CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Holdings in BIIB
Position Over Time
| Report Date | Value (USD) | Shares | Type | Discretion | Filed |
|---|---|---|---|---|---|
| 2025-12-31 | $201,315,312 | 1,143,902 | Shares | Sole | 2026-02-13 |
| 2025-09-30 | $157,358,727 | 1,123,349 | Shares | Sole | 2025-11-10 |
| 2025-06-30 | $135,104,321 | 1,075,757 | Shares | Sole | 2025-08-12 |
| 2025-03-31 | $139,469,927 | 1,019,219 | Shares | Sole | 2025-09-15 |
| 2024-12-31 | $148,525,537 | 971,263 | Shares | Sole | 2025-02-06 |
| 2024-09-30 | $176,981,541 | 913,029 | Shares | Sole | 2024-11-12 |
| 2024-03-31 | $185,184,122 | 858,805 | Shares | Sole | 2024-05-09 |
| 2023-12-31 | $219,695,730 | 849,000 | Shares | Sole | 2024-02-06 |
| 2023-09-30 | $218,121,816 | 848,690 | Shares | Sole | 2023-11-08 |
| 2021-12-31 | $177,957,541 | 741,737 | Shares | Sole | 2022-02-11 |
| 2021-09-30 | $206,921,722 | 731,198 | Shares | Sole | 2021-11-16 |
| 2021-06-30 | $250,640,267 | 723,829 | Shares | Sole | 2021-08-16 |
| 2021-03-31 | $197,017,854 | 704,264 | Shares | Sole | 2021-05-17 |
| 2020-12-31 | $173,949,033 | 710,402 | Shares | Sole | 2021-02-16 |
| 2020-09-30 | $208,527,494 | 735,080 | Shares | Sole | 2020-11-13 |
| 2020-06-30 | $220,918,710 | 825,710 | Shares | Sole | 2020-08-20 |
| 2020-03-31 | $296,700,531 | 937,798 | Shares | Sole | 2020-05-15 |