MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 137 filers reported holding MERSANA THERAPEUTICS INC in Q1 2021. The put-call ratio across all filers is 0.90 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q2 2023 | $2,478,357 | -44.8% | 753,300 | -31.1% | 0.04% | -48.8% |
| Q1 2023 | $4,490,997 | +858.0% | 1,092,700 | +1265.9% | 0.09% | +975.0% |
| Q4 2022 | $468,800 | -75.7% | 80,000 | -43.7% | 0.01% | -69.2% |
| Q2 2021 | $1,930,000 | -81.3% | 142,200 | -77.7% | 0.03% | -88.3% |
| Q1 2021 | $10,301,000 | +212.2% | 636,547 | +413.3% | 0.22% | +196.0% |
| Q4 2020 | $3,300,000 | – | 124,000 | – | 0.08% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| Sarissa Capital Management LP | 4,005,600 | $54,396,000 | 4.32% |
| Bain Capital Life Sciences Investors, LLC | 3,695,667 | $50,187,000 | 3.29% |
| COMMODORE CAPITAL LP | 429,228 | $5,829,000 | 2.03% |
| Ghost Tree Capital, LLC | 450,000 | $6,111,000 | 1.68% |
| Avoro Capital Advisors LLC | 6,800,000 | $92,344,000 | 1.61% |
| RHO CAPITAL PARTNERS INC | 796,458 | $10,816,000 | 0.99% |
| Rock Springs Capital Management LP | 2,845,618 | $38,643,000 | 0.76% |
| SILVERARC CAPITAL MANAGEMENT, LLC | 125,123 | $1,699,000 | 0.76% |
| HighVista Strategies LLC | 59,906 | $814,000 | 0.58% |
| Sio Capital Management, LLC | 157,259 | $2,136,000 | 0.53% |