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
21Vianet Group, Inc. - ADR com 90138A103 4,257 131,800 SH   SOLE   131,800 0 0
2U, Inc. com 90214J101 229 6,000 SH   SOLE   6,000 0 0
360 DigiTech, Inc. com 88557W101 624 24,000 SH   SOLE   24,000 0 0
ACM Research, Inc. Class A com 00108J109 485 6,000 SH   SOLE   6,000 0 0
AMR Corp Escrow com 001ESC102 0 18,000 SH   SOLE   18,000 0 0
ASGN, Inc. com 00191U102 200 2,100 SH   SOLE   2,100 0 0
Absolute Software Corp. com 00386B109 920 66,300 SH   SOLE   66,300 0 0
Acadia Healthcare Co., Inc. com 00404A109 1,464 25,625 SH   SOLE   7,410 0 18,215
Accuray Inc. com 004397105 401 81,000 SH   SOLE   81,000 0 0
Adient Plc com G0084W101 305 6,900 SH   SOLE   6,900 0 0
Adtran, Inc. com 00738A106 664 39,800 SH   SOLE   39,800 0 0
Advanced Energy Industry, Inc. com 007973100 273 2,500 SH   SOLE   2,500 0 0
Air Transport Services Group, com 00922R105 702 24,000 SH   SOLE   24,000 0 0
Alibaba Group Holding Ltd ADR com 01609W102 435 1,920 SH   SOLE   130 0 1,790
Allied Motion Technologies com 019330109 955 18,600 SH   SOLE   18,600 0 0
Alphabet, Inc. Cl C com 02079k107 207 100 SH   SOLE   0 0 100
Alphatec Hldgs Inc. com 02081G201 6,876 435,460 SH   SOLE   390,450 0 45,010
Amazon.com com 023135106 309 100 SH   SOLE   0 0 100
Amedisys Inc. com 023436108 636 2,402 SH   SOLE   2,402 0 0
Ameresco, Inc. com 02361E108 2,091 43,008 SH   SOLE   43,008 0 0
American Power Corp com 02906T107 0 10,000 SH   SOLE   0 0 10,000
Amgen, Inc. com 031162100 372 1,495 SH   SOLE   0 0 1,495
Amkor Technology Inc. com 031652100 230 9,700 SH   SOLE   9,700 0 0
Angiodynamics, Inc. com 03475v101 2,300 98,300 SH   SOLE   98,300 0 0
Antares Pharma, Inc. com 036642106 824 200,600 SH   SOLE   200,600 0 0
Apple, Inc. com 037833100 905 7,413 SH   SOLE   240 0 7,173
At Home Group, Inc. com 04650Y100 293 10,200 SH   SOLE   10,200 0 0
Avatar Ventures com 05350B100 0 10,000 SH   SOLE   0 0 10,000
Aviat Networks, Inc. com 05366Y201 3,019 42,500 SH   SOLE   42,500 0 0
Avid Bioservices, Inc. com 05368M106 1,575 86,400 SH   SOLE   86,400 0 0
Axcelis Technologies com 054540208 2,974 72,380 SH   SOLE   57,810 0 14,570
BHP Billiton Ltd. ADR com 088606108 211 3,043 SH   SOLE   140 0 2,903
BJs Wholesale Club Holdings, I com 05550J101 3,895 86,830 SH   SOLE   53,410 0 33,420
Baidu Inc. Spon ADR com 056752108 600 2,760 SH   SOLE   2,500 0 260
Bank of New York Mellon Corp. com 064058100 201 4,247 SH   SOLE   0 0 4,247
Beacon Roofing Supply com 073685109 262 5,000 SH   SOLE   5,000 0 0
Bilibili, Inc. Spon ADR com 090040106 2,623 24,500 SH   SOLE   24,500 0 0
Boot Barn Hldgs, Inc. com 099406100 1,770 28,400 SH   SOLE   28,400 0 0
Builders Firstsource com 12008R107 1,062 22,900 SH   SOLE   8,090 0 14,810
CRA Int'l Inc. com 12618T105 1,381 18,500 SH   SOLE   18,500 0 0
Cadence Design System, Inc. com 127387108 2,661 19,424 SH   SOLE   19,424 0 0
Camtek, Ltd. com M20791105 1,375 45,980 SH   SOLE   45,980 0 0
CareDx, Inc. com 14167L103 4,483 65,840 SH   SOLE   50,260 0 15,580
Castle Biosciences, Inc. com 14843C105 6,645 97,070 SH   SOLE   74,370 0 22,700
Central Garden & Pet Co. com 153527106 220 3,800 SH   SOLE   3,800 0 0
Ceva Inc. com 157210105 932 16,600 SH   SOLE   16,600 0 0
ChannelAdvisor Corporation com 159179100 10,077 427,900 SH   SOLE   336,410 0 91,490
Clean Harbors, Inc. com 184496107 303 3,600 SH   SOLE   3,600 0 0
Clearfield, Inc. com 18482P103 651 21,600 SH   SOLE   21,600 0 0
Cohu, Inc. com 192576106 1,325 31,676 SH   SOLE   31,676 0 0
Collegium Pharmaceutical, Inc. com 19459J104 976 41,200 SH   SOLE   41,200 0 0
Commercial Vehicle Group com 202608105 1,389 143,900 SH   SOLE   143,900 0 0
Commvault Systems, Inc. com 204166102 252 3,900 SH   SOLE   3,900 0 0
Concentrix Corp. com 20602D101 284 1,900 SH   SOLE   1,900 0 0
Constellium NV Cl A com F21107101 91,190 6,203,397 SH   SOLE   4,495,839 0 1,707,558
Cornerstone Ondemand, Inc. com 21925Y103 200 4,600 SH   SOLE   4,600 0 0
Crocs, Inc. com 227046109 1,325 16,470 SH   SOLE   16,470 0 0
Cross Country Healthcare, Inc. com 227483104 1,373 109,900 SH   SOLE   109,900 0 0
Daqo New Energy Corp. com 23703Q203 906 12,000 SH   SOLE   12,000 0 0
Daseke, Inc. com 23753F107 1,168 137,600 SH   SOLE   137,600 0 0
Deckers Outdoor Corp. com 243537107 5,326 16,120 SH   SOLE   10,620 0 5,500
Diebold, Inc. com 253651103 1,474 104,300 SH   SOLE   104,300 0 0
Digital Turbine, Inc. com 25400W102 1,211 15,075 SH   SOLE   15,075 0 0
El Pollo Loco Hldgs, Inc. com 268603107 613 38,000 SH   SOLE   38,000 0 0
Employers Holdings, Inc. com 292218104 947 22,000 SH   SOLE   22,000 0 0
EnPro Industries, Inc. com 29355x107 1,057 12,400 SH   SOLE   12,400 0 0
Endava Plc Ads com 29260V105 40,061 473,031 SH   SOLE   346,282 0 126,749
Entravision Communications com 29382r107 1,185 293,300 SH   SOLE   293,300 0 0
Extreme Networks, Inc. com 30226D106 929 106,200 SH   SOLE   106,200 0 0
Farfetch Ltd. com 30744W107 1,023 19,300 SH   SOLE   19,300 0 0
First Foundation Inc. com 32026V104 769 32,800 SH   SOLE   32,800 0 0
Fiverr Intl Ltd. com M4R82T106 73,760 339,624 SH   SOLE   246,094 0 93,530
Flexsteel Inds, Inc. com 339382103 1,046 30,000 SH   SOLE   30,000 0 0
Full House Resorts, Inc. com 359678109 1,298 152,543 SH   SOLE   152,543 0 0
Futu Holdings Ltd. com 36118L106 715 4,500 SH   SOLE   4,500 0 0
Geopark Ltd. com G38327105 200 12,500 SH   SOLE   12,500 0 0
Golden Nugget Online Gaming, I com 38113L107 2,368 175,400 SH   SOLE   175,400 0 0
Green Dot Corp. Cl A com 39304D102 243 5,300 SH   SOLE   5,300 0 0
Griffon Corp. com 398433102 1,000 36,800 SH   SOLE   36,800 0 0
Guess, Inc com 401617105 207 8,800 SH   SOLE   8,800 0 0
Hackett Group, Inc. com 404609109 1,016 62,000 SH   SOLE   62,000 0 0
Halozyme Therapeutics, Inc. com 40637H109 2,872 68,900 SH   SOLE   46,010 0 22,890
Headhunter Group Plc Spon ADR com 42207L106 231 6,800 SH   SOLE   6,800 0 0
Heidrick & Struggles com 422819102 1,554 43,500 SH   SOLE   43,500 0 0
Helix Energy Solutions Group, com 42330p107 421 83,300 SH   SOLE   83,300 0 0
Helmerich & Payne com 423452101 620 22,981 SH   SOLE   9,160 0 13,821
HiMax Technolgies ADR com 43289P106 1,160 85,000 SH   SOLE   85,000 0 0
Hillenbrand, Inc. com 431571108 248 5,200 SH   SOLE   5,200 0 0
ICF International, Inc. com 44925C103 245 2,800 SH   SOLE   2,800 0 0
II-VI Inc. com 902104108 5,672 82,960 SH   SOLE   65,630 0 17,330
Inmode Ltd. com M5425M103 5,222 72,160 SH   SOLE   60,760 0 11,400
Inotiv, Inc. com 45783Q100 1,000 50,000 SH   SOLE   50,000 0 0
Intel Corporation com 458140100 370 5,787 SH   SOLE   0 0 5,787
International Money Express, I com 46005L101 720 48,000 SH   SOLE   48,000 0 0
JP Morgan Chase & Company Inc. com 46625H100 674 4,430 SH   SOLE   140 0 4,290
Johnson & Johnson com 478160104 409 2,487 SH   SOLE   0 0 2,487
Johnson Outdoors, Inc. com 479167108 857 6,000 SH   SOLE   6,000 0 0
KForce, Inc. com 493732101 1,447 27,000 SH   SOLE   27,000 0 0
Kingsoft Cloud Holdings Limite com 49639K101 476 12,100 SH   SOLE   12,100 0 0
Kornit Digital Ltd. com M6372Q113 41,318 416,851 SH   SOLE   301,951 0 114,900
LiqTech International, Inc com 53632A201 1,365 168,729 SH   SOLE   168,729 0 0
Luna Innovations com 550351100 895 85,000 SH   SOLE   85,000 0 0
M/I Homes, Inc. com 55305B101 1,554 26,300 SH   SOLE   26,300 0 0
MYR Group, Inc. com 55405W104 724 10,100 SH   SOLE   10,100 0 0
Macom Technology Solutions com 55405Y100 220 3,800 SH   SOLE   3,800 0 0
Magnachip Semiconductor Corp. com 55933J203 1,800 72,300 SH   SOLE   72,300 0 0
Magnite, Inc. com 55955D100 1,455 34,967 SH   SOLE   19,347 0 15,620
Malibu Boats, Inc. com 56117J100 3,646 45,760 SH   SOLE   33,030 0 12,730
Masonite Intl Corp. com 575385109 2,627 22,795 SH   SOLE   17,080 0 5,715
Mastercard, Inc. com 57636Q104 478 1,344 SH   SOLE   0 0 1,344
Maxlinear, Inc. Class A com 57776J100 1,263 37,050 SH   SOLE   12,350 0 24,700
McDonald's Corporation com 580135101 241 1,076 SH   SOLE   0 0 1,076
Mercantile Bank Corp. com 587376104 1,184 36,472 SH   SOLE   21,500 0 14,972
Merit Medical System Inc com 589889104 210 3,500 SH   SOLE   3,500 0 0
Microsoft Corp. com 594918104 679 2,880 SH   SOLE   0 0 2,880
Model N, Inc. com 607525102 3,334 94,640 SH   SOLE   71,740 0 22,900
Movado Group, Inc. com 624580106 1,209 42,500 SH   SOLE   42,500 0 0
NOV, Inc. com 62955J103 176 12,800 SH   SOLE   12,800 0 0
Natural Grocers By Vitamin C com 63888U108 548 31,200 SH   SOLE   31,200 0 0
Neuronetics, Inc. com 64131A105 971 78,500 SH   SOLE   78,500 0 0
Newmont Mining com 651639106 372 6,176 SH   SOLE   400 0 5,776
Nextgen Healthcare, Inc. com 65343C102 230 12,700 SH   SOLE   12,700 0 0
OOMA Inc. com 683416101 941 59,400 SH   SOLE   59,400 0 0
Option Care Health Inc. com 68404L201 181 10,200 SH   SOLE   10,200 0 0
Organogenesis Hlgs, Inc. com 68621F102 8,881 487,420 SH   SOLE   391,820 0 95,600
Patterson-Uti Energy, Inc. com 703481101 813 114,000 SH   SOLE   114,000 0 0
PennyMac Finl Svcs, Inc. com 70932M107 207 3,100 SH   SOLE   3,100 0 0
Perficient Inc. com 71375U101 1,321 22,500 SH   SOLE   22,500 0 0
Pinduoduo Inc. com 722304102 1,138 8,500 SH   SOLE   8,500 0 0
Preformed Line Prods Co. com 740444104 481 7,000 SH   SOLE   7,000 0 0
RPC, Inc. com 749660106 1,023 189,400 SH   SOLE   189,400 0 0
Radnet, Inc. com 750491102 1,349 62,000 SH   SOLE   62,000 0 0
Rapid7, Inc. com 753422104 1,961 26,280 SH   SOLE   14,450 0 11,830
Realogy Hldgs Corp. com 75605Y106 227 15,000 SH   SOLE   15,000 0 0
Resmed Inc. com 761152107 281 1,450 SH   SOLE   0 0 1,450
Ribbon Communications, Inc. com 762544104 832 101,400 SH   SOLE   101,400 0 0
Sea Ltd com 81141R100 11,176 50,063 SH   SOLE   50,063 0 0
Select Medical Hldgs. Corp com 81619Q105 317 9,300 SH   SOLE   9,300 0 0
Shopify, Inc. com 82509L107 3,231 2,920 SH   SOLE   2,920 0 0
Shutterstock, Inc. com 825690100 6,337 71,169 SH   SOLE   45,774 0 25,395
Shyft Group, Inc. com 825698103 1,019 27,400 SH   SOLE   27,400 0 0
Stewart Information Services com 860372101 229 4,400 SH   SOLE   4,400 0 0
Strattec Security Corp. com 863111100 755 16,100 SH   SOLE   16,100 0 0
Synaptics, Inc. com 87157D109 6,676 49,300 SH   SOLE   38,580 0 10,720
TTEC Hldgs, Inc. com 89854H102 221 2,200 SH   SOLE   2,200 0 0
Tal Education Group ADR com 874080104 539 10,000 SH   SOLE   10,000 0 0
Tempur Sealy International, In com 88023U101 1,567 42,865 SH   SOLE   42,595 0 270
Tencent Music Entertainment com 88034P109 717 35,000 SH   SOLE   35,000 0 0
Teradata Corp com 88076W103 220 5,700 SH   SOLE   5,700 0 0
The Travelers Co., Inc. com 89417E109 367 2,440 SH   SOLE   0 0 2,440
Titan Oil & Gas, Inc. com 888309101 0 10,000 SH   SOLE   0 0 10,000
Trex Company, Inc. com 89531P105 1,670 18,240 SH   SOLE   9,780 0 8,460
Trip.com Group Limited com 89677Q107 1,189 30,000 SH   SOLE   30,000 0 0
Tupperware Corp. com 899896104 5,135 194,440 SH   SOLE   194,440 0 0
Ultra Clean Holdings com 90385V107 4,655 80,210 SH   SOLE   79,600 0 610
Universal FST Prods Inc. com 90278Q108 265 3,500 SH   SOLE   3,500 0 0
Upland Software, Inc. com 91544A109 1,350 28,600 SH   SOLE   28,600 0 0
Upwork, Inc. com 91688F104 8,299 185,370 SH   SOLE   116,370 0 69,000
VOXX International Corporation com 91829F104 1,285 67,400 SH   SOLE   67,400 0 0
Varex Imaging Corp. com 92214X106 615 30,000 SH   SOLE   30,000 0 0
Veritiv Corp. com 923454102 1,531 36,000 SH   SOLE   36,000 0 0
Vishay Precision Group com 92835K103 893 29,000 SH   SOLE   29,000 0 0
Vocera Communications, Inc. com 92857F107 1,186 30,826 SH   SOLE   30,826 0 0
Vonage Hldgs Corp com 92886T201 1,787 151,210 SH   SOLE   85,030 0 66,180
Wal Mart Stores Inc. com 931142103 239 1,758 SH   SOLE   0 0 1,758
XPeng, Inc. com 98422D105 548 15,000 SH   SOLE   15,000 0 0
Xenacare Hldgs, Inc. com 98401A106 0 140,000 SH   SOLE   0 0 140,000
Zhihu, Inc com 98955N108 365 45,000 SH   SOLE   45,000 0 0
Zumiez Inc. com 989817101 1,729 40,300 SH   SOLE   40,300 0 0
SPDR S&P 500 ETF Trust com 78462F103 1,735 4,377 SH   SOLE   0 0 4,377