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
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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
A10 Networks, Inc. com 002121101   3,043,474 208,600 SH   SOLE   208,600 0 0
ABM Industries, Inc. com 000957100   2,921,525 68,500 SH   SOLE   68,500 0 0
ACM Research, Inc. Class A com 00108J109   3,735,648 285,600 SH   SOLE   285,600 0 0
ADMA Biologics, Inc. com 000899104   6,157,503 1,668,700 SH   SOLE   1,668,700 0 0
AMR Corp Escrow com 001ESC102   0 18,000 SH   SOLE   18,000 0 0
ATI, Inc. com 01741R102   4,723,764 106,800 SH   SOLE   106,800 0 0
Acadia Healthcare Co., Inc. com 00404A109   4,093,496 51,400 SH   SOLE   51,400 0 0
Aehr Test Systems com 00760J108   36,015,705 873,108 SH   SOLE   872,808 0 300
Alight, Inc. com 01626W101   3,338,412 361,300 SH   SOLE   361,300 0 0
Allegiant Travel Co. com 01748X102   3,838,912 30,400 SH   SOLE   30,400 0 0
Allegro MicroSystems, Inc. com 01749D105   8,849,246 196,040 SH   SOLE   177,520 0 18,520
Allied Motion Technologies com 019330109   2,260,604 56,600 SH   SOLE   56,600 0 0
Allison Transmission Holdings, com 01973R101   4,370,004 77,400 SH   SOLE   77,400 0 0
Alphatec Hldgs Inc. com 02081G201   17,628,851 980,470 SH   SOLE   864,060 0 116,410
Alta Equipment Group, Inc. com 02128L106   1,908,033 110,100 SH   SOLE   110,100 0 0
Alteryx, Inc. Com Cl A com 02156B103   2,558,290 56,350 SH   SOLE   56,200 0 150
Amazon.com com 023135106   260,720 2,000 SH   SOLE   0 0 2,000
American Power Corp com 02906T107   0 10,000 SH   SOLE   0 0 10,000
Amgen, Inc. com 031162100   306,992 1,383 SH   SOLE   0 0 1,383
Amphastar Pharmaceuticals, Inc com 03209R103   8,494,066 147,800 SH   SOLE   147,800 0 0
Amtech Systems, Inc. com 032332504   1,136,684 118,900 SH   SOLE   118,900 0 0
Amylyx Pharmaceuticals, Inc. com 03237H101   1,833,450 85,000 SH   SOLE   85,000 0 0
Apple, Inc. com 037833100   1,057,102 5,450 SH   SOLE   240 0 5,210
Applied Industrial com 03820c105   3,533,852 24,400 SH   SOLE   24,400 0 0
Arcos Dorados Holdings, Inc. com G0457F107   237,800 23,200 SH   SOLE   23,200 0 0
Artivion, Inc com 228903100   3,632,247 211,300 SH   SOLE   211,300 0 0
Avatar Ventures com 05350B100   0 10,000 SH   SOLE   0 0 10,000
Aviat Networks, Inc. com 05366Y201   3,654,249 109,507 SH   SOLE   109,507 0 0
Axcelis Technologies com 054540208   44,072,349 240,399 SH   SOLE   208,639 0 31,760
Axonics, Inc. com 05465P101   6,330,957 125,440 SH   SOLE   110,150 0 15,290
Bel Fuse, Inc. com 077347300   6,975,315 121,500 SH   SOLE   121,500 0 0
Belden, Inc. com 077454106   9,445,959 98,755 SH   SOLE   78,926 0 19,829
Blue Bird Corporation com 095306106   6,773,224 301,300 SH   SOLE   301,300 0 0
Boot Barn Hldgs, Inc. com 099406100   3,201,282 37,800 SH   SOLE   37,800 0 0
Brookline Bancorp, Inc. com 11373M107   1,573,200 180,000 SH   SOLE   180,000 0 0
CECO Environmental Corp. com 125141101   5,245,136 392,600 SH   SOLE   392,600 0 0
CIRCOR International, Inc. com 17273K109   5,362,750 95,000 SH   SOLE   95,000 0 0
CVD Equipment Corp. com 126601103   759,110 103,000 SH   SOLE   103,000 0 0
Cabot Corp. com 127055101   4,174,286 62,405 SH   SOLE   51,639 0 10,766
Cadence Design System, Inc. com 127387108   4,127,552 17,600 SH   SOLE   17,600 0 0
Caleres Inc. com 129500104   1,600,917 66,900 SH   SOLE   66,900 0 0
Camtek, Ltd. com M20791105   5,280,437 148,202 SH   SOLE   148,202 0 0
Catalyst Pharmaceuticals, Inc. com 14888U101   2,464,896 183,400 SH   SOLE   183,400 0 0
Ciena Corporation com 171779309   5,026,779 118,305 SH   SOLE   99,390 0 18,915
Clean Harbors, Inc. com 184496107   7,416,615 45,105 SH   SOLE   37,980 0 7,125
Comfort Systems USA Inc. com 199908104   1,724,100 10,500 SH   SOLE   10,500 0 0
Comstock Res com 205768302   2,394,966 206,463 SH   SOLE   206,463 0 0
Constellium NV Cl A com F21107101   48,147,461 2,799,271 SH   SOLE   1,869,439 0 929,832
Controladora Vuela Comp de Avi com 21240E105   167,400 12,000 SH   SOLE   12,000 0 0
Crocs, Inc. com 227046109   11,862,420 105,500 SH   SOLE   83,400 0 22,100
Dada Nexus Limited com 23344D108   121,068 22,800 SH   SOLE   22,800 0 0
Deckers Outdoor Corp. com 243537107   12,199,499 23,120 SH   SOLE   17,580 0 5,540
Destination XL Group, Inc. com 25065K104   2,036,930 415,700 SH   SOLE   415,700 0 0
Digi International I com 253798102   4,750,434 120,600 SH   SOLE   120,600 0 0
Dynavax Technologies Corp. com 268158201   3,170,568 245,400 SH   SOLE   245,400 0 0
EZCorp, Inc. com 302301106   4,241,956 506,200 SH   SOLE   506,200 0 0
Earthstone Energy Inc. com 27032D304   3,186,670 223,000 SH   SOLE   223,000 0 0
Eli Lilly & Company com 532457108   285,643 609 SH   SOLE   0 0 609
Employers Holdings, Inc. com 292218104   3,557,691 95,100 SH   SOLE   95,100 0 0
Encompass Health Corporation com 29261A100   5,288,151 78,100 SH   SOLE   78,100 0 0
Everi Hldgs, Inc. com 30034T103   3,314,232 229,200 SH   SOLE   229,200 0 0
Evolent Health, Inc. com 30050B101   6,905,673 227,910 SH   SOLE   206,360 0 21,550
Extreme Networks, Inc. com 30226D106   8,802,295 337,900 SH   SOLE   297,600 0 40,300
Federal Signal Corp. com 313855108   4,731,817 73,900 SH   SOLE   73,900 0 0
First Merchants Corporation com 320817109   1,547,004 54,800 SH   SOLE   54,800 0 0
FirstCash Holdings, Inc com 33768G107   3,742,533 40,100 SH   SOLE   40,100 0 0
Flowserve Corporation com 34354P105   4,428,280 119,200 SH   SOLE   119,200 0 0
Formfactor Inc. com 346375108   4,893,460 143,000 SH   SOLE   143,000 0 0
Franklin Electric com 353514102   4,208,610 40,900 SH   SOLE   40,900 0 0
Frontdoor, Inc. com 35905A109   3,754,630 117,700 SH   SOLE   117,700 0 0
Full House Resorts, Inc. com 359678109   1,495,058 223,143 SH   SOLE   223,143 0 0
Granite Construction com 387328107   4,379,778 110,100 SH   SOLE   110,100 0 0
Grupo Aeroportuario del Centro com 400501102   229,068 2,700 SH   SOLE   2,700 0 0
H&E Equipment Services, Inc. com 404030108   3,756,075 82,100 SH   SOLE   82,100 0 0
Haemonetics Corp. com 405024100   4,044,150 47,500 SH   SOLE   47,500 0 0
Harmonic, Inc. com 413160102   4,758,831 294,300 SH   SOLE   294,300 0 0
Haynes Intl, Inc. com 420877201   3,689,532 72,600 SH   SOLE   72,600 0 0
Heritage Financial Corporation com 42722X106   2,045,505 126,500 SH   SOLE   126,500 0 0
Hexcel Corporation com 428291108   4,485,180 59,000 SH   SOLE   59,000 0 0
ICF International, Inc. com 44925C103   9,976,078 80,200 SH   SOLE   80,200 0 0
Impinj, Inc. com 453204109   16,060,349 179,145 SH   SOLE   159,120 0 20,025
Inmode Ltd. com M5425M103   5,120,685 137,100 SH   SOLE   126,760 0 10,340
Insperity, Inc. com 45778Q107   2,141,280 18,000 SH   SOLE   18,000 0 0
Inspire Medical Systems, Inc. com 457730109   2,483,496 7,650 SH   SOLE   7,650 0 0
Inter Parfums com 458334109   4,110,992 30,400 SH   SOLE   30,400 0 0
International Money Express, I com 46005L101   2,656,599 108,300 SH   SOLE   108,300 0 0
International Seaways, Inc. com Y41053102   2,860,352 74,800 SH   SOLE   74,800 0 0
JELD-WEN Holding, Inc. com 47580P103   3,541,326 201,900 SH   SOLE   201,900 0 0
JP Morgan Chase & Company Inc. com 46625H100   595,518 4,095 SH   SOLE   140 0 3,955
Janus International Group, Inc com 47103N106   2,395,302 224,700 SH   SOLE   224,700 0 0
Johnson & Johnson com 478160104   448,676 2,711 SH   SOLE   0 0 2,711
KVH Industries, Inc. com 482738101   831,740 91,000 SH   SOLE   91,000 0 0
LSI Industries Inc. com 50216C108   3,563,272 283,700 SH   SOLE   283,700 0 0
Lantheus Hldgs Inc. com 516544103   13,945,826 166,180 SH   SOLE   151,820 0 14,360
LeMaitre Vascular, Inc. com 525558201   2,126,048 31,600 SH   SOLE   31,600 0 0
Legend Biotech Corp. com 52490G102   828,360 12,000 SH   SOLE   12,000 0 0
Li Auto, Inc. ADR com 50202M102   1,158,300 33,000 SH   SOLE   33,000 0 0
Liberty Energy, Inc. com 53115L104   1,469,363 109,900 SH   SOLE   109,900 0 0
Littelfuse, Inc. com 537008104   4,427,912 15,200 SH   SOLE   15,200 0 0
M/I Homes, Inc. com 55305B101   3,522,476 40,400 SH   SOLE   40,400 0 0
MGP Ingredients, Inc. com 55303J106   4,766,658 44,850 SH   SOLE   44,700 0 150
MINISO Group Holding Limited com 66981J102   1,644,632 96,800 SH   SOLE   96,800 0 0
MRC Global, Inc. com 55345K103   2,249,638 223,400 SH   SOLE   223,400 0 0
Macom Technology Solutions com 55405Y100   3,650,021 55,700 SH   SOLE   55,700 0 0
Magnite, Inc. com 55955D100   4,650,555 340,700 SH   SOLE   340,700 0 0
Magnolia Oil & Gas Corp. com 559663109   1,617,660 77,400 SH   SOLE   77,400 0 0
Mastercard, Inc. com 57636Q104   371,727 945 SH   SOLE   0 0 945
Matador Resources Company com 576485205   2,003,856 38,300 SH   SOLE   38,300 0 0
Maximus, Inc. com 577933104   4,039,578 47,800 SH   SOLE   47,800 0 0
Maxlinear, Inc. Class A com 57776J100   994,298 31,505 SH   SOLE   3,720 0 27,785
McDonald's Corporation com 580135101   250,850 841 SH   SOLE   0 0 841
Mercantile Bank Corp. com 587376104   1,734,219 62,789 SH   SOLE   42,400 0 20,389
Merit Medical System Inc com 589889104   6,537,302 78,160 SH   SOLE   78,160 0 0
Microsoft Corp. com 594918104   1,040,350 3,055 SH   SOLE   0 0 3,055
Model N, Inc. com 607525102   6,888,764 194,818 SH   SOLE   169,928 0 24,890
Modine Mfg Co Com com 607828100   3,797,300 115,000 SH   SOLE   115,000 0 0
Monarch Casino & Resort, Inc. com 609027107   3,184,340 45,200 SH   SOLE   45,200 0 0
Murphy USA, Inc. com 626755102   1,493,328 4,800 SH   SOLE   4,800 0 0
NOV, Inc. com 62955J103   1,515,780 94,500 SH   SOLE   94,500 0 0
Napco Sec Technologies, Inc. com 630402105   2,054,745 59,300 SH   SOLE   59,300 0 0
Navitas Semiconductor Corp. com 63942X106   6,745,600 640,000 SH   SOLE   640,000 0 0
NeoGenomics, Inc. com 64049M209   3,422,910 213,000 SH   SOLE   213,000 0 0
NerdWallet, Inc. com 64082B102   1,766,257 187,700 SH   SOLE   187,700 0 0
New Relic, Inc. com 64829B100   2,964,432 45,300 SH   SOLE   45,300 0 0
Newmont Mining com 651639106   218,660 5,126 SH   SOLE   400 0 4,726
Nine Energy Service, Inc. com 65441V101   903,114 235,800 SH   SOLE   235,800 0 0
Novanta, Inc. com 67000B104   1,951,460 10,600 SH   SOLE   10,600 0 0
O-I Glass, Inc. com 67098H104   3,585,573 168,100 SH   SOLE   168,100 0 0
OneSpan, Inc. com 68287N100   6,185,980 416,845 SH   SOLE   416,845 0 0
Option Care Health Inc. com 68404L201   3,606,390 111,000 SH   SOLE   111,000 0 0
Oxford Inds, Inc. com 691497309   2,716,392 27,600 SH   SOLE   27,600 0 0
PDC Energy, Inc. com 69327R101   2,817,454 39,604 SH   SOLE   26,460 0 13,144
PDD Holdings Inc. com 722304102   1,106,240 16,000 SH   SOLE   16,000 0 0
Parsons Corp. com 70202L102   4,351,856 90,400 SH   SOLE   90,400 0 0
Patterson-Uti Energy, Inc. com 703481101   2,711,205 226,500 SH   SOLE   226,500 0 0
Pdf Solutions, Inc. com 693282105   2,457,950 54,500 SH   SOLE   54,500 0 0
Pepsico, Inc. com 713448108   202,816 1,095 SH   SOLE   0 0 1,095
Perion Network, Ltd. com M78673114   13,073,088 426,250 SH   SOLE   397,060 0 29,190
Photronics, Inc. com 719405102   5,021,313 194,700 SH   SOLE   194,700 0 0
Playa Hotels & Resorts N.V. com N70544106   5,334,142 655,300 SH   SOLE   655,300 0 0
Power Integrations com 739276103   6,557,791 69,270 SH   SOLE   67,270 0 2,000
Preferred Bank com 740367404   3,134,430 57,000 SH   SOLE   57,000 0 0
Quaker Chemical Corporation com 747316107   4,053,920 20,800 SH   SOLE   20,800 0 0
RF Industries Ltd. com 749552105   261,865 63,100 SH   SOLE   63,100 0 0
RPC, Inc. com 749660106   4,697,784 657,033 SH   SOLE   583,527 0 73,506
Resmed Inc. com 761152107   316,825 1,450 SH   SOLE   0 0 1,450
SI-BONE, Inc. com 825704109   5,940,996 220,200 SH   SOLE   220,200 0 0
SP Plus Corporation com 78469C103   4,446,807 113,700 SH   SOLE   113,700 0 0
SPX Technologies, Inc. com 78473E103   3,526,255 41,500 SH   SOLE   41,500 0 0
Scansource, Inc. com 806037107   1,720,392 58,200 SH   SOLE   58,200 0 0
SeaWorld Entertainment Inc. com 81282v100   5,578,596 99,600 SH   SOLE   82,220 0 17,380
Shoals Technology Group, Inc. com 82489W107   3,568,176 139,600 SH   SOLE   139,600 0 0
ShockWave Medical, Inc. com 82489T104   2,582,961 9,050 SH   SOLE   9,050 0 0
Silicon Laboratories, Inc. com 826919102   4,023,947 25,510 SH   SOLE   25,510 0 0
Simpson Manufacturing com 829073105   1,745,100 12,600 SH   SOLE   12,600 0 0
Sterling Construction Co., Inc com 859241101   5,953,860 106,700 SH   SOLE   106,700 0 0
Sun Country Airlines Holdings, com 866683105   4,792,736 213,200 SH   SOLE   213,200 0 0
SunOpta, Inc. com 8676EP108   3,597,213 537,700 SH   SOLE   537,700 0 0
Super Micro Computer Inc. com 86800U104   3,265,175 13,100 SH   SOLE   13,100 0 0
Tactile Sys Technology, Inc. com 87357P100   7,353,104 294,950 SH   SOLE   294,950 0 0
Taiwan Semiconductor com 874039100   1,059,660 10,500 SH   SOLE   10,500 0 0
Tencent Music Entertainment com 88034P109   922,500 125,000 SH   SOLE   125,000 0 0
Texas Roadhouse com 882681109   1,875,076 16,700 SH   SOLE   16,700 0 0
The Chefs Warehouse, Inc. com 163086101   5,060,040 141,500 SH   SOLE   141,500 0 0
The Travelers Co., Inc. com 89417E109   394,446 2,271 SH   SOLE   0 0 2,271
Titan Oil & Gas, Inc. com 888309101   0 10,000 SH   SOLE   0 0 10,000
TransMedics Group, Inc. com 89377M109   10,665,460 127,000 SH   SOLE   127,000 0 0
Treace Medical Concepts, Inc. com 89455T109   6,433,370 251,500 SH   SOLE   251,500 0 0
UNUM Group com 91529Y106   2,986,020 62,600 SH   SOLE   62,600 0 0
Ultra Clean Holdings com 90385V107   6,572,814 170,900 SH   SOLE   170,900 0 0
V2X, Inc. com 92242T101   4,846,968 97,800 SH   SOLE   97,800 0 0
VSE Corp. com 918284100   2,608,713 47,700 SH   SOLE   47,700 0 0
Veeco Instruments, Inc. com 922417100   5,200,200 202,500 SH   SOLE   202,500 0 0
Veracyte, Inc. com 92337F107   12,284,436 482,310 SH   SOLE   454,270 0 28,040
Veritiv Corp. com 923454102   9,143,152 72,790 SH   SOLE   72,790 0 0
Vertiv Holdings Co. com 92537N108   6,151,382 248,340 SH   SOLE   247,790 0 550
Vishay Precision Group com 92835K103   2,024,675 54,500 SH   SOLE   54,500 0 0
Visteon Corp. com 92839U206   6,858,814 47,760 SH   SOLE   47,760 0 0
Wal Mart Stores Inc. com 931142103   249,690 1,589 SH   SOLE   0 0 1,589
Washington Federal, Inc. com 938824109   1,543,464 58,200 SH   SOLE   58,200 0 0
Weatherford International PLC com G48833118   5,219,284 78,580 SH   SOLE   78,580 0 0
Weave Communications, Inc. com 94724R108   4,382,895 394,500 SH   SOLE   394,500 0 0
Wingstop, Inc. com 974155103   1,521,216 7,600 SH   SOLE   7,600 0 0
Woodward, Inc. com 980745103   4,411,561 37,100 SH   SOLE   37,100 0 0
Xenacare Hldgs, Inc. com 98401A106   0 140,000 SH   SOLE   0 0 140,000
Zeta Global Holdings Corp. com 98956A105   4,052,230 474,500 SH   SOLE   474,500 0 0
SPDR S&P 500 ETF Trust com 78462F103   1,594,581 3,597 SH   SOLE   0 0 3,597