HAP Trading, LLC - MERSANA THERAPEUTICS INC ownership

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
HAP Trading, LLC ownership history of MERSANA THERAPEUTICS INC
ValueSharesWeighting
Q2 2023$29,303
+6762.5%
390,300
-18.6%
0.01%
-92.4%
Q1 2023$427
-99.9%
479,563
+1339.9%
0.07%
+450.0%
Q4 2020$395,000
+1061.8%
33,305
-53.7%
0.01%
+500.0%
Q2 2020$34,00072,0000.00%
Other shareholders
MERSANA THERAPEUTICS INC shareholders Q1 2021
NameSharesValueWeighting ↓
Sarissa Capital Management LP 4,005,600$64,810,0006.21%
Bain Capital Life Sciences Investors, LLC 3,695,667$59,796,0003.39%
COMMODORE CAPITAL LP 429,228$6,945,0002.77%
ACUTA CAPITAL PARTNERS, LLC 357,689$5,787,0002.09%
Avoro Capital Advisors LLC 6,800,000$110,024,0001.90%
Ghost Tree Capital, LLC 450,000$7,281,0001.71%
RHO CAPITAL PARTNERS INC 796,458$12,887,0001.24%
Rock Springs Capital Management LP 2,775,127$44,902,0000.98%
Sio Capital Management, LLC 157,259$2,544,0000.52%
Bellevue Group AG 2,850,010$46,113,0000.49%
View complete list of MERSANA THERAPEUTICS INC shareholders