ARDSLEY ADVISORY PARTNERS LP
CIK: 0000900529Latest portfolio: $911.1M · Q4 2025
Holdings
124
Total Value
$911.1M
New Positions
52
Closed Positions
39
Top Holdings
View All 124 Holdings →| # | Stock | Shares | Value | % Portfolio | Change | Type |
|---|---|---|---|---|---|---|
| 1 | AVGOBROADCOM INC | 134,000 | $46.4M | 5.09% | +44K | Call |
| 2 | LLYELI LILLY & CO | 40,000 | $43.0M | 4.72% | NEW | |
| 3 | FSLRFIRST SOLAR INC | 127,500 | $33.3M | 3.66% | NEW | Call |
| 4 | LITELUMENTUM HLDGS INC | 80,000 | $29.5M | 3.24% | -6,000 | |
| 5 | RUNSUNRUN INC | 1,480,000 | $27.2M | 2.99% | NEW | |
| 6 | NVDANVIDIA CORPORATION | 125,000 | $23.3M | 2.56% | +46K | |
| 7 | ARGXARGENX SE | 24,000 | $20.2M | 2.22% | +9K | |
| 8 | SMTCSEMTECH CORP | 259,000 | $19.1M | 2.09% | +139K | Call |
| 9 | SLVISHARES SILVER TR | 295,000 | $19.0M | 2.08% | +95K | |
| 10 | ANETARISTA NETWORKS INC | 140,000 | $18.3M | 2.01% | NEW | Call |
| 11 | TEVATEVA PHARMACEUTICAL INDS LTD | 580,000 | $18.1M | 1.99% | +80K | |
| 12 | GOOGALPHABET INC | 57,000 | $17.9M | 1.96% | NEW | |
| 13 | TELTE CONNECTIVITY PLC | 73,500 | $16.7M | 1.84% | NEW | |
| 14 | HUTHUT 8 CORP | 360,000 | $16.5M | 1.82% | NEW | |
| 15 | SEZLSEZZLE INC | 255,000 | $16.2M | 1.78% | NEW | Call |
| 16 | AEISADVANCED ENERGY INDS | 73,000 | $15.3M | 1.68% | +29K | |
| 17 | ORCLORACLE CORP | 78,000 | $15.2M | 1.67% | -22,000 | Call |
| 18 | CRMSALESFORCE INC | 51,000 | $13.5M | 1.48% | +18K | Call |
| 19 | WULFTERAWULF INC | 1,165,000 | $13.4M | 1.47% | -35,000 | |
| 20 | SNDKSANDISK CORP | 56,000 | $13.3M | 1.46% | -44,000 | |
| 21 | BTSGBRIGHTSPRING HEALTH SVCS INC | 350,000 | $13.1M | 1.44% | -100,000 | |
| 22 | PANWPALO ALTO NETWORKS INC | 69,000 | $12.7M | 1.39% | NEW | Call |
| 23 | SHOPSHOPIFY INC | 78,400 | $12.6M | 1.39% | -4,800 | |
| 24 | AMZNAMAZON COM INC | 54,000 | $12.5M | 1.37% | -21,500 | |
| 25 | TERTERADYNE INC | 60,000 | $11.6M | 1.27% | -28,000 |
Quarterly Changes
New Positions
Increased Positions
Sector Breakdown
Technology0.0% ($4.6385294872331216e+167T)
Industrials0.0% ($1.5284761163604432e+52T)
Financial Services0.0% ($1.6538161851338512e+42T)
Healthcare0.0% ($4.298720182181011e+37T)
Energy0.0% ($3.3306272321034643e+37T)
Unknown0.0% ($1.0906744574033314e+21T)
Consumer Cyclical0.0% ($12469109925374363648.0T)
Communication Services0.0% ($1788688903470320384.0T)
Utilities0.0% ($4989450022762.0T)
Basic Materials0.0% ($115.7T)
Consumer Defensive0.0% ($6.4M)
Filing History
| Quarter | Filing Date | Portfolio Value | Holdings |
|---|---|---|---|
| Q4 2025 | Feb 17, 2026 | $911.1M | 142 |
| Q3 2025 | Nov 14, 2025 | $808.7B | 130 |
| Q2 2025 | Aug 14, 2025 | $760.6B | 0 |
| Q1 2025 | May 15, 2025 | $522.4B | 139 |
| Q4 2024 | Feb 14, 2025 | $630.6B | 143 |
| Q3 2024 | Nov 14, 2024 | $608.0B | 128 |
| Q2 2024 | Aug 14, 2024 | $680.8B | 140 |
| Q1 2024 | May 15, 2024 | $696.1B | 124 |
| Q4 2023 | Feb 14, 2024 | $647.9B | 138 |
| Q3 2023 | Nov 14, 2023 | $447.9B | 114 |
| Q2 2023 | Aug 14, 2023 | $591.7B | 121 |
| Q1 2023 | May 15, 2023 | $455.2B | 101 |
| Q4 2022 | Feb 14, 2023 | $482.9B | 119 |
| Q3 2022 | Nov 14, 2022 | $446.6M | 103 |
| Q2 2022 | Aug 15, 2022 | $607.8M | 124 |
| Q1 2022 | May 16, 2022 | $599.4M | 126 |
| Q4 2021 | Feb 14, 2022 | $524.7M | 106 |
| Q3 2021 | Nov 15, 2021 | $656.0M | 126 |
| Q2 2021 | Aug 16, 2021 | $851.1M | 130 |
| Q1 2021 | May 17, 2021 | $822.1M | 123 |
| Q4 2020 | Feb 16, 2021 | $609.2M | 128 |
| Q3 2020 | Nov 13, 2020 | $518.3M | 145 |
| Q2 2020 | Aug 14, 2020 | $470.1M | 132 |
| Q1 2020 | May 15, 2020 | $255.2M | 101 |
| Q4 2019 | Feb 14, 2020 | $626.7M | 150 |
| Q3 2019 | Nov 14, 2019 | $445.9M | 133 |
| Q2 2019 | Aug 13, 2019 | $625.7M | 148 |
| Q1 2019 | May 15, 2019 | $521.2M | 131 |
| Q4 2018 | Feb 14, 2019 | $397.9M | 104 |
| Q3 2018 | Nov 14, 2018 | $742.1M | 151 |
| Q2 2018 | Aug 14, 2018 | $664.7M | 159 |
| Q1 2018 | May 15, 2018 | $667.2M | 148 |
| Q4 2017 | Feb 14, 2018 | $823.0M | 150 |
| Q3 2017 | Nov 14, 2017 | $751.9M | 141 |
| Q2 2017 | Aug 14, 2017 | $559.0M | 121 |
| Q1 2017 | May 15, 2017 | $643.6M | 150 |
| Q4 2016 | Feb 14, 2017 | $604.0M | 123 |
| Q3 2016 | Nov 14, 2016 | $632.3M | 156 |
| Q2 2016 | Aug 15, 2016 | $576.4M | 151 |
| Q1 2016 | May 16, 2016 | $646.6M | 139 |
Fund Information
ARDSLEY ADVISORY PARTNERS LP is an institutional investment manager that files 13F reports with the SEC. As of the Q4 2025 filing, the fund reported a portfolio valued at $911.1M across 124 holdings. The largest position is BROADCOM INC (AVGO), representing 5.1% of the portfolio. Compared to the previous quarter, the fund opened 63 new positions and closed 50 positions. 13F filings are required quarterly disclosures that provide transparency into the holdings of institutional investment managers with at least $100 million in qualifying assets.