MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 140 filers reported holding MERSANA THERAPEUTICS INC in Q3 2020. The put-call ratio across all filers is 0.38 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $1,751,000 | -45.7% | 108,200 | -10.7% | 0.00% | -50.0% |
| Q4 2020 | $3,223,000 | +40.3% | 121,117 | -1.9% | 0.00% | 0.0% |
| Q3 2020 | $2,298,000 | -4.4% | 123,417 | +20.2% | 0.00% | 0.0% |
| Q2 2020 | $2,403,000 | +1502.0% | 102,703 | +299.6% | 0.00% | – |
| Q1 2020 | $150,000 | +2.0% | 25,700 | 0.0% | 0.00% | – |
| Q4 2019 | $147,000 | – | 25,700 | – | 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% |