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
AIR LEASE CORP CL A 00912X302 475 10,000 SH   DFND 3 10,000 0 0
AIR LEASE CORP CL A 00912X302 1,758 37,000 SH   SOLE   37,000 0 0
AIR LEASE CORP CL A 00912X302 1,901 40,000 SH   DFND 1 40,000 0 0
AIR LEASE CORP CL A 00912X302 2,281 48,000 SH   DFND 2 48,000 0 0
AKAMAI TECHNOLOGIES INC COM 00971T101 2,937 34,000 SH   DFND 2 34,000 0 0
AKAMAI TECHNOLOGIES INC COM 00971T101 1,857 21,500 SH   SOLE   21,500 0 0
ALPHA PRO TECH LTD COM 020772109 292 85,000 SH   SOLE   85,000 0 0
APPIAN CORP CL A 03782L101 96 2,500 SH   SOLE   2,500 0 0
APPIAN CORP CL A 03782L101 382 10,000 SH   DFND 2 10,000 0 0
APPIAN CORP CL A 03782L101 955 25,000 SH   DFND 3 25,000 0 0
APPLE INC COM 037833100 5,873 20,000 SH   SOLE   20,000 0 0
APPLE INC COM 037833100 793 2,700 SH   DFND 2 2,700 0 0
APPLIED MATLS INC COM 038222105 549 9,000 SH   DFND 2 9,000 0 0
ASPEN AEROGELS INC COM 04523Y105 2,911 375,150 SH   DFND 2 375,150 0 0
ASPEN AEROGELS INC COM 04523Y105 1,026 132,200 SH   SOLE   132,200 0 0
ASPEN AEROGELS INC COM 04523Y105 212 27,300 SH   DFND 1 27,300 0 0
ASPEN AEROGELS INC COM 04523Y105 2,871 370,000 SH   DFND 3 370,000 0 0
AXT INC COM 00246W103 152 35,000 SH   DFND 3 35,000 0 0
BECTON DICKINSON & CO COM 075887109 5,439 20,000 SH   DFND 2 20,000 0 0
BILL COM HLDGS INC COM 090043100 401 10,545 SH   DFND 1 10,545 0 0
BILL COM HLDGS INC COM 090043100 167 4,385 SH   DFND 3 4,385 0 0
BILL COM HLDGS INC COM 090043100 270 7,085 SH   SOLE   7,085 0 0
BILL COM HLDGS INC COM 090043100 304 7,985 SH   DFND 2 7,985 0 0
BOEING CO COM 097023105 6,515 20,000 SH   DFND 1 20,000 0 0
BOEING CO COM 097023105 1,792 5,500 SH   SOLE   5,500 0 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 517 8,950 SH   SOLE   8,950 0 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 1,267 21,914 SH   DFND 1 21,914 0 0
BROOKFIELD ASSET MGMT INC CL A LTD VT SH 112585104 357 6,173 SH   DFND 2 6,173 0 0
BRUKER CORP COM 116794108 510 10,000 SH   SOLE   10,000 0 0
CAMBIUM NETWORKS CORP SHS G17766109 3,331 381,100 SH   DFND 3 381,100 0 0
CAMBIUM NETWORKS CORP SHS G17766109 96 11,018 SH   SOLE   11,018 0 0
CAMBIUM NETWORKS CORP SHS G17766109 216 24,770 SH   DFND 1 24,770 0 0
CAMBIUM NETWORKS CORP SHS G17766109 748 85,600 SH   DFND 2 85,600 0 0
CARMAX INC COM 143130102 1,797 20,500 SH   SOLE   20,500 0 0
CARMAX INC COM 143130102 7,233 82,500 SH   DFND 2 82,500 0 0
CHANNELADVISOR CORP COM 159179100 45 5,000 SH   SOLE   5,000 0 0
CHANNELADVISOR CORP COM 159179100 271 30,000 SH   DFND 2 30,000 0 0
CHANNELADVISOR CORP COM 159179100 2,531 280,000 SH   DFND 3 280,000 0 0
CHEVRON CORP NEW COM 166764100 482 4,000 SH   SOLE   4,000 0 0
COHU INC COM 192576106 3,142 137,500 SH   DFND 3 137,500 0 0
COMCAST CORP-CLASS A CL A 20030N101 8,994 200,000 SH   DFND 1 200,000 0 0
COMCAST CORP-CLASS A CL A 20030N101 5,172 115,000 SH   DFND 2 115,000 0 0
COMSCORE INC COM 20564W105 71 14,400 SH   SOLE   14,400 0 0
COMSCORE INC COM 20564W105 225 45,600 SH   DFND 1 45,600 0 0
CORNERSTONE ONDEMAND INC COM 21925Y103 761 13,000 SH   DFND 3 13,000 0 0
CORNING INC COM 219350105 1,019 35,000 SH   DFND 2 35,000 0 0
COUPA SOFTWARE INC COM 22266L106 680 4,650 SH   DFND 2 4,650 0 0
COUPA SOFTWARE INC COM 22266L106 154 1,050 SH   SOLE   1,050 0 0
CRA INTL INC COM 12618T105 381 7,000 SH   SOLE   7,000 0 0
CRISPR THERAPEUTICS AG NAMEN AKT H17182108 335 5,500 SH   DFND 3 5,500 0 0
CRYOPORT INC COM PAR $0.001 229050307 560 34,000 SH   SOLE   34,000 0 0
CRYOPORT INC COM PAR $0.001 229050307 82 5,000 SH   DFND 3 5,000 0 0
CRYOPORT INC COM PAR $0.001 229050307 905 55,000 SH   DFND 2 55,000 0 0
DIRTT ENVIRONMENTAL SOLUT LTD COM 25490H106 255 77,000 SH   DFND 1 77,000 0 0
DIRTT ENVIRONMENTAL SOLUT LTD COM 25490H106 209 63,000 SH   SOLE   63,000 0 0
DIRTT ENVIRONMENTAL SOLUT LTD COM 25490H106 108 32,500 SH   DFND 2 32,500 0 0
ECOLOGY & ENVIRONMENT INC CL A 278878103 171 11,025 SH   DFND 2 11,025 0 0
ECOLOGY & ENVIRONMENT INC CL A 278878103 513 33,080 SH   SOLE   33,080 0 0
EMCORE CORP COM NEW 290846203 1,490 490,000 SH   DFND 3 490,000 0 0
ENCOMPASS HEALTH CORP COM 29261A100 4,849 70,000 SH   DFND 1 70,000 0 0
ENTEGRIS INC COM 29362U104 6,837 136,500 SH   DFND 1 136,500 0 0
ENTEGRIS INC COM 29362U104 7,263 145,000 SH   SOLE   145,000 0 0
ENTEGRIS INC COM 29362U104 6,512 130,000 SH   DFND 2 130,000 0 0
EQUINIX INC COM 29444U700 1,167 2,000 SH   SOLE   2,000 0 0
EVERBRIDGE INC COM 29978A104 351 4,500 SH   SOLE   4,500 0 0
EVERBRIDGE INC COM 29978A104 937 12,000 SH   DFND 2 12,000 0 0
FARO TECHNOLOGIES INC COM 311642102 504 10,000 SH   DFND 2 10,000 0 0
FARO TECHNOLOGIES INC COM 311642102 504 10,000 SH   DFND 3 10,000 0 0
FASTLY INC CL A 31188V100 201 10,000 SH   DFND 3 10,000 0 0
FIREEYE INC COM 31816Q101 3,802 230,000 SH   DFND 3 230,000 0 0
FLIR SYS INC COM 302445101 443 8,500 SH   DFND 2 8,500 0 0
FORMFACTOR INC COM 346375108 3,220 124,000 SH   SOLE   124,000 0 0
FORMFACTOR INC COM 346375108 4,155 160,000 SH   DFND 2 160,000 0 0
FORMFACTOR INC COM 346375108 9,090 350,000 SH   DFND 1 350,000 0 0
FREIGHTCAR AMER INC COM 357023100 83 40,000 SH   SOLE   40,000 0 0
FREQUENCY ELECTRS INC COM 358010106 1,021 100,000 SH   SOLE   100,000 0 0
FREQUENCY ELECTRS INC COM 358010106 256 25,100 SH   DFND 3 25,100 0 0
FREQUENCY ELECTRS INC COM 358010106 265 26,000 SH   DFND 2 26,000 0 0
GENMARK DIAGNOSTICS INC COM 372309104 2,886 600,000 SH   DFND 3 600,000 0 0
GENMARK DIAGNOSTICS INC COM 372309104 72 15,000 SH   SOLE   15,000 0 0
GENMARK DIAGNOSTICS INC COM 372309104 649 135,000 SH   DFND 1 135,000 0 0
GENMARK DIAGNOSTICS INC COM 372309104 216 45,000 SH   DFND 2 45,000 0 0
GILEAD SCIENCES INC COM 375558103 2,989 46,000 SH   DFND 1 46,000 0 0
GILEAD SCIENCES INC COM 375558103 845 13,000 SH   SOLE   13,000 0 0
GILEAD SCIENCES INC COM 375558103 5,588 86,000 SH   DFND 2 86,000 0 0
GSE SYS INC COM 36227K106 40 24,029 SH   DFND 2 24,029 0 0
GSE SYS INC COM 36227K106 1,737 1,052,625 SH   SOLE   1,052,625 0 0
GSE SYS INC COM 36227K106 40 24,029 SH   DFND 3 24,029 0 0
HAWAIIAN HOLDINGS INC COM 419879101 658 22,450 SH   SOLE   22,450 0 0
HAWAIIAN HOLDINGS INC COM 419879101 586 20,000 SH   DFND 3 20,000 0 0
HAWAIIAN HOLDINGS INC COM 419879101 2,201 75,150 SH   DFND 1 75,150 0 0
HAWAIIAN HOLDINGS INC COM 419879101 308 10,500 SH   DFND 2 10,500 0 0
HONEYWELL INTL INC COM 438516106 443 2,500 SH   DFND 2 2,500 0 0
HONEYWELL INTL INC COM 438516106 4,248 24,000 SH   DFND 1 24,000 0 0
II VI INC COM 902104108 1,842 54,700 SH   SOLE   54,700 0 0
II VI INC COM 902104108 5,219 155,000 SH   DFND 3 155,000 0 0
II VI INC COM 902104108 2,694 80,000 SH   DFND 2 80,000 0 0
II VI INC COM 902104108 4,744 140,900 SH   DFND 1 140,900 0 0
INTEVAC INC COM 461148108 2,911 412,350 SH   DFND 3 412,350 0 0
INTEVAC INC COM 461148108 98 13,900 SH   SOLE   13,900 0 0
INTEVAC INC COM 461148108 521 73,750 SH   DFND 2 73,750 0 0
IPG PHOTONICS CORP COM 44980X109 1,014 7,000 SH   SOLE   7,000 0 0
IPG PHOTONICS CORP COM 44980X109 906 6,250 SH   DFND 2 6,250 0 0
IROBOT CORP COM 462726100 51 1,000 SH   SOLE   1,000 0 0
IROBOT CORP COM 462726100 506 10,000 SH   DFND 3 10,000 0 0
IROBOT CORP COM 462726100 177 3,500 SH   DFND 2 3,500 0 0
KIMBELL RTY PARTNERS LP UNIT 49435R102 425 25,000 SH   SOLE   25,000 0 0
KLA CORPORATION COM NEW 482480100 3,341 18,750 SH   DFND 1 18,750 0 0
KLA CORPORATION COM NEW 482480100 1,336 7,500 SH   SOLE   7,500 0 0
KVH INDS INC COM 482738101 459 41,200 SH   DFND 1 41,200 0 0
KVH INDS INC COM 482738101 4,939 443,798 SH   SOLE   443,798 0 0
KVH INDS INC COM 482738101 1,572 141,250 SH   DFND 3 141,250 0 0
KVH INDS INC COM 482738101 5,601 503,250 SH   DFND 2 503,250 0 0
LABORATORY CRP OF AMER HLDGS COM NEW 50540R409 338 2,000 SH   DFND 2 2,000 0 0
LABORATORY CRP OF AMER HLDGS COM NEW 50540R409 5,543 32,763 SH   DFND 1 32,763 0 0
LABORATORY CRP OF AMER HLDGS COM NEW 50540R409 1,150 6,800 SH   SOLE   6,800 0 0
LAM RESEARCH CORP COM 512807108 731 2,500 SH   DFND 2 2,500 0 0
LEMAITRE VASCULAR INC COM 525558201 809 22,500 SH   SOLE   22,500 0 0
LENDINGTREE INC NEW COM 52603B107 1,608 5,300 SH   DFND 3 5,300 0 0
LIMELIGHT NETWORKS INC COM 53261M104 816 200,000 SH   DFND 3 200,000 0 0
MAXLINEAR INC COM 57776J100 849 40,000 SH   DFND 3 40,000 0 0
MEDTRONIC PLC SHS G5960L103 949 8,365 SH   SOLE   8,365 0 0
MEDTRONIC PLC SHS G5960L103 2,496 22,000 SH   DFND 2 22,000 0 0
MEDTRONIC PLC SHS G5960L103 2,671 23,541 SH   DFND 1 23,541 0 0
MKS INSTRUMENTS INC COM 55306N104 2,750 25,000 SH   DFND 1 25,000 0 0
MKS INSTRUMENTS INC COM 55306N104 220 2,000 SH   DFND 3 2,000 0 0
MKS INSTRUMENTS INC COM 55306N104 2,750 25,000 SH   DFND 2 25,000 0 0
MKS INSTRUMENTS INC COM 55306N104 4,730 43,000 SH   SOLE   43,000 0 0
MODERNA INC COM 60770K107 831 42,500 SH   DFND 3 42,500 0 0
NATIONAL INSTRS CORP COM 636518102 847 20,000 SH   DFND 2 20,000 0 0
NATIONAL INSTRS CORP COM 636518102 296 7,000 SH   SOLE   7,000 0 0
NAVIGATOR HOLDINGS LTD SHS Y62132108 445 33,000 SH   DFND 2 33,000 0 0
NAVIGATOR HOLDINGS LTD SHS Y62132108 2,119 157,300 SH   DFND 3 157,300 0 0
NAVIGATOR HOLDINGS LTD SHS Y62132108 1,932 143,400 SH   DFND 1 143,400 0 0
NAVIGATOR HOLDINGS LTD SHS Y62132108 520 38,600 SH   SOLE   38,600 0 0
NLIGHT INC COM 65487K100 101 5,000 SH   DFND 2 5,000 0 0
NLIGHT INC COM 65487K100 304 15,000 SH   DFND 3 15,000 0 0
NLIGHT INC COM 65487K100 53 2,612 SH   SOLE   2,612 0 0
NLIGHT INC COM 65487K100 77 3,781 SH   DFND 1 3,781 0 0
NOVA MEASURING INSTRUMENTS COM M7516K103 3,972 105,000 SH   DFND 1 105,000 0 0
NOVA MEASURING INSTRUMENTS COM M7516K103 4,275 113,000 SH   SOLE   113,000 0 0
NOVA MEASURING INSTRUMENTS COM M7516K103 2,194 58,000 SH   DFND 2 58,000 0 0
OIL DRI CORP AMER COM 677864100 1,523 42,000 SH   SOLE   42,000 0 0
OIL DRI CORP AMER COM 677864100 616 17,000 SH   DFND 2 17,000 0 0
OMNICELL INC COM 68213N109 245 3,000 SH   SOLE   3,000 0 0
PARSONS CORPORATION COM 70202L102 318 7,700 SH   DFND 1 7,700 0 0
PARSONS CORPORATION COM 70202L102 248 6,000 SH   DFND 2 6,000 0 0
PARSONS CORPORATION COM 70202L102 318 7,700 SH   SOLE   7,700 0 0
PDF SOLUTIONS INC COM 693282105 6,986 413,615 SH   SOLE   413,615 0 0
PDF SOLUTIONS INC COM 693282105 2,027 120,000 SH   DFND 3 120,000 0 0
PDF SOLUTIONS INC COM 693282105 2,449 145,000 SH   DFND 1 145,000 0 0
PDF SOLUTIONS INC COM 693282105 8,161 483,200 SH   DFND 2 483,200 0 0
PHOTRONICS INC COM 719405102 1,868 118,500 SH   DFND 1 118,500 0 0
PHOTRONICS INC COM 719405102 794 50,400 SH   DFND 3 50,400 0 0
PHOTRONICS INC COM 719405102 1,057 67,100 SH   DFND 2 67,100 0 0
PHOTRONICS INC COM 719405102 788 50,000 SH   SOLE   50,000 0 0
PLURALSIGHT INC COM CL A 72941B106 1,377 80,000 SH   DFND 3 80,000 0 0
PLURALSIGHT INC COM CL A 72941B106 17 1,000 SH   SOLE   1,000 0 0
PURE STORAGE INC CL A 74624M102 1,198 70,000 SH   DFND 3 70,000 0 0
PURE STORAGE INC CL A 74624M102 128 7,500 SH   DFND 2 7,500 0 0
Q2 HLDGS INC COM 74736L109 669 8,250 SH   SOLE   8,250 0 0
Q2 HLDGS INC COM 74736L109 1,419 17,500 SH   DFND 2 17,500 0 0
QUEST DIAGNOSTICS INC COM 74834L100 187 1,750 SH   SOLE   1,750 0 0
QUEST DIAGNOSTICS INC COM 74834L100 374 3,500 SH   DFND 2 3,500 0 0
RESIDEO TECHNOLOGIES INC COM 76118Y104 167 14,000 SH   DFND 1 14,000 0 0
RESIDEO TECHNOLOGIES INC COM 76118Y104 239 20,000 SH   SOLE   20,000 0 0
SCHLUMBERGER LTD COM 806857108 121 3,000 SH   SOLE   3,000 0 0
SCHLUMBERGER LTD COM 806857108 402 10,000 SH   DFND 2 10,000 0 0
SITIME CORPORATION COM 82982T106 265 10,391 SH   DFND 1 10,391 0 0
SITIME CORPORATION COM 82982T106 175 6,851 SH   SOLE   6,851 0 0
SITIME CORPORATION COM 82982T106 198 7,758 SH   DFND 2 7,758 0 0
SOUTHWEST AIRLS CO COM 844741108 2,343 43,400 SH   DFND 1 43,400 0 0
SOUTHWEST AIRLS CO COM 844741108 896 16,600 SH   SOLE   16,600 0 0
STITCH FIX INC COM CL A 860897107 103 4,000 SH   SOLE   4,000 0 0
STITCH FIX INC COM CL A 860897107 128 5,000 SH   DFND 2 5,000 0 0
SUTTER ROCK CAP CORP COM 86944Q100 2,089 318,997 SH   DFND 1 318,997 0 0
SUTTER ROCK CAP CORP COM 86944Q100 542 82,762 SH   SOLE   82,762 0 0
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADS 874039100 494 8,500 SH   DFND 2 8,500 0 0
TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADS 874039100 407 7,000 SH   SOLE   7,000 0 0
TEKLA HEALTHCARE INVS SH BEN INT 87911J103 2,186 104,698 SH   SOLE   104,698 0 0
TEKLA HEALTHCARE INVS SH BEN INT 87911J103 5,458 261,392 SH   DFND 1 261,392 0 0
TEKLA LIFE SCIENCES INVS SH BEN INT 87911K100 2,046 117,359 SH   SOLE   117,359 0 0
TEKLA LIFE SCIENCES INVS SH BEN INT 87911K100 6,711 385,000 SH   DFND 1 385,000 0 0
THE TRADE DESK INC COM CL A 88339J105 312 1,200 SH   SOLE   1,200 0 0
THE TRADE DESK INC COM CL A 88339J105 1,299 5,000 SH   DFND 2 5,000 0 0
THERMO FISHER SCIENTIFIC INC COM 883556102 8,122 25,000 SH   DFND 1 25,000 0 0
THERMO FISHER SCIENTIFIC INC COM 883556102 9,746 30,000 SH   DFND 2 30,000 0 0
TTM TECHNOLOGIES INC COM 87305R109 75 5,000 SH   SOLE   5,000 0 0
TTM TECHNOLOGIES INC COM 87305R109 226 15,000 SH   DFND 1 15,000 0 0
UGI CORP NEW COM 902681105 452 10,000 SH   SOLE   10,000 0 0
VIASAT INC COM 92552V100 2,013 27,500 SH   SOLE   27,500 0 0
VIASAT INC COM 92552V100 1,427 19,500 SH   DFND 2 19,500 0 0
VIASAT INC COM 92552V100 6,924 94,600 SH   DFND 1 94,600 0 0
VICOR CORP COM 925815102 3,621 77,500 SH   DFND 2 77,500 0 0
VICOR CORP COM 925815102 2,336 50,000 SH   DFND 3 50,000 0 0
VICOR CORP COM 925815102 2,336 50,000 SH   DFND 1 50,000 0 0
VICOR CORP COM 925815102 5,256 112,500 SH   SOLE   112,500 0 0
VIEWRAY INC COM 92672L107 907 215,000 SH   DFND 3 215,000 0 0
VISHAY INTERTECHNOLOGY INC COM 928298108 1,277 60,000 SH   DFND 2 60,000 0 0
VISHAY PRECISION GROUP INC COM 92835K103 255 7,500 SH   SOLE   7,500 0 0
VISHAY PRECISION GROUP INC COM 92835K103 340 10,000 SH   DFND 3 10,000 0 0
VONAGE HLDGS CORP COM 92886T201 1,112 150,000 SH   DFND 3 150,000 0 0
VOYAGER THERAPEUTICS INC COM 92915B106 279 20,000 SH   DFND 3 20,000 0 0
WABTEC COM 929740108 1,712 22,000 SH   DFND 2 22,000 0 0
WABTEC COM 929740108 467 6,000 SH   DFND 3 6,000 0 0
WABTEC COM 929740108 2,256 29,000 SH   SOLE   29,000 0 0
WABTEC COM 929740108 3,112 40,000 SH   DFND 1 40,000 0 0
WORLD WRESTLING ENTERTAIN-A CL A 98156Q108 616 9,500 SH   DFND 2 9,500 0 0
WORLD WRESTLING ENTERTAIN-A CL A 98156Q108 130 2,000 SH   DFND 3 2,000 0 0
WORLD WRESTLING ENTERTAIN-A CL A 98156Q108 292 4,500 SH   SOLE   4,500 0 0
ZUORA INC COM CL A 98983V106 430 30,000 SH   SOLE   30,000 0 0
ZUORA INC COM CL A 98983V106 3,726 260,000 SH   DFND 3 260,000 0 0
ZUORA INC COM CL A 98983V106 645 45,000 SH   DFND 2 45,000 0 0
ZUORA INC COM CL A 98983V106 1,003 70,000 SH   DFND 1 70,000 0 0