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 2020 | $181,000 | -20.6% | 9,756 | 0.0% | 0.01% | -20.0% |
| Q2 2020 | $228,000 | +612.5% | 9,756 | +77.2% | 0.02% | +650.0% |
| Q1 2020 | $32,000 | +300.0% | 5,507 | +295.1% | 0.00% | – |
| Q4 2019 | $8,000 | +166.7% | 1,394 | -30.3% | 0.00% | – |
| Q3 2019 | $3,000 | +200.0% | 2,001 | +519.5% | 0.00% | – |
| Q2 2019 | $1,000 | -50.0% | 323 | +12.2% | 0.00% | – |
| Q1 2019 | $2,000 | – | 288 | +1209.1% | 0.00% | – |
| Q4 2017 | $0 | – | 22 | – | 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% |