IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 218 filers reported holding IMMUNOGEN INC in Q1 2021. The put-call ratio across all filers is 0.73 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $7,935,000 | +84001.7% | 500,000 | 0.0% | 8.42% | -8.5% |
| Q2 2023 | $9,435 | +391.4% | 500,000 | 0.0% | 9.20% | +303.6% |
| Q1 2023 | $1,920 | -22.6% | 500,000 | 0.0% | 2.28% | -23.0% |
| Q4 2022 | $2,480 | -99.9% | 500,000 | 0.0% | 2.96% | +11.0% |
| Q3 2022 | $2,390,000 | +11.8% | 500,000 | +5.3% | 2.67% | +17.3% |
| Q2 2022 | $2,138,000 | -0.2% | 475,000 | +5.6% | 2.28% | +26.5% |
| Q1 2022 | $2,142,000 | -23.0% | 450,000 | +20.0% | 1.80% | -14.5% |
| Q4 2021 | $2,783,000 | +30.9% | 375,000 | 0.0% | 2.10% | +32.5% |
| Q3 2021 | $2,126,000 | -14.0% | 375,000 | 0.0% | 1.59% | -11.2% |
| Q2 2021 | $2,471,000 | -18.7% | 375,000 | 0.0% | 1.79% | -20.9% |
| Q1 2021 | $3,038,000 | +25.6% | 375,000 | 0.0% | 2.26% | +0.7% |
| Q4 2020 | $2,419,000 | – | 375,000 | – | 2.24% | – |
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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% |