MASSACHUSETTS FINANCIAL SERVICES CO /MA/ - MERSANA THERAPEUTICS INC ownership

MERSANA THERAPEUTICS INC's ticker is MRSN and the CUSIP is 59045L106. A total of 140 filers reported holding MERSANA THERAPEUTICS INC in Q3 2020. The put-call ratio across all filers is 0.38 and the average weighting 0.4%.

Quarter-by-quarter ownership
MASSACHUSETTS FINANCIAL SERVICES CO /MA/ ownership history of MERSANA THERAPEUTICS INC
ValueSharesWeighting
Q4 2020$791,000
-46.8%
29,724
-62.8%
0.00%
-100.0%
Q3 2020$1,487,00079,8660.00%
Other shareholders
MERSANA THERAPEUTICS INC shareholders Q3 2020
NameSharesValueWeighting ↓
RHO CAPITAL PARTNERS INC 796,458$4,564,0003.47%
NEA Management Company, LLC 11,963,649$68,552,0003.24%
Sarissa Capital Management LP 3,750,000$21,487,0001.78%
VHCP Management III, LLC 1,561,389$8,947,0001.78%
VHCP Management II, LLC 922,514$5,286,0001.39%
Ghost Tree Capital, LLC 800,000$4,584,0000.87%
BVF INC/IL 1,180,553$6,765,0000.51%
Sio Capital Management, LLC 166,250$953,0000.23%
Rock Springs Capital Management LP 1,233,000$7,065,0000.22%
DAFNA Capital Management LLC 108,463$621,0000.21%
View complete list of MERSANA THERAPEUTICS INC shareholders