Westerly Capital Management, LLC
In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 15, 2026), Westerly Capital Management, LLC reported 36 stock positions worth $324.5 million. Its top holding was Udemy (UDMY) at 6.1% of the portfolio, followed by Marvell Technology (MRVL, 6.1%) and Hudson Technologies (HDSN, 5.8%). Compared with Q4 2025, it opened 4 new positions, sold out of 8, added to 20 and reduced 9. The biggest buy was a new position in Cisco Systems (CSCO) and the biggest sale an exit from Nike Class B (NKE).
- Most Recent 13F
- Q2 2026
- Location
- SAN FRANCISCO, CA
- CIK
- 0001546172
- Portfolio Value
- $324.5M (Q1 2026)
- SEC Filing
- 0002073679-26-000057 ↗ filed May 15, 2026
Holdings Value
Holdings 36 stocks · $324.5M
| UDMY Udemy Inc. | 6.12% | 4,300,000 | $19.9M | Add +7.5% |
| MRVL Marvell Technology Inc. | 6.10% | 200,000 | $19.8M | No change |
| HDSN Hudson Technologies Inc. | 5.75% | 3,175,000 | $18.7M | Add +24.5% |
| CSCO Cisco Systems Inc. | 5.38% | 225,000 | $17.5M | New |
| LUMN Lumen Technologies Inc. | 4.71% | 2,200,000 | $15.3M | Add +175.0% |
| FRSH Freshworks Inc. Class A | 4.70% | 1,900,000 | $15.3M | Add +81.0% |
| ENPH Enphase Energy Inc. | 4.66% | 400,000 | $15.1M | Add +128.6% |
| NOK Nokia Corp.-Spon ADR | 4.46% | 1,800,000 | $14.5M | Add +33.3% |
| VIAV Viavi Solutions Inc. | 4.36% | 425,000 | $14.1M | Reduce -63.0% |
| HIPO Hippo Holdings Inc. | 4.02% | 500,000 | $13.0M | Add +19.1% |
| FLR Fluor Corp. | 3.59% | 250,000 | $11.7M | Add +25.0% |
| BL Blackline Inc. | 3.53% | 310,000 | $11.5M | Add +244.4% |
| MTRX Matrix Service Co. | 3.41% | 965,000 | $11.1M | Reduce -2.3% |
| ADTN Adtran Holdings Inc. | 3.10% | 800,000 | $10.1M | Add +14.3% |
| CGNT Cognyte Software Ltd. | 3.10% | 1,240,000 | $10.0M | Add +7.4% |
| COUR Coursera Inc. | 3.05% | 1,700,000 | $9.9M | Add +70.0% |
| ASAN Asana Inc. Class A | 2.51% | 1,274,000 | $8.2M | Add +409.6% |
| NXDR Nextdoor Holdings Inc. | 2.37% | 5,500,000 | $7.7M | Add +22.2% |
| AIP Arteris Inc. | 2.36% | 465,000 | $7.6M | Reduce -64.1% |
| ESTC Elastic NV | 2.31% | 150,000 | $7.5M | Reduce -31.8% |
| BE Bloom Energy Corp. Class A | 2.09% | 50,000 | $6.8M | Reduce -66.7% |
| AMBA Ambarella Inc. | 2.06% | 130,000 | $6.7M | Add +52.9% |
| SCOR Comscore Inc. | 1.92% | 897,000 | $6.2M | Add +90.8% |
| TAC Transalta Corp. | 1.92% | 475,000 | $6.2M | Reduce -41.0% |
| BIDU Baidu Inc. - Spon ADR | 1.89% | 55,000 | $6.1M | Add +10.0% |
| CGNX Cognex Corp. | 1.89% | 125,000 | $6.1M | Add +25.0% |
| GLW Corning Inc. | 1.68% | 40,000 | $5.4M | Reduce -33.3% |
| FIG Figma Inc. Class A | 1.63% | 250,000 | $5.3M | New |
| ORN Orion Group Holdings Inc. | 1.48% | 440,000 | $4.8M | Add +193.3% |
| ANGI Angi Inc. | 1.30% | 615,000 | $4.2M | Add +23.0% |
| AMPL Amplitude Inc. Class A | 1.05% | 500,000 | $3.4M | No change |
| FSLR First Solar Inc. | 0.61% | 10,000 | $2.0M | Reduce -37.5% |
| HHS Harte-Hanks Inc. | 0.44% | 627,000 | $1.4M | No change |
| SPWR Sunpower Inc. | 0.25% | 650,000 | $826K | New |
| NWPX NWPX Infrastructure Inc. | 0.19% | 8,000 | $623K | Reduce -84.0% |
| GMTL Guardian Metal Resources | 0.01% | 1,000 | $17K | New |
Options reported separately and not counted above: INVESCO QQQ TR puts ($43.3M).
Portfolio Sells Q4 2025 → Q1 2026
| NKE Nike Inc. Class B | Sold out | 0.00% | −3.83 |
| AIP Arteris Inc. | Reduce -64.1% | 2.36% | −3.68 |
| ESTC Elastic NV | Reduce -31.8% | 2.31% | −2.68 |
| TDC Teradata Corp. | Sold out | 0.00% | −2.06 |
| BE Bloom Energy Corp. Class A | Reduce -66.7% | 2.09% | −1.83 |
| VIAV Viavi Solutions Inc. | Reduce -63.0% | 4.36% | −1.81 |
| PD Pagerduty Inc. | Sold out | 0.00% | −1.72 |
| SNAP Snap Inc. Class A | Sold out | 0.00% | −1.46 |
| UNF Unifirst Corp. | Sold out | 0.00% | −1.45 |
| TAC Transalta Corp. | Reduce -41.0% | 1.92% | −1.14 |
| SPSC SPS Commerce Inc. | Sold out | 0.00% | −0.80 |
| NWPX NWPX Infrastructure Inc. | Reduce -84.0% | 0.19% | −0.75 |
| FSLR First Solar Inc. | Reduce -37.5% | 0.61% | −0.65 |
| GENI Genius Sports Ltd. | Sold out | 0.00% | −0.33 |
| CSGS CSG Systems Intl Inc. | Sold out | 0.00% | −0.12 |
| MTRX Matrix Service Co. | Reduce -2.3% | 3.41% | −0.06 |
| GLW Corning Inc. | Reduce -33.3% | 1.68% | +0.10 |
Portfolio Buys Q4 2025 → Q1 2026
| CSCO Cisco Systems Inc. | New | 5.38% | +5.38 |
| ENPH Enphase Energy Inc. | Add +128.6% | 4.66% | +2.97 |
| LUMN Lumen Technologies Inc. | Add +175.0% | 4.71% | +2.84 |
| BL Blackline Inc. | Add +244.4% | 3.53% | +2.04 |
| NOK Nokia Corp.-Spon ADR | Add +33.3% | 4.46% | +1.83 |
| FIG Figma Inc. Class A | New | 1.63% | +1.63 |
| ASAN Asana Inc. Class A | Add +409.6% | 2.51% | +1.48 |
| ADTN Adtran Holdings Inc. | Add +14.3% | 3.10% | +1.27 |
| FLR Fluor Corp. | Add +25.0% | 3.59% | +1.21 |
| ORN Orion Group Holdings Inc. | Add +193.3% | 1.48% | +1.03 |
| SCOR Comscore Inc. | Add +90.8% | 1.92% | +1.00 |
| COUR Coursera Inc. | Add +70.0% | 3.05% | +0.84 |
| FRSH Freshworks Inc. Class A | Add +81.0% | 4.70% | +0.83 |
| CGNX Cognex Corp. | Add +25.0% | 1.89% | +0.80 |
| HDSN Hudson Technologies Inc. | Add +24.5% | 5.75% | +0.50 |
| SPWR Sunpower Inc. | New | 0.25% | +0.25 |
| AMBA Ambarella Inc. | Add +52.9% | 2.06% | +0.25 |
| HIPO Hippo Holdings Inc. | Add +19.1% | 4.02% | +0.22 |
| GMTL Guardian Metal Resources | New | 0.01% | +0.01 |
| BIDU Baidu Inc. - Spon ADR | Add +10.0% | 1.89% | −0.08 |
| CGNT Cognyte Software Ltd. | Add +7.4% | 3.10% | −0.17 |
| NXDR Nextdoor Holdings Inc. | Add +22.2% | 2.37% | −0.47 |
| ANGI Angi Inc. | Add +23.0% | 1.30% | −0.65 |
| UDMY Udemy Inc. | Add +7.5% | 6.12% | −0.92 |
Options Activity Q4 2025 → Q1 2026
| INVESCO QQQ TR | put | Reduce -62.5% | 75,000 | $43.3M |
Calls and puts are listed by the shares they cover; their value is not part of the stock holdings above.
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 46 | $541.8M | INVESCO QQQ TR, COUR, VIAV, ANET, ASAN |
| Q1 2026 | 36 | $324.5M | UDMY, MRVL, HDSN, CSCO, LUMN |
| Q4 2025 | 40 | $332.5M | UDMY, VIAV, AIP, HDSN, MRVL |
| Q3 2025 | 39 | $315.2M | VIAV, PRO, LUMN, HDSN, UDMY |
| Q2 2025 | 38 | $236.0M | VIAV, HDSN, PRO, LUMN, MTRX |
| Q1 2025 | 37 | $208.8M | VIAV, LUMN, MTRX, CGNT, BIDU |
| Q4 2024 | 44 | $216.6M | INVESCO QQQ TR, ASAN, VIAV, MTRX, HIPO |
| Q3 2024 | 40 | $176.1M | ASAN, MTRX, HIPO, VIAV, ADTN |
| Q2 2024 | 40 | $184.1M | ASAN, MTRX, MRVL, VIAV, HIPO |
| Q1 2024 | 42 | $191.7M | HIPO, MTRX, ASAN, AMBA, MRVL |