Rock Springs Capital Management LP
Holdings in PEN
Position Over Time
| Report Date | Value (USD) | Shares | Type | Discretion | Filed |
|---|---|---|---|---|---|
| 2025-12-31 | $37,464,655 | 120,500 | Shares | Sole | 2026-02-17 |
| 2025-09-30 | $30,525,060 | 120,500 | Shares | Sole | 2025-11-14 |
| 2025-06-30 | $32,976,955 | 128,500 | Shares | Sole | 2025-08-14 |
| 2025-03-31 | $45,727,110 | 171,000 | Shares | Sole | 2025-05-15 |
| 2024-12-31 | $56,995,200 | 240,000 | Shares | Sole | 2025-02-14 |
| 2024-09-30 | $51,492,150 | 265,000 | Shares | Sole | 2024-11-14 |
| 2024-06-30 | $47,692,050 | 265,000 | Shares | Sole | 2024-08-14 |
| 2024-03-31 | $112,705,900 | 505,000 | Shares | Sole | 2024-05-15 |
| 2023-12-31 | $135,202,750 | 537,500 | Shares | Sole | 2024-02-14 |
| 2023-09-30 | $121,862,162 | 503,750 | Shares | Sole | 2023-11-14 |
| 2023-06-30 | $125,925,960 | 366,000 | Shares | Sole | 2023-08-14 |
| 2023-03-31 | $120,812,115 | 433,500 | Shares | Sole | 2023-05-15 |
| 2022-12-31 | $113,065,295 | 508,250 | Shares | Sole | 2023-02-14 |
| 2022-09-30 | $90,249,600 | 476,000 | Shares | Sole | 2022-11-14 |
| 2022-06-30 | $49,994,780 | 401,500 | Shares | Sole | 2022-08-15 |
| 2022-03-31 | $45,425,585 | 204,500 | Shares | Sole | 2022-05-16 |
| 2021-12-31 | $42,667,020 | 148,500 | Shares | Sole | 2022-02-14 |
| 2021-09-30 | $39,308,750 | 147,500 | Shares | Sole | 2021-11-15 |
| 2021-06-30 | $40,423,850 | 147,500 | Shares | Sole | 2021-08-16 |
| 2021-03-31 | $39,910,550 | 147,500 | Shares | Sole | 2021-05-17 |
| 2020-12-31 | $27,825,000 | 159,000 | Shares | Sole | 2021-02-16 |
| 2020-09-30 | $30,906,420 | 159,000 | Shares | Sole | 2020-11-16 |
| 2020-06-30 | $37,015,740 | 207,000 | Shares | Sole | 2020-08-14 |
| 2020-03-31 | $36,299,250 | 225,000 | Shares | Sole | 2020-05-15 |