MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 159 filers reported holding MERSANA THERAPEUTICS INC in Q4 2020. The put-call ratio across all filers is 0.44 and the average weighting 0.9%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,204 | -99.5% | 1,735 | -98.6% | 0.00% | – |
| Q2 2023 | $413,316 | -79.9% | 125,628 | -74.8% | 0.00% | -100.0% |
| Q1 2023 | $2,052,008 | +28.0% | 499,272 | +82.6% | 0.00% | 0.0% |
| Q4 2022 | $1,602,546 | +20.1% | 273,472 | +38.6% | 0.00% | 0.0% |
| Q3 2022 | $1,334,000 | +2931.8% | 197,277 | +1955.2% | 0.00% | – |
| Q2 2022 | $44,000 | +76.0% | 9,599 | +51.0% | 0.00% | – |
| Q1 2022 | $25,000 | -98.2% | 6,358 | -97.2% | 0.00% | -100.0% |
| Q4 2021 | $1,412,000 | +32.1% | 227,032 | +100.3% | 0.00% | 0.0% |
| Q3 2021 | $1,069,000 | -57.6% | 113,351 | -38.9% | 0.00% | -50.0% |
| Q2 2021 | $2,519,000 | -32.3% | 185,464 | -19.4% | 0.00% | 0.0% |
| Q1 2021 | $3,723,000 | +957.7% | 230,101 | +1641.2% | 0.00% | – |
| Q4 2020 | $352,000 | +388.9% | 13,215 | +243.7% | 0.00% | – |
| Q3 2020 | $72,000 | -88.2% | 3,845 | -85.3% | 0.00% | – |
| Q2 2020 | $611,000 | +935.6% | 26,095 | +156.8% | 0.00% | – |
| Q1 2020 | $59,000 | +43.9% | 10,161 | +41.2% | 0.00% | – |
| Q4 2019 | $41,000 | +925.0% | 7,197 | +210.1% | 0.00% | – |
| Q3 2019 | $4,000 | -89.2% | 2,321 | -74.7% | 0.00% | – |
| Q2 2019 | $37,000 | +117.6% | 9,172 | +169.1% | 0.00% | – |
| Q1 2019 | $17,000 | +21.4% | 3,409 | +2.9% | 0.00% | – |
| Q4 2018 | $14,000 | -50.0% | 3,312 | +17.2% | 0.00% | – |
| Q3 2018 | $28,000 | +2700.0% | 2,827 | +4948.2% | 0.00% | – |
| Q1 2018 | $1,000 | -95.2% | 56 | -95.8% | 0.00% | – |
| Q4 2017 | $21,000 | -93.5% | 1,328 | -92.9% | 0.00% | – |
| Q3 2017 | $325,000 | – | 18,812 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 4,005,600 | $64,810,000 | 6.21% |
| Bain Capital Life Sciences Investors, LLC | 3,695,667 | $59,796,000 | 3.39% |
| COMMODORE CAPITAL LP | 429,228 | $6,945,000 | 2.77% |
| ACUTA CAPITAL PARTNERS, LLC | 357,689 | $5,787,000 | 2.09% |
| Avoro Capital Advisors LLC | 6,800,000 | $110,024,000 | 1.90% |
| Ghost Tree Capital, LLC | 450,000 | $7,281,000 | 1.71% |
| RHO CAPITAL PARTNERS INC | 796,458 | $12,887,000 | 1.24% |
| Rock Springs Capital Management LP | 2,775,127 | $44,902,000 | 0.98% |
| Sio Capital Management, LLC | 157,259 | $2,544,000 | 0.52% |
| Bellevue Group AG | 2,850,010 | $46,113,000 | 0.49% |