WESTERLY CAPITAL MANAGEMENT, LLC Quant / Systematic

Name: WESTERLY CAPITAL MANAGEMENT, LLC Q1 2026 13F Filing | 13F Explorer
Creator: WESTERLY CAPITAL MANAGEMENT, LLC
Published: 2026-05-15

Location: SAN FRANCISCO, CA

CIK: 0001546172 · Show all filings

Period: Q1 2026 (← Previous)

Filing Date: May 15, 2026

Total Value: $368M (100.0% shares, 0.0% debt)

Holdings (37)

New Positions (4)

CSCO CISCO SYS INC 4.7%

Value $17.46M Shares 225,000 Est. Cost $77.91 Unrealized 0.0%

FIG FIGMA INC 1.4%

Value $5.285M Shares 250,000 Est. Cost $28.40 Unrealized 0.0%

SPWR SUNPOWER INC 0.2%

Value $826K Shares 650,000 Est. Cost $1.65 Unrealized 0.0%

GMTL GUARDIAN METAL RES PLC 0.0%

Value $17,480 Shares 1,000 Est. Cost $17.48 Unrealized —

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
CSCO	CISCO SYS INC	225,000	$17.46M	4.7%	$77.91	0.0%	COM	17275R102
FIG	FIGMA INC	250,000	$5.285M	1.4%	$28.40	0.0%	CLASS A COM STK	316841105
SPWR	SUNPOWER INC	650,000	$826K	0.2%	$1.65	0.0%	COM	20460L104
GMTL	GUARDIAN METAL RES PLC	1,000	$17,480	0.0%	$17.48	—	SPONSORED ADS	401382106

Increased Positions (20)

ENPH ENPHASE ENERGY INC 4.1%

Value $15.12M (+169.7%) Shares 400,000 (+128.6%) Est. Cost $37.37 Unrealized +10.4%

LUMN LUMEN TECHNOLOGIES INC 4.2%

Value $15.29M (+146.0%) Shares 2,200,000 (+175.0%) Est. Cost $7.01 Unrealized +15.2%

BL BLACKLINE INC 3.1%

Value $11.47M (+130.5%) Shares 310,000 (+244.4%) Est. Cost $49.09 Unrealized -5.0%

NOK NOKIA CORP 3.9%

Value $14.47M (+65.7%) Shares 1,800,000 (+33.3%) Est. Cost $6.86 Unrealized —

ASAN ASANA INC 2.2%

Value $8.154M (+137.9%) Shares 1,274,000 (+409.6%) Est. Cost $10.75 Unrealized -6.8%

ADTN ADTRAN HOLDINGS INC 2.7%

Value $10.06M (+65.4%) Shares 800,000 (+14.3%) Est. Cost $6.22 Unrealized +54.0%

FLR FLUOR CORP NEW 3.2%

Value $11.66M (+47.1%) Shares 250,000 (+25.0%) Est. Cost $48.99 Unrealized -4.5%

UDMY UDEMY INC 5.4%

Value $19.87M (-15.1%) Shares 4,300,000 (+7.5%) Est. Cost $6.40 Unrealized -21.3%

ORN ORION GROUP HLDGS INC 1.3%

Value $4.796M (+221.7%) Shares 440,000 (+193.3%) Est. Cost $11.34 Unrealized +8.9%

SCOR COMSCORE INC 1.7%

Value $6.225M (+103.8%) Shares 897,000 (+90.9%) Est. Cost $9.38 Unrealized -16.5%

COUR COURSERA INC 2.7%

Value $9.894M (+34.4%) Shares 1,700,000 (+70.0%) Est. Cost $8.05 Unrealized -20.8%

CGNX COGNEX CORP 1.7%

Value $6.124M (+70.2%) Shares 125,000 (+25.0%) Est. Cost $35.50 Unrealized +25.3%

FRSH FRESHWORKS INC 4.1%

Value $15.26M (+18.6%) Shares 1,900,000 (+81.0%) Est. Cost $12.25 Unrealized -19.3%

ANGI ANGI INC 1.1%

Value $4.213M (-34.8%) Shares 615,000 (+23.0%) Est. Cost $13.15 Unrealized -12.6%

NXDR NEXTDOOR HOLDINGS INC 2.1%

Value $7.7M (-18.5%) Shares 5,500,000 (+22.2%) Est. Cost $2.19 Unrealized -15.1%

HDSN HUDSON TECHNOLOGIES INC 5.1%

Value $18.67M (+6.9%) Shares 3,175,000 (+24.5%) Est. Cost $7.65 Unrealized -5.0%

CGNT COGNYTE SOFTWARE LTD 2.7%

Value $10.04M (-7.5%) Shares 1,240,000 (+7.4%) Est. Cost $6.95 Unrealized +19.2%

AMBA AMBARELLA INC 1.8%

Value $6.692M (+11.1%) Shares 130,000 (+52.9%) Est. Cost $66.50 Unrealized +1.1%

BIDU BAIDU INC 1.7%

Value $6.128M (-6.2%) Shares 55,000 (+10.0%) Est. Cost $106.37 Unrealized —

HIPO HIPPO HLDGS INC 3.5%

Value $13.03M (+3.1%) Shares 500,000 (+19.0%) Est. Cost $21.93 Unrealized +35.6%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
ENPH	ENPHASE ENERGY INC	400,000 (+128.6%)	$15.12M (+169.7%)	4.1%	$37.37	+10.4%	COM	29355A107
LUMN	LUMEN TECHNOLOGIES INC	2,200,000 (+175.0%)	$15.29M (+146.0%)	4.2%	$7.01	+15.2%	COM	550241103
BL	BLACKLINE INC	310,000 (+244.4%)	$11.47M (+130.5%)	3.1%	$49.09	-5.0%	COM	09239B109
NOK	NOKIA CORP	1,800,000 (+33.3%)	$14.47M (+65.7%)	3.9%	$6.86	—	SPONSORED ADR	654902204
ASAN	ASANA INC	1,274,000 (+409.6%)	$8.154M (+137.9%)	2.2%	$10.75	-6.8%	CL A	04342Y104
ADTN	ADTRAN HOLDINGS INC	800,000 (+14.3%)	$10.06M (+65.4%)	2.7%	$6.22	+54.0%	COM	00486H105
FLR	FLUOR CORP NEW	250,000 (+25.0%)	$11.66M (+47.1%)	3.2%	$48.99	-4.5%	COM	343412102
UDMY	UDEMY INC	4,300,000 (+7.5%)	$19.87M (-15.1%)	5.4%	$6.40	-21.3%	COM	902685106
ORN	ORION GROUP HLDGS INC	440,000 (+193.3%)	$4.796M (+221.7%)	1.3%	$11.34	+8.9%	COM	68628V308
SCOR	COMSCORE INC	897,000 (+90.9%)	$6.225M (+103.8%)	1.7%	$9.38	-16.5%	COM NEW	20564W204
COUR	COURSERA INC	1,700,000 (+70.0%)	$9.894M (+34.4%)	2.7%	$8.05	-20.8%	COM	22266M104
CGNX	COGNEX CORP	125,000 (+25.0%)	$6.124M (+70.2%)	1.7%	$35.50	+25.3%	COM	192422103
FRSH	FRESHWORKS INC	1,900,000 (+81.0%)	$15.26M (+18.6%)	4.1%	$12.25	-19.3%	CLASS A COM	358054104
ANGI	ANGI INC	615,000 (+23.0%)	$4.213M (-34.8%)	1.1%	$13.15	-12.6%	CL A NEW	00183L201
NXDR	NEXTDOOR HOLDINGS INC	5,500,000 (+22.2%)	$7.7M (-18.5%)	2.1%	$2.19	-15.1%	COM CL A	65345M108
HDSN	HUDSON TECHNOLOGIES INC	3,175,000 (+24.5%)	$18.67M (+6.9%)	5.1%	$7.65	-5.0%	COM	444144109
CGNT	COGNYTE SOFTWARE LTD	1,240,000 (+7.4%)	$10.04M (-7.5%)	2.7%	$6.95	+19.2%	ORD SHS	M25133105
AMBA	AMBARELLA INC	130,000 (+52.9%)	$6.692M (+11.1%)	1.8%	$66.50	+1.1%	SHS	G037AX101
BIDU	BAIDU INC	55,000 (+10.0%)	$6.128M (-6.2%)	1.7%	$106.37	—	SPON ADR REP A	056752108
HIPO	HIPPO HLDGS INC	500,000 (+19.0%)	$13.03M (+3.1%)	3.5%	$21.93	+35.6%	COM NEW	433539202

Exited Positions (8)

NKE NIKE INC 3.5%

Value $12.74M Shares 200,000 Est. Cost $64.91 Unrealized -1.4%

TDC TERADATA CORP DEL 1.9%

Value $6.849M Shares 225,000 Est. Cost $25.07 Unrealized +20.7%

PD PAGERDUTY INC 1.6%

Value $5.729M Shares 437,000 Est. Cost $14.65 Unrealized -34.3%

SNAP SNAP INC 1.3%

Value $4.842M Shares 600,000 Est. Cost $8.30 Unrealized -20.5%

UNF UNIFIRST CORP MASS 1.3%

Value $4.822M Shares 25,000 Est. Cost $168.52 Unrealized +27.2%

SPSC SPS COMM INC 0.7%

Value $2.674M Shares 30,000 Est. Cost $92.71 Unrealized -13.8%

GENI GENIUS SPORTS LIMITED 0.3%

Value $1.102M Shares 100,000 Est. Cost $8.43 Unrealized -1.4%

CSGS CSG SYS INTL INC 0.1%

Value $383K Shares 5,000 Est. Cost $52.61 Unrealized +51.1%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
NKE	NIKE INC	200,000	$12.74M	3.5%	$64.91	-1.4%	—	654106103
TDC	TERADATA CORP DEL	225,000	$6.849M	1.9%	$25.07	+20.7%	—	88076W103
PD	PAGERDUTY INC	437,000	$5.729M	1.6%	$14.65	-34.3%	—	69553P100
SNAP	SNAP INC	600,000	$4.842M	1.3%	$8.30	-20.5%	—	83304A106
UNF	UNIFIRST CORP MASS	25,000	$4.822M	1.3%	$168.52	+27.2%	—	904708104
SPSC	SPS COMM INC	30,000	$2.674M	0.7%	$92.71	-13.8%	—	78463M107
GENI	GENIUS SPORTS LIMITED	100,000	$1.102M	0.3%	$8.43	-1.4%	—	G3934V109
CSGS	CSG SYS INTL INC	5,000	$383K	0.1%	$52.61	+51.1%	—	126349109

Decreased Positions (10)

— INVESCO QQQ TR 11.8%

Value $43.29M (-64.8%) Shares 75,000 (-62.5%) Est. Cost — Unrealized —

AIP ARTERIS INC 2.1%

Value $7.645M (-61.9%) Shares 465,000 (-64.1%) Est. Cost $8.81 Unrealized +79.5%

ESTC ELASTIC N V 2.0%

Value $7.498M (-54.8%) Shares 150,000 (-31.8%) Est. Cost $82.54 Unrealized -18.9%

VIAV VIAVI SOLUTIONS INC 3.8%

Value $14.14M (-31.0%) Shares 425,000 (-63.0%) Est. Cost $9.51 Unrealized +141.5%

BE BLOOM ENERGY CORP 1.8%

Value $6.774M (-48.0%) Shares 50,000 (-66.7%) Est. Cost $46.44 Unrealized +211.5%

TAC TRANSALTA CORP 1.7%

Value $6.223M (-38.8%) Shares 475,000 (-41.0%) Est. Cost $9.93 Unrealized +30.2%

NWPX NWPX INFRASTRUCTURE INC 0.2%

Value $623K (-80.1%) Shares 8,000 (-84.0%) Est. Cost $33.18 Unrealized +110.4%

FSLR FIRST SOLAR INC 0.5%

Value $1.973M (-52.8%) Shares 10,000 (-37.5%) Est. Cost $191.94 Unrealized +23.5%

MTRX MATRIX SVC CO 3.0%

Value $11.08M (-4.2%) Shares 965,000 (-2.3%) Est. Cost $10.17 Unrealized +23.2%

GLW CORNING INC 1.5%

Value $5.439M (+3.5%) Shares 40,000 (-33.3%) Est. Cost $51.90 Unrealized +115.2%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
—	INVESCO QQQ TR	75,000 (-62.5%)	$43.29M (-64.8%)	11.8%	—	—	PUT	46090E953
AIP	ARTERIS INC	465,000 (-64.1%)	$7.645M (-61.9%)	2.1%	$8.81	+79.5%	COM	04302A104
ESTC	ELASTIC N V	150,000 (-31.8%)	$7.498M (-54.8%)	2.0%	$82.54	-18.9%	ORD SHS	N14506104
VIAV	VIAVI SOLUTIONS INC	425,000 (-63.0%)	$14.14M (-31.0%)	3.8%	$9.51	+141.5%	COM	925550105
BE	BLOOM ENERGY CORP	50,000 (-66.7%)	$6.774M (-48.0%)	1.8%	$46.44	+211.5%	COM CL A	093712107
TAC	TRANSALTA CORP	475,000 (-41.0%)	$6.223M (-38.8%)	1.7%	$9.93	+30.2%	COM	89346D107
NWPX	NWPX INFRASTRUCTURE INC	8,000 (-84.0%)	$623K (-80.1%)	0.2%	$33.18	+110.4%	COM	667746101
FSLR	FIRST SOLAR INC	10,000 (-37.5%)	$1.973M (-52.8%)	0.5%	$191.94	+23.5%	COM	336433107
MTRX	MATRIX SVC CO	965,000 (-2.3%)	$11.08M (-4.2%)	3.0%	$10.17	+23.2%	COM	576853105
GLW	CORNING INC	40,000 (-33.3%)	$5.439M (+3.5%)	1.5%	$51.90	+115.2%	COM	219350105

Unchanged Positions (3)

MRVL MARVELL TECHNOLOGY INC 5.4%

Value $19.81M Shares 200,000 Est. Cost $72.37 Unrealized +12.0%

AMPL AMPLITUDE INC 0.9%

Value $3.41M Shares 500,000 Est. Cost $11.43 Unrealized -22.1%

HHS HARTE HANKS INC 0.4%

Value $1.423M Shares 627,000 Est. Cost $7.86 Unrealized -62.4%

Ticker	Issuer	Shares	Value	%	Est. Cost	Unrealized	Class	CUSIP
MRVL	MARVELL TECHNOLOGY INC	200,000	$19.81M	5.4%	$72.37	+12.0%	COM	573874104
AMPL	AMPLITUDE INC	500,000	$3.41M	0.9%	$11.43	-22.1%	COM CL A	03213A104
HHS	HARTE HANKS INC	627,000	$1.423M	0.4%	$7.86	-62.4%	COM	416196202