Biogen Idec shares owned by Boothbay Fund Management
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Boothbay Fund Management
from 13F filings
Historical chart of Boothbay Fund Management investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Boothbay Fund Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $770k | 5.5k | 140.08 |
| 2025-06-30 | $1.4M | 11k | 125.59 |
| 2025-03-31 | $248k | 1.8k | 136.84 |
| 2022-12-31 | $235k | 850 | 276.92 |
| 2022-09-30 | $26M | 96k | 267.01 |
| 2022-06-30 | $6.6M | 33k | 203.95 |
| 2022-03-31 | $6.9M | 33k | 210.56 |
| 2021-12-31 | $14M | 59k | 239.93 |
| 2021-09-30 | $7.7M | 27k | 282.98 |
| 2021-06-30 | $17M | 50k | 346.27 |
| 2021-03-31 | $498k | 1.8k | 279.78 |
| 2020-12-31 | $607k | 2.5k | 244.76 |
| 2020-09-30 | $325k | 1.1k | 283.35 |
| 2020-06-30 | $1.4M | 5.3k | 267.46 |
| 2020-03-31 | $2.0M | 6.2k | 316.45 |
| 2019-12-31 | $2.1M | 7.0k | 296.71 |
| 2019-09-30 | $1.9M | 8.1k | 232.78 |
| 2019-06-30 | $1.7M | 7.2k | 233.91 |
| 2019-03-31 | $3.5M | 15k | 236.38 |
| 2016-12-31 | $524k | 1.8k | 283.70 |
| 2016-09-30 | $503k | 1.6k | 313.20 |
| 2016-06-30 | $356k | 1.6k | 222.50 |