Biogen Idec shares owned by Massachusetts Financial Services
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Massachusetts Financial Services
from 13F filings
Historical chart of Massachusetts Financial Services investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Massachusetts Financial Services
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $102M | 729k | 140.08 |
| 2025-06-30 | $90M | 718k | 125.59 |
| 2025-03-31 | $97M | 708k | 136.84 |
| 2024-12-31 | $112M | 732k | 152.92 |
| 2024-09-30 | $138M | 711k | 193.84 |
| 2024-06-30 | $127M | 549k | 231.82 |
| 2024-03-31 | $124M | 575k | 215.63 |
| 2023-12-31 | $150M | 580k | 258.77 |
| 2023-09-30 | $115M | 447k | 257.01 |
| 2023-06-30 | $42M | 147k | 284.85 |
| 2023-03-31 | $41M | 147k | 278.03 |
| 2022-12-31 | $41M | 148k | 276.92 |
| 2022-09-30 | $61M | 228k | 267.00 |
| 2022-06-30 | $35M | 172k | 203.94 |
| 2022-03-31 | $43M | 206k | 210.60 |
| 2021-12-31 | $50M | 210k | 239.92 |
| 2021-09-30 | $58M | 204k | 282.99 |
| 2021-06-30 | $34M | 99k | 346.27 |
| 2021-03-31 | $9.9M | 36k | 279.75 |
| 2020-12-31 | $17M | 70k | 244.86 |
| 2020-09-30 | $35M | 122k | 283.68 |
| 2020-06-30 | $50M | 186k | 267.55 |
| 2020-03-31 | $70M | 222k | 316.38 |
| 2019-12-31 | $89M | 301k | 296.73 |
| 2019-09-30 | $107M | 459k | 232.82 |
| 2019-06-30 | $210M | 899k | 233.87 |
| 2019-03-31 | $433M | 1.8M | 236.38 |
| 2018-12-31 | $575M | 1.9M | 300.92 |
| 2018-09-30 | $658M | 1.9M | 353.31 |
| 2018-06-30 | $608M | 2.1M | 290.24 |
| 2018-03-31 | $569M | 2.1M | 273.82 |
| 2017-12-31 | $583M | 1.8M | 318.57 |
| 2017-09-30 | $561M | 1.8M | 313.12 |
| 2017-06-30 | $499M | 1.8M | 271.36 |
| 2017-03-31 | $370M | 1.4M | 273.42 |
| 2016-12-31 | $16M | 57k | 283.57 |
| 2016-09-30 | $18M | 56k | 313.03 |
| 2016-06-30 | $13M | 55k | 241.81 |
| 2016-03-31 | $32M | 125k | 260.32 |
| 2015-12-31 | $114M | 371k | 306.35 |
| 2015-09-30 | $234M | 802k | 291.81 |
| 2015-06-30 | $629M | 1.6M | 403.94 |
| 2015-03-31 | $631M | 1.5M | 422.24 |
| 2014-12-31 | $491M | 1.4M | 339.45 |
| 2014-09-30 | $550M | 1.7M | 330.81 |
| 2014-06-30 | $497M | 1.6M | 315.31 |
| 2014-03-31 | $405M | 1.3M | 305.87 |
| 2013-12-31 | $350M | 1.3M | 279.57 |
| 2013-09-30 | $284M | 1.2M | 240.76 |
| 2013-06-30 | $207M | 961k | 215.20 |
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