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Rhenman & Partners Asset Management AB
> IMGN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | ImmunoGen, Inc. | IMGN | 750,000 | -350,000 | 14,152,500,000 | 14,145,966,000 | $18,870.00 |
| 09/30/2022 | ImmunoGen, Inc. | IMGN | 1,100,000 | -100,000 | 6,534,000 | 1,134,000 | $5.94 |
| 06/30/2022 | ImmunoGen, Inc. | IMGN | 1,200,000 | -225,000 | 5,400,000 | -1,383,000 | $4.50 |
| 03/31/2022 | ImmunoGen, Inc. | IMGN | 1,425,000 | -75,000 | 6,783,000 | -4,392,000 | $4.76 |
| 12/31/2021 | ImmunoGen, Inc. | IMGN | 1,500,000 | 281,150 | 11,175,000 | 4,264,000 | $7.45 |
| 09/30/2021 | ImmunoGen, Inc. | IMGN | 1,218,850 | 0 | 6,911,000 | -1,121,000 | $5.67 |
| 06/30/2021 | ImmunoGen, Inc. | IMGN | 1,218,850 | 1,218,850 | 8,032,000 | 8,032,000 | $6.59 |
| 12/31/2014 | ImmunoGen, Inc. | IMGN | 0 | -180,000 | 0 | -1,906,000 | |
| 09/30/2014 | ImmunoGen, Inc. | IMGN | 180,000 | 81,298 | 1,906,000 | 736,000 | $10.59 |
| 06/30/2014 | ImmunoGen, Inc. | IMGN | 98,702 | -1,298 | 1,170,000 | -297,000 | $11.85 |
| 03/31/2014 | ImmunoGen, Inc. | IMGN | 73,702 | -26,298 | 1,100,000 | -367,000 | $14.92 |
| 12/31/2013 | ImmunoGen, Inc. | IMGN | 100,000 | 100,000 | 1,467,000 | 1,467,000 | $14.67 |
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