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 | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $615 | +412.5% | 38,733 | +23.9% | 0.01% | +500.0% |
| Q1 2023 | $120 | -100.0% | 31,268 | -91.3% | 0.00% | -95.7% |
| Q3 2022 | $1,724,000 | +153.2% | 360,717 | +138.2% | 0.02% | +187.5% |
| Q2 2022 | $681,000 | -5.0% | 151,436 | +0.5% | 0.01% | -11.1% |
| Q1 2022 | $717,000 | +128.3% | 150,705 | +256.5% | 0.01% | +200.0% |
| Q4 2021 | $314,000 | -81.3% | 42,277 | -85.7% | 0.00% | -87.0% |
| Q3 2021 | $1,678,000 | +118.5% | 296,002 | +154.2% | 0.02% | +187.5% |
| Q2 2021 | $768,000 | -1.4% | 116,466 | +21.1% | 0.01% | -27.3% |
| Q1 2021 | $779,000 | +499.2% | 96,140 | +375.9% | 0.01% | +1000.0% |
| Q4 2020 | $130,000 | -54.2% | 20,200 | -74.4% | 0.00% | -83.3% |
| Q3 2020 | $284,000 | +491.7% | 79,013 | +662.2% | 0.01% | +500.0% |
| Q2 2020 | $48,000 | -67.8% | 10,367 | -76.2% | 0.00% | -87.5% |
| Q1 2020 | $149,000 | – | 43,638 | – | 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% |