Biogen Idec shares owned by T. Rowe Price Associates
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by T. Rowe Price Associates
from 13F filings
Historical chart of T. Rowe Price Associates investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by T. Rowe Price Associates
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $1.8B | 9.5M | 192.91 |
| 2012-12-31 | $1.3B | 8.9M | 146.67 |
| 2012-09-30 | $1.3B | 8.7M | 149.23 |
| 2012-06-30 | $1.2B | 8.3M | 144.38 |
| 2012-03-31 | $972M | 7.7M | 125.97 |
| 2011-12-31 | $758M | 6.9M | 110.05 |
| 2011-09-30 | $505M | 5.4M | 93.15 |
| 2011-08-12 | $336M | 3.1M | 106.92 |
| 2011-03-31 | $69M | 934k | 73.39 |
| 2010-12-31 | $66M | 984k | 67.05 |