BIOGEN INC's ticker is and the CUSIP is 09062X903. A total of 6 filers reported holding BIOGEN INC in Q3 2017. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2017 | $14,480,000 | – | 500 | – | 2.46% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| SABBY MANAGEMENT, LLC | 2,762 | $67,630,000 | 12.96% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 30,000 | $7,346,000 | 4.27% |
| Avidity Partners Management LP | 248,100 | $60,749,000 | 1.97% |
| BOOTHBAY FUND MANAGEMENT, LLC | 546 | $13,369,000 | 0.50% |
| GROUP ONE TRADING, L.P. | 464,200 | $113,664,000 | 0.20% |
| SIMPLEX TRADING, LLC | 3,468 | $84,917,000 | 0.11% |
| IMC-Chicago, LLC | 318,400 | $77,963,000 | 0.10% |
| Hudson Bay Capital Management LP | 50,000 | $12,244,000 | 0.07% |
| JPMORGAN CHASE & CO | 642,900 | $157,420,000 | 0.02% |
| SG Americas Securities, LLC | 10,000 | $11,000 | 0.00% |