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 | $3,865 | -58.4% | 3,043 | +7.8% | 0.00% | – |
| Q2 2023 | $9,284 | +309366.7% | 2,822 | +362.6% | 0.00% | – |
| Q1 2023 | $3 | -25.0% | 610 | 0.0% | 0.00% | – |
| Q4 2022 | $4 | -99.9% | 610 | -11.8% | 0.00% | – |
| Q3 2022 | $5,000 | +66.7% | 692 | +13.4% | 0.00% | – |
| Q2 2022 | $3,000 | -98.5% | 610 | -98.7% | 0.00% | -100.0% |
| Q1 2022 | $194,000 | +6366.7% | 48,710 | +7885.2% | 0.00% | – |
| Q4 2021 | $3,000 | -50.0% | 610 | 0.0% | 0.00% | – |
| Q3 2021 | $6,000 | -88.0% | 610 | -83.3% | 0.00% | – |
| Q2 2021 | $50,000 | -67.5% | 3,660 | -61.5% | 0.00% | -100.0% |
| Q1 2021 | $154,000 | -78.2% | 9,510 | -64.3% | 0.00% | -80.0% |
| Q4 2020 | $708,000 | +420.6% | 26,610 | +264.0% | 0.01% | +400.0% |
| Q3 2020 | $136,000 | -20.5% | 7,310 | 0.0% | 0.00% | -50.0% |
| Q2 2020 | $171,000 | – | 7,310 | – | 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% |