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
2U, Inc. com 90214J101 342 8,200 SH   SOLE   8,200 0 0
360 DigiTech, Inc. com 88557W101 1,255 30,000 SH   SOLE   30,000 0 0
AMR Corp Escrow com 001ESC102 0 18,000 SH   SOLE   18,000 0 0
Absolute Software Corp. com 00386B109 1,166 80,500 SH   SOLE   80,500 0 0
Acadia Healthcare Co., Inc. com 00404A109 2,698 42,995 SH   SOLE   24,910 0 18,085
Accuray Inc. com 004397105 683 151,000 SH   SOLE   151,000 0 0
Adient Plc com G0084W101 271 6,000 SH   SOLE   6,000 0 0
Adtran, Inc. com 00738A106 822 39,800 SH   SOLE   39,800 0 0
Alibaba Group Holding Ltd ADR com 01609W102 435 1,920 SH   SOLE   130 0 1,790
Allied Motion Technologies com 019330109 963 27,900 SH   SOLE   27,900 0 0
Alpha & Omega Semiconductor com G6331P104 1,368 45,000 SH   SOLE   45,000 0 0
Alphabet, Inc. Cl C com 02079k107 251 100 SH   SOLE   0 0 100
Alphatec Hldgs Inc. com 02081G201 6,672 435,530 SH   SOLE   390,520 0 45,010
Amazon.com com 023135106 344 100 SH   SOLE   0 0 100
Ameresco, Inc. com 02361E108 2,566 40,908 SH   SOLE   40,908 0 0
American Power Corp com 02906T107 0 10,000 SH   SOLE   0 0 10,000
Amgen, Inc. com 031162100 365 1,496 SH   SOLE   0 0 1,496
Amphastar Pharmaceuticals, Inc com 03209R103 214 10,600 SH   SOLE   10,600 0 0
Angiodynamics, Inc. com 03475v101 2,667 98,300 SH   SOLE   98,300 0 0
Antares Pharma, Inc. com 036642106 875 200,600 SH   SOLE   200,600 0 0
Apple, Inc. com 037833100 1,004 7,334 SH   SOLE   240 0 7,094
Arconic Corporation com 03966V107 1,297 36,400 SH   SOLE   11,780 0 24,620
Avatar Ventures com 05350B100 0 10,000 SH   SOLE   0 0 10,000
Avaya Hldgs Corp. com 05351X101 1,971 73,260 SH   SOLE   42,060 0 31,200
Aviat Networks, Inc. com 05366Y201 2,936 89,607 SH   SOLE   89,607 0 0
Avid Bioservices, Inc. com 05368M106 1,018 39,700 SH   SOLE   39,700 0 0
Avid Technology, Inc. com 05367P100 223 5,700 SH   SOLE   5,700 0 0
Axcelis Technologies com 054540208 5,177 128,080 SH   SOLE   105,880 0 22,200
BHP Billiton Ltd. ADR com 088606108 222 3,043 SH   SOLE   140 0 2,903
BJs Wholesale Club Holdings, I com 05550J101 1,059 22,250 SH   SOLE   6,310 0 15,940
Bank of New York Mellon Corp. com 064058100 218 4,248 SH   SOLE   0 0 4,248
Beacon Roofing Supply com 073685109 266 5,000 SH   SOLE   5,000 0 0
Belden, Inc. com 077454106 273 5,400 SH   SOLE   5,400 0 0
Bilibili, Inc. Spon ADR com 090040106 1,474 12,100 SH   SOLE   12,100 0 0
Boot Barn Hldgs, Inc. com 099406100 2,690 32,000 SH   SOLE   32,000 0 0
Builders Firstsource com 12008R107 1,980 46,420 SH   SOLE   29,210 0 17,210
CRA Int'l Inc. com 12618T105 548 6,400 SH   SOLE   6,400 0 0
CTS Corp. com 126501105 966 26,000 SH   SOLE   26,000 0 0
Cabot Corp. com 127055101 273 4,800 SH   SOLE   4,800 0 0
Cadence Design System, Inc. com 127387108 2,945 21,524 SH   SOLE   21,524 0 0
Camtek, Ltd. com M20791105 1,545 40,980 SH   SOLE   40,980 0 0
CareDx, Inc. com 14167L103 4,286 46,830 SH   SOLE   31,470 0 15,360
Castle Biosciences, Inc. com 14843C105 5,431 74,060 SH   SOLE   55,660 0 18,400
Central Garden & Pet Co. com 153527106 201 3,800 SH   SOLE   3,800 0 0
ChannelAdvisor Corporation com 159179100 10,252 418,280 SH   SOLE   326,960 0 91,320
Clean Harbors, Inc. com 184496107 335 3,600 SH   SOLE   3,600 0 0
Clearfield, Inc. com 18482P103 1,682 44,900 SH   SOLE   44,900 0 0
Cohu, Inc. com 192576106 1,165 31,676 SH   SOLE   31,676 0 0
Commercial Vehicle Group com 202608105 1,401 131,800 SH   SOLE   131,800 0 0
Commvault Systems, Inc. com 204166102 305 3,900 SH   SOLE   3,900 0 0
Constellium NV Cl A com F21107101 124,920 6,592,097 SH   SOLE   4,917,339 0 1,674,758
Cornerstone Ondemand, Inc. com 21925Y103 304 5,900 SH   SOLE   5,900 0 0
Crocs, Inc. com 227046109 5,683 48,770 SH   SOLE   41,640 0 7,130
Cross Country Healthcare, Inc. com 227483104 1,418 85,900 SH   SOLE   85,900 0 0
Cyberoptics Corp. com 232517102 991 24,200 SH   SOLE   24,200 0 0
DZS, Inc. com 268211109 1,359 65,500 SH   SOLE   65,500 0 0
Dada Nexus Limited com 23344D108 287 9,900 SH   SOLE   9,900 0 0
Deckers Outdoor Corp. com 243537107 7,355 19,150 SH   SOLE   13,680 0 5,470
Diebold, Inc. com 253651103 1,339 104,300 SH   SOLE   104,300 0 0
El Pollo Loco Hldgs, Inc. com 268603107 1,152 63,000 SH   SOLE   63,000 0 0
Employers Holdings, Inc. com 292218104 942 22,000 SH   SOLE   22,000 0 0
EnPro Industries, Inc. com 29355x107 1,205 12,400 SH   SOLE   12,400 0 0
Endava Plc Ads com 29260V105 67,770 597,721 SH   SOLE   448,872 0 148,849
Entravision Communications com 29382r107 2,214 331,400 SH   SOLE   331,400 0 0
Extreme Networks, Inc. com 30226D106 1,185 106,200 SH   SOLE   106,200 0 0
Farfetch Ltd. com 30744W107 1,294 25,700 SH   SOLE   25,700 0 0
First Foundation Inc. com 32026V104 754 33,500 SH   SOLE   33,500 0 0
Flexsteel Inds, Inc. com 339382103 1,212 30,000 SH   SOLE   30,000 0 0
Full House Resorts, Inc. com 359678109 1,516 152,543 SH   SOLE   152,543 0 0
Futu Holdings Ltd. com 36118L106 1,164 6,500 SH   SOLE   6,500 0 0
Golden Nugget Online Gaming, I com 38113L107 1,535 120,300 SH   SOLE   120,300 0 0
Griffon Corp. com 398433102 943 36,800 SH   SOLE   36,800 0 0
Guess, Inc com 401617105 3,899 147,708 SH   SOLE   105,739 0 41,969
Hackett Group, Inc. com 404609109 1,297 72,000 SH   SOLE   72,000 0 0
Halozyme Therapeutics, Inc. com 40637H109 3,142 69,200 SH   SOLE   46,310 0 22,890
Headhunter Group Plc Spon ADR com 42207L106 288 6,800 SH   SOLE   6,800 0 0
Healthstream Inc. com 42222N103 911 32,600 SH   SOLE   32,600 0 0
Heidrick & Struggles com 422819102 1,938 43,500 SH   SOLE   43,500 0 0
Helix Energy Solutions Group, com 42330p107 476 83,300 SH   SOLE   83,300 0 0
Helmerich & Payne com 423452101 750 22,982 SH   SOLE   9,160 0 13,822
Heska Corp Com Restrc New com 42805E306 230 1,000 SH   SOLE   1,000 0 0
Hooker Furniture Corp com 439038100 987 28,500 SH   SOLE   28,500 0 0
II-VI Inc. com 902104108 5,739 79,060 SH   SOLE   59,730 0 19,330
Information Svcs Group, Inc. com 45675Y104 1,375 235,000 SH   SOLE   235,000 0 0
Inmode Ltd. com M5425M103 6,690 70,660 SH   SOLE   59,260 0 11,400
Inotiv, Inc. com 45783Q100 1,273 47,700 SH   SOLE   47,700 0 0
Intel Corporation com 458140100 317 5,639 SH   SOLE   0 0 5,639
JP Morgan Chase & Company Inc. com 46625H100 677 4,352 SH   SOLE   140 0 4,212
Johnson & Johnson com 478160104 410 2,490 SH   SOLE   0 0 2,490
Johnson Outdoors, Inc. com 479167108 1,125 9,300 SH   SOLE   9,300 0 0
KForce, Inc. com 493732101 1,454 23,100 SH   SOLE   23,100 0 0
Karooooo Ltd. com Y4600W108 221 6,000 SH   SOLE   6,000 0 0
LI Auto, Inc. ADR com 50202M102 1,922 55,000 SH   SOLE   55,000 0 0
LiqTech International, Inc com 53632A201 1,235 168,729 SH   SOLE   168,729 0 0
Luna Innovations com 550351100 921 85,000 SH   SOLE   85,000 0 0
M/I Homes, Inc. com 55305B101 1,191 20,300 SH   SOLE   20,300 0 0
MYR Group, Inc. com 55405W104 918 10,100 SH   SOLE   10,100 0 0
Macom Technology Solutions com 55405Y100 250 3,900 SH   SOLE   3,900 0 0
Magnolia Oil & Gas Corp. com 559663109 188 12,000 SH   SOLE   12,000 0 0
Malibu Boats, Inc. com 56117J100 3,419 46,630 SH   SOLE   34,030 0 12,600
Masonite Intl Corp. com 575385109 2,468 22,075 SH   SOLE   16,480 0 5,595
Mastercard, Inc. com 57636Q104 491 1,344 SH   SOLE   0 0 1,344
Materion Corp. com 576690101 249 3,300 SH   SOLE   3,300 0 0
Maxlinear, Inc. Class A com 57776J100 1,506 35,450 SH   SOLE   11,350 0 24,100
McDonald's Corporation com 580135101 249 1,079 SH   SOLE   0 0 1,079
Medifast, Inc. com 58470H101 283 1,000 SH   SOLE   1,000 0 0
Mercantile Bank Corp. com 587376104 1,089 36,074 SH   SOLE   21,500 0 14,574
Merit Medical System Inc com 589889104 226 3,500 SH   SOLE   3,500 0 0
Microsoft Corp. com 594918104 767 2,830 SH   SOLE   0 0 2,830
Model N, Inc. com 607525102 3,198 93,310 SH   SOLE   70,110 0 23,200
Movado Group, Inc. com 624580106 1,517 48,200 SH   SOLE   48,200 0 0
NOV, Inc. com 62955J103 196 12,800 SH   SOLE   12,800 0 0
Natural Grocers By Vitamin C com 63888U108 335 31,200 SH   SOLE   31,200 0 0
Neuronetics, Inc. com 64131A105 1,258 78,500 SH   SOLE   78,500 0 0
Newmont Mining com 651639106 392 6,183 SH   SOLE   400 0 5,783
OOMA Inc. com 683416101 930 49,300 SH   SOLE   49,300 0 0
Option Care Health Inc. com 68404L201 236 10,800 SH   SOLE   10,800 0 0
Organogenesis Hlgs, Inc. com 68621F102 9,334 561,608 SH   SOLE   466,008 0 95,600
PDC Energy, Inc. com 69327R101 201 4,400 SH   SOLE   4,400 0 0
PROG Holdings, Inc. com 74319R101 217 4,500 SH   SOLE   4,500 0 0
Patrick Industries, Inc. com 703343103 212 2,900 SH   SOLE   2,900 0 0
Patterson-Uti Energy, Inc. com 703481101 1,133 114,000 SH   SOLE   114,000 0 0
Perficient Inc. com 71375U101 1,809 22,500 SH   SOLE   22,500 0 0
Preformed Line Prods Co. com 740444104 519 7,000 SH   SOLE   7,000 0 0
RPC, Inc. com 749660106 938 189,400 SH   SOLE   189,400 0 0
Radnet, Inc. com 750491102 2,405 71,400 SH   SOLE   71,400 0 0
Rapid7, Inc. com 753422104 1,610 17,010 SH   SOLE   5,350 0 11,660
Realogy Hldgs Corp. com 75605Y106 211 11,600 SH   SOLE   11,600 0 0
Red Robin Gourmet Burger com 75689M101 2,622 79,200 SH   SOLE   79,200 0 0
Resmed Inc. com 761152107 357 1,450 SH   SOLE   0 0 1,450
Sea Ltd com 81141R100 15,615 56,863 SH   SOLE   56,863 0 0
Select Medical Hldgs. Corp com 81619Q105 347 8,200 SH   SOLE   8,200 0 0
Shopify, Inc. com 82509L107 4,850 3,320 SH   SOLE   3,320 0 0
Shutterstock, Inc. com 825690100 7,489 76,282 SH   SOLE   50,999 0 25,283
Shyft Group, Inc. com 825698103 1,025 27,400 SH   SOLE   27,400 0 0
Skyline Champion Corporation com 830830105 298 5,600 SH   SOLE   5,600 0 0
Sterling Construction Co., Inc com 859241101 1,486 61,600 SH   SOLE   61,600 0 0
Stewart Information Services com 860372101 249 4,400 SH   SOLE   4,400 0 0
Strattec Security Corp. com 863111100 716 16,100 SH   SOLE   16,100 0 0
Stride, Inc. com 86333M108 254 7,900 SH   SOLE   7,900 0 0
Summit Materials, Inc. com 86614U100 268 7,700 SH   SOLE   7,700 0 0
Superior Industries Intl. Inc. com 868168105 1,315 152,498 SH   SOLE   152,498 0 0
Synaptics, Inc. com 87157D109 8,644 55,560 SH   SOLE   44,840 0 10,720
TTEC Hldgs, Inc. com 89854H102 278 2,700 SH   SOLE   2,700 0 0
Tempur Sealy International, In com 88023U101 1,547 39,471 SH   SOLE   39,201 0 270
Teradata Corp com 88076W103 330 6,600 SH   SOLE   6,600 0 0
The Travelers Co., Inc. com 89417E109 355 2,373 SH   SOLE   0 0 2,373
Titan Machinery, Inc. com 88830R101 897 29,000 SH   SOLE   29,000 0 0
Titan Oil & Gas, Inc. com 888309101 0 10,000 SH   SOLE   0 0 10,000
Trex Company, Inc. com 89531P105 1,844 18,040 SH   SOLE   9,780 0 8,260
TrueBlue, Inc. com 89785X101 1,026 36,500 SH   SOLE   36,500 0 0
Tupperware Corp. com 899896104 1,757 73,990 SH   SOLE   73,990 0 0
Ultra Clean Holdings com 90385V107 4,651 86,580 SH   SOLE   85,970 0 610
Upwork, Inc. com 91688F104 4,959 85,070 SH   SOLE   63,100 0 21,970
VOXX International Corporation com 91829F104 1,177 84,000 SH   SOLE   84,000 0 0
Varex Imaging Corp. com 92214X106 1,534 57,200 SH   SOLE   57,200 0 0
Veritiv Corp. com 923454102 2,549 41,500 SH   SOLE   41,500 0 0
Vishay Precision Group com 92835K103 1,117 32,800 SH   SOLE   32,800 0 0
Vocera Communications, Inc. com 92857F107 1,611 40,426 SH   SOLE   40,426 0 0
Wal Mart Stores Inc. com 931142103 241 1,710 SH   SOLE   0 0 1,710
Xenacare Hldgs, Inc. com 98401A106 0 140,000 SH   SOLE   0 0 140,000
Zumiez Inc. com 989817101 2,342 47,800 SH   SOLE   47,800 0 0
SPDR S&P 500 ETF Trust com 78462F103 1,878 4,388 SH   SOLE   0 0 4,388