IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 275 filers reported holding IMMUNOGEN INC in Q3 2023. The put-call ratio across all filers is 0.37 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $709,532 | +0.1% | 44,709 | +19.0% | 0.00% | 0.0% |
| Q2 2023 | $708,757 | +513.0% | 37,560 | +24.8% | 0.00% | +200.0% |
| Q1 2023 | $115,615 | -30.0% | 30,108 | -9.6% | 0.00% | 0.0% |
| Q4 2022 | $165,237 | +2.0% | 33,314 | -1.5% | 0.00% | 0.0% |
| Q3 2022 | $162,000 | +47.3% | 33,832 | +37.8% | 0.00% | 0.0% |
| Q2 2022 | $110,000 | -34.9% | 24,545 | -30.7% | 0.00% | 0.0% |
| Q1 2022 | $169,000 | -27.8% | 35,407 | +12.0% | 0.00% | 0.0% |
| Q4 2021 | $234,000 | +27.9% | 31,600 | -1.9% | 0.00% | 0.0% |
| Q3 2021 | $183,000 | -13.7% | 32,218 | +0.2% | 0.00% | 0.0% |
| Q2 2021 | $212,000 | -17.2% | 32,144 | +1.6% | 0.00% | -50.0% |
| Q1 2021 | $256,000 | +116.9% | 31,633 | +72.6% | 0.00% | +100.0% |
| Q4 2020 | $118,000 | +78.8% | 18,326 | 0.0% | 0.00% | – |
| Q3 2020 | $66,000 | -21.4% | 18,326 | 0.0% | 0.00% | -100.0% |
| Q2 2020 | $84,000 | +86.7% | 18,326 | +37.9% | 0.00% | – |
| Q1 2020 | $45,000 | +7.1% | 13,287 | +61.1% | 0.00% | – |
| Q4 2019 | $42,000 | +110.0% | 8,246 | 0.0% | 0.00% | – |
| Q3 2019 | $20,000 | +11.1% | 8,246 | 0.0% | 0.00% | – |
| Q2 2019 | $18,000 | -18.2% | 8,246 | 0.0% | 0.00% | – |
| Q1 2019 | $22,000 | -60.0% | 8,246 | -28.4% | 0.00% | -100.0% |
| Q4 2018 | $55,000 | -49.5% | 11,521 | 0.0% | 0.00% | 0.0% |
| Q3 2018 | $109,000 | +18.5% | 11,521 | +22.0% | 0.00% | 0.0% |
| Q2 2018 | $92,000 | -21.4% | 9,446 | -15.2% | 0.00% | 0.0% |
| Q1 2018 | $117,000 | +387.5% | 11,144 | +198.5% | 0.00% | – |
| Q4 2017 | $24,000 | -17.2% | 3,733 | 0.0% | 0.00% | – |
| Q3 2017 | $29,000 | +107.1% | 3,733 | +87.1% | 0.00% | – |
| Q2 2017 | $14,000 | +75.0% | 1,995 | 0.0% | 0.00% | – |
| Q1 2017 | $8,000 | +100.0% | 1,995 | 0.0% | 0.00% | – |
| Q4 2016 | $4,000 | -20.0% | 1,995 | 0.0% | 0.00% | – |
| Q3 2016 | $5,000 | -16.7% | 1,995 | 0.0% | 0.00% | – |
| Q2 2016 | $6,000 | -64.7% | 1,995 | 0.0% | 0.00% | – |
| Q1 2016 | $17,000 | -37.0% | 1,995 | 0.0% | 0.00% | – |
| Q4 2015 | $27,000 | +200.0% | 1,995 | +109.1% | 0.00% | – |
| Q3 2015 | $9,000 | -99.3% | 954 | -98.9% | 0.00% | -100.0% |
| Q4 2013 | $1,320,000 | -59.2% | 90,000 | -52.6% | 0.04% | -61.6% |
| Q3 2013 | $3,234,000 | +549.4% | 190,000 | +533.3% | 0.11% | +558.8% |
| Q2 2013 | $498,000 | -72.0% | 30,000 | -72.9% | 0.02% | -72.6% |
| Q1 2013 | $1,776,000 | -7.2% | 110,603 | -26.3% | 0.06% | -17.3% |
| Q4 2012 | $1,913,000 | +39.8% | 150,000 | +60.1% | 0.08% | +36.4% |
| Q3 2012 | $1,368,000 | +243.7% | 93,700 | +295.4% | 0.06% | +205.6% |
| Q2 2012 | $398,000 | +16.7% | 23,700 | 0.0% | 0.02% | +20.0% |
| Q1 2012 | $341,000 | – | 23,700 | – | 0.02% | – |
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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% |