News + Filings Holdings
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Ghost Tree Capital, LLC
> MRSN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Mersana Therapeutics, Inc. | MRSN | 61,250 | 61,250 | 201,513,000 | 201,513,000 | $3,290.01 |
| 09/30/2021 | Mersana Therapeutics, Inc. | MRSN | 0 | -450,000 | 0 | -6,111,000 | |
| 06/30/2021 | Mersana Therapeutics, Inc. | MRSN | 450,000 | -150,000 | 6,111,000 | -9,855,000 | $13.58 |
| 03/31/2021 | Mersana Therapeutics, Inc. | MRSN | 450,000 | -150,000 | 7,281,000 | -8,685,000 | $16.18 |
| 12/31/2020 | Mersana Therapeutics, Inc. | MRSN | 600,000 | -450,000 | 15,966,000 | -3,585,000 | $26.61 |
| 09/30/2020 | Mersana Therapeutics, Inc. | MRSN | 1,050,000 | 425,000 | 19,551,000 | 4,926,000 | $18.62 |
| 06/30/2020 | Mersana Therapeutics, Inc. | MRSN | 625,000 | -1,375,000 | 14,625,000 | 2,965,000 | $23.40 |
| 03/31/2020 | Mersana Therapeutics, Inc. | MRSN | 2,000,000 | 1,200,000 | 11,660,000 | 7,076,000 | $5.83 |
| 12/31/2019 | Mersana Therapeutics, Inc. | MRSN | 800,000 | 800,000 | 4,584,000 | 4,584,000 | $5.73 |
| 09/30/2018 | Mersana Therapeutics, Inc. | MRSN | 0 | -600,000 | 0 | -10,716,000 | |
| 06/30/2018 | Mersana Therapeutics, Inc. | MRSN | 600,000 | 321,756 | 10,716,000 | 6,328,000 | $17.86 |
| 03/31/2018 | Mersana Therapeutics, Inc. | MRSN | 278,244 | 278,244 | 4,388,000 | 4,388,000 | $15.77 |
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