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
AMETEK INC. COM 031100100 67,884 509,715 SH   DFND   0 509,715 0
API GROUP CORP COM 00187Y100 38,303 1,821,337 SH   DFND   0 1,583,687 237,650
ADVANCED ENERGY INDUSTRIES, IN COM 007973100 35,636 413,987 SH   DFND   0 359,978 54,009
AGILYSYS INC. COM 00847J105 31,175 781,728 SH   DFND   0 679,724 102,004
ALLEGHANY CORP COM 017175100 20,938 24,720 SH   DFND   0 24,720 0
AMPHENOL CORP. CL A COM 032095101 63,460 842,203 SH   DFND   0 842,203 0
ANALOG DEVICES INC COM 032654105 32,560 197,119 SH   DFND   0 197,119 0
ATMOS ENERGY CORP. COM 049560105 11,199 93,720 SH   DFND   0 93,720 0
AVID BIOSERVICES INC. COM 05368M106 33,722 1,655,471 SH   DFND   0 1,439,470 216,001
BWX TECHNOLOGIES COM 05605H100 121,659 2,258,805 SH   DFND   0 2,184,864 73,941
BIO TECHNE CORP COM 09073M104 10,104 23,333 SH   DFND   0 23,333 0
BRINK'S CO, THE COM 109696104 21,708 319,231 SH   DFND   0 277,543 41,688
BRIXMOR PROPERTY GROUP, INC. COM 11120U105 69,299 2,684,986 SH   DFND   0 2,334,267 350,719
BROWN & BROWN INC. COM 115236101 31,376 434,146 SH   DFND   0 434,146 0
CACI INTERNATIONAL COM 127190304 85,774 284,717 SH   DFND   0 247,572 37,145
CMC MATERIALS INC. COM 12571T100 30,383 163,876 SH   DFND   0 142,486 21,390
CABOT CORP. COM 127055101 104,396 1,526,028 SH   DFND   0 1,379,740 146,288
CATALENT INC. COM 148806102 63,880 576,014 SH   DFND   0 576,014 0
CHARLES RIVER LABORATORIES COM 159864107 35,783 126,009 SH   DFND   0 126,009 0
CHARLES SCHWAB CORP COM 808513105 32,687 387,698 SH   DFND   0 387,698 0
CLEAN HARBORS INC. COM 184496107 204,268 1,829,705 SH   DFND   0 1,698,488 131,217
COGNEX CORP COM 192422103 29,514 382,551 SH   DFND   0 332,637 49,914
COPART INC. COM 217204106 28,473 226,930 SH   DFND   0 226,930 0
DORMAN PRODUCTS INC. COM 258278100 26,038 273,998 SH   DFND   0 238,287 35,711
EMERGENT BIOSOLUTIONS INC COM 29089Q105 8,389 204,300 SH   DFND   0 177,791 26,509
ENTEGRIS INC. COM 29362U104 199,451 1,519,508 SH   DFND   0 1,416,567 102,941
FMC CORP COM 302491303 94,102 715,222 SH   DFND   0 715,222 0
FTI CONSULTING COM 302941109 25,292 160,871 SH   DFND   0 139,893 20,978
FIRST AMERICAN FINANCIAL COM 31847R102 19,522 301,173 SH   DFND   0 301,173 0
GLACIER BANCORP INC. COM 37637Q105 22,709 451,657 SH   DFND   0 392,738 58,919
GRACO INC. COM 384109104 62,993 903,520 SH   DFND   0 814,417 89,103
HEICO CORP - CLASS A COM 422806208 77,803 613,444 SH   DFND   0 552,698 60,746
HALOZYME THERAPEUTICS INC. COM 40637H109 161,231 4,042,906 SH   DFND   0 3,741,318 301,588
HELEN OF TROY LTD. COM G4388N106 77,169 394,040 SH   DFND   0 355,436 38,604
HENRY SCHEIN, INC. COM 806407102 68,711 788,066 SH   DFND   0 788,066 0
HEXCEL CORP COM 428291108 11,754 197,653 SH   DFND   0 197,653 0
HOSTESS BRANDS INC. COM 44109J106 57,740 2,631,734 SH   DFND   0 2,288,374 343,360
HUNTINGTON BANCSHARES INC. COM 446150104 28,227 1,930,683 SH   DFND   0 1,930,683 0
IAA INC. COM 449253103 41,109 1,074,733 SH   DFND   0 957,346 117,387
IDEX CORP. COM 45167R104 80,561 420,178 SH   DFND   0 376,217 43,961
II-VI INCORPORATED COM 902104108 45,536 628,164 SH   DFND   0 571,133 57,031
IQVIA HOLDINGS INC. COM 46266C105 17,403 75,268 SH   DFND   0 75,268 0
INGEVITY CORP COM 45688C107 24,655 384,813 SH   DFND   0 334,595 50,218
INGREDION INC. COM 457187102 99,358 1,140,086 SH   DFND   0 1,056,347 83,739
KBR, INC. COM 48242W106 133,135 2,432,587 SH   DFND   0 2,175,428 257,159
KAR AUCTION SERVICES INC. COM 48238T109 89,475 4,957,081 SH   DFND   0 4,518,175 438,906
KEYSIGHT TECHNOLOGIES COM 49338L103 21,054 133,276 SH   DFND   0 133,276 0
LKQ CORP COM 501889208 26,220 577,411 SH   DFND   0 577,411 0
LIGAND PHARMACEUTICALS COM 53220K504 16,916 150,376 SH   DFND   0 130,755 19,621
MARKEL CORP. COM 570535104 13,729 9,306 SH   DFND   0 9,306 0
MASTERCARD, INC. CL-A COM 57636Q104 25,983 72,703 SH   DFND   0 72,703 0
MCGRATH RENTCORP COM 580589109 8,963 105,473 SH   DFND   0 91,213 14,260
MERCURY SYSTEMS INC. COM 589378108 46,967 728,738 SH   DFND   0 633,650 95,088
MID-AMERICA APARTMENT COMMUNIT COM 59522J103 10,864 51,868 SH   DFND   0 51,868 0
MINERALS TECHNOLOGIES INC COM 603158106 22,435 339,146 SH   DFND   0 294,907 44,239
NATIONAL RETAIL PROPERTIES COM 637417106 23,133 514,764 SH   DFND   0 514,764 0
NELNET INC. CL A COM 64031N108 20,597 242,344 SH   DFND   0 210,723 31,621
PDF SOLUTIONS, INC. COM 693282105 33,787 1,212,319 SH   DFND   0 1,054,289 158,030
PACIFIC PREMIER BANCORP INC COM 69478X105 36,748 1,039,556 SH   DFND   0 904,003 135,553
POWER INTEGRATIONS INC. COM 739276103 77,672 838,068 SH   DFND   0 728,659 109,409
PROSPERITY BANCSHARES, INC. COM 743606105 65,557 944,900 SH   DFND   0 854,226 90,674
R1 RCM INC. COM 749397105 42,908 1,603,429 SH   DFND   0 1,394,197 209,232
RBC BEARINGS INC. COM 75524B104 87,863 453,184 SH   DFND   0 408,176 45,008
RLI CORP. COM 749607107 35,543 321,276 SH   DFND   0 279,367 41,909
STERIS PLC COM G8473T100 26,946 111,455 SH   DFND   0 111,455 0
SENSIENT TECHNOLOGIES CORP COM 81725T100 34,892 415,630 SH   DFND   0 361,436 54,194
SIMPSON MANUFACTURING COM 829073105 31,048 284,737 SH   DFND   0 247,597 37,140
SYNOPSYS INC. COM 871607107 48,561 145,711 SH   DFND   0 145,711 0
TEXAS PACIFIC LD CORP COM 88262P102 8,240 6,094 SH   DFND   0 6,094 0
UGI CORP. COM 902681105 134,311 3,708,207 SH   DFND   0 3,443,701 264,506
UNITED COMMUNITY BANKS, INC. O COM 90984P303 61,836 1,776,905 SH   DFND   0 1,545,101 231,804
VALVOLINE INC. COM 92047W101 26,894 852,148 SH   DFND   0 740,949 111,199
VISA INC-CLASS A SHARES COM 92826C839 23,970 108,086 SH   DFND   0 108,086 0
WASTE CONNECTIONS INC. COM 94106B101 97,666 699,115 SH   DFND   0 699,115 0
WESTERN ALLIANCE BANCORP COM 957638109 54,584 659,062 SH   DFND   0 659,062 0
WOODWARD INC. COM 980745103 85,029 680,719 SH   DFND   0 610,987 69,732