BIOGEN INC's ticker is and the CUSIP is 09062X953. A total of 4 filers reported holding BIOGEN INC in Q2 2013. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2013 | $5,337,000 | – | 24,800 | – | 0.10% | – |
Download | ||||||
Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Eisler Capital (UK) Ltd. | 50,000 | $10,197,000 | 0.33% |
| Twin Tree Management, LP | 352,000 | $71,787,000 | 0.11% |
| GROUP ONE TRADING, L.P. | 285,400 | $58,204,000 | 0.09% |
| JANE STREET GROUP, LLC | 498,600 | $101,684,000 | 0.04% |
| SIMPLEX TRADING, LLC | 138,000 | $28,143,000 | 0.03% |
| IMC-Chicago, LLC | 41,900 | $8,545,000 | 0.01% |
| SG Americas Securities, LLC | 5,000 | $106,000 | 0.00% |
| JPMORGAN CHASE & CO | 30,500 | $6,220,000 | 0.00% |
| Allianz Asset Management GmbH | 100 | $20,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |