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 ↓ |
|---|---|---|---|
| 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% |