News + Filings Holdings
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Sarissa Capital Management LP
> MRSN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Mersana Therapeutics, Inc. | MRSN | 2,632,900 | -1,167,100 | 8,662,241,000 | -6,955,759,000 | $3,290.00 |
| 03/31/2023 | Mersana Therapeutics, Inc. | MRSN | 3,800,000 | -197,010 | 15,618,000,000 | -7,804,479,000 | $4,110.00 |
| 12/31/2022 | Mersana Therapeutics, Inc. | MRSN | 3,997,010 | 0 | 23,422,479,000 | 23,395,459,000 | $5,860.00 |
| 09/30/2022 | Mersana Therapeutics, Inc. | MRSN | 3,997,010 | -302,287 | 27,020,000 | 7,157,000 | $6.76 |
| 06/30/2022 | Mersana Therapeutics, Inc. | MRSN | 4,299,297 | 0 | 19,863,000 | 2,709,000 | $4.62 |
| 03/31/2022 | Mersana Therapeutics, Inc. | MRSN | 4,299,297 | 0 | 17,154,000 | -9,588,000 | $3.99 |
| 12/31/2021 | Mersana Therapeutics, Inc. | MRSN | 4,299,297 | 0 | 26,742,000 | -13,800,000 | $6.22 |
| 09/30/2021 | Mersana Therapeutics, Inc. | MRSN | 4,299,297 | 293,697 | 40,542,000 | -13,854,000 | $9.43 |
| 06/30/2021 | Mersana Therapeutics, Inc. | MRSN | 4,005,600 | 1,078,600 | 54,396,000 | -23,491,000 | $13.58 |
| 01/15/2021 | Mersana Therapeutics, Inc. | MRSN | 3,770,000 | 933,000 | 79,509,300 | 26,685,300 | $21.09 |
| 12/31/2020 | Mersana Therapeutics, Inc. | MRSN | 2,927,000 | 90,000 | 77,887,000 | 25,063,000 | $26.61 |
| 09/30/2020 | Mersana Therapeutics, Inc. | MRSN | 2,837,000 | 267,000 | 52,824,000 | -7,314,000 | $18.62 |
| 06/30/2020 | Mersana Therapeutics, Inc. | MRSN | 2,570,000 | -1,180,000 | 60,138,000 | 38,276,000 | $23.40 |
| 03/31/2020 | Mersana Therapeutics, Inc. | MRSN | 3,750,000 | 0 | 21,862,000 | 375,000 | $5.83 |
| 12/31/2019 | Mersana Therapeutics, Inc. | MRSN | 3,750,000 | 0 | 21,487,000 | 15,562,000 | $5.73 |
| 09/30/2019 | Mersana Therapeutics, Inc. | MRSN | 3,750,000 | 0 | 5,925,000 | -9,262,000 | $1.58 |
| 06/30/2019 | Mersana Therapeutics, Inc. | MRSN | 3,750,000 | 0 | 15,187,000 | -4,538,000 | $4.05 |
| 03/31/2019 | Mersana Therapeutics, Inc. | MRSN | 3,750,000 | 0 | 19,725,000 | 2,062,500 | $5.26 |
| 03/01/2019 | Mersana Therapeutics, Inc. | MRSN | 3,750,000 | 3,750,000 | 17,662,500 | 17,662,500 | $4.71 |
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