Biogen Idec shares owned by Parallax Volatility Advisers
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Parallax Volatility Advisers
from 13F filings
Historical chart of Parallax Volatility Advisers investment in Biogen Idec
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Quarterly reported holdings in Biogen Idec by Parallax Volatility Advisers
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2013-03-31 | $20M | 104k | 193.33 |
| 2012-12-31 | $4.6M | 31k | 147.50 |
| 2012-09-30 | $3.9M | 26k | 149.24 |
| 2012-03-31 | $13M | 102k | 125.83 |
| 2011-12-31 | $26M | 238k | 110.00 |
| 2011-09-30 | $5.7M | 61k | 93.15 |
| 2011-06-30 | $18M | 171k | 106.91 |
| 2011-03-31 | $4.0M | 54k | 73.65 |
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