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
1st Source Corp. com 336901103   2,352,831 55,900 SH   SOLE   55,900 0 0
A10 Networks, Inc. com 002121101   3,231,450 215,000 SH   SOLE   215,000 0 0
ACM Research, Inc. Class A com 00108J109   6,188,289 341,800 SH   SOLE   341,800 0 0
ADMA Biologics, Inc. com 000899104   7,440,672 2,078,400 SH   SOLE   2,078,400 0 0
AMR Corp Escrow com 001ESC102   0 18,000 SH   SOLE   18,000 0 0
ANI Pharmaceuticals, Inc. com 00182C103   1,915,980 33,000 SH   SOLE   33,000 0 0
ATI, Inc. com 01741R102   3,909,250 95,000 SH   SOLE   95,000 0 0
Abercrombie & Fitch Co. com 002896207   4,143,195 73,500 SH   SOLE   73,500 0 0
Acadia Healthcare Co., Inc. com 00404A109   5,470,118 77,800 SH   SOLE   77,800 0 0
Aehr Test Systems com 00760J108   41,591,936 910,108 SH   SOLE   909,808 0 300
Aerovironment, Inc. com 008073108   7,706,723 69,100 SH   SOLE   69,100 0 0
Allegiant Travel Co. com 01748X102   4,362,750 56,762 SH   SOLE   54,162 0 2,601
Allegro MicroSystems, Inc. com 01749D105   7,216,204 225,930 SH   SOLE   182,920 0 43,010
Allison Transmission Holdings, com 01973R101   5,557,546 94,100 SH   SOLE   94,100 0 0
Alphatec Hldgs Inc. com 02081G201   16,031,439 1,236,040 SH   SOLE   1,093,540 0 142,500
Alta Equipment Group, Inc. com 02128L106   1,327,806 110,100 SH   SOLE   110,100 0 0
Amazon.com com 023135106   216,104 1,700 SH   SOLE   0 0 1,700
American Power Corp com 02906T107   0 10,000 SH   SOLE   0 0 10,000
Amgen, Inc. com 031162100   328,854 1,224 SH   SOLE   0 0 1,224
Amphastar Pharmaceuticals, Inc com 03209R103   7,013,475 152,500 SH   SOLE   152,500 0 0
Amtech Systems, Inc. com 032332504   906,018 118,900 SH   SOLE   118,900 0 0
Amylyx Pharmaceuticals, Inc. com 03237H101   3,112,700 170,000 SH   SOLE   170,000 0 0
Apple, Inc. com 037833100   833,859 4,870 SH   SOLE   120 0 4,750
Applied Industrial com 03820c105   4,715,605 30,500 SH   SOLE   30,500 0 0
Applied Optoelectronics Inc. com 03823U102   5,138,513 468,415 SH   SOLE   468,415 0 0
Arcos Dorados Holdings, Inc. com G0457F107   219,472 23,200 SH   SOLE   23,200 0 0
Array Biopharma com 04271T100   2,307,760 104,000 SH   SOLE   104,000 0 0
Artivion, Inc com 228903100   3,762,712 248,200 SH   SOLE   248,200 0 0
Astec Inds Inc. com 046224101   1,856,134 39,400 SH   SOLE   39,400 0 0
Atricure, Inc. com 04963C209   2,071,740 47,300 SH   SOLE   47,300 0 0
Avatar Ventures com 05350B100   1 10,000 SH   SOLE   0 0 10,000
AvePoint, Inc. com 053604104   2,856,000 425,000 SH   SOLE   425,000 0 0
Aviat Networks, Inc. com 05366Y201   3,909,578 125,307 SH   SOLE   125,307 0 0
Axcelis Technologies com 054540208   31,559,795 193,559 SH   SOLE   166,439 0 27,120
Axonics, Inc. com 05465P101   9,070,114 161,620 SH   SOLE   143,650 0 17,970
BJ's Restaurants, Inc. com 09180C106   2,632,212 112,200 SH   SOLE   112,200 0 0
Bel Fuse, Inc. com 077347300   5,797,980 121,500 SH   SOLE   121,500 0 0
Belden, Inc. com 077454106   8,832,437 91,480 SH   SOLE   73,937 0 17,543
Blue Bird Corporation com 095306106   6,543,775 306,500 SH   SOLE   306,500 0 0
Boot Barn Hldgs, Inc. com 099406100   4,936,352 60,800 SH   SOLE   60,800 0 0
CECO Environmental Corp. com 125141101   6,654,699 416,700 SH   SOLE   416,700 0 0
CIRCOR International, Inc. com 17273K109   5,457,925 97,900 SH   SOLE   97,900 0 0
CVD Equipment Corp. com 126601103   684,971 103,000 SH   SOLE   103,000 0 0
Cadence Design System, Inc. com 127387108   4,029,960 17,200 SH   SOLE   17,200 0 0
Cadre Hldgs, Inc. com 12763L105   1,260,545 47,300 SH   SOLE   47,300 0 0
Caleres Inc. com 129500104   2,415,840 84,000 SH   SOLE   84,000 0 0
Camtek, Ltd. com M20791105   10,358,819 166,380 SH   SOLE   166,380 0 0
Catalyst Pharmaceuticals, Inc. com 14888U101   3,432,184 293,600 SH   SOLE   293,600 0 0
Ciena Corporation com 171779309   3,317,652 70,200 SH   SOLE   70,200 0 0
Clean Harbors, Inc. com 184496107   7,600,654 45,415 SH   SOLE   37,780 0 7,635
Clearwater Paper Corp com 18538R103   3,661,250 101,000 SH   SOLE   101,000 0 0
Comfort Systems USA Inc. com 199908104   2,385,740 14,000 SH   SOLE   14,000 0 0
Comstock Res com 205768302   2,770,685 251,195 SH   SOLE   251,195 0 0
Constellium NV Cl A com F21107101   53,381,892 2,933,071 SH   SOLE   1,941,739 0 991,332
Crocs, Inc. com 227046109   6,946,348 78,730 SH   SOLE   67,760 0 10,970
DMC Global, Inc. com 23291C103   4,260,227 174,100 SH   SOLE   174,100 0 0
Dada Nexus Limited com 23344D108   101,460 22,800 SH   SOLE   22,800 0 0
Deckers Outdoor Corp. com 243537107   13,212,113 25,700 SH   SOLE   20,580 0 5,120
Destination XL Group, Inc. com 25065K104   1,862,336 415,700 SH   SOLE   415,700 0 0
Digi International I com 253798102   4,349,700 161,100 SH   SOLE   161,100 0 0
Dynavax Technologies Corp. com 268158201   5,689,404 385,200 SH   SOLE   385,200 0 0
EPlus, Inc. com 294268107   2,013,584 31,700 SH   SOLE   31,700 0 0
EZCorp, Inc. com 302301106   4,911,225 595,300 SH   SOLE   595,300 0 0
Earthstone Energy Inc. com 27032D304   4,869,744 240,600 SH   SOLE   240,600 0 0
Employers Holdings, Inc. com 292218104   4,482,390 112,200 SH   SOLE   112,200 0 0
Encompass Health Corporation com 29261A100   7,495,056 111,600 SH   SOLE   111,600 0 0
Everi Hldgs, Inc. com 30034T103   3,291,780 249,000 SH   SOLE   249,000 0 0
Evolent Health, Inc. com 30050B101   6,956,176 255,460 SH   SOLE   234,860 0 20,600
Extreme Networks, Inc. com 30226D106   9,235,389 381,470 SH   SOLE   302,620 0 78,850
Fabrinet com G3323L100   3,698,964 22,200 SH   SOLE   22,200 0 0
Fastly, Inc. com 31188V100   3,264,651 170,300 SH   SOLE   170,300 0 0
Federal Signal Corp. com 313855108   5,459,322 91,400 SH   SOLE   91,400 0 0
First Merchants Corporation com 320817109   2,028,078 72,900 SH   SOLE   72,900 0 0
FirstCash Holdings, Inc com 33768G107   6,193,446 61,700 SH   SOLE   61,700 0 0
Flowserve Corporation com 34354P105   8,385,107 210,840 SH   SOLE   192,900 0 17,940
Formfactor Inc. com 346375108   6,572,214 188,100 SH   SOLE   188,100 0 0
Frontdoor, Inc. com 35905A109   5,038,173 164,700 SH   SOLE   164,700 0 0
Full House Resorts, Inc. com 359678109   952,821 223,143 SH   SOLE   223,143 0 0
G-III Apparel Group Ltd. com 36237H101   3,588,480 144,000 SH   SOLE   144,000 0 0
Gibraltar Inds com 374689107   2,410,107 35,700 SH   SOLE   35,700 0 0
Granite Construction com 387328107   4,357,092 114,600 SH   SOLE   114,600 0 0
Grocery Outlet Hldg Corp. com 39874R101   3,343,715 115,900 SH   SOLE   115,900 0 0
Grupo Aeroportuario del Centro com 400501102   234,657 2,700 SH   SOLE   2,700 0 0
H&E Equipment Services, Inc. com 404030108   3,982,118 92,200 SH   SOLE   92,200 0 0
HNI Corp. com 404251100   5,876,711 169,700 SH   SOLE   169,700 0 0
Haemonetics Corp. com 405024100   6,933,492 77,400 SH   SOLE   77,400 0 0
Halozyme Therapeutics, Inc. com 40637H109   1,929,100 50,500 SH   SOLE   50,500 0 0
Hawkins, Inc. com 420261109   2,095,060 35,600 SH   SOLE   35,600 0 0
Haynes Intl, Inc. com 420877201   3,540,172 76,100 SH   SOLE   76,100 0 0
Helix Energy Solutions Group, com 42330P107   3,748,652 335,600 SH   SOLE   335,600 0 0
Heritage Financial Corporation com 42722X106   2,218,160 136,000 SH   SOLE   136,000 0 0
Hexcel Corporation com 428291108   4,774,762 73,300 SH   SOLE   73,300 0 0
Huron Consulting Group, Inc. com 447462102   5,822,544 55,900 SH   SOLE   55,900 0 0
ICF International, Inc. com 44925C103   11,561,517 95,700 SH   SOLE   95,700 0 0
Impinj, Inc. com 453204109   1,964,571 35,700 SH   SOLE   35,700 0 0
Inmode Ltd. com M5425M103   5,490,720 180,260 SH   SOLE   169,260 0 11,000
Inter Parfums com 458334109   5,588,544 41,600 SH   SOLE   41,600 0 0
International Seaways, Inc. com Y41053102   3,892,500 86,500 SH   SOLE   86,500 0 0
JELD-WEN Holding, Inc. com 47580P103   3,305,264 247,400 SH   SOLE   247,400 0 0
JP Morgan Chase & Company Inc. com 46625H100   580,666 4,004 SH   SOLE   140 0 3,864
Janus International Group, Inc com 47103N106   4,051,020 378,600 SH   SOLE   378,600 0 0
Johnson & Johnson com 478160104   394,581 2,533 SH   SOLE   0 0 2,533
LSI Industries Inc. com 50216C108   4,743,356 298,700 SH   SOLE   298,700 0 0
Lantheus Hldgs Inc. com 516544103   11,765,743 169,340 SH   SOLE   154,980 0 14,360
LeMaitre Vascular, Inc. com 525558201   3,105,360 57,000 SH   SOLE   57,000 0 0
Legend Biotech Corp. com 52490G102   1,074,720 16,000 SH   SOLE   16,000 0 0
Li Auto, Inc. ADR com 50202M102   1,354,700 38,000 SH   SOLE   38,000 0 0
Liberty Energy, Inc. com 53115L104   2,766,888 149,400 SH   SOLE   149,400 0 0
M/I Homes, Inc. com 55305B101   3,722,972 44,300 SH   SOLE   44,300 0 0
MGP Ingredients, Inc. com 55303J106   5,659,002 53,650 SH   SOLE   53,500 0 150
MINISO Group Holding Limited com 66981J102   2,341,360 90,400 SH   SOLE   90,400 0 0
Magnolia Oil & Gas Corp. com 559663109   2,268,090 99,000 SH   SOLE   99,000 0 0
Mannkind Corp. com 56400P706   3,297,392 798,400 SH   SOLE   798,400 0 0
Mastercard, Inc. com 57636Q104   326,744 825 SH   SOLE   0 0 825
Matador Resources Company com 576485205   2,890,728 48,600 SH   SOLE   48,600 0 0
Maximus, Inc. com 577933104   4,122,336 55,200 SH   SOLE   55,200 0 0
McDonald's Corporation com 580135101   221,746 842 SH   SOLE   0 0 842
McGrath RentCorp com 580589109   2,115,064 21,100 SH   SOLE   21,100 0 0
Mercantile Bank Corp. com 587376104   2,645,975 85,603 SH   SOLE   64,500 0 21,103
Merit Medical System Inc com 589889104   6,602,453 95,660 SH   SOLE   95,660 0 0
Microsoft Corp. com 594918104   895,151 2,835 SH   SOLE   0 0 2,835
Model N, Inc. com 607525102   5,893,306 241,430 SH   SOLE   214,710 0 26,720
Modine Mfg Co Com com 607828100   3,870,450 84,600 SH   SOLE   84,600 0 0
Monarch Casino & Resort, Inc. com 609027107   3,340,980 53,800 SH   SOLE   53,800 0 0
Murphy USA, Inc. com 626755102   2,289,591 6,700 SH   SOLE   6,700 0 0
NOV, Inc. com 62955J103   2,946,900 141,000 SH   SOLE   141,000 0 0
Navitas Semiconductor Corp. com 63942X106   6,341,875 912,500 SH   SOLE   911,700 0 800
NeoGenomics, Inc. com 64049M209   3,608,820 293,400 SH   SOLE   293,400 0 0
Nextracker, Inc. com 65290E101   3,907,568 97,300 SH   SOLE   97,300 0 0
Onto Innovation, Inc. com 683344105   5,241,072 41,100 SH   SOLE   41,100 0 0
Option Care Health Inc. com 68404L201   5,428,330 167,800 SH   SOLE   167,800 0 0
Oshkosh Corp. com 688239201   5,166,193 54,136 SH   SOLE   54,100 0 36
Osi Systems, Inc. com 671044105   2,998,216 25,400 SH   SOLE   25,400 0 0
Oxford Inds, Inc. com 691497309   2,903,126 30,200 SH   SOLE   30,200 0 0
PDD Holdings Inc. com 722304102   2,451,750 25,000 SH   SOLE   25,000 0 0
Parsons Corp. com 70202L102   7,136,155 131,300 SH   SOLE   131,300 0 0
Patterson-Uti Energy, Inc. com 703481101   3,621,928 261,700 SH   SOLE   261,700 0 0
Pdf Solutions, Inc. com 693282105   2,138,400 66,000 SH   SOLE   66,000 0 0
Perion Network, Ltd. com M78673114   14,404,983 470,290 SH   SOLE   438,020 0 32,270
PetlQ Inc com 71639T106   4,326,120 219,600 SH   SOLE   219,600 0 0
Photronics, Inc. com 719405102   4,650,321 230,100 SH   SOLE   230,100 0 0
Playa Hotels & Resorts N.V. com N70544106   5,078,860 701,500 SH   SOLE   701,500 0 0
Powell Industries Inc. com 739128106   2,105,660 25,400 SH   SOLE   25,400 0 0
Power Integrations com 739276103   7,216,833 94,573 SH   SOLE   84,991 0 9,582
Preferred Bank com 740367404   5,141,850 82,600 SH   SOLE   82,600 0 0
Primo Water Corp. com 74167P108   2,918,700 211,500 SH   SOLE   211,500 0 0
Primoris Services Corp. com 74164F103   5,845,578 178,600 SH   SOLE   178,600 0 0
Quaker Chemical Corporation com 747316107   4,080,000 25,500 SH   SOLE   25,500 0 0
Qualys, Inc. com 74758T303   2,532,330 16,600 SH   SOLE   16,600 0 0
Quanterix Corp. com 74766Q101   2,263,476 83,400 SH   SOLE   83,400 0 0
RPC, Inc. com 749660106   6,334,672 708,576 SH   SOLE   632,751 0 75,825
Rapid7, Inc. com 753422104   2,009,742 43,900 SH   SOLE   43,900 0 0
Resmed Inc. com 761152107   214,412 1,450 SH   SOLE   0 0 1,450
Rover Group, Inc. com 77936F103   2,554,080 408,000 SH   SOLE   408,000 0 0
SI-BONE, Inc. com 825704109   6,692,724 315,100 SH   SOLE   315,100 0 0
SP Plus Corporation com 78469C103   4,422,250 122,500 SH   SOLE   122,500 0 0
SPX Technologies, Inc. com 78473E103   5,535,200 68,000 SH   SOLE   68,000 0 0
Scansource, Inc. com 806037107   2,899,576 95,664 SH   SOLE   95,664 0 0
SeaWorld Entertainment Inc. com 81282v100   5,516,700 119,280 SH   SOLE   102,920 0 16,360
Shoals Technology Group, Inc. com 82489W107   3,180,975 174,300 SH   SOLE   174,300 0 0
Simpson Manufacturing com 829073105   2,202,207 14,700 SH   SOLE   14,700 0 0
Sterling Construction Co., Inc com 859241101   8,082,800 110,000 SH   SOLE   110,000 0 0
Sun Country Airlines Holdings, com 866683105   4,199,720 283,000 SH   SOLE   283,000 0 0
Super Micro Computer Inc. com 86800U104   4,305,254 15,700 SH   SOLE   15,700 0 0
Tactile Sys Technology, Inc. com 87357P100   4,641,418 330,350 SH   SOLE   330,350 0 0
Taiwan Semiconductor com 874039100   1,042,800 12,000 SH   SOLE   12,000 0 0
Texas Roadhouse com 882681109   1,970,050 20,500 SH   SOLE   20,500 0 0
The Chefs Warehouse, Inc. com 163086101   3,100,752 146,400 SH   SOLE   146,400 0 0
The Gorman-Rupp Co. com 383082104   2,138,500 65,000 SH   SOLE   65,000 0 0
The Travelers Co., Inc. com 89417E109   358,285 2,194 SH   SOLE   0 0 2,194
Titan Oil & Gas, Inc. com 888309101   0 10,000 SH   SOLE   0 0 10,000
TransMedics Group, Inc. com 89377M109   8,272,725 151,100 SH   SOLE   151,100 0 0
Treace Medical Concepts, Inc. com 89455T109   4,661,916 355,600 SH   SOLE   355,600 0 0
Trex Company, Inc. com 89531P105   1,873,552 30,400 SH   SOLE   30,400 0 0
UNUM Group com 91529Y106   3,772,873 76,700 SH   SOLE   76,700 0 0
Ultra Clean Holdings com 90385V107   6,471,027 218,100 SH   SOLE   218,100 0 0
Universal Display Corp. com 91347P105   9,735,735 62,015 SH   SOLE   56,970 0 5,045
Upwork, Inc. com 91688F104   1,629,024 143,400 SH   SOLE   143,400 0 0
V2X, Inc. com 92242T101   5,811,750 112,500 SH   SOLE   112,500 0 0
VSE Corp. com 918284100   2,405,988 47,700 SH   SOLE   47,700 0 0
Veeco Instruments, Inc. com 922417100   6,375,348 226,800 SH   SOLE   226,800 0 0
Veracyte, Inc. com 92337F107   13,343,068 597,540 SH   SOLE   561,970 0 35,570
Vertiv Holdings Co. com 92537N108   14,172,828 380,990 SH   SOLE   366,220 0 14,770
Vishay Precision Group com 92835K103   1,830,110 54,500 SH   SOLE   54,500 0 0
Visteon Corp. com 92839U206   8,003,918 57,970 SH   SOLE   57,970 0 0
Wal Mart Stores Inc. com 931142103   215,823 1,349 SH   SOLE   0 0 1,349
Washington Federal, Inc. com 938824109   2,041,914 79,700 SH   SOLE   79,700 0 0
Weatherford International PLC com G48833118   17,787,784 196,920 SH   SOLE   178,260 0 18,660
Weave Communications, Inc. com 94724R108   4,267,340 523,600 SH   SOLE   523,600 0 0
Wingstop, Inc. com 974155103   2,553,728 14,200 SH   SOLE   14,200 0 0
Woodward, Inc. com 980745103   6,063,888 48,800 SH   SOLE   48,800 0 0
Xenacare Hldgs, Inc. com 98401A106   0 140,000 SH   SOLE   0 0 140,000
Zeta Global Holdings Corp. com 98956A105   5,633,745 674,700 SH   SOLE   674,700 0 0
e.l.f. Beauty, Inc. com 26856L103   2,394,294 21,800 SH   SOLE   21,800 0 0
SPDR S&P 500 ETF Trust com 78462F103   1,537,837 3,597 SH   SOLE   0 0 3,597