Biogen Idec shares owned by Portolan Capital Management
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Portolan Capital Management
from 13F filings
Historical chart of Portolan Capital Management investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Portolan Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2012-06-30 | $297k | 2.1k | 144.46 |
| 2012-03-31 | $1.9M | 15k | 126.02 |
| 2011-12-31 | $1.9M | 17k | 110.03 |
| 2011-09-30 | $2.2M | 24k | 93.14 |
More positions owned by Portolan Capital Management
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