News + Filings Holdings
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Tamarack Advisers, LP
> BIIB
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 03/31/2023 | BIOGEN INC. | BIIB | 0 | -20,000 | 0 | -5,538,400,000 | |
| 12/31/2022 | BIOGEN INC. | BIIB | 20,000 | 20,000 | 5,538,400,000 | 5,538,400,000 | $276,920.00 |
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