ImmunoGen shares owned by Mason Capital Partners
Quarter-by-quarter ownership of ImmunoGen shares owned by Mason Capital Partners
from 13F filings
Historical chart of Mason Capital Partners investment in ImmunoGen
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Quarterly reported holdings in ImmunoGen by Mason Capital Partners
| Quarter filed | Position value | Share count | Share price at filing |
|---|---|---|---|
| 2021-12-31 | $275k | 37k | 7.43 |
| 2021-09-30 | $164k | 28k | 5.86 |
| 2021-06-30 | $185k | 28k | 6.61 |
| 2021-03-31 | $300k | 37k | 8.11 |
| 2020-12-31 | $245k | 38k | 6.45 |
| 2020-09-30 | $100k | 28k | 3.57 |
| 2020-06-30 | $228k | 50k | 4.61 |
| 2020-03-31 | $169k | 50k | 3.41 |
| 2019-12-31 | $314k | 62k | 5.11 |
| 2019-09-30 | $149k | 62k | 2.42 |
| 2019-06-30 | $155k | 72k | 2.17 |
| 2019-03-31 | $161k | 60k | 2.71 |
| 2018-12-31 | $329k | 69k | 4.80 |
| 2018-09-30 | $375k | 40k | 9.49 |
| 2018-06-30 | $384k | 40k | 9.72 |