Biogen Idec shares owned by Berkshire Asset Management
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Berkshire Asset Management
from 13F filings
Historical chart of Berkshire Asset Management investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Berkshire Asset Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2024-09-30 | $470k | 2.0k | 231.82 |
| 2024-06-30 | $470k | 2.0k | 231.82 |
| 2024-03-31 | $446k | 2.1k | 215.77 |
| 2023-12-31 | $538k | 2.1k | 258.77 |
| 2023-09-30 | $542k | 2.1k | 257.01 |
| 2023-06-30 | $628k | 2.2k | 284.85 |
| 2023-03-31 | $703k | 2.5k | 278.03 |
| 2022-09-30 | $628k | 2.4k | 267.01 |
| 2022-06-30 | $570k | 2.8k | 203.79 |
| 2022-03-31 | $763k | 3.6k | 210.66 |
| 2021-12-31 | $855k | 3.6k | 240.03 |
| 2021-09-30 | $1.6M | 5.5k | 283.06 |
| 2021-06-30 | $1.9M | 5.6k | 346.26 |
| 2021-03-31 | $1.6M | 5.9k | 279.69 |
| 2020-12-31 | $1.4M | 5.5k | 244.92 |
| 2020-09-30 | $619k | 2.2k | 283.81 |
| 2020-06-30 | $613k | 2.3k | 267.34 |
| 2020-03-31 | $1.7M | 5.4k | 316.34 |
| 2019-12-31 | $660k | 2.2k | 296.76 |
| 2019-09-30 | $502k | 2.2k | 232.73 |
| 2019-06-30 | $531k | 2.3k | 233.92 |
| 2019-03-31 | $476k | 2.0k | 236.58 |
| 2018-12-31 | $602k | 2.0k | 300.70 |
| 2018-09-30 | $759k | 2.1k | 353.52 |
| 2018-06-30 | $620k | 2.1k | 290.40 |
| 2018-03-31 | $495k | 1.8k | 274.09 |
| 2017-12-31 | $596k | 1.9k | 318.72 |
| 2017-09-30 | $577k | 1.8k | 313.25 |
| 2017-06-30 | $534k | 2.0k | 271.48 |
| 2017-03-31 | $601k | 2.2k | 273.55 |
| 2016-12-31 | $569k | 2.0k | 283.37 |
| 2016-09-30 | $731k | 2.3k | 312.93 |
| 2016-06-30 | $910k | 3.8k | 241.83 |
| 2016-03-31 | $772k | 3.0k | 260.46 |
| 2015-12-31 | $887k | 2.9k | 306.28 |
| 2015-09-30 | $801k | 2.7k | 291.70 |
| 2015-06-30 | $758k | 1.9k | 403.84 |
| 2015-03-31 | $806k | 1.9k | 421.99 |
| 2014-12-31 | $739k | 2.2k | 339.61 |
| 2014-09-30 | $706k | 2.1k | 330.99 |
| 2014-06-30 | $673k | 2.1k | 315.52 |
| 2014-03-31 | $652k | 2.1k | 305.67 |
| 2013-12-31 | $1.7M | 6.1k | 279.50 |
| 2013-09-30 | $1.3M | 5.2k | 240.71 |
| 2013-06-30 | $369k | 1.7k | 215.41 |
| 2013-03-31 | $517k | 2.7k | 192.55 |
| 2012-12-31 | $426k | 2.9k | 146.39 |
| 2012-09-30 | $434k | 2.9k | 149.14 |
| 2012-06-30 | $522k | 3.6k | 144.40 |
| 2012-03-31 | $464k | 3.7k | 125.92 |
| 2011-12-31 | $439k | 4.0k | 110.16 |
| 2011-09-30 | $395k | 4.2k | 93.16 |
| 2011-06-30 | $453k | 4.2k | 106.84 |
| 2011-03-31 | $312k | 4.2k | 73.58 |
| 2010-12-31 | $284k | 4.2k | 66.98 |
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