IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 268 filers reported holding IMMUNOGEN INC in Q2 2023. The put-call ratio across all filers is 0.38 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $666,017 | -12.1% | 41,967 | +4.6% | 0.00% | 0.0% |
| Q2 2023 | $757,423 | +86760.4% | 40,139 | +17582.4% | 0.00% | – |
| Q1 2023 | $872 | -22.6% | 227 | 0.0% | 0.00% | – |
| Q4 2022 | $1,126 | – | 227 | +567.6% | 0.00% | – |
| Q4 2021 | $0 | -100.0% | 34 | -93.3% | 0.00% | – |
| Q3 2021 | $3,000 | 0.0% | 507 | +7.2% | 0.00% | – |
| Q2 2021 | $3,000 | -40.0% | 473 | -30.0% | 0.00% | – |
| Q1 2021 | $5,000 | +66.7% | 676 | +42.9% | 0.00% | – |
| Q4 2020 | $3,000 | 0.0% | 473 | -19.7% | 0.00% | – |
| Q4 2019 | $3,000 | +200.0% | 589 | +4.6% | 0.00% | – |
| Q3 2019 | $1,000 | – | 563 | +329.8% | 0.00% | – |
| Q2 2019 | $0 | -100.0% | 131 | -99.1% | 0.00% | – |
| Q1 2019 | $42,000 | -43.2% | 15,246 | -0.8% | 0.00% | – |
| Q4 2018 | $74,000 | -50.7% | 15,376 | -3.0% | 0.00% | – |
| Q3 2018 | $150,000 | -3.2% | 15,846 | -0.3% | 0.00% | – |
| Q2 2018 | $155,000 | -7.2% | 15,888 | 0.0% | 0.00% | -100.0% |
| Q1 2018 | $167,000 | +74.0% | 15,888 | +5.9% | 0.00% | – |
| Q4 2017 | $96,000 | -16.5% | 15,000 | 0.0% | 0.00% | – |
| Q3 2017 | $115,000 | +7.5% | 15,000 | 0.0% | 0.00% | – |
| Q2 2017 | $107,000 | +81.4% | 15,000 | -2.0% | 0.00% | – |
| Q1 2017 | $59,000 | +195.0% | 15,300 | +136.8% | 0.00% | – |
| Q2 2016 | $20,000 | -25.9% | 6,460 | +99.1% | 0.00% | – |
| Q1 2016 | $27,000 | +1250.0% | 3,244 | +2474.6% | 0.00% | – |
| Q4 2015 | $2,000 | -60.0% | 126 | -77.1% | 0.00% | – |
| Q3 2015 | $5,000 | +400.0% | 550 | +175.0% | 0.00% | – |
| Q4 2014 | $1,000 | -50.0% | 200 | -17.0% | 0.00% | – |
| Q3 2014 | $2,000 | 0.0% | 241 | +20.5% | 0.00% | – |
| Q2 2014 | $2,000 | -33.3% | 200 | 0.0% | 0.00% | – |
| Q1 2014 | $3,000 | 0.0% | 200 | 0.0% | 0.00% | – |
| Q4 2013 | $3,000 | -40.0% | 200 | -40.3% | 0.00% | – |
| Q3 2013 | $5,000 | -86.5% | 335 | -85.0% | 0.00% | – |
| Q2 2013 | $37,000 | – | 2,227 | – | 0.00% | – |
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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% |