CIK: 0001546172
Total reported value
$541.8M
Reporting period: 2026-06-30 · Number of holdings: 46
WESTERLY CAPITAL MANAGEMENT, LLC disclosed 46 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $541.8M and a quarterly turnover rate of 87.0%.
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Westerly Capital Management, LLC's disclosed holdings carry a Herfindahl concentration index of 0.077 — mathematically equivalent to about 13 equally-sized positions, well below its 46 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes vary widely across the portfolio (a coefficient of variation of 1.61), with a handful of outsized bets alongside many smaller positions.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Sector classification currently covers about 42% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
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Add 46090E953
+133.3% $85.6M
Sold out 7WH
Sold out MRVL
New buy ANET
Add COUR
+257.9% $24.4M
Trim CSCO
-75.6% -$11.0M
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | ✓ | Invesco QQQ Tr Put Option 06/2 | Stock-Other | 23.79% | +12.02% | +133.33% | |
| 2 | COUR | Coursera Inc | Stock-Other | 6.33% | +3.64% | +257.94% | |
| 3 | VIAV | Viavi Solutions Inc | Stock-Tech | 5.07% | +1.22% | +35.29% | |
| 4 | ANET | Arista Networks Inc | Stock-Tech | 3.92% | +3.92% | NEW | |
| 5 | ASAN | Asana Inc - Cl A | Stock-Other | 3.91% | +1.69% | +137.83% | |
| 6 | HDSN | Hudson Technologies Inc | Stock-Other | 3.58% | -1.50% | +6.46% | |
| 7 | HIPO | Hippo Holdings Inc | Stock-Other | 3.36% | -0.18% | +29.00% | |
| 8 | ADBE | Adobe Inc | Stock-Tech | 2.76% | +2.76% | NEW | |
| 9 | FLR | Fluor CORP | Stock-Industrials | 2.74% | -0.43% | +13.20% | |
| 10 | CRM | Salesforce Inc | Stock-Tech | 2.66% | +2.66% | NEW | |
| 11 | ENPH | Enphase Energy Inc | Stock-Tech | 2.50% | -1.61% | -31.25% | |
| 12 | NOK | Nokia Corp-spon Adr | Stock-Tech | 2.45% | -1.48% | -44.44% | |
| 13 | CGNX | Cognex CORP | Stock-Tech | 2.27% | +0.61% | +36.00% | |
| 14 | NXDR | Nextdoor Holdings Inc | Stock-Other | 2.03% | -0.06% | -11.82% | |
| 15 | LUMN | Lumen Technologies Inc | Stock-Comm Services | 1.98% | -2.18% | -36.36% | |
| 16 | SCOR | Comscore Inc | Stock-Other | 1.79% | +0.10% | +46.15% | |
| 17 | NXT | Nextpower Inc-cl A | Stock-Tech | 1.65% | +1.65% | NEW | |
| 18 | GWRE | Guidewire Software Inc | Stock-Tech | 1.59% | +1.59% | NEW | |
| 19 | MTRX | Matrix Service Co | Stock-Other | 1.51% | -1.50% | -38.25% | |
| 20 | FRSH | Freshworks Inc-cl A | Stock-Other | 1.49% | -2.66% | -57.89% | |
| 21 | CALX | Calix Inc | Stock-Tech | 1.41% | +1.41% | NEW | |
| 22 | ✓ | Stock-Other | 1.31% | +1.31% | NEW | ||
| 23 | APH | Amphenol Corp-cl A | Stock-Tech | 1.30% | +1.30% | NEW | |
| 24 | BL | Blackline Inc | Stock-Tech | 1.30% | -1.82% | -19.35% | |
| 25 | ORN | Orion Group Holdings Inc | Stock-Other | 1.29% | -0.01% | -5.68% | |
| 26 | ADTN | Adtran Holdings Inc | Stock-Other | 1.28% | -1.46% | -37.50% | |
| 27 | AMBA | Ambarella, Inc. | Stock-Tech | 1.27% | -0.55% | -38.46% | |
| 28 | CGNT | Cognyte Software Ltd. | Stock-Other | 1.23% | -1.50% | -38.71% | |
| 29 | CSCO | Cisco Systems Inc | Stock-Tech | 1.19% | -3.56% | -75.56% | |
| 30 | RACE | Ferrari N.V. | Stock-Consumer Disc | 1.17% | +1.17% | NEW | |
| 31 | NVDA | Nvidia CORP | Stock-Tech | 1.11% | +1.11% | NEW | |
| 32 | ✓ | Stock-Other | 1.05% | +1.05% | NEW | ||
| 33 | TAC | Transalta CORP | Stock-Other | 1.02% | -0.67% | -15.79% | |
| 34 | NFLX | Netflix Inc | Stock-Comm Services | 0.92% | +0.92% | NEW | |
| 35 | BE | Bloom Energy Corp- A | Stock-Industrials | 0.84% | -1.00% | -70.00% | |
| 36 | FIG | Figma Inc-cl A | Stock-Other | 0.83% | -0.61% | — | |
| 37 | SNOW | Snowflake Inc. | Stock-Tech | 0.70% | +0.70% | NEW | |
| 38 | FSLR | First Solar Inc | Stock-Tech | 0.65% | +0.11% | +50.00% | |
| 39 | VOO | Vanguard S&P 500 ETF | ETF-Large Cap & Growth | 0.53% | -1.51% | -66.67% | |
| 40 | GMTL | Guardian Metal Resources | Stock-Other | 0.52% | +0.52% | +19900.00% | |
| 41 | ANGI | Angi Inc | Stock-Other | 0.48% | -0.67% | -28.31% | |
| 42 | ARM | Arm Holdings plc | Stock-Tech | 0.33% | +0.33% | NEW | |
| 43 | AMPL | Amplitude Inc-class A | Stock-Other | 0.28% | -0.65% | -60.00% | |
| 44 | HHS | Harte-hanks Inc | Stock-Other | 0.25% | -0.14% | +1.28% | |
| 45 | AVNW | Aviat Networks Inc | Stock-Other | 0.20% | +0.20% | NEW | |
| 46 | SPWR | Sunpower Inc | Stock-Other | 0.13% | -0.09% | +53.85% |
Performance for Q3 2026
-8.4%
Performance Last 4 Quarters
+42.7%
Based on 83% of reported portfolio value with available pricing
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 46 | $541.8M | 87 | ||
| 2026 Q1 | 37 | $367.8M | 63 | ||
| 2025 Q4 | 41 | $455.3M | 74 | ||
| 2025 Q3 | 44 | $319.1M | 90 | ||
| 2025 Q2 | 42 | $269.6M | 0 | ||
| 2025 Q1 | 38 | $231.3M | 100 | ||
| 2024 Q4 | 44 | $196.0M | 0 | ||
| 2024 Q3 | 41 | $177.9M | 0 | ||
| 2024 Q2 | 41 | $200.9M | 0 | ||
| 2024 Q1 | 48 | $263.7M | 0 | ||
| 2023 Q4 | 58 | $202.3M | 0 | ||
| 2023 Q3 | 43 | $141.9M | 0 | ||
| 2023 Q2 | 50 | $189.9M | 0 | ||
| 2023 Q1 | 47 | $139.6M | 0 | ||
| 2022 Q4 | 44 | $127.1M | 0 | ||
| 2022 Q3 | 41 | $111.7M | 0 | ||
| 2022 Q2 | 45 | $123.3M | 0 | ||
| 2022 Q1 | 42 | $135.4M | 0 | ||
| 2021 Q4 | 45 | $152.2M | 0 | ||
| 2015 Q3 | 44 | $83.4M | 67 | ||
| 2015 Q2 | 44 | $101.9M | 65 | ||
| 2015 Q1 | 40 | $96.6M | 97 | ||
| 2014 Q4 | 63 | $137.9M | 0 |
Westerly Capital Management, LLC's most significant position changes for 2026-06-30: New buy: Arista Networks Inc (ANET); Sold out: Udemy Inc (7WH); Sold out: Marvell Technology Inc (MRVL); New buy: Adobe Inc (ADBE); New buy: Salesforce Inc (CRM).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | ✓ | Invesco QQQ Tr Put Option 06/2 | +12% | +133.33% | Add |
| 2 | ANET | Arista Networks Inc | +3.9% | NEW | New buy |
| 3 | COUR | Coursera Inc | +3.6% | +257.94% | Add |
| 4 | ADBE | Adobe Inc | +2.8% | NEW | New buy |
| 5 | CRM | Salesforce Inc | +2.7% | NEW | New buy |
| 6 | ASAN | Asana Inc - Cl A | +1.7% | +137.83% | Add |
| 7 | NXT | Nextpower Inc-cl A | +1.7% | NEW | New buy |
| 8 | GWRE | Guidewire Software Inc | +1.6% | NEW | New buy |
| 9 | CALX | Calix Inc | +1.4% | NEW | New buy |
| 10 | ✓ | +1.3% | NEW | New buy | |
| 11 | APH | Amphenol Corp-cl A | +1.3% | NEW | New buy |
| 12 | VIAV | Viavi Solutions Inc | +1.2% | +35.29% | Add |
| 13 | RACE | Ferrari N.V. | +1.2% | NEW | New buy |
| 14 | NVDA | Nvidia CORP | +1.1% | NEW | New buy |
| 15 | ✓ | +1.1% | NEW | New buy | |
| 16 | NFLX | Netflix Inc | +0.9% | NEW | New buy |
| 17 | SNOW | Snowflake Inc. | +0.7% | NEW | New buy |
| 18 | CGNX | Cognex CORP | +0.6% | +36.00% | Add |
| 19 | GMTL | Guardian Metal Resources | +0.5% | +19900.00% | Add |
| 20 | ARM | Arm Holdings plc | +0.3% | NEW | New buy |
| 21 | AVNW | Aviat Networks Inc | +0.2% | NEW | New buy |
| 22 | FSLR | First Solar Inc | +0.1% | +50.00% | Add |
| 23 | SCOR | Comscore Inc | +0.1% | +46.15% | Add |
| 24 | ORN | Orion Group Holdings Inc | 0% | -5.68% | Trim |
| 25 | NXDR | Nextdoor Holdings Inc | -0.1% | -11.82% | Trim |
| 26 | SPWR | Sunpower Inc | -0.1% | +53.85% | Add |
| 27 | HHS | Harte-hanks Inc | -0.1% | +1.28% | Add |
| 28 | NWPX | Nwpx Infrastructure Inc | -0.2% | EXIT | Sold out |
| 29 | HIPO | Hippo Holdings Inc | -0.2% | +29.00% | Add |
| 30 | FLR | Fluor CORP | -0.4% | +13.20% | Add |
| 31 | AMBA | Ambarella, Inc. | -0.6% | -38.46% | Trim |
| 32 | FIG | Figma Inc-cl A | -0.6% | — | Unchanged |
| 33 | AMPL | Amplitude Inc-class A | -0.7% | -60.00% | Trim |
| 34 | ANGI | Angi Inc | -0.7% | -28.31% | Trim |
| 35 | TAC | Transalta CORP | -0.7% | -15.79% | Trim |
| 36 | BE | Bloom Energy Corp- A | -1% | -70.00% | Trim |
| 37 | ADTN | Adtran Holdings Inc | -1.5% | -37.50% | Trim |
| 38 | GLW | Corning Inc | -1.5% | EXIT | Sold out |
| 39 | NOK | Nokia Corp-spon Adr | -1.5% | -44.44% | Trim |
| 40 | CGNT | Cognyte Software Ltd. | -1.5% | -38.71% | Trim |
| 41 | MTRX | Matrix Service Co | -1.5% | -38.25% | Trim |
| 42 | HDSN | Hudson Technologies Inc | -1.5% | +6.46% | Add |
| 43 | VOO | Vanguard S&P 500 ETF | -1.5% | -66.67% | Trim |
| 44 | ENPH | Enphase Energy Inc | -1.6% | -31.25% | Trim |
| 45 | BIDU | Baidu Inc - Spon Adr | -1.7% | EXIT | Sold out |
| 46 | BL | Blackline Inc | -1.8% | -19.35% | Trim |
| 47 | AIP | Arteris Inc | -2.1% | EXIT | Sold out |
| 48 | LUMN | Lumen Technologies Inc | -2.2% | -36.36% | Trim |
| 49 | FRSH | Freshworks Inc-cl A | -2.7% | -57.89% | Trim |
| 50 | CSCO | Cisco Systems Inc | -3.6% | -75.56% | Trim |
Westerly Capital Management, LLC returned an annualized 25.3% over the trailing 36 months — underperforming the S&P 500 by 5.0 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 1.54 (more volatile than the market) and a 53% quarterly batting average against the index.
Its portfolio is broadly diversified and fast-trading, with 81.7% of the portfolio concentrated in Information Technology.
Its turnover score has risen from 0 to 87 over the past 4 quarters — a shift toward more active trading.
It has added to its COUR position over the past two quarters (+$27.0M, now $34.3M), while trimming VOO over the same stretch (-$13.7M, still holding $2.9M).
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