Biogen Idec shares owned by Cairn Investment Group
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Cairn Investment Group
from 13F filings
Historical chart of Cairn Investment Group investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Cairn Investment Group
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.1M | 8.2k | 140.05 |
| 2025-06-30 | $1.0M | 8.3k | 125.57 |
| 2025-03-31 | $1.1M | 8.4k | 136.79 |
| 2024-12-31 | $1.3M | 8.4k | 152.94 |
| 2024-09-30 | $2.2M | 12k | 193.82 |
| 2024-06-30 | $2.6M | 11k | 231.84 |
| 2024-03-31 | $2.4M | 11k | 215.65 |
| 2023-09-30 | $2.8M | 11k | 256.97 |
| 2023-06-30 | $2.9M | 10k | 284.84 |
| 2023-03-31 | $2.7M | 9.8k | 278.00 |
| 2022-12-31 | $2.6M | 9.6k | 276.95 |
| 2022-09-30 | $2.4M | 9.1k | 267.00 |
| 2022-06-30 | $1.9M | 9.2k | 203.91 |
| 2022-03-31 | $2.0M | 9.1k | 223.16 |
| 2021-12-31 | $1.9M | 7.9k | 239.87 |
| 2021-09-30 | $2.1M | 7.3k | 282.90 |
| 2021-06-30 | $2.5M | 7.1k | 346.22 |
| 2021-03-31 | $1.9M | 7.0k | 279.80 |
| 2020-12-31 | $1.7M | 7.1k | 244.92 |
| 2020-09-30 | $2.0M | 7.0k | 283.59 |
| 2020-06-30 | $314k | 1.2k | 267.23 |
| 2020-03-31 | $389k | 1.2k | 316.26 |
| 2019-12-31 | $424k | 1.4k | 296.50 |