Baker Brothers Advisors - MERSANA THERAPEUTICS INC ownership

MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 157 filers reported holding MERSANA THERAPEUTICS INC in Q1 2023. The put-call ratio across all filers is 0.08 and the average weighting 0.1%.

Quarter-by-quarter ownership
Baker Brothers Advisors ownership history of MERSANA THERAPEUTICS INC
ValueSharesWeighting
Q3 2023$1,379,366
-61.4%
1,086,1150.0%0.01%
-61.9%
Q2 2023$3,573,318
-53.9%
1,086,115
-42.4%
0.02%
-50.0%
Q1 2023$7,751,9331,886,1150.04%
Other shareholders
MERSANA THERAPEUTICS INC shareholders Q1 2023
NameSharesValueWeighting ↓
NEA Management Company, LLC 11,963,649$18,903,0001.56%
RHO CAPITAL PARTNERS INC 796,458$1,258,0001.05%
Sarissa Capital Management LP 3,750,000$5,925,0000.74%
BVF INC/IL 4,041,888$6,386,0000.67%
DAFNA Capital Management LLC 501,736$793,0000.30%
Boxer Capital, LLC 1,680,800$2,656,0000.19%
Rock Springs Capital Management LP 1,400,000$2,212,0000.09%
Orbimed Advisors 1,891,119$2,988,0000.06%
SPHERA FUNDS MANAGEMENT LTD. 200,000$316,0000.05%
ALGERT GLOBAL LLC 38,731$61,0000.02%
View complete list of MERSANA THERAPEUTICS INC shareholders