEX CORP. COM 45167R104 101,852 430,993 SH   DFND   0 384,837 46,156
II-VI INCORPORATED COM 902104108 34,088 498,879 SH   DFND   0 452,301 46,578
INGEVITY CORP COM 45688C107 34,573 482,188 SH   DFND   0 417,535 64,653
INGREDION INC. COM 457187102 110,673 1,145,209 SH   DFND   0 1,057,202 88,007
KBR, INC. COM 48242W106 114,058 2,395,173 SH   DFND   0 2,124,798 270,375
KAMAN CORP COM 483548103 12,643 293,011 SH   DFND   0 253,791 39,220
KAR AUCTION SERVICES INC. COM 48238T109 102,753 6,578,317 SH   DFND   0 6,098,284 480,033
KEYSIGHT TECHNOLOGIES COM 49338L103 28,376 137,409 SH   DFND   0 137,409 0
LKQ CORP COM 501889208 35,734 595,263 SH   DFND   0 595,263 0
LIGAND PHARMACEUTICALS COM 53220K504 23,791 154,026 SH   DFND   0 133,409 20,617
MARKEL CORP. COM 570535104 11,806 9,567 SH   DFND   0 9,567 0
MASTERCARD, INC. CL-A COM 57636Q104 23,769 66,149 SH   DFND   0 66,149 0
MERCURY SYSTEMS INC. COM 589378108 38,808 704,830 SH   DFND   0 609,582 95,248
MID-AMERICA APARTMENT COMMUNIT COM 59522J103 16,292 71,007 SH   DFND   0 71,007 0
MINERALS TECHNOLOGIES INC COM 603158106 25,416 347,453 SH   DFND   0 301,008 46,445
NATIONAL RETAIL PROPERTIES COM 637417106 25,504 530,558 SH   DFND   0 530,558 0
NELNET INC. CL A COM 64031N108 21,608 221,214 SH   DFND   0 191,362 29,852
PDF SOLUTIONS, INC. COM 693282105 39,488 1,242,160 SH   DFND   0 1,076,225 165,935
PACIFIC PREMIER BANCORP INC COM 69478X105 42,509 1,061,935 SH   DFND   0 919,670 142,265
POWER INTEGRATIONS INC. COM 739276103 79,760 858,647 SH   DFND   0 743,771 114,876
PROSPERITY BANCSHARES, INC. COM 743606105 70,106 969,659 SH   DFND   0 874,419 95,240
R1 RCM INC. COM 749397105 41,876 1,642,858 SH   DFND   0 1,423,038 219,820
RBC BEARINGS INC. COM 75524B104 91,267 451,885 SH   DFND   0 404,578 47,307
RLI CORP. COM 749607107 36,899 329,160 SH   DFND   0 285,158 44,002
SENSIENT TECHNOLOGIES CORP COM 81725T100 42,607 425,813 SH   DFND   0 368,913 56,900
SIMPSON MANUFACTURING COM 829073105 40,575 291,756 SH   DFND   0 252,754 39,002
STERIS PLC COM G8473T100 27,969 114,904 SH   DFND   0 114,904 0
SYNOPSYS INC. COM 871607107 55,359 150,228 SH   DFND   0 150,228 0
TEXAS PACIFIC LD CORP COM 88262P102 7,805 6,250 SH   DFND   0 6,250 0
UGI CORP. COM 902681105 171,035 3,725,448 SH   DFND   0 3,447,724 277,724
UNITED COMMUNITY BANKS, INC. O COM 90984P303 65,428 1,820,470 SH   DFND   0 1,576,992 243,478
VALVOLINE INC. COM 92047W101 27,439 735,818 SH   DFND   0 637,264 98,554
VISA INC-CLASS A SHARES COM 92826C839 21,317 98,368 SH   DFND   0 98,368 0
WASTE CONNECTIONS INC. COM 94106B101 93,189 683,854 SH   DFND   0 683,854 0
WESTERN ALLIANCE BANCORP COM 957638109 69,838 648,752 SH   DFND   0 648,752 0
WOODWARD INC. COM 980745103 76,243 696,541 SH   DFND   0 623,130 73,411