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
Plug Power Inc. Common Stock 72919P202 4,026 1,137,262 SH   SOLE   36,702 0 1,100,560
IsoRay, Inc. Common Stock 46489V104 573 1,081,046 SH   SOLE   339,998 0 741,048
Orion Energy Systems, Inc. Common Stock 686275108 2,790 754,061 SH   SOLE   101,450 0 652,611
SeaChange International, Inc. Common Stock 811699107 2,457 660,497 SH   SOLE   114,331 0 546,166
Milestone Scientific Inc. Common Stock 59935P209 706 565,071 SH   SOLE   177,417 0 387,654
Nordic American Tankers Limited Common Stock G65773106 2,411 532,236 SH   SOLE   22,861 0 509,375
iCAD, Inc. Common Stock 44934S206 3,748 510,665 SH   SOLE   66,308 0 444,357
GROWGENERATION COR Common Stock 39986L109 1,860 488,235 SH   SOLE   75,516 0 412,719
U.S. Auto Parts Network, Inc. Common Stock 90343C100 783 447,606 SH   SOLE   140,011 0 307,595
PAVmed Inc. Common Stock 70387R106 862 435,289 SH   SOLE   136,475 0 298,814
Luna Innovations Incorporated Common Stock 550351100 2,675 434,929 SH   SOLE   59,499 0 375,430
Universal Technical Institute, Inc. Common Stock 913915104 2,560 430,252 SH   SOLE   68,296 0 361,956
Ardelyx, Inc. Common Stock 039697107 2,335 410,734 SH   SOLE   52,625 0 358,109
Kadmon Holdings, Inc. Common Stock 48283N106 1,664 397,036 SH   SOLE   0 0 397,036
Infinera Corporation Common Stock 45667G103 2,064 389,369 SH   SOLE   15,767 0 373,602
the Rubicon Project, Inc. Common Stock 78112V102 2,148 387,046 SH   SOLE   13,470 0 373,576
FlexShopper, Inc. Common Stock 33939J303 457 359,859 SH   SOLE   113,033 0 246,826
Repro Med Systems, Inc. Common Stock 759910102 2,609 347,820 SH   SOLE   62,044 0 285,776
Ocular Therapeutix, Inc. Common Stock 67576A100 1,713 346,075 SH   SOLE   43,817 0 302,258
Aspen Group, Inc. Common Stock 04530L203 2,591 324,319 SH   SOLE   44,479 0 279,840
DHT Holdings, Inc. Common Stock Y2065G121 2,432 317,020 SH   SOLE   14,020 0 303,000
Veru Inc. Common Stock 92536C103 1,026 313,719 SH   SOLE   98,214 0 215,505
PCTEL, Inc. Common Stock 69325Q105 2,071 311,493 SH   SOLE   43,847 0 267,646
Sharps Compliance Corp. Common Stock 820017101 2,443 307,699 SH   SOLE   65,915 0 241,784
Celsius Holdings, Inc. Common Stock 15118V207 1,206 286,374 SH   SOLE   0 0 286,374
Sportsman's Warehouse Holdings, Inc. Common Stock 84920Y106 1,713 278,125 SH   SOLE   36,548 0 241,577
Zynga Inc. Common Stock 98986T108 1,790 261,267 SH   SOLE   19,385 0 241,882
Pfenex Inc. Common Stock 717071104 2,232 253,077 SH   SOLE   41,495 0 211,582
Verastem, Inc. Common Stock 92337C104 575 217,759 SH   SOLE   68,469 0 149,290
Limelight Networks, Inc. Common Stock 53261M104 1,195 209,703 SH   SOLE   0 0 209,703
Stereotaxis, Inc. Common Stock 85916J409 610 202,071 SH   SOLE   63,473 0 138,598
Kala Pharmaceuticals, Inc. Common Stock 483119103 1,770 201,399 SH   SOLE   8,591 0 192,808
Aspen Aerogels, Inc. Common Stock 04523Y105 1,138 185,339 SH   SOLE   58,334 0 127,005
Ovid Therapeutics Inc. Common Stock 690469101 550 184,728 SH   SOLE   57,874 0 126,854
Innovative Solutions and Support, Inc. Common Stock 45769N105 582 182,570 SH   SOLE   57,338 0 125,232
Karyopharm Therapeutics Inc. Common Stock 48576U106 3,436 178,844 SH   SOLE   5,426 0 173,418
RADA Electronic Industries Ltd. Common Stock M81863124 609 174,137 SH   SOLE   174,137 0 0
RED VIOLET INC Common Stock 75704L104 3,087 171,499 SH   SOLE   25,750 0 145,749
XPEL, Inc. Common Stock 98379L100 1,711 170,735 SH   SOLE   28,127 0 142,608
Fulgent Genetics, Inc. Common Stock 359664109 1,807 167,902 SH   SOLE   23,367 0 144,535
Sprout Social, Inc. Common Stock 85209W109 2,503 156,858 SH   SOLE   5,759 0 151,099
Inseego Corp. Common Stock 45782B104 973 156,108 SH   SOLE   0 0 156,108
Ameresco, Inc. Common Stock 02361E108 2,631 154,478 SH   SOLE   6,077 0 148,401
ADDvantage Technologies Group, Inc. Common Stock 006743306 324 147,138 SH   SOLE   46,283 0 100,855
MTBC, Inc. Common Stock 55378G102 807 146,792 SH   SOLE   46,044 0 100,748
CLEARPOINT NEURO Common Stock 18507C103 489 136,525 SH   SOLE   42,872 0 93,653
Cytosorbents Corporation Common Stock 23283X206 1,052 136,098 SH   SOLE   15,196 0 120,902
Brainstorm Cell Therapeutics Inc. Common Stock 10501E201 603 129,929 SH   SOLE   40,869 0 89,060
SilverCrest Metals Inc. Common Stock 828363101 666 128,637 SH   SOLE   128,141 0 496
EVERQUOTE INC Common Stock 30041R108 3,327 126,742 SH   SOLE   4,709 0 122,033
eGain Corporation Common Stock 28225C806 901 122,966 SH   SOLE   38,692 0 84,274
Perion Network Ltd. Common Stock M78673114 597 122,006 SH   SOLE   121,522 0 484
American Software, Inc. Common Stock 029683109 1,718 120,910 SH   SOLE   0 0 120,910
Perma-Fix Environmental Services, Inc. Common Stock 714157203 626 120,084 SH   SOLE   37,581 0 82,503
Chembio Diagnostics, Inc. Common Stock 163572209 613 119,666 SH   SOLE   37,625 0 82,041
Communications Systems, Inc. Common Stock 203900105 526 118,046 SH   SOLE   36,921 0 81,125
Electromed, Inc. Common Stock 285409108 1,320 117,407 SH   SOLE   36,811 0 80,596
Zynex, Inc. Common Stock 98986M103 1,296 117,029 SH   SOLE   0 0 117,029
Owens & Minor, Inc. Common Stock 690732102 1,046 114,358 SH   SOLE   0 0 114,358
InfuSystem Holdings Inc. Common Stock 45685K102 947 111,544 SH   SOLE   34,998 0 76,546
PROVENTION BIO INC Common Stock 74374N102 1,017 110,544 SH   SOLE   0 0 110,544
Nuance Communications, Inc. Common Stock 67020Y100 1,835 109,368 SH   SOLE   8,131 0 101,237
MegaChips Corporation Common Stock 82982T106 2,378 109,222 SH   SOLE   16,197 0 93,025
Adverum Biotechnologies, Inc. Common Stock 00773U108 1,046 107,030 SH   SOLE   0 0 107,030
Crown Crafts, Inc. Common Stock 228309100 506 105,823 SH   SOLE   33,218 0 72,605
NEUBASE THERAPEUTI Common Stock 64132K102 741 104,013 SH   SOLE   32,666 0 71,347
Collegium Pharmaceutical, Inc. Common Stock 19459J104 1,650 101,067 SH   SOLE   0 0 101,067
Envision Solar International, Inc. Common Stock 29413Q201 762 100,426 SH   SOLE   31,475 0 68,951
FormFactor, Inc. Common Stock 346375108 1,957 97,430 SH   SOLE   4,387 0 93,043
Cipla Limited Common Stock 05360L205 861 96,255 SH   SOLE   30,228 0 66,027
Agilysys, Inc. Common Stock 00847J105 1,603 95,973 SH   SOLE   10,264 0 85,709
ChemoCentryx, Inc. Common Stock 16383L106 3,838 95,531 SH   SOLE   2,736 0 92,795
Mastech Digital, Inc. Common Stock 57633B100 1,200 93,471 SH   SOLE   29,311 0 64,160
REPAY HLDGS CORP Common Stock 76029L100 1,330 92,654 SH   SOLE   0 0 92,654
Rambus Inc. Common Stock 750917106 1,018 91,715 SH   SOLE   6,904 0 84,811
ACM Research, Inc. Common Stock 00108J109 2,704 91,316 SH   SOLE   10,870 0 80,446
Cloudflare, Inc. Common Stock 18915M107 2,134 90,876 SH   SOLE   6,764 0 84,112
Castle Biosciences, Inc. Common Stock 14843C105 2,688 90,163 SH   SOLE   3,444 0 86,719
Global Medical REIT Inc. Common Stock 37954A204 911 89,987 SH   SOLE   12,043 0 77,944
OraSure Technologies, Inc. Common Stock 68554V108 949 88,238 SH   SOLE   0 0 88,238
Virgin.com Limited Common Stock 92766K106 1,271 85,997 SH   SOLE   6,392 0 79,605
AtriCure, Inc. Common Stock 04963C209 2,879 85,716 SH   SOLE   3,430 0 82,286
Revance Therapeutics, Inc. Common Stock 761330109 1,262 85,302 SH   SOLE   0 0 85,302
CERENCE INC Common Stock 156727109 1,311 85,156 SH   SOLE   0 0 85,156
Model N, Inc. Common Stock 607525102 1,885 84,880 SH   SOLE   2,950 0 81,930
MOLECULAR Common Stock 608550109 1,113 83,713 SH   SOLE   26,300 0 57,413
PAR Technology Corporation Common Stock 698884103 1,077 83,711 SH   SOLE   10,268 0 73,443
Transcat, Inc. Common Stock 893529107 2,183 82,359 SH   SOLE   13,072 0 69,287
Pure Cycle Corporation Common Stock 746228303 912 81,806 SH   SOLE   25,721 0 56,085
Victory Capital Holdings, Inc. Common Stock 92645B103 1,280 78,250 SH   SOLE   5,857 0 72,393
NeoGenomics, Inc. Common Stock 64049M209 2,090 75,705 SH   SOLE   5,638 0 70,067
Axsome Therapeutics, Inc. Common Stock 05464T104 4,426 75,235 SH   SOLE   5,276 0 69,959
NanoString Technologies, Inc. Common Stock 63009R109 1,791 74,485 SH   SOLE   2,969 0 71,516
The LGL Group, Inc. Common Stock 50186A108 662 74,172 SH   SOLE   23,208 0 50,964
Northwest Pipe Company Common Stock 667746101 1,636 73,541 SH   SOLE   12,572 0 60,969
BELLUS Health Inc. Common Stock 07987C204 727 72,811 SH   SOLE   72,811 0 0
Casella Waste Systems, Inc. Common Stock 147448104 2,825 72,335 SH   SOLE   2,734 0 69,601
Iovance Biotherapeutics, Inc. Common Stock 462260100 2,148 71,772 SH   SOLE   5,363 0 66,409
Krystal Biotech, Inc. Common Stock 501147102 3,002 69,430 SH   SOLE   8,033 0 61,397
Dicerna Pharmaceuticals, Inc. Common Stock 253031108 1,266 68,915 SH   SOLE   0 0 68,915
APREA THERAPEUTICS Common Stock 03836J102 2,368 68,119 SH   SOLE   2,855 0 65,264
Epizyme, Inc. Common Stock 29428V104 1,052 67,810 SH   SOLE   5,104 0 62,706
Fate Therapeutics, Inc. Common Stock 31189P102 1,502 67,647 SH   SOLE   5,088 0 62,559
Profound Medical Corp. Common Stock 74319B502 605 63,602 SH   SOLE   63,371 0 231
Photronics, Inc. Common Stock 719405102 651 63,464 SH   SOLE   0 0 63,464
Principia Biopharma Inc. Common Stock 74257L108 3,672 61,831 SH   SOLE   2,108 0 59,723
PennyMac Financial Services, Inc. Common Stock 70932M107 1,342 60,691 SH   SOLE   2,829 0 57,862
Spartan Motors, Inc. Common Stock 846819100 783 60,612 SH   SOLE   0 0 60,612
Gentex Corporation Common Stock 371901109 1,343 60,608 SH   SOLE   4,505 0 56,103
DYNATRACE INC Common Stock 268150109 1,437 60,263 SH   SOLE   4,499 0 55,764
Momenta Pharmaceuticals, Inc. Common Stock 60877T100 1,639 60,256 SH   SOLE   4,517 0 55,739
Luminex Corporation Common Stock 55027E102 1,654 60,086 SH   SOLE   0 0 60,086
Hannon Armstrong Sustainable Infrastruct Common Stock 41068X100 1,161 56,873 SH   SOLE   4,270 0 52,603
Bioxcel Therapeutics, Inc. Common Stock 09075P105 1,247 55,775 SH   SOLE   0 0 55,775
EIDOS THERAPEUTICS Common Stock 28249H104 2,721 55,532 SH   SOLE   1,906 0 53,626
Iridium Communications Inc. Common Stock 46269C102 1,203 53,890 SH   SOLE   4,038 0 49,852
MIRUM PHARMACEUTIC Common Stock 604749101 754 53,832 SH   SOLE   0 0 53,832
GlobalSCAPE, Inc. Common Stock 37940G109 366 51,401 SH   SOLE   16,144 0 35,257
CANNAE HLDGS INC Common Stock 13765N107 1,680 50,157 SH   SOLE   3,733 0 46,424
Enphase Energy, Inc. Common Stock 29355A107 1,611 49,889 SH   SOLE   3,724 0 46,165
CyberOptics Corporation Common Stock 232517102 828 48,390 SH   SOLE   15,145 0 33,245
Inspire Medical Systems, Inc. Common Stock 457730109 2,904 48,173 SH   SOLE   1,976 0 46,197
Pro-Dex, Inc. Common Stock 74265M205 758 46,848 SH   SOLE   14,695 0 32,153
Ares Management Corporation Common Stock 03990B101 1,448 46,822 SH   SOLE   3,481 0 43,341
PALOMAR HOLDINGS Common Stock 69753M105 2,712 46,633 SH   SOLE   1,868 0 44,765
CEVA, Inc. Common Stock 157210105 1,156 46,376 SH   SOLE   0 0 46,376
B. Riley Financial, Inc. Common Stock 05580M108 819 44,439 SH   SOLE   0 0 44,439
First Industrial Realty Trust, Inc. Common Stock 32054K103 1,461 43,969 SH   SOLE   3,302 0 40,667
ARCOSA INC Common Stock 039653100 1,708 42,968 SH   SOLE   3,194 0 39,774
QTS Realty Trust, Inc. Common Stock 74736A103 2,451 42,258 SH   SOLE   3,161 0 39,097
Sapiens International Corporation N.V. Common Stock G7T16G103 789 41,481 SH   SOLE   41,481 0 0
Phreesia, Inc. Common Stock 71944F106 867 41,208 SH   SOLE   0 0 41,208
BRT Apartments Corp. Common Stock 055645303 417 40,676 SH   SOLE   12,789 0 27,887
KARUNA THERAPEUTIC Common Stock 48576A100 2,917 40,516 SH   SOLE   1,454 0 39,062
OrthoPediatrics Corp. Common Stock 68752L100 1,588 40,062 SH   SOLE   0 0 40,062
Werner Enterprises, Inc. Common Stock 950755108 1,448 39,925 SH   SOLE   2,998 0 36,927
XOMA Corporation Common Stock 98419J206 806 39,609 SH   SOLE   12,397 0 27,212
Rexford Industrial Realty, Inc. Common Stock 76169C100 1,612 39,303 SH   SOLE   2,915 0 36,388
KODIAK SCIENCES Common Stock 50015M109 1,840 38,582 SH   SOLE   0 0 38,582
BlackLine, Inc. Common Stock 09239B109 1,878 35,702 SH   SOLE   2,680 0 33,022
Lawson Products, Inc. Common Stock 520776105 934 34,949 SH   SOLE   4,861 0 30,088
Freshpet, Inc. Common Stock 358039105 2,193 34,331 SH   SOLE   2,545 0 31,786
Tandem Diabetes Care, Inc. Common Stock 875372203 2,084 32,380 SH   SOLE   2,416 0 29,964
Entegris, Inc. Common Stock 29362U104 1,418 31,677 SH   SOLE   2,353 0 29,324
Five9, Inc. Common Stock 338307101 2,370 30,992 SH   SOLE   2,302 0 28,690
Cogent Communications Holdings, Inc. Common Stock 19239V302 2,533 30,904 SH   SOLE   2,296 0 28,608
GOOSEHEAD INS INC Common Stock 38267D109 1,365 30,590 SH   SOLE   2,289 0 28,301
Terreno Realty Corporation Common Stock 88146M101 1,577 30,466 SH   SOLE   2,265 0 28,201
Addus HomeCare Corporation Common Stock 006739106 2,055 30,405 SH   SOLE   1,234 0 29,171
UFP Technologies, Inc. Common Stock 902673102 1,146 30,097 SH   SOLE   9,463 0 20,634
BILL COM HLDGS Common Stock 090043100 1,021 29,862 SH   SOLE   2,256 0 27,606
Safehold Inc. Common Stock 78645L100 1,873 29,625 SH   SOLE   0 0 29,625
Generac Holdings Inc. Common Stock 368736104 2,731 29,309 SH   SOLE   2,188 0 27,121
Vectrus, Inc. Common Stock 92242T101 1,206 29,123 SH   SOLE   0 0 29,123
Advanced Drainage Systems, Inc. Common Stock 00790R104 847 28,777 SH   SOLE   2,107 0 26,670
Gibraltar Industries, Inc. Common Stock 374689107 1,217 28,359 SH   SOLE   2,134 0 26,225
Synaptics Incorporated Common Stock 87157D109 1,624 28,064 SH   SOLE   2,086 0 25,978
Inphi Corporation Common Stock 45772F107 2,211 27,932 SH   SOLE   2,087 0 25,845
Axcelis Technologies, Inc. Common Stock 054540208 509 27,803 SH   SOLE   0 0 27,803
Teladoc Health, Inc. Common Stock 87918A105 3,963 25,568 SH   SOLE   1,915 0 23,653
Varonis Systems, Inc. Common Stock 922280102 1,621 25,465 SH   SOLE   1,915 0 23,550
iRhythm Technologies, Inc. Common Stock 450056106 2,065 25,382 SH   SOLE   1,894 0 23,488
Lumentum Holdings Inc. Common Stock 55024U109 1,851 25,120 SH   SOLE   1,867 0 23,253
Axon Enterprise, Inc. Common Stock 05464C101 1,743 24,628 SH   SOLE   1,847 0 22,781
Nova Measuring Instruments Ltd. Common Stock M7516K103 787 24,096 SH   SOLE   24,096 0 0
Acceleron Pharma Inc. Common Stock 00434H108 2,135 23,759 SH   SOLE   1,767 0 21,992
Medpace Holdings, Inc. Common Stock 58506Q109 1,715 23,378 SH   SOLE   1,748 0 21,630
Universal Forest Products, Inc. Common Stock 913543104 867 23,318 SH   SOLE   1,707 0 21,611
Repligen Corporation Common Stock 759916109 2,245 23,259 SH   SOLE   1,733 0 21,526
Everbridge, Inc. Common Stock 29978A104 2,471 23,232 SH   SOLE   1,735 0 21,497
Global Blood Therapeutics, Inc. Common Stock 37890U108 1,182 23,126 SH   SOLE   1,731 0 21,395
Pegasystems Inc. Common Stock 705573103 1,632 22,905 SH   SOLE   1,712 0 21,193
PURPLE INNOVATION Common Stock 74640Y106 129 22,703 SH   SOLE   0 0 22,703
Papa John's International, Inc. Common Stock 698813102 1,181 22,136 SH   SOLE   1,643 0 20,493
Zscaler, Inc. Common Stock 98980G102 1,326 21,795 SH   SOLE   1,612 0 20,183
AMN Healthcare Services, Inc. Common Stock 001744101 1,212 20,972 SH   SOLE   1,538 0 19,434
Cirrus Logic, Inc. Common Stock 172755100 1,372 20,909 SH   SOLE   1,567 0 19,342
ESCO Technologies Inc. Common Stock 296315104 1,578 20,793 SH   SOLE   1,549 0 19,244
Tetra Tech, Inc. Common Stock 88162G103 1,462 20,705 SH   SOLE   1,542 0 19,163
Kornit Digital Ltd. Common Stock M6372Q113 513 20,598 SH   SOLE   20,545 0 53
NextCure, Inc. Common Stock 65343E108 722 19,485 SH   SOLE   0 0 19,485
MyoKardia, Inc. Common Stock 62857M105 855 18,239 SH   SOLE   1,373 0 16,866
Kinsale Capital Group, Inc. Common Stock 49714P108 1,900 18,181 SH   SOLE   1,359 0 16,822
Cohu, Inc. Common Stock 192576106 222 17,962 SH   SOLE   0 0 17,962
Quidel Corporation Common Stock 74838J101 1,736 17,750 SH   SOLE   1,325 0 16,425
FTI Consulting, Inc. Common Stock 302941109 2,112 17,631 SH   SOLE   1,310 0 16,321
LHC Group, Inc. Common Stock 50187A107 2,446 17,444 SH   SOLE   1,310 0 16,134
eHealth, Inc. Common Stock 28238P109 2,447 17,377 SH   SOLE   1,298 0 16,079
LGI Homes, Inc. Common Stock 50187T106 783 17,338 SH   SOLE   1,289 0 16,049
Nevro Corp. Common Stock 64157F103 1,628 16,288 SH   SOLE   1,209 0 15,079
Itron, Inc. Common Stock 465741106 859 15,392 SH   SOLE   1,156 0 14,236
Power Integrations, Inc. Common Stock 739276103 1,340 15,169 SH   SOLE   1,128 0 14,041
The Scotts Miracle-Gro Company Common Stock 810186106 1,551 15,151 SH   SOLE   1,130 0 14,021
Amedisys, Inc. Common Stock 023436108 2,676 14,581 SH   SOLE   1,090 0 13,491
SiteOne Landscape Supply, Inc. Common Stock 82982L103 986 13,399 SH   SOLE   998 0 12,401
Paylocity Holding Corporation Common Stock 70438V106 1,118 12,661 SH   SOLE   951 0 11,710
Charles River Laboratories International Common Stock 159864107 1,520 12,046 SH   SOLE   902 0 11,144
Reata Pharmaceuticals, Inc. Common Stock 75615P103 1,700 11,779 SH   SOLE   577 0 11,202
MKS Instruments, Inc. Common Stock 55306N104 951 11,672 SH   SOLE   872 0 10,800
I3 VERTICALS INC Common Stock 46571Y107 212 11,092 SH   SOLE   0 0 11,092
Deckers Outdoor Corporation Common Stock 243537107 1,335 9,966 SH   SOLE   740 0 9,226
Insulet Corporation Common Stock 45784P101 1,616 9,756 SH   SOLE   725 0 9,031
Masimo Corporation Common Stock 574795100 1,714 9,678 SH   SOLE   720 0 8,958
CACI International Inc Common Stock 127190304 1,873 8,869 SH   SOLE   660 0 8,209
WD-40 Company Common Stock 929236107 1,712 8,523 SH   SOLE   631 0 7,892