IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 221 filers reported holding IMMUNOGEN INC in Q3 2021. The put-call ratio across all filers is 0.30 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $189,170 | -99.0% | 11,920 | -98.8% | 0.00% | -100.0% |
| Q2 2023 | $19,484,766 | +4838.3% | 1,032,579 | +904.9% | 0.04% | +4200.0% |
| Q1 2023 | $394,564 | -79.4% | 102,751 | -73.4% | 0.00% | -80.0% |
| Q4 2022 | $1,918,498 | +289.1% | 386,794 | +252.5% | 0.01% | +150.0% |
| Q2 2022 | $493,000 | -61.0% | 109,741 | -42.8% | 0.00% | -66.7% |
| Q2 2021 | $1,264,000 | +8.4% | 191,876 | -55.4% | 0.01% | -25.0% |
| Q1 2019 | $1,166,000 | -4.0% | 430,328 | +70.0% | 0.01% | -11.1% |
| Q4 2018 | $1,215,000 | -91.2% | 253,085 | -80.8% | 0.01% | -84.5% |
| Q1 2018 | $13,866,000 | +8566.2% | 1,318,023 | +5176.7% | 0.06% | – |
| Q4 2017 | $160,000 | +135.3% | 24,978 | +12.4% | 0.00% | – |
| Q2 2016 | $68,000 | – | 22,222 | – | 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% |