ARDSLEY ADVISORY PARTNERS LP
Top Portfolio Positions
122 positions ·
$754,080,296 total
· as of Mar 31, 2026
| Ticker | Company | Shares | Value (USD) | % of Portfolio | Open |
|---|---|---|---|---|---|
| AVGO |
Broadcom Inc.
Technology
|
139,500 | $43,176,645 | 5.73% | |
| SNDK |
Sandisk Corp
Technology
|
55,000 | $34,943,700 | 4.63% | |
| AMZN |
Amazon Com Inc
Consumer Cyclical
|
154,000 | $32,073,580 | 4.25% | |
| SPY |
Spdr S&P 500 ETF Trust
|
49,000 | $31,866,660 | 4.23% | |
| UTHR |
UNITED THERAPEUTICS Corp
Healthcare
|
50,000 | $29,649,000 | 3.93% | |
| ANET |
Arista Networks, Inc.
Technology
|
198,700 | $24,396,386 | 3.24% | |
| SMTC |
Semtech Corp
Technology
|
288,750 | $22,201,987 | 2.94% | |
| MOD |
Modine Manufacturing Co
Consumer Cyclical
|
91,100 | $19,742,281 | 2.62% | |
| SEZL |
Sezzle Inc.
Financial Services
|
300,000 | $18,987,000 | 2.52% | |
| NVDA |
Nvidia Corp
Technology
|
97,500 | $17,004,000 | 2.25% |
Portfolio Trend
25 quarters · across all stocks
Holdings in ALDX
Shares Held
Position Value (USD)
14 quarters on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $1,605,500 | 950,000 | Shares | Sole | 2026-05-15 | |
| 2026-03-31 | $507,000 | 300,000 | Call | Sole | 2026-05-15 | |
| 2025-12-31 | $7,511,000 | 1,450,000 | Shares | Sole | 2026-02-17 | |
| 2025-12-31 | $259,000 | 50,000 | Call | Sole | 2026-02-17 | |
| 2025-09-30 | $9,918,000 | 1,900,000 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $7,851,500 | 2,050,000 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $10,062,500 | 1,750,000 | Shares | Sole | 2025-05-15 | |
| 2025-03-31 | $2,300,000 | 400,000 | Call | Sole | 2025-05-15 | |
| 2024-12-31 | $2,994,000 | 600,000 | Call | Sole | 2025-02-14 | |
| 2024-12-31 | $5,738,500 | 1,150,000 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $2,695,000 | 500,000 | Shares | Sole | 2024-11-14 | |
| 2020-09-30 | $460,161 | 62,100 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $258,957 | 62,100 | Shares | Sole | 2020-08-14 | |
| 2020-03-31 | $91,637 | 37,100 | Shares | Sole | 2020-05-15 | |
| No 13F history on record for this holder in this stock. | ||||||