IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 214 filers reported holding IMMUNOGEN INC in Q4 2020. The put-call ratio across all filers is 0.99 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $24,716,493 | -7.8% | 1,557,435 | +9.7% | 7.49% | -9.6% |
| Q2 2023 | $26,795,400 | +445.9% | 1,420,000 | +11.1% | 8.29% | +309.1% |
| Q1 2023 | $4,908,288 | +54.8% | 1,278,200 | +99.9% | 2.03% | +123.4% |
| Q4 2022 | $3,170,774 | +51.2% | 639,269 | +45.7% | 0.91% | +27.9% |
| Q3 2022 | $2,097,000 | +11.9% | 438,695 | +5.3% | 0.71% | +22.9% |
| Q2 2022 | $1,874,000 | -58.3% | 416,479 | -55.9% | 0.58% | -69.0% |
| Q1 2022 | $4,498,000 | -60.0% | 945,000 | -37.6% | 1.86% | -59.1% |
| Q4 2021 | $11,237,000 | +204.9% | 1,514,411 | +133.0% | 4.55% | +118.6% |
| Q3 2021 | $3,685,000 | -32.4% | 649,919 | -21.5% | 2.08% | -14.4% |
| Q2 2021 | $5,454,000 | -7.7% | 827,587 | +13.5% | 2.43% | -24.5% |
| Q1 2021 | $5,908,000 | +52.7% | 729,364 | +21.6% | 3.22% | +43.4% |
| Q4 2020 | $3,870,000 | – | 600,000 | – | 2.25% | – |
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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% |