Biogen Idec shares owned by Holocene Advisors
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Holocene Advisors
from 13F filings
Historical chart of Holocene Advisors investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Holocene Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $838k | 6.0k | 140.08 |
| 2023-06-30 | $1.1M | 3.8k | 284.85 |
| 2023-03-31 | $54M | 194k | 278.03 |
| 2021-06-30 | $46M | 134k | 345.99 |
| 2020-06-30 | $92M | 345k | 267.55 |
| 2020-03-31 | $72M | 228k | 316.38 |
| 2019-12-31 | $74M | 250k | 296.73 |
| 2018-03-31 | $254k | 926 | 274.30 |