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WESTERLY CAPITAL MANAGEMENT, LLC

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13F filer, CIK 1546172, SAN FRANCISCO, CA

WESTERLY CAPITAL MANAGEMENT, LLC reported $319,139,467 across 43 holdings for the quarter ended 2025-09-30, in a 13F-HR filed 2025-11-14. Its ten largest share positions make up 54.6% of the portfolio.

Filed (acceptance time not in the bulk data set), ingested 13F-HR 0001546172-25-000011

Period
2025-09-30
Reported value
$319M
Holdings
43
Top 10 weight
54.6%
New
12
Sold out
11

Largest buys vs the previous quarter

SecurityShares changeApprox. value
UDMYnew+2,265,000$15.9M
BEnew+150,000$12.7M
SNAPnew+1,500,000$11.6M
MRVLadded+90,000$7.57M
AIPadded+745,000$7.52M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Largest sells vs the previous quarter

SecurityShares changeApprox. value
AFRMexited-155,000-$10.7M
CIENexited-110,000-$8.95M
AMBAreduced-98,000-$8.09M
GLWreduced-85,000-$6.97M
VIMEO INCexited-1,500,000-$6.06M

Ranked by the share change valued at this quarter's implied price (value over shares in the 13F). A position sold out is valued at the previous quarter's price, its last report.

Holdings, Q3 2025

Share positions as resolved from 13F-HR 0001546172-25-000011, largest first. % of portfolio is the value over $315,236,467, the sum of the share positions whose value is usable for ratios (method).

SecurityHistorySharesValue% of portfolioChangeLatest eventTimeline
VIAVVIAVI SOLUTIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,050,000 shares; 2024Q4: 1,450,000 shares; 2025Q1: 1,930,000 shares; 2025Q2: 2,175,000 shares; 2025Q3: 2,000,000 shares 2,000,000$25.4M8.05%-175,000Timeline
PROPROS Holdings IncQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 135,000 shares; 2024Q4: 220,000 shares; 2025Q1: 290,000 shares; 2025Q2: 999,000 shares; 2025Q3: 949,750 shares 949,750$21.8M6.9%-49,250Timeline
LUMNLUMEN TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 500,000 shares; 2025Q1: 3,275,000 shares; 2025Q2: 2,550,000 shares; 2025Q3: 3,500,000 shares 3,500,000$21.4M6.79%+950,000Timeline
HDSNHUDSON TECHNOLOGIES INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 810,000 shares; 2024Q4: 1,017,580 shares; 2025Q1: 1,225,000 shares; 2025Q2: 2,000,000 shares; 2025Q3: 1,890,000 shares 1,890,000$18.8M5.95%-110,000Timeline
UDMYUDEMY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 2,265,000 shares 2,265,000$15.9M5.04%newTimeline
MRVLMARVELL TECHNOLOGY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 105,000 shares; 2024Q4: 50,000 shares; 2025Q1: 75,000 shares; 2025Q2: 90,000 shares; 2025Q3: 180,000 shares 180,000$15.1M4.8%+90,000Timeline
AIPARTERIS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 325,000 shares; 2024Q4: 250,000 shares; 2025Q1: 594,050 shares; 2025Q2: 680,000 shares; 2025Q3: 1,425,000 shares 1,425,000$14.4M4.57%+745,000Timeline
MTRXMATRIX SVC COQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,100,000 shares; 2024Q4: 1,150,000 shares; 2025Q1: 1,018,000 shares; 2025Q2: 820,000 shares; 2025Q3: 1,100,000 shares 1,100,000$14.4M4.56%+280,000Timeline
BEBLOOM ENERGY CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 150,000 shares 150,000$12.7M4.02%newTimeline
TACTRANSALTA CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 767,500 shares; 2025Q3: 900,000 shares 900,000$12.3M3.9%+132,500Timeline
HIPOHIPPO HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 577,000 shares; 2024Q4: 364,215 shares; 2025Q1: 250,000 shares; 2025Q2: 326,000 shares; 2025Q3: 338,000 shares 338,000$12.2M3.88%+12,000Timeline
SNAPSNAP INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 1,500,000 shares 1,500,000$11.6M3.67%newTimeline
FRSHFRESHWORKS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 275,000 shares; 2024Q4: 300,000 shares; 2025Q1: 500,000 shares; 2025Q2: 505,000 shares; 2025Q3: 970,000 shares 970,000$11.4M3.62%+465,000Timeline
BIDUBAIDU INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 25,000 shares; 2024Q4: 25,000 shares; 2025Q1: 85,000 shares; 2025Q2: 60,000 shares; 2025Q3: 83,000 shares 83,000$10.9M3.47%+23,000Timeline
NXDRNEXTDOOR HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 2,100,000 shares; 2024Q4: 3,100,000 shares; 2025Q1: 4,082,323 shares; 2025Q2: 3,550,000 shares; 2025Q3: 4,450,000 shares 4,450,000$9.3M2.95%+900,000Timeline
CGNTCOGNYTE SOFTWARE LTDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 745,000 shares; 2024Q4: 900,000 shares; 2025Q1: 1,065,000 shares; 2025Q2: 850,000 shares; 2025Q3: 1,100,000 shares 1,100,000$9.24M2.93%+250,000Timeline
ADTNADTRAN HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 1,320,000 shares; 2024Q4: 930,000 shares; 2025Q1: 835,000 shares; 2025Q2: 975,000 shares; 2025Q3: 920,220 shares 920,220$8.63M2.74%-54,780Timeline
FLRFLUOR CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 10,000 shares; 2024Q4: 170,000 shares; 2025Q1: 200,000 shares; 2025Q2: 150,000 shares; 2025Q3: 175,000 shares 175,000$7.36M2.34%+25,000Timeline
COURCOURSERA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 85,000 shares; 2025Q2: 285,000 shares; 2025Q3: 600,000 shares 600,000$7.03M2.23%+315,000Timeline
ESTCELASTIC N VQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 50,000 shares; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 80,000 shares 80,000$6.76M2.14%newTimeline
TDCTERADATA CORP DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 190,000 shares; 2025Q2: 250,000 shares; 2025Q3: 300,000 shares 300,000$6.45M2.05%+50,000Timeline
POWIPOWER INTEGRATIONS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 50,000 shares; 2025Q3: 120,000 shares 120,000$4.83M1.53%+70,000Timeline
CGNXCOGNEX CORPQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: 60,000 shares; 2025Q3: 85,000 shares 85,000$3.85M1.22%+25,000Timeline
AMPLAMPLITUDE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 475,000 shares; 2025Q2: 400,000 shares; 2025Q3: 350,000 shares 350,000$3.75M1.19%-50,000Timeline
AMBAAMBARELLA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 100,000 shares; 2024Q4: 5,000 shares; 2025Q1: not reported; 2025Q2: 143,000 shares; 2025Q3: 45,000 shares 45,000$3.71M1.18%-98,000Timeline
GTLBGITLAB INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 80,000 shares 80,000$3.61M1.14%newTimeline
FSLRFIRST SOLAR INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 16,000 shares 16,000$3.53M1.12%newTimeline
SCORCOMSCORE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 310,000 shares; 2024Q4: 309,896 shares; 2025Q1: 395,000 shares; 2025Q2: 400,000 shares; 2025Q3: 400,000 shares 400,000$3.49M1.11%0Timeline
GLWCORNING INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 142,000 shares; 2024Q4: 110,000 shares; 2025Q1: 155,000 shares; 2025Q2: 125,000 shares; 2025Q3: 40,000 shares 40,000$3.28M1.04%-85,000Timeline
NWPXNWPX INFRASTRUCTURE INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 35,000 shares; 2024Q4: 35,000 shares; 2025Q1: 40,000 shares; 2025Q2: 55,000 shares; 2025Q3: 50,000 shares 50,000$2.65M0.84%-5,000Timeline
ANGIANGI INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: 75,000 shares; 2025Q2: 370,000 shares; 2025Q3: 155,000 shares 155,000$2.52M0.8%-215,000Timeline
HHSHARTE HANKS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 625,000 shares; 2024Q4: 620,590 shares; 2025Q1: 618,226 shares; 2025Q2: 619,000 shares; 2025Q3: 619,000 shares 619,000$2.3M0.73%0Timeline
BILLBILL HOLDINGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 30,000 shares 30,000$1.59M0.5%newTimeline
GENIGENIUS SPORTS LIMITEDQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 250,000 shares; 2025Q1: 275,000 shares; 2025Q2: 125,000 shares; 2025Q3: 100,000 shares 100,000$1.24M0.39%-25,000Timeline
CEVACEVA INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 140,000 shares; 2024Q4: 85,000 shares; 2025Q1: not reported; 2025Q2: 180,000 shares; 2025Q3: 27,000 shares 27,000$713K0.23%-153,000Timeline
PDPAGERDUTY INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: 150,000 shares; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 20,000 shares 20,000$330K0.1%newTimeline
CSGSCSG SYS INTL INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: 140,000 shares; 2024Q4: 50,000 shares; 2025Q1: 100,000 shares; 2025Q2: 20,000 shares; 2025Q3: 5,000 shares 5,000$322K0.1%-15,000Timeline
VECOVEECO INSTRS INC DELQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 10,000 shares 10,000$304K0.1%newTimeline
ORNORION GROUP HLDGS INCQuarterly shares; oldest to newest; scale is this security's eight-quarter maximum; 2023Q4: restricted; 2024Q1: restricted; 2024Q2: restricted; 2024Q3: not reported; 2024Q4: not reported; 2025Q1: not reported; 2025Q2: not reported; 2025Q3: 25,000 shares 25,000$208K0.07%newTimeline

Options

Puts and calls, as filed. The amount and value describe the underlying shares, not the option premium, so they stay out of % of portfolio (H5).

SecurityTypeAmountValueChange
INVESCO QQQ TRINVESCO QQQ TR PUTput550,000$2.26M+500,000
VIAVI SOLUTIONS INCVIAVI SOLUTIONS INC COMcall900,000$1.28M+725,000
FRESHWORKS INCFRESHWORKS INC CLASS A COMcall400,000$300Knew
IONQ INCIONQ INC COMput10,000$55.8Knew

Sold out in Q3 2025

Positions in the previous quarter's report that this quarter's report no longer lists.

SecurityShares beforeValue beforeType
AFRMAFFIRM HLDGS INC155,000$10.7Mshares
CIENCIENA CORP110,000$8.95Mshares
VIMEO INCVIMEO INC1,500,000$6.06Mshares
HUDSON TECHNOLOGIES INCHUDSON TECHNOLOGIES INC600,000$4.8Mcall
MGMMGM RESORTS INTERNATIONAL120,000$4.13Mshares
TERTERADYNE INC25,000$2.25Mshares
AMBARELLA INCAMBARELLA INC25,000$1.52Mcall
ACTGACACIA RESH CORP172,455$617Kshares
GTBIFGREEN THUMB INDS INC SUB VTG S80,000$441Kshares
ASANASANA INC25,000$338Kshares
VERANO HOLDINGS CORPVERANO HOLDINGS CORP300,000$149Kshares

How Q3 2025 was built

Available 13F filings of this filer for the quarter and their roles: the base report is the latest original or restatement, NEW HOLDINGS amendments filed after it are added (method).

FilingRoleAmendmentFiledAcceptedIngested
13F-HR 0001546172-25-000011 base2025-11-14acceptance time not in the bulk data set