MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 124 filers reported holding MERSANA THERAPEUTICS INC in Q4 2021. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $111 | -71.8% | 87,113 | -27.0% | 0.00% | – |
| Q2 2023 | $394 | -21.2% | 119,345 | -1.7% | 0.00% | – |
| Q1 2023 | $500 | -29.3% | 121,377 | +0.7% | 0.00% | – |
| Q4 2022 | $707 | -99.9% | 120,519 | +7.6% | 0.00% | – |
| Q3 2022 | $758,000 | +17.3% | 112,039 | -19.9% | 0.00% | – |
| Q2 2022 | $646,000 | +17.2% | 139,819 | +1.3% | 0.00% | – |
| Q1 2022 | $551,000 | -22.6% | 138,034 | +20.6% | 0.00% | – |
| Q4 2021 | $712,000 | -92.3% | 114,447 | -88.3% | 0.00% | -100.0% |
| Q3 2021 | $9,250,000 | -70.6% | 980,896 | -57.7% | 0.00% | -66.7% |
| Q2 2021 | $31,475,000 | -34.6% | 2,317,747 | -22.1% | 0.00% | -40.0% |
| Q1 2021 | $48,121,000 | -45.3% | 2,974,087 | -10.0% | 0.01% | -44.4% |
| Q4 2020 | $87,929,000 | +158.2% | 3,304,346 | +80.7% | 0.01% | +125.0% |
| Q3 2020 | $34,049,000 | +95.3% | 1,828,619 | +145.4% | 0.00% | +100.0% |
| Q2 2020 | $17,438,000 | – | 745,220 | – | 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% |