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 | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $119,000 | -35.3% | 29,837 | +0.8% | 0.00% | – |
| Q4 2021 | $184,000 | -42.0% | 29,586 | -11.9% | 0.00% | – |
| Q3 2021 | $317,000 | -35.2% | 33,572 | -6.7% | 0.00% | – |
| Q2 2021 | $489,000 | -24.1% | 35,986 | -9.6% | 0.00% | – |
| Q1 2021 | $644,000 | +5.9% | 39,801 | +74.2% | 0.00% | – |
| Q4 2020 | $608,000 | +64.3% | 22,850 | +15.1% | 0.00% | – |
| Q3 2020 | $370,000 | -20.6% | 19,860 | -0.3% | 0.00% | – |
| Q2 2020 | $466,000 | +448.2% | 19,915 | +36.3% | 0.00% | – |
| Q1 2020 | $85,000 | +11.8% | 14,611 | +9.5% | 0.00% | – |
| Q4 2019 | $76,000 | -17.4% | 13,348 | -77.1% | 0.00% | – |
| Q3 2019 | $92,000 | -81.5% | 58,237 | -52.6% | 0.00% | – |
| Q2 2019 | $498,000 | -19.4% | 122,873 | +4.6% | 0.00% | -100.0% |
| Q1 2019 | $618,000 | +30.9% | 117,514 | +1.7% | 0.00% | – |
| Q4 2018 | $472,000 | -26.9% | 115,574 | +78.8% | 0.00% | -100.0% |
| Q3 2018 | $646,000 | -17.9% | 64,626 | +46.6% | 0.00% | 0.0% |
| Q2 2018 | $787,000 | +42.6% | 44,088 | +26.0% | 0.00% | 0.0% |
| Q1 2018 | $552,000 | +42.6% | 34,984 | +48.5% | 0.00% | – |
| Q4 2017 | $387,000 | -4.9% | 23,555 | +0.2% | 0.00% | – |
| Q3 2017 | $407,000 | – | 23,516 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| RHO CAPITAL PARTNERS INC | 796,458 | $4,564,000 | 3.47% |
| NEA Management Company, LLC | 11,963,649 | $68,552,000 | 3.24% |
| Sarissa Capital Management LP | 3,750,000 | $21,487,000 | 1.78% |
| VHCP Management III, LLC | 1,561,389 | $8,947,000 | 1.78% |
| VHCP Management II, LLC | 922,514 | $5,286,000 | 1.39% |
| Ghost Tree Capital, LLC | 800,000 | $4,584,000 | 0.87% |
| BVF INC/IL | 1,180,553 | $6,765,000 | 0.51% |
| Sio Capital Management, LLC | 166,250 | $953,000 | 0.23% |
| Rock Springs Capital Management LP | 1,233,000 | $7,065,000 | 0.22% |
| DAFNA Capital Management LLC | 108,463 | $621,000 | 0.21% |