MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 157 filers reported holding MERSANA THERAPEUTICS INC in Q1 2023. The put-call ratio across all filers is 0.08 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $13,023 | -94.3% | 10,254 | -85.4% | 0.00% | -100.0% |
| Q2 2023 | $230,379 | -23.9% | 70,024 | -4.9% | 0.00% | 0.0% |
| Q1 2023 | $302,652 | -29.2% | 73,638 | +1.0% | 0.00% | 0.0% |
| Q4 2022 | $427,182 | -54.1% | 72,898 | -47.1% | 0.00% | -66.7% |
| Q3 2022 | $931,000 | -16.3% | 137,770 | -42.8% | 0.00% | 0.0% |
| Q2 2022 | $1,112,000 | +42.7% | 240,729 | +23.3% | 0.00% | +50.0% |
| Q1 2022 | $779,000 | +75.1% | 195,300 | +172.8% | 0.00% | +100.0% |
| Q4 2021 | $445,000 | -34.1% | 71,600 | 0.0% | 0.00% | 0.0% |
| Q3 2021 | $675,000 | -37.6% | 71,600 | -10.2% | 0.00% | -50.0% |
| Q2 2021 | $1,082,000 | -26.5% | 79,700 | -12.4% | 0.00% | -33.3% |
| Q1 2021 | $1,472,000 | -36.3% | 91,000 | +4.7% | 0.00% | -40.0% |
| Q4 2020 | $2,312,000 | +36.2% | 86,900 | -4.7% | 0.01% | +25.0% |
| Q3 2020 | $1,698,000 | -6.4% | 91,200 | +17.7% | 0.00% | -20.0% |
| Q2 2020 | $1,814,000 | +433.5% | 77,500 | +32.9% | 0.01% | +400.0% |
| Q1 2020 | $340,000 | +282.0% | 58,300 | +242.9% | 0.00% | – |
| Q1 2019 | $89,000 | +67.9% | 17,000 | +30.8% | 0.00% | – |
| Q4 2018 | $53,000 | – | 13,000 | – | 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% |