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PLATINUM INVESTMENT MANAGEMENT LTD
> MRSN
| Date | Name | Ticker | Shares | Change | Value | Change | Price |
| 06/30/2023 | Mersana Therapeutics, Inc. | MRSN | 0 | -290,298 | 0 | -1,962,000 | |
| 09/30/2022 | Mersana Therapeutics, Inc. | MRSN | 290,298 | -205,183 | 1,962,000 | -327,000 | $6.76 |
| 06/30/2022 | Mersana Therapeutics, Inc. | MRSN | 495,481 | 0 | 2,289,000 | 312,000 | $4.62 |
| 03/31/2022 | Mersana Therapeutics, Inc. | MRSN | 495,481 | 0 | 1,977,000 | -1,105,000 | $3.99 |
| 12/31/2021 | Mersana Therapeutics, Inc. | MRSN | 495,481 | 384,575 | 3,082,000 | 2,036,000 | $6.22 |
| 09/30/2021 | Mersana Therapeutics, Inc. | MRSN | 110,906 | 0 | 1,046,000 | -460,000 | $9.43 |
| 06/30/2021 | Mersana Therapeutics, Inc. | MRSN | 110,906 | 0 | 1,506,000 | -288,000 | $13.58 |
| 03/31/2021 | Mersana Therapeutics, Inc. | MRSN | 110,906 | 0 | 1,794,000 | -1,157,000 | $16.18 |
| 12/31/2020 | Mersana Therapeutics, Inc. | MRSN | 110,906 | 0 | 2,951,000 | 886,000 | $26.61 |
| 09/30/2020 | Mersana Therapeutics, Inc. | MRSN | 110,906 | 0 | 2,065,000 | -530,000 | $18.62 |
| 06/30/2020 | Mersana Therapeutics, Inc. | MRSN | 110,906 | 110,906 | 2,595,000 | 2,595,000 | $23.40 |
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