News + Filings Key Docs Holdings Ownership
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BlackRock Institutional Trust Company, N.A.
> BIIB
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 12/31/2016 | BIOGEN INC. | BIIB | 0 | -600 | 0 | -188,000 | |
| 09/30/2016 | BIOGEN INC. | BIIB | 600 | 600 | 188,000 | 188,000 | $313.33 |
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