North Star Investment Management Corp. - MERSANA THERAPEUTICS INC ownership

MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 129 filers reported holding MERSANA THERAPEUTICS INC in Q1 2022. The put-call ratio across all filers is 4.48 and the average weighting 0.1%.

Quarter-by-quarter ownership
North Star Investment Management Corp. ownership history of MERSANA THERAPEUTICS INC
ValueSharesWeighting
Q3 2023$190
-61.5%
1500.0%0.00%
Q2 2023$494
-19.8%
1500.0%0.00%
Q1 2023$616
-29.9%
1500.0%0.00%
Q4 2022$879
-12.1%
1500.0%0.00%
Q3 2022$1,0000.0%1500.0%0.00%
Q2 2022$1,0000.0%1500.0%0.00%
Q1 2022$1,0000.0%1500.0%0.00%
Q4 2021$1,0000.0%1500.0%0.00%
Q3 2021$1,0001500.00%
Other shareholders
MERSANA THERAPEUTICS INC shareholders Q1 2022
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