Westerly Capital Management, LLC

In its 13F for Q3 2025 (holdings as of September 30, 2025, filed November 14, 2025), Westerly Capital Management, LLC reported 39 stock positions worth $315.2 million. Its top holding was Viavi Solutions (VIAV) at 8.1% of the portfolio, followed by Pros (PRO, 6.9%) and Lumen Technologies (LUMN, 6.8%). Compared with Q2 2025, it opened 10 new positions, sold out of 9, added to 15 and reduced 12. The biggest buy was a new position in Udemy (UDMY) and the biggest sale an exit from Affirm (AFRM).

Most Recent 13F
Q2 2026
Location
SAN FRANCISCO, CA
CIK
0001546172
Portfolio Value
$315.2M (Q3 2025)
SEC Filing
0001546172-25-000011 ↗ filed Nov 14, 2025

Holdings Value

0$200.0M$400.0M$600.0M Q1 2024: $191.7M Q1 2024 Q2 2024: $184.1M Q2 2024 Q3 2024: $176.1M Q3 2024 Q4 2024: $216.6M Q4 2024 Q1 2025: $208.8M Q1 2025 Q2 2025: $236.0M Q2 2025 Q3 2025: $315.2M $315.2M Q3 2025 Q4 2025: $332.5M Q4 2025 Q1 2026: $324.5M Q1 2026 Q2 2026: $541.8M Q2 2026

Holdings 39 stocks · $315.2M

VIAV Viavi Solutions Inc. 8.05% 2,000,000 $25.4M Reduce -8.1%
PRO Pros Holdings Inc. 6.90% 949,750 $21.8M Reduce -4.9%
LUMN Lumen Technologies Inc. 6.79% 3,500,000 $21.4M Add +37.3%
HDSN Hudson Technologies Inc. 5.95% 1,890,000 $18.8M Reduce -5.5%
UDMY Udemy Inc. 5.04% 2,265,000 $15.9M New
MRVL Marvell Technology Inc. 4.80% 180,000 $15.1M Add +100.0%
AIP Arteris Inc. 4.57% 1,425,000 $14.4M Add +109.6%
MTRX Matrix Service Co. 4.56% 1,100,000 $14.4M Add +34.1%
BE Bloom Energy Corp. Class A 4.02% 150,000 $12.7M New
TAC Transalta Corp. 3.90% 900,000 $12.3M Add +17.3%
HIPO Hippo Holdings Inc. 3.88% 338,000 $12.2M Add +3.7%
SNAP Snap Inc. Class A 3.67% 1,500,000 $11.6M New
FRSH Freshworks Inc. Class A 3.62% 970,000 $11.4M Add +92.1%
BIDU Baidu Inc. - Spon ADR 3.47% 83,000 $10.9M Add +38.3%
NXDR Nextdoor Holdings Inc. 2.95% 4,450,000 $9.3M Add +25.4%
CGNT Cognyte Software Ltd. 2.93% 1,100,000 $9.2M Add +29.4%
ADTN Adtran Holdings Inc. 2.74% 920,220 $8.6M Reduce -5.6%
FLR Fluor Corp. 2.34% 175,000 $7.4M Add +16.7%
COUR Coursera Inc. 2.23% 600,000 $7.0M Add +110.5%
ESTC Elastic NV 2.14% 80,000 $6.8M New
TDC Teradata Corp. 2.05% 300,000 $6.5M Add +20.0%
POWI Power Integrations Inc. 1.53% 120,000 $4.8M Add +140.0%
CGNX Cognex Corp. 1.22% 85,000 $3.9M Add +41.7%
AMPL Amplitude Inc. Class A 1.19% 350,000 $3.8M Reduce -12.5%
AMBA Ambarella Inc. 1.18% 45,000 $3.7M Reduce -68.5%
GTLB Gitlab Inc. Class A 1.14% 80,000 $3.6M New
FSLR First Solar Inc. 1.12% 16,000 $3.5M New
SCOR Comscore Inc. 1.11% 400,000 $3.5M No change
GLW Corning Inc. 1.04% 40,000 $3.3M Reduce -68.0%
NWPX NWPX Infrastructure Inc. 0.84% 50,000 $2.6M Reduce -9.1%
ANGI Angi Inc. 0.80% 155,000 $2.5M Reduce -58.1%
HHS Harte-Hanks Inc. 0.73% 619,000 $2.3M No change
BILL Bill Holdings Inc. 0.50% 30,000 $1.6M New
GENI Genius Sports Ltd. 0.39% 100,000 $1.2M Reduce -20.0%
CEVA Ceva Inc. 0.23% 27,000 $713K Reduce -85.0%
PD Pagerduty Inc. 0.10% 20,000 $330K New
CSGS CSG Systems Intl Inc. 0.10% 5,000 $322K Reduce -75.0%
VECO Veeco Instruments Inc. 0.10% 10,000 $304K New
ORN Orion Group Holdings Inc. 0.07% 25,000 $208K New

Options reported separately and not counted above: INVESCO QQQ TR puts ($2.3M), VIAVI SOLUTIONS INC calls ($1.3M), FRESHWORKS INC calls ($300K), IONQ INC puts ($56K).

Portfolio Sells Q2 2025 → Q3 2025

AFRM Affirm Holdings Inc. Sold out 0.00% −4.54
CIEN Ciena Corp. Sold out 0.00% −3.79
AMBA Ambarella Inc. Reduce -68.5% 1.18% −2.83
VMEO Vimeo Inc. Sold out 0.00% −2.57
MGM MGM Resorts International Sold out 0.00% −1.75
GLW Corning Inc. Reduce -68.0% 1.04% −1.74
ANGI Angi Inc. Reduce -58.1% 0.80% −1.59
CEVA Ceva Inc. Reduce -85.0% 0.23% −1.45
VIAV Viavi Solutions Inc. Reduce -8.1% 8.05% −1.23
ADTN Adtran Holdings Inc. Reduce -5.6% 2.74% −0.97
TER Teradyne Inc. Sold out 0.00% −0.95
HDSN Hudson Technologies Inc. Reduce -5.5% 5.95% −0.93
AMPL Amplitude Inc. Class A Reduce -12.5% 1.19% −0.91
CSGS CSG Systems Intl Inc. Reduce -75.0% 0.10% −0.45
ACTG Acacia Research Corp. Sold out 0.00% −0.26
GTBIF Green Thumb Industries Inc. Sold out 0.00% −0.19
GENI Genius Sports Ltd. Reduce -20.0% 0.39% −0.16
ASAN Asana Inc. Class A Sold out 0.00% −0.14
NWPX NWPX Infrastructure Inc. Reduce -9.1% 0.84% −0.12
VRNOF Verano Holdings Corp. Sold out 0.00% −0.06
PRO Pros Holdings Inc. Reduce -4.9% 6.90% +0.27

Portfolio Buys Q2 2025 → Q3 2025

UDMY Udemy Inc. New 5.04% +5.04
BE Bloom Energy Corp. Class A New 4.02% +4.02
SNAP Snap Inc. Class A New 3.67% +3.67
ESTC Elastic NV New 2.14% +2.14
LUMN Lumen Technologies Inc. Add +37.3% 6.79% +2.06
MRVL Marvell Technology Inc. Add +100.0% 4.80% +1.85
AIP Arteris Inc. Add +109.6% 4.57% +1.82
BIDU Baidu Inc. - Spon ADR Add +38.3% 3.47% +1.29
COUR Coursera Inc. Add +110.5% 2.23% +1.17
GTLB Gitlab Inc. Class A New 1.14% +1.14
FSLR First Solar Inc. New 1.12% +1.12
BILL Bill Holdings Inc. New 0.50% +0.50
NXDR Nextdoor Holdings Inc. Add +25.4% 2.95% +0.45
FRSH Freshworks Inc. Class A Add +92.1% 3.62% +0.43
CGNX Cognex Corp. Add +41.7% 1.22% +0.41
TAC Transalta Corp. Add +17.3% 3.90% +0.39
POWI Power Integrations Inc. Add +140.0% 1.53% +0.35
PD Pagerduty Inc. New 0.10% +0.10
VECO Veeco Instruments Inc. New 0.10% +0.10
ORN Orion Group Holdings Inc. New 0.07% +0.07
HIPO Hippo Holdings Inc. Add +3.7% 3.88% +0.02
MTRX Matrix Service Co. Add +34.1% 4.56% −0.13
TDC Teradata Corp. Add +20.0% 2.05% −0.32
CGNT Cognyte Software Ltd. Add +29.4% 2.93% −0.40
FLR Fluor Corp. Add +16.7% 2.34% −0.92

Options Activity Q2 2025 → Q3 2025

HUDSON TECHNOLOGIES INC call Sold out 600,000 $4.8Mbefore exit
INVESCO QQQ TR put Add +1000.0% 550,000 $2.3M
AMBARELLA INC call Sold out 25,000 $1.5Mbefore exit
VIAVI SOLUTIONS INC call Add +414.3% 900,000 $1.3M
FRESHWORKS INC call New 400,000 $300K
IONQ INC put New 10,000 $56K

Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 46$541.8MINVESCO QQQ TR, COUR, VIAV, ANET, ASAN
Q1 2026 36$324.5MUDMY, MRVL, HDSN, CSCO, LUMN
Q4 2025 40$332.5MUDMY, VIAV, AIP, HDSN, MRVL
Q3 2025 39$315.2MVIAV, PRO, LUMN, HDSN, UDMY
Q2 2025 38$236.0MVIAV, HDSN, PRO, LUMN, MTRX
Q1 2025 37$208.8MVIAV, LUMN, MTRX, CGNT, BIDU
Q4 2024 44$216.6MINVESCO QQQ TR, ASAN, VIAV, MTRX, HIPO
Q3 2024 40$176.1MASAN, MTRX, HIPO, VIAV, ADTN
Q2 2024 40$184.1MASAN, MTRX, MRVL, VIAV, HIPO
Q1 2024 42$191.7MHIPO, MTRX, ASAN, AMBA, MRVL