ARDSLEY ADVISORY PARTNERS Portfolio Holdings
Q3 2025•96 long positions•$641.4M portfolio value
We use cookies for analytics. See our Privacy and Cookie Policy.
Choose which columns to filter the table by
Choose which columns to display in the table
Holding148 | Sector | Position↕ | Traded↕ | Ownership↕ | Shares Δ↕ | Shares Δ % | Market Cap↕ | Owned Since↕ |
|---|---|---|---|---|---|---|---|---|
Solar Energy | $28.4M 4.44% | +$25.1M Bought | 0.12% 129.0K shares | 15.0K → 129.0K +$25.1M | +760.0% | $23.7B Large Cap | Q2 2021 Held for 4y 5m | |
Financial - Capital Markets Financial Services | $27.8M 4.34% | +$9.6M Bought | 0.758% 800.0K shares | 525.0K → 800.0K +$9.6M | +52.38% | $3.7B Mid Cap | Q2 2025 Held for 5 months | |
Solar Energy | $27.7M 4.31% | +$22.3M Bought | 0.693% 1.6M shares | 310.0K → 1.6M +$22.3M | +416.13% | $4.0B Mid Cap | Q2 2021 Held for 4y 5m | |
Software - Infrastructure Technology | $23.9M 3.73% | -$4.2M Sold | 0.003% 85.0K shares | 100.0K → 85.0K −$4.2M | -15.0% | $801.76B Mega Cap | Q4 2023 Held for 1y 11m | |
Semiconductors Technology | $20.0M 3.11% | -$5.4M Sold | 0.001% 60.5K shares | 77.0K → 60.5K −$5.4M | -21.43% | $1.56T Mega Cap | Q2 2023 Held for 2y 5m | |
Software - Infrastructure Technology | $19.1M 2.98% | -$2.6M Sold | 0.0% 37.0K shares | 42.0K → 37.0K −$2.6M | -11.9% | $3.85T Mega Cap | Q1 2016 Held for 9y 8m | |
Internet Content & Information Communication Services | $19.0M 2.96% | +$4.9M Bought | 0.001% 78.0K shares | 58.0K → 78.0K +$4.9M | +34.48% | $2.95T Mega Cap | Q1 2019 Held for 6y 8m | |
Electrical Equipment & Parts Industrials | $18.1M 2.83% | +$18.1M Bought | 0.573% 1.6M shares | — | — | $3.2B Mid Cap | Q3 2025 Held for 2 months | |
Specialty Retail Consumer Cyclical | $16.6M 2.58% | +$2.7M Bought | 0.001% 75.5K shares | 63.0K → 75.5K +$2.7M | +19.84% | $2.34T Mega Cap | Q1 2020 Held for 5y 8m | |
Unknown Unknown | $15.3M 2.38% | +$70.7K Bought | — 108.0K shares | 107.5K → 108.0K +$70.7K | +0.47% | — — | Q4 2024 Held for 11 months | |
Semiconductors Technology | $14.7M 2.29% | -$13.4M Sold | 0.0% 79.0K shares | 151.0K → 79.0K −$13.4M | -47.68% | $4.54T Mega Cap | Q2 2022 Held for 3y 5m | |
Communication Equipment Technology | $14.0M 2.18% | +$14.0M Bought | 0.123% 86.0K shares | — | — | $11.4B Large Cap | Q3 2025 Held for 2 months | |
Hardware, Equipment & Parts Technology | $13.8M 2.15% | +$1.3M Bought | 0.02% 167.9K shares | 152.0K → 167.9K +$1.3M | +10.45% | $70.3B Large Cap | Q2 2024 Held for 1y 5m | |
Financial - Capital Markets Financial Services | $13.7M 2.14% | -$5.2M Sold | 0.293% 1.2M shares | 1.7M → 1.2M −$5.2M | -27.27% | $4.7B Mid Cap | Q2 2024 Held for 1y 5m | |
Medical - Healthcare Information Services Healthcare | $13.3M 2.07% | +$8.9M Bought | 0.254% 450.0K shares | 150.0K → 450.0K +$8.9M | +200.0% | $5.2B Mid Cap | Q2 2025 Held for 5 months | |
Unknown Unknown | $12.6M 1.97% | +$12.6M Bought | — 133.0K shares | — | — | — — | Q3 2025 Held for 2 months | |
Software - Application Technology | $12.4M 1.93% | +$3.5M Bought | 0.006% 83.2K shares | 59.4K → 83.2K +$3.5M | +40.07% | $193.14B Large Cap | Q1 2025 Held for 8 months | |
Semiconductors Technology | $12.1M 1.89% | +$9.9M Bought | 0.055% 88.0K shares | 15.9K → 88.0K +$9.9M | +453.46% | $21.9B Large Cap | Q3 2023 Held for 2y 2m | |
Gold Basic Materials | $11.3M 1.77% | +$11.3M Bought | 0.077% 325.0K shares | — | — | $14.7B Large Cap | Q4 2023 Held for 1y 11m | |
Unknown Unknown | $11.2M 1.75% | +$11.2M Bought | 0.069% 100.0K shares | — | — | $16.4B Large Cap | Q3 2025 Held for 2 months | |
Unknown Unknown | $11.2M 1.75% | +$11.2M Bought | — 100.0K shares | — | — | $16.4B Large Cap | Q3 2025 Held for 2 months | |
Unknown Unknown | $11.1M 1.72% | +$11.1M New | — 15.0K shares | 0 → 15.0K +$11.1M | New | — — | Q3 2025 Held for 2 months | |
Banks - Diversified Financial Services | $10.0M 1.56% | +$2.0M Bought | 0.013% 625.0K shares | 500.0K → 625.0K +$2.0M | +25.0% | $77.4B Large Cap | Q2 2025 Held for 5 months | |
Biotechnology Healthcare | $9.9M 1.55% | -$783.0K Sold | 3.16% 1.9M shares | 2.1M → 1.9M −$783.0K | -7.32% | $313.4M Small Cap | Q3 2024 Held for 1y 2m | |
Software - Infrastructure Technology | $9.7M 1.52% | +$9.7M Bought | 0.06% 106.0K shares | — | — | $16.2B Large Cap | Q2 2022 Held for 3y 5m | |
Semiconductors Technology | $9.6M 1.49% | +$9.6M Bought | 0.585% 364.5K shares | — | — | $1.6B Small Cap | Q1 2025 Held for 8 months | |
Unknown Unknown | $8.9M 1.4% | +$1.5M Bought | 0.937% 880.0K shares | 730.0K → 880.0K +$1.5M | +20.55% | $955.6M Small Cap | Q4 2024 Held for 11 months | |
Software - Application Technology | $8.6M 1.34% | +$2.4M Bought | 0.122% 450.0K shares | 325.0K → 450.0K +$2.4M | +38.46% | $7.0B Mid Cap | Q4 2024 Held for 11 months | |
Semiconductors Technology | $8.4M 1.31% | +$3.6M Bought | 0.084% 114.5K shares | 65.0K → 114.5K +$3.6M | +76.15% | $10.0B Large Cap | Q3 2024 Held for 1y 2m | |
Computer Hardware Technology | $8.4M 1.31% | +$8.4M Bought | 0.03% 100.0K shares | — | — | $27.5B Large Cap | Q4 2024 Held for 11 months | |
Industrial - Machinery Industrials | $7.6M 1.19% | -$3.1M Sold | 0.142% 328.2K shares | 463.2K → 328.2K −$3.1M | -29.14% | $5.4B Mid Cap | Q2 2023 Held for 2y 5m | |
Electrical Equipment & Parts Industrials | $7.6M 1.18% | +$1.6M Bought | 0.118% 44.5K shares | 35.0K → 44.5K +$1.6M | +27.14% | $6.4B Mid Cap | Q3 2024 Held for 1y 2m | |
Medical - Healthcare Plans Healthcare | $7.5M 1.18% | -$753.9K Sold | 0.008% 100.0K shares | 110.0K → 100.0K −$753.9K | -9.09% | $95.6B Large Cap | Q2 2025 Held for 5 months | |
Aerospace & Defense Industrials | $7.4M 1.15% | -$8.3M Sold | 0.044% 40.0K shares | 85.0K → 40.0K −$8.3M | -52.94% | $16.9B Large Cap | Q2 2025 Held for 5 months | |
Medical - Care Facilities Healthcare | $7.1M 1.11% | +$7.1M Bought | 0.04% 35.0K shares | — | — | $17.9B Large Cap | Q3 2025 Held for 2 months | |
Medical - Healthcare Plans Healthcare | $7.1M 1.11% | +$7.1M Bought | 0.145% 375.0K shares | — | — | $4.9B Mid Cap | Q4 2023 Held for 1y 11m | |
Medical - Healthcare Information Services Healthcare | $6.5M 1.01% | -$2.2M Sold | 0.209% 60.0K shares | 80.0K → 60.0K −$2.2M | -25.0% | $3.1B Mid Cap | Q2 2025 Held for 5 months | |
Software - Infrastructure Technology | $6.4M 0.994% | +$2.4M Bought | 0.005% 31.3K shares | 19.5K → 31.3K +$2.4M | +60.51% | $137.82B Large Cap | Q1 2024 Held for 1y 8m | |
Biotechnology Healthcare | $6.2M 0.971% | +$366.5K Bought | 0.178% 425.0K shares | 400.0K → 425.0K +$366.5K | +6.25% | $3.5B Mid Cap | Q1 2025 Held for 8 months | |
Packaged Foods Consumer Defensive | $6.0M 0.932% | — | 0.863% 1.0M shares | — | — | $692.6M Small Cap | ≤ Q2 2013 Held for 12y 5m+ | |
Software - Application Technology | $5.7M 0.896% | — | 0.002% 8.0K shares | — | — | $243.05B Mega Cap | Q2 2025 Held for 5 months | |
Semiconductors Technology | $5.7M 0.891% | +$5.7M Bought | 0.092% 80.0K shares | — | — | $6.2B Mid Cap | Q3 2025 Held for 2 months | |
Engineering & Construction Industrials | $5.7M 0.885% | -$27.8M Sold | 0.084% 135.0K shares | 796.0K → 135.0K −$27.8M | -83.04% | $6.8B Mid Cap | Q1 2022 Held for 3y 8m | |
Uranium Energy | $5.5M 0.858% | — | 0.223% 2.0M shares | — | — | $2.5B Mid Cap | Q1 2023 Held for 2y 8m | |
Gambling, Resorts & Casinos Consumer Cyclical | $5.4M 0.846% | +$748.0K Bought | 0.029% 145.0K shares | 125.0K → 145.0K +$748.0K | +16.0% | $18.6B Large Cap | Q4 2023 Held for 1y 11m | |
Specialty Retail Consumer Cyclical | $5.4M 0.837% | +$5.4M Bought | 0.013% 59.0K shares | — | — | $41.6B Large Cap | Q1 2024 Held for 1y 8m | |
Semiconductors Technology | $5.2M 0.816% | +$5.2M Bought | 0.083% 40.5K shares | — | — | $6.3B Mid Cap | Q3 2025 Held for 2 months | |
Information Technology Services Technology | $5.1M 0.792% | +$5.1M Bought | 0.002% 18.0K shares | — | — | $262.84B Mega Cap | Q3 2025 Held for 2 months | |
Computer Hardware Technology | $5.0M 0.772% | -$26.8M Sold | 0.003% 34.0K shares | 218.0K → 34.0K −$26.8M | -84.4% | $183.14B Large Cap | Q4 2024 Held for 11 months | |
Oil & Gas Midstream Energy | $4.8M 0.741% | +$4.8M New | 0.006% 75.0K shares | 0 → 75.0K +$4.8M | New | $77.4B Large Cap | Q3 2025 Held for 2 months |
