IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 238 filers reported holding IMMUNOGEN INC in Q4 2021. The put-call ratio across all filers is 0.39 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $85 | -99.9% | 22,800 | +61.7% | 0.00% | – |
| Q3 2022 | $66,000 | -52.9% | 14,100 | -43.1% | 0.00% | – |
| Q3 2021 | $140,000 | -42.6% | 24,800 | -33.3% | 0.00% | – |
| Q2 2021 | $244,000 | +293.5% | 37,165 | +114.8% | 0.00% | – |
| Q3 2020 | $62,000 | -51.9% | 17,300 | -41.4% | 0.00% | – |
| Q2 2020 | $129,000 | -23.2% | 29,512 | -37.2% | 0.00% | – |
| Q1 2020 | $168,000 | -3.4% | 47,023 | +36.7% | 0.00% | – |
| Q4 2019 | $174,000 | -14.7% | 34,400 | -54.2% | 0.00% | – |
| Q3 2019 | $204,000 | +65.9% | 75,060 | +32.4% | 0.00% | – |
| Q2 2019 | $123,000 | -80.5% | 56,707 | -75.6% | 0.00% | -100.0% |
| Q1 2019 | $631,000 | +24.7% | 232,740 | +106.9% | 0.00% | +100.0% |
| Q4 2018 | $506,000 | -46.1% | 112,469 | +13.5% | 0.00% | -66.7% |
| Q3 2018 | $938,000 | +69.9% | 99,100 | +15.1% | 0.00% | 0.0% |
| Q4 2017 | $552,000 | -52.3% | 86,129 | -43.1% | 0.00% | -40.0% |
| Q3 2017 | $1,157,000 | +77.7% | 151,265 | +67.8% | 0.01% | +25.0% |
| Q2 2017 | $651,000 | +1151.9% | 90,132 | +256.3% | 0.00% | – |
| Q4 2016 | $52,000 | -71.4% | 25,300 | -63.2% | 0.00% | -100.0% |
| Q3 2016 | $182,000 | +100.0% | 68,800 | +136.4% | 0.00% | 0.0% |
| Q2 2016 | $91,000 | – | 29,100 | – | 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% |