IMMUNOGEN INC's ticker is IMGN and the CUSIP is 45253H101. A total of 218 filers reported holding IMMUNOGEN INC in Q1 2019. The put-call ratio across all filers is 0.63 and the average weighting 0.0%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $3,000 | -50.0% | 1,257 | 0.0% | 0.00% | -50.0% |
| Q4 2018 | $6,000 | 0.0% | 1,257 | +11.2% | 0.00% | 0.0% |
| Q3 2018 | $6,000 | -45.5% | 1,130 | 0.0% | 0.00% | -50.0% |
| Q2 2018 | $11,000 | -8.3% | 1,130 | 0.0% | 0.00% | 0.0% |
| Q1 2018 | $12,000 | -14.3% | 1,130 | -49.3% | 0.00% | -20.0% |
| Q4 2017 | $14,000 | -58.8% | 2,230 | -49.0% | 0.01% | -61.5% |
| Q3 2017 | $34,000 | +9.7% | 4,370 | -0.5% | 0.01% | 0.0% |
| Q2 2017 | $31,000 | +72.2% | 4,391 | -3.1% | 0.01% | +62.5% |
| Q1 2017 | $18,000 | +80.0% | 4,530 | -3.6% | 0.01% | +60.0% |
| Q4 2016 | $10,000 | -16.7% | 4,700 | +4.1% | 0.01% | -16.7% |
| Q3 2016 | $12,000 | -20.0% | 4,513 | -2.1% | 0.01% | -14.3% |
| Q2 2016 | $15,000 | -61.5% | 4,612 | 0.0% | 0.01% | -63.2% |
| Q1 2016 | $39,000 | -32.8% | 4,612 | +7.2% | 0.02% | -26.9% |
| Q4 2015 | $58,000 | – | 4,304 | – | 0.03% | – |
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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% |