Biogen Idec shares owned by Gifford Fong Associates
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Gifford Fong Associates
from 13F filings
Historical chart of Gifford Fong Associates investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Gifford Fong Associates
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2024-09-30 | $1.1M | 5.8k | 193.91 |
| 2024-06-30 | $1.3M | 5.8k | 231.83 |
| 2024-03-31 | $1.2M | 5.8k | 215.65 |
| 2023-12-31 | $3.0M | 12k | 258.78 |
| 2023-09-30 | $3.0M | 12k | 257.04 |
| 2023-06-30 | $3.3M | 12k | 284.87 |
| 2023-03-31 | $3.2M | 12k | 278.00 |
| 2022-12-31 | $3.2M | 12k | 276.96 |
| 2022-09-30 | $3.1M | 12k | 267.04 |
| 2022-06-30 | $2.3M | 12k | 203.91 |
| 2022-03-31 | $2.4M | 12k | 210.61 |
| 2021-12-31 | $2.8M | 12k | 239.91 |
| 2021-09-30 | $3.3M | 12k | 282.96 |
| 2021-06-30 | $4.0M | 12k | 346.26 |
| 2021-03-31 | $3.2M | 12k | 279.74 |
| 2020-12-31 | $2.8M | 12k | 244.87 |
| 2020-09-30 | $3.3M | 12k | 283.65 |
| 2020-06-30 | $3.1M | 12k | 267.57 |
| 2020-03-31 | $3.6M | 12k | 316.35 |
| 2019-12-31 | $445k | 1.5k | 296.67 |
| 2019-09-30 | $349k | 1.5k | 232.67 |
| 2019-06-30 | $351k | 1.5k | 234.00 |
| 2019-03-31 | $355k | 1.5k | 236.67 |
| 2018-12-31 | $451k | 1.5k | 300.67 |
| 2018-09-30 | $530k | 1.5k | 353.33 |
| 2018-06-30 | $435k | 1.5k | 290.00 |