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 FIGI (to the nearest dollar) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
ADVANCED ENERGY INDUSTRIES, IN COM 007973100 BBG000FKMP26 42,222,117 492,214 SH   DFND   0 438,489 53,725
AGILYSYS INC. COM 00847J105 BBG000BR74W6 67,065,452 847,428 SH   DFND   0 754,925 92,503
AMETEK INC. COM 031100100 BBG000B9XG87 84,385,012 603,958 SH   DFND   0 603,958 0
AMPHENOL CORP. CL A COM 032095101 BBG000B9YJ35 76,519,482 1,004,984 SH   DFND   0 1,004,984 0
ANALOG DEVICES INC COM 032654105 BBG000BB6G37 43,082,808 262,652 SH   DFND   0 262,652 0
API GROUP CORP COM 00187Y100 BBG00HXKRGY9 40,768,455 2,167,382 SH   DFND   0 1,930,904 236,478
AVID BIOSERVICES INC. COM 05368M106 BBG000JDWKY3 27,119,203 1,969,441 SH   DFND   0 1,754,487 214,954
BIO TECHNE CORP COM 09073M104 BBG000C15114 10,195,566 123,016 SH   DFND   0 123,016 0
BRINK'S CO, THE COM 109696104 BBG000DR5QP5 20,384,556 379,530 SH   DFND   0 338,105 41,425
BRIXMOR PROPERTY GROUP, INC. COM 11120U105 BBG001LFLZZ1 72,420,517 3,194,553 SH   DFND   0 2,846,002 348,551
BROWN & BROWN INC. COM 115236101 BBG000BWSGF4 29,949,357 525,704 SH   DFND   0 525,704 0
BWX TECHNOLOGIES COM 05605H100 BBG000D86F25 159,811,302 2,751,572 SH   DFND   0 2,677,933 73,639
CABOT CORP. COM 127055101 BBG000BF3WW4 118,772,207 1,776,963 SH   DFND   0 1,631,434 145,529
CACI INTERNATIONAL COM 127190304 BBG000KQY8Y7 109,929,971 365,714 SH   DFND   0 325,807 39,907
CAE INC. COM 124765108 BBG000KPFXB0 34,643,684 1,791,297 SH   DFND   0 1,595,774 195,523
CATALENT INC. COM 148806102 BBG005XR47P5 52,269,753 1,161,292 SH   DFND   0 1,161,292 0
CHARLES RIVER LABORATORIES COM 159864107 BBG000BG5BL8 32,728,798 150,201 SH   DFND   0 150,201 0
CHARLES SCHWAB CORP COM 808513105 BBG000BSLZY7 46,165,422 554,473 SH   DFND   0 554,473 0
CLEAN HARBORS INC. COM 184496107 BBG000BFRRX8 239,790,428 2,101,213 SH   DFND   0 1,983,572 117,641
COGNEX CORP COM 192422103 BBG000BPBVW5 31,228,183 662,878 SH   DFND   0 590,545 72,333
COHERENT CORP COM 19247G107 BBG000BLW102 36,550,999 1,041,339 SH   DFND   0 960,596 80,743
COPART INC. COM 217204106 BBG000BM9RH1 50,650,129 831,830 SH   DFND   0 831,830 0
DOLBY LABORATORIES INC. CL A COM 25659T107 BBG000DGLTG5 16,477,439 233,590 SH   DFND   0 233,590 0
DORMAN PRODUCTS INC. COM 258278100 BBG000BM22F5 26,346,880 325,793 SH   DFND   0 290,262 35,531
ENTEGRIS INC. COM 29362U104 BBG000CTV4N4 132,908,493 2,026,353 SH   DFND   0 1,905,430 120,923
FIRST AMERICAN FINANCIAL COM 31847R102 BBG000V78V75 17,287,012 330,283 SH   DFND   0 330,283 0
FMC CORP COM 302491303 BBG000BJP882 107,764,925 863,501 SH   DFND   0 863,501 0
FTI CONSULTING COM 302941109 BBG000K88H58 39,249,643 247,164 SH   DFND   0 220,194 26,970
GLACIER BANCORP INC. COM 37637Q105 BBG000C3KB84 26,543,482 537,100 SH   DFND   0 478,483 58,617
GRACO INC. COM 384109104 BBG000BK9W84 70,903,743 1,054,174 SH   DFND   0 965,520 88,654
HALOZYME THERAPEUTICS INC. COM 40637H109 BBG000CZ8W54 226,679,017 3,983,814 SH   DFND   0 3,728,014 255,800
HEICO CORP - CLASS A COM 422806208 BBG000F0CD91 88,246,274 736,306 SH   DFND   0 675,878 60,428
HELEN OF TROY LTD. COM G4388N106 BBG000BL21Z7 59,615,678 537,514 SH   DFND   0 490,600 46,914
HENRY SCHEIN, INC. COM 806407102 BBG000BNMMJ3 74,989,064 938,889 SH   DFND   0 938,889 0
HEXCEL CORP COM 428291108 BBG000BLMDQ9 12,750,676 216,664 SH   DFND   0 216,664 0
HOSTESS BRANDS INC. COM 44109J106 BBG00B6KGNN1 71,609,810 3,191,168 SH   DFND   0 2,842,890 348,278
HUNTINGTON BANCSHARES INC. COM 446150104 BBG000BKWSR6 32,830,919 2,328,434 SH   DFND   0 2,328,434 0
IAA INC. COM 449253103 BBG00K7ZQ662 57,789,000 1,444,725 SH   DFND   0 1,311,599 133,126
IDEX CORP. COM 45167R104 BBG000C1HN22 112,342,470 492,018 SH   DFND   0 448,279 43,739
INGEVITY CORP COM 45688C107 BBG009LM28K6 32,275,044 458,192 SH   DFND   0 408,181 50,011
INGREDION INC. COM 457187102 BBG000BXPZB7 138,098,536 1,410,176 SH   DFND   0 1,326,929 83,247
IQVIA HOLDINGS INC. COM 46266C105 BBG00333FYS2 28,381,568 138,521 SH   DFND   0 138,521 0
KAR AUCTION SERVICES INC. COM 48238T109 BBG000VZHLL9 75,009,964 5,747,890 SH   DFND   0 5,311,098 436,792
KBR, INC. COM 48242W106 BBG000P28YZ6 158,395,459 2,999,914 SH   DFND   0 2,744,362 255,552
KEYSIGHT TECHNOLOGIES COM 49338L103 BBG0059FN811 25,005,986 146,174 SH   DFND   0 146,174 0
LKQ CORP COM 501889208 BBG000PXDL44 36,524,215 683,846 SH   DFND   0 683,846 0
MARKEL CORP. COM 570535104 BBG000FC7366 13,384,381 10,159 SH   DFND   0 10,159 0
MASTERCARD, INC. CL-A COM 57636Q104 BBG000F1ZSQ2 33,569,159 96,538 SH   DFND   0 96,538 0
MCGRATH RENTCORP COM 580589109 BBG000BP02D2 37,680,073 381,609 SH   DFND   0 339,968 41,641
MERCURY SYSTEMS INC. COM 589378108 BBG000BX5GS3 39,679,682 886,895 SH   DFND   0 790,091 96,804
MID-AMERICA APARTMENT COMMUNIT COM 59522J103 BBG000BLMY92 8,926,765 56,862 SH   DFND   0 56,862 0
MINERALS TECHNOLOGIES INC COM 603158106 BBG000BB61F7 31,826,995 524,160 SH   DFND   0 466,948 57,212
NATIONAL RETAIL PROPERTIES COM 637417106 BBG000CLP0Y4 28,768,488 628,682 SH   DFND   0 628,682 0
NELNET INC. CL A COM 64031N108 BBG000PYJY93 26,164,495 288,314 SH   DFND   0 256,846 31,468
PACIFIC PREMIER BANCORP INC COM 69478X105 BBG000BNS256 39,019,458 1,236,358 SH   DFND   0 1,101,434 134,924
PDF SOLUTIONS, INC. COM 693282105 BBG000CYCKR4 38,464,040 1,348,669 SH   DFND   0 1,201,566 147,103
POWER INTEGRATIONS INC. COM 739276103 BBG000BTT3D1 71,466,039 996,459 SH   DFND   0 887,610 108,849
PROSPERITY BANCSHARES, INC. COM 743606105 BBG000BHY4D9 79,997,132 1,100,676 SH   DFND   0 1,010,468 90,208
R1 RCM INC. COM 77634L105 BBG018CZLZ09 39,552,944 3,612,141 SH   DFND   0 3,218,389 393,752
RBC BEARINGS INC. COM 75524B104 BBG000GMGNB3 88,653,444 423,470 SH   DFND   0 388,047 35,423
RLI CORP. COM 749607107 BBG000BS7ZF4 50,162,468 382,132 SH   DFND   0 340,438 41,694
SENSIENT TECHNOLOGIES CORP COM 81725T100 BBG000J79P80 36,036,918 494,198 SH   DFND   0 440,277 53,921
SIMPSON MANUFACTURING COM 829073105 BBG000JLC8L8 30,013,981 338,529 SH   DFND   0 301,585 36,944
SS&C TECHNOLOGIES HOLDINGS COM 78467J100 BBG000RJ2J04 22,953,306 440,901 SH   DFND   0 440,901 0
STERIS PLC COM G8473T100 BBG00MRHG523 22,585,001 122,286 SH   DFND   0 122,286 0
SYNOPSYS INC. COM 871607107 BBG000BSFRF3 51,033,398 159,834 SH   DFND   0 159,834 0
UGI CORP. COM 902681105 BBG000BVYN55 161,991,822 4,369,890 SH   DFND   0 4,106,725 263,165
UNITED COMMUNITY BANKS, INC. O COM 90984P303 BBG000BL7GB5 78,793,614 2,331,172 SH   DFND   0 2,076,751 254,421
VALVOLINE INC. COM 92047W101 BBG003DNHV56 41,639,524 1,275,330 SH   DFND   0 1,136,166 139,164
VANGUARD MID-CAP ETF COM 922908629 BBG000HX76S7 443,491 2,176 SH   DFND   0 2,176 0
VISA INC-CLASS A SHARES COM 92826C839 BBG000PSKYX7 29,788,421 143,379 SH   DFND   0 143,379 0
WASTE CONNECTIONS INC. COM 94106B101 BBG000FLHZZ2 111,151,162 838,497 SH   DFND   0 838,497 0
WESTERN ALLIANCE BANCORP COM 957638109 BBG000Q1KFH4 46,495,514 780,650 SH   DFND   0 780,650 0
WOODWARD INC. COM 980745103 BBG000BD53V2 76,684,284 793,751 SH   DFND   0 724,426 69,325