MRSN icon

Mersana Therapeutics
MRSN

Overview Fund Activity

131 hedge funds and large institutions have $955M invested in Mersana Therapeutics in 2021 Q2 according to their latest regulatory filings, with 18 funds opening new positions, 51 increasing their positions, 40 reducing their positions, and 19 closing their positions.

Holders
131
Holders Change
-1
Holders Change %
-0.76%
% of All Funds
2.29%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
18
Increased
51
Reduced
40
Closed
19
Calls
$37K
Puts
$3.75M
Net Calls
-$3.71M
Net Calls Change
-$3.34M

Top Buyers

1
Assenagon Asset Management
1
Assenagon Asset Management
Luxembourg
$14.1M
2
O
2
OrbiMed
New York
$38M
3
CS
3
Candriam SCA
Luxembourg
$26.8M
4
BlackRock
4
BlackRock
New York
$120M
5
CIBC Asset Management
5
CIBC Asset Management
Ontario, Canada
$14.4M

Top Sellers

1
Point72 Asset Management
1
Point72 Asset Management
Connecticut
$365K
2
PI
2
Putnam Investments
Massachusetts
$0
3
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$31.5M
4
Goldman Sachs
4
Goldman Sachs
New York
$7.84M
5
State Street
5
State Street
Massachusetts
$44.1M
Name Market Value Shares Shares
Change 		Shares
Change %
Daiwa Securities Group
126
Daiwa Securities Group
Japan
$2K 129 – –
SCM
127
Silverarc Capital Management
Massachusetts
$1.7K 125,123 +100,123 +400%
Wells Fargo
128
Wells Fargo
California
$1K 52 -21,295 -100%
Walleye Capital
129
Walleye Capital
New York
$527 38,815 +38,815 New
AIG
130
American International Group
New York
$524 38,588 +7,563 +24%
Nisa Investment Advisors
131
Nisa Investment Advisors
Missouri
$50 3,660 -5,850 -62%
PI
132
Putnam Investments
Massachusetts
– – -720,800 Closed
ACP
133
Acuta Capital Partners
California
– – -357,689 Closed
MWNA
134
Marshall Wace North America
New York
– – -215,391 Closed
Teacher Retirement System of Texas
135
Teacher Retirement System of Texas
Texas
– – -122,938 Closed
California Public Employees Retirement System
136
California Public Employees Retirement System
California
– – -108,200 Closed
First Trust Advisors
137
First Trust Advisors
Illinois
– – -59,685 Closed
HF
138
HRT Financial
New York
– – -31,899 Closed
OMC
139
Old Mission Capital
Illinois
– – -25,761 Closed
JF
140
Jump Financial
Illinois
– – -25,332 Closed
Balyasny Asset Management
141
Balyasny Asset Management
Illinois
– – -19,636 Closed
Victory Capital Management
142
Victory Capital Management
Texas
– – -18,877 Closed
E
143
Ergoteles
New York
– – -13,600 Closed
QSS
144
Quantitative Systematic Strategies
Florida
– – -13,169 Closed
SG Americas Securities
145
SG Americas Securities
New York
– – -12,496 Closed
AGM
146
Alpine Global Management
New York
– – -10,658 Closed
Group One Trading
147
Group One Trading
Illinois
– – -8,870 Closed
Pacer Advisors
148
Pacer Advisors
Pennsylvania
– – -4,328 Closed
Bank of Montreal
149
Bank of Montreal
Ontario, Canada
– – -1,511 Closed
TWA
150
TCI Wealth Advisors
Arizona
– – -106 Closed
3 4 5
6
7