Biogen Idec shares owned by Tang Capital Management
Quarter-by-quarter ownership of Biogen Idec (BIIB) shares owned by Tang Capital Management
from 13F filings
Historical chart of Tang Capital Management investment in Biogen Idec
Tip: Access up to 7 years of quarterly data
All positions including Biogen Idec held by Tang Capital Management consolidated in one spreadsheet with up to 7 years of data
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Quarterly reported holdings in Biogen Idec by Tang Capital Management
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2025-09-30 | $4.9M | 35k | 140.08 |
| 2025-06-30 | $4.4M | 35k | 125.59 |
| 2025-03-31 | $4.8M | 35k | 136.84 |
| 2024-12-31 | $5.4M | 35k | 152.92 |
| 2024-09-30 | $6.8M | 35k | 193.84 |
| 2024-06-30 | $8.1M | 35k | 231.82 |