IMMUNOGEN INC's ticker is and the CUSIP is 45253H951. A total of 4 filers reported holding IMMUNOGEN INC in Q4 2014. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2014 | $38,000 | – | 5 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Marathon Trading Investment Management LLC | 70,000 | $152,000 | 0.01% |
| GROUP ONE TRADING, L.P. | 86,700 | $188,000 | 0.00% |
| SIMPLEX TRADING, LLC | 130 | $28,000 | 0.00% |
| CONCOURSE FINANCIAL GROUP SECURITIES, INC. | 0 | $0 | 0.00% |