Portolan Capital Management, LLC
Holdings in CSTL
Position Over Time
| Report Date | Value (USD) | Shares | Type | Discretion | Filed |
|---|---|---|---|---|---|
| 2025-12-31 | $67,276,110 | 1,729,463 | Shares | Sole | 2026-02-17 |
| 2025-09-30 | $34,499,077 | 1,515,111 | Shares | Sole | 2025-11-13 |
| 2025-06-30 | $30,417,060 | 1,489,572 | Shares | Sole | 2025-08-13 |
| 2025-03-31 | $25,329,764 | 1,265,223 | Shares | Sole | 2025-05-15 |
| 2024-12-31 | $20,695,830 | 776,579 | Shares | Sole | 2025-02-13 |
| 2024-09-30 | $35,810,510 | 1,255,628 | Shares | Sole | 2024-11-14 |
| 2024-06-30 | $26,362,425 | 1,210,952 | Shares | Sole | 2024-08-14 |
| 2024-03-31 | $23,111,531 | 1,043,410 | Shares | Sole | 2024-05-15 |
| 2023-12-31 | $15,724,331 | 728,653 | Shares | Sole | 2024-02-14 |
| 2023-09-30 | $4,273,642 | 253,028 | Shares | Sole | 2023-11-14 |
| 2023-06-30 | $5,919,823 | 431,474 | Shares | Sole | 2023-08-14 |
| 2023-03-31 | $5,831,065 | 256,649 | Shares | Sole | 2023-05-15 |
| 2022-12-31 | $13,740,674 | 583,716 | Shares | Sole | 2023-02-13 |
| 2022-09-30 | $7,839,387 | 300,590 | Shares | Sole | 2022-11-14 |
| 2022-06-30 | $3,401,547 | 154,968 | Shares | Sole | 2022-08-15 |
| 2021-06-30 | $669,282 | 9,127 | Shares | Sole | 2021-08-16 |
| 2020-12-31 | $1,112,876 | 16,573 | Shares | Sole | 2021-02-16 |
| 2020-09-30 | $1,421,666 | 27,632 | Shares | Sole | 2020-11-16 |
| 2020-06-30 | $2,707,423 | 71,834 | Shares | Sole | 2020-08-14 |
| 2020-03-31 | $4,043,845 | 135,654 | Shares | Sole | 2020-05-14 |