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 66,703 588,160 SH   DFND   0 588,160 0
API GROUP CORP COM 00187Y100 28,865 2,175,215 SH   DFND   0 1,938,739 236,476
ADVANCED ENERGY INDUSTRIES, IN COM 007973100 38,241 494,001 SH   DFND   0 440,276 53,725
AGILYSYS INC. COM 00847J105 47,049 850,021 SH   DFND   0 757,519 92,502
AMPHENOL CORP. CL A COM 032095101 65,308 975,333 SH   DFND   0 975,333 0
ANALOG DEVICES INC COM 032654105 33,566 240,893 SH   DFND   0 240,893 0
AVID BIOSERVICES INC. COM 05368M106 37,792 1,976,560 SH   DFND   0 1,761,608 214,952
BWX TECHNOLOGIES COM 05605H100 136,332 2,706,613 SH   DFND   0 2,632,975 73,638
BIO TECHNE CORP COM 09073M104 8,867 31,222 SH   DFND   0 31,222 0
BRINK'S CO, THE COM 109696104 18,451 380,903 SH   DFND   0 339,478 41,425
BRIXMOR PROPERTY GROUP, INC. COM 11120U105 59,217 3,206,092 SH   DFND   0 2,857,543 348,549
BROWN & BROWN INC. COM 115236101 32,280 533,737 SH   DFND   0 533,737 0
CACI INTERNATIONAL COM 127190304 95,743 366,749 SH   DFND   0 326,842 39,907
CABOT CORP. COM 127055101 114,274 1,788,612 SH   DFND   0 1,643,083 145,529
CATALENT INC. COM 148806102 50,635 699,771 SH   DFND   0 699,771 0
CHARLES RIVER LABORATORIES COM 159864107 30,011 152,493 SH   DFND   0 152,493 0
CHARLES SCHWAB CORP COM 808513105 34,037 473,587 SH   DFND   0 473,587 0
CLEAN HARBORS INC. COM 184496107 238,909 2,172,294 SH   DFND   0 2,043,868 128,426
COGNEX CORP COM 192422103 27,557 664,828 SH   DFND   0 592,495 72,333
COHERENT CORP COM 19247G107 36,536 1,048,365 SH   DFND   0 967,622 80,743
COPART INC. COM 217204106 42,058 395,281 SH   DFND   0 395,281 0
DOLBY LABORATORIES INC. CL A COM 25659T107 15,445 237,072 SH   DFND   0 237,072 0
DORMAN PRODUCTS INC. COM 258278100 26,851 326,971 SH   DFND   0 291,441 35,530
ENTEGRIS INC. COM 29362U104 154,021 1,855,233 SH   DFND   0 1,743,930 111,303
FMC CORP COM 302491303 88,005 832,596 SH   DFND   0 832,596 0
FTI CONSULTING COM 302941109 41,074 247,865 SH   DFND   0 220,895 26,970
FIRST AMERICAN FINANCIAL COM 31847R102 15,460 335,358 SH   DFND   0 335,358 0
GLACIER BANCORP INC. COM 37637Q105 26,483 539,041 SH   DFND   0 480,424 58,617
GRACO INC. COM 384109104 63,596 1,060,816 SH   DFND   0 972,163 88,653
HEICO CORP - CLASS A COM 422806208 84,944 741,096 SH   DFND   0 680,668 60,428
HALOZYME THERAPEUTICS INC. COM 40637H109 174,724 4,418,928 SH   DFND   0 4,129,936 288,992
HELEN OF TROY LTD. COM G4388N106 52,117 540,409 SH   DFND   0 493,495 46,914
HENRY SCHEIN, INC. COM 806407102 60,266 916,313 SH   DFND   0 916,313 0
HEXCEL CORP COM 428291108 11,379 220,005 SH   DFND   0 220,005 0
HOSTESS BRANDS INC. COM 44109J106 74,405 3,201,583 SH   DFND   0 2,853,307 348,276
HUNTINGTON BANCSHARES INC. COM 446150104 31,158 2,364,038 SH   DFND   0 2,364,038 0
IAA INC. COM 449253103 46,248 1,452,049 SH   DFND   0 1,318,923 133,126
IDEX CORP. COM 45167R104 98,899 494,868 SH   DFND   0 451,130 43,738
IQVIA HOLDINGS INC. COM 46266C105 21,160 116,816 SH   DFND   0 116,816 0
INGEVITY CORP COM 45688C107 27,880 459,846 SH   DFND   0 409,835 50,011
INGREDION INC. COM 457187102 112,136 1,392,652 SH   DFND   0 1,309,406 83,246
KBR, INC. COM 48242W106 127,652 2,953,543 SH   DFND   0 2,697,993 255,550
KAR AUCTION SERVICES INC. COM 48238T109 64,666 5,789,280 SH   DFND   0 5,352,490 436,790
KEYSIGHT TECHNOLOGIES COM 49338L103 23,356 148,425 SH   DFND   0 148,425 0
LKQ CORP COM 501889208 30,322 643,095 SH   DFND   0 643,095 0
MARKEL CORP. COM 570535104 11,189 10,320 SH   DFND   0 10,320 0
MASTERCARD, INC. CL-A COM 57636Q104 25,263 88,849 SH   DFND   0 88,849 0
MCGRATH RENTCORP COM 580589109 32,093 382,700 SH   DFND   0 341,059 41,641
MERCURY SYSTEMS INC. COM 589378108 36,126 889,793 SH   DFND   0 792,990 96,803
MID-AMERICA APARTMENT COMMUNIT COM 59522J103 8,954 57,741 SH   DFND   0 57,741 0
MINERALS TECHNOLOGIES INC COM 603158106 25,983 525,872 SH   DFND   0 468,660 57,212
NATIONAL RETAIL PROPERTIES COM 637417106 25,442 638,289 SH   DFND   0 638,289 0
NELNET INC. CL A COM 64031N108 22,914 289,356 SH   DFND   0 257,888 31,468
PDF SOLUTIONS, INC. COM 693282105 35,490 1,446,818 SH   DFND   0 1,289,594 157,224
PACIFIC PREMIER BANCORP INC COM 69478X105 38,416 1,240,825 SH   DFND   0 1,105,901 134,924
POWER INTEGRATIONS INC. COM 739276103 64,324 1,000,065 SH   DFND   0 891,216 108,849
PROSPERITY BANCSHARES, INC. COM 743606105 73,873 1,107,876 SH   DFND   0 1,017,668 90,208
R1 RCM INC. COM 77634L105 42,094 2,271,645 SH   DFND   0 2,024,465 247,180
RBC BEARINGS INC. COM 75524B104 86,499 416,242 SH   DFND   0 380,819 35,423
RLI CORP. COM 749607107 39,265 383,519 SH   DFND   0 341,825 41,694
STERIS PLC COM G8473T100 20,645 124,160 SH   DFND   0 124,160 0
SENSIENT TECHNOLOGIES CORP COM 81725T100 34,392 495,986 SH   DFND   0 442,065 53,921
SIMPSON MANUFACTURING COM 829073105 26,637 339,755 SH   DFND   0 302,812 36,943
SYNOPSYS INC. COM 871607107 49,581 162,289 SH   DFND   0 162,289 0
UGI CORP. COM 902681105 141,251 4,369,023 SH   DFND   0 4,105,859 263,164
UNITED COMMUNITY BANKS, INC. O COM 90984P303 77,429 2,339,250 SH   DFND   0 2,084,830 254,420
VALVOLINE INC. COM 92047W101 32,411 1,279,052 SH   DFND   0 1,139,889 139,163
VISA INC-CLASS A SHARES COM 92826C839 23,453 132,019 SH   DFND   0 132,019 0
WASTE CONNECTIONS INC. COM 94106B101 109,668 811,573 SH   DFND   0 811,573 0
WESTERN ALLIANCE BANCORP COM 957638109 50,027 760,977 SH   DFND   0 760,977 0
WOODWARD INC. COM 980745103 64,101 798,664 SH   DFND   0 729,339 69,325