IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 3 filers reported holding IMMUNOGEN INC in Q4 2023. The put-call ratio across all filers is - and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q4 2023 | $990,132 | +46.7% | 33,394 | -21.5% | 0.03% | +26.9% |
| Q3 2023 | $674,744 | -12.2% | 42,517 | +4.4% | 0.03% | -7.1% |
| Q2 2023 | $768,367 | +411.7% | 40,719 | +4.1% | 0.03% | +366.7% |
| Q1 2023 | $150,163 | +77303.6% | 39,105 | 0.0% | 0.01% | -25.0% |
| Q4 2022 | $194 | -99.9% | 39,105 | 0.0% | 0.01% | 0.0% |
| Q3 2022 | $187,000 | +1.1% | 39,105 | -5.0% | 0.01% | 0.0% |
| Q2 2022 | $185,000 | -5.6% | 41,177 | 0.0% | 0.01% | +14.3% |
| Q1 2022 | $196,000 | -35.9% | 41,177 | 0.0% | 0.01% | -30.0% |
| Q4 2021 | $306,000 | +43.7% | 41,177 | +9.6% | 0.01% | +25.0% |
| Q3 2021 | $213,000 | -14.1% | 37,560 | 0.0% | 0.01% | -11.1% |
| Q2 2021 | $248,000 | -14.5% | 37,560 | +4.9% | 0.01% | -18.2% |
| Q1 2021 | $290,000 | +8.6% | 35,811 | -13.4% | 0.01% | 0.0% |
| Q4 2020 | $267,000 | +122.5% | 41,364 | +23.8% | 0.01% | +83.3% |
| Q3 2020 | $120,000 | -22.1% | 33,412 | 0.0% | 0.01% | -25.0% |
| Q2 2020 | $154,000 | – | 33,412 | – | 0.01% | – |
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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% |