Biogen Idec shares owned by BlackRock Advisors
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by BlackRock Advisors
from 13F filings
Historical chart of BlackRock Advisors investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by BlackRock Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2016-12-31 | $411M | 1.4M | 283.48 |
| 2016-09-30 | $379M | 1.2M | 313.08 |
| 2016-06-30 | $257M | 1.1M | 241.92 |
| 2016-03-31 | $279M | 1.1M | 260.32 |
| 2015-12-31 | $416M | 1.4M | 306.35 |
| 2015-09-30 | $455M | 1.6M | 291.81 |
| 2015-06-30 | $324M | 803k | 403.94 |
| 2015-03-31 | $306M | 725k | 422.23 |
| 2014-12-31 | $265M | 780k | 339.43 |
| 2014-09-30 | $505M | 1.5M | 330.82 |
| 2014-06-30 | $568M | 1.8M | 315.29 |
| 2014-03-31 | $511M | 1.7M | 305.86 |
| 2013-12-31 | $277M | 992k | 279.59 |
| 2013-09-30 | $236M | 980k | 240.76 |
| 2013-06-30 | $178M | 825k | 215.20 |