ADAGE CAPITAL PARTNERS GP, L.L.C.
Holdings in BIIB
Position Over Time
| Report Date | Value (USD) | Shares | Type | Discretion | Filed |
|---|---|---|---|---|---|
| 2025-12-31 | $51,803,888 | 294,357 | Shares | Sole | 2026-02-17 |
| 2025-09-30 | $46,525,050 | 332,132 | Shares | Sole | 2025-11-14 |
| 2025-06-30 | $31,138,407 | 247,937 | Shares | Sole | 2025-08-14 |
| 2025-03-31 | $9,683,756 | 70,767 | Shares | Sole | 2025-05-15 |
| 2024-09-30 | $8,877,678 | 45,799 | Shares | Sole | 2024-11-14 |
| 2024-06-30 | $31,921,382 | 137,699 | Shares | Sole | 2024-08-14 |
| 2024-03-31 | $54,248,626 | 251,582 | Shares | Sole | 2024-05-15 |
| 2023-12-31 | $92,072,436 | 355,808 | Shares | Sole | 2024-02-14 |
| 2023-09-30 | $15,650,623 | 60,895 | Shares | Sole | 2023-11-14 |
| 2023-06-30 | $114,525,651 | 402,056 | Shares | Other | 2023-08-14 |
| 2023-03-31 | $92,312,354 | 332,023 | Shares | Sole | 2023-05-15 |
| 2022-12-31 | $61,642,115 | 222,599 | Shares | Sole | 2023-02-14 |
| 2022-09-30 | $66,162,333 | 247,799 | Shares | Sole | 2022-11-14 |
| 2022-06-30 | $31,100,646 | 152,499 | Shares | Sole | 2022-08-15 |
| 2022-03-31 | $3,874,829 | 18,399 | Shares | Sole | 2022-05-16 |
| 2021-12-31 | $43,545,240 | 181,499 | Shares | Sole | 2022-02-14 |
| 2021-09-30 | $32,005,886 | 113,099 | Shares | Sole | 2021-11-15 |
| 2021-06-30 | $46,884,611 | 135,399 | Shares | Sole | 2021-08-16 |
| 2021-03-31 | $48,113,363 | 171,987 | Shares | Sole | 2021-05-17 |
| 2020-12-31 | $41,549,558 | 169,687 | Shares | Sole | 2021-02-16 |
| 2020-09-30 | $50,177,318 | 176,880 | Shares | Sole | 2020-11-16 |
| 2020-06-30 | $14,873,104 | 55,590 | Shares | Sole | 2020-08-14 |
| 2020-03-31 | $65,139,478 | 205,890 | Shares | Sole | 2020-05-15 |