Biogen Idec shares owned by CSS
Historical chart of CSS investment in Biogen Idec
Tip: Access up to 7 years of quarterly data
All positions including Biogen Idec held by CSS consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Biogen Idec by CSS
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $1.1M | 7.8k | 140.08 |
| 2025-06-30 | $869k | 6.9k | 125.59 |
| 2025-03-31 | $510k | 3.7k | 136.84 |
| 2022-12-31 | $4.7M | 17k | 276.92 |
| 2022-09-30 | $16M | 61k | 267.01 |
| 2022-03-31 | $2.2M | 11k | 210.57 |
| 2021-12-31 | $15M | 61k | 240.00 |
| 2021-09-30 | $4.4M | 16k | 282.93 |
| 2021-06-30 | $13M | 38k | 346.07 |
| 2021-03-31 | $32M | 116k | 279.74 |
| 2020-12-31 | $60M | 246k | 244.88 |
| 2020-09-30 | $20M | 72k | 283.71 |
| 2020-06-30 | $15M | 54k | 268.75 |
| 2020-03-31 | $8.7M | 28k | 316.38 |
| 2019-12-31 | $2.2M | 7.5k | 296.80 |