IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 195 filers reported holding IMMUNOGEN INC in Q4 2019. The put-call ratio across all filers is 0.71 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2020 | $60,000 | +36.4% | 13,100 | 0.0% | 0.00% | 0.0% |
| Q1 2020 | $44,000 | -33.3% | 13,100 | 0.0% | 0.00% | 0.0% |
| Q4 2019 | $66,000 | +247.4% | 13,100 | +424.0% | 0.00% | – |
| Q3 2017 | $19,000 | +11.8% | 2,500 | 0.0% | 0.00% | – |
| Q2 2017 | $17,000 | – | 2,500 | +525.0% | 0.00% | – |
| Q4 2016 | $0 | -100.0% | 400 | -99.3% | 0.00% | -100.0% |
| Q3 2016 | $144,000 | +213.0% | 54,110 | +258.3% | 0.00% | +100.0% |
| Q2 2016 | $46,000 | +820.0% | 15,100 | +3832.3% | 0.00% | – |
| Q2 2015 | $5,000 | – | 384 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Redmile Group, LLC | 17,503,417 | $277,779,228 | 13.22% |
| Fairmount Funds Management LLC | 5,929,592 | $94,102,625 | 11.32% |
| CM Management, LLC | 500,000 | $7,935,000 | 8.42% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 1,307,435 | $20,748,993 | 6.29% |
| Altium Capital Management LP | 725,000 | $11,505,750 | 6.00% |
| RA Capital Management | 13,322,288 | $211,424,711 | 4.16% |
| TANG CAPITAL MANAGEMENT LLC | 1,500,000 | $23,805,000 | 3.36% |
| BRIDGER MANAGEMENT, LLC | 467,220 | $7,414,781 | 2.73% |
| Birchview Capital, LP | 190,000 | $3,015,300 | 2.57% |
| Boxer Capital, LLC | 2,961,000 | $46,991,070 | 2.50% |