Biogen Idec shares owned by American Century Companies
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by American Century Companies
from 13F filings
Historical chart of American Century Companies investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by American Century Companies
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $123M | 635k | 192.91 |
| 2012-12-31 | $90M | 612k | 146.67 |
| 2012-09-30 | $46M | 305k | 149.23 |
| 2012-06-30 | $50M | 344k | 144.38 |
| 2012-03-31 | $62M | 488k | 125.97 |
| 2011-12-31 | $51M | 461k | 110.05 |
| 2011-09-30 | $46M | 492k | 93.15 |
| 2011-06-30 | $59M | 551k | 106.92 |
| 2011-03-31 | $56M | 764k | 73.39 |
More positions owned by American Century Companies
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