Biogen Idec shares owned by Teachers Advisors
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Teachers Advisors
from 13F filings
Historical chart of Teachers Advisors investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Teachers Advisors
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $142M | 736k | 192.91 |
| 2012-09-30 | $71M | 479k | 149.23 |
| 2012-03-31 | $75M | 595k | 125.97 |
| 2011-12-31 | $50M | 455k | 110.05 |
| 2011-09-30 | $36M | 385k | 93.15 |