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Mersana Therapeutics
MRSN

Overview Fund Activity

157 hedge funds and large institutions have $437M invested in Mersana Therapeutics in 2023 Q1 according to their latest regulatory filings, with 26 funds opening new positions, 51 increasing their positions, 44 reducing their positions, and 20 closing their positions.

Holders
157
Holders Change
+5
Holders Change %
+3.29%
% of All Funds
2.51%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.05%
New
26
Increased
51
Reduced
44
Closed
20
Calls
$8.89M
Puts
$662K
Net Calls
+$8.23M
Net Calls Change
+$8.18M

Top Buyers

1
APM
1
Avidity Partners Management
Texas
$14.1M
2
BBA
2
Baker Bros. Advisors
New York
$7.75M
3
B
3
Braidwell
Connecticut
$13.8M
4
5VM
4
5AM Venture Management
California
$4.87M
5
Goldman Sachs
5
Goldman Sachs
New York
$12.1M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$5.18M
2
ACP
2
Acuta Capital Partners
California
$247K
3
WP
3
Woodline Partners
California
$0
4
LP
4
LMR Partners
United Kingdom
$0
5
OM
5
Opaleye Management
Massachusetts
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Legal & General Group
101
Legal & General Group
United Kingdom
$150K 36,450 +1,261 +4%
Manulife (Manufacturers Life Insurance)
102
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$146K 35,597 – –
AQR Capital Management
103
AQR Capital Management
Connecticut
$139K 33,902 -101,299 -75%
Invesco
104
Invesco
Georgia
$135K 32,811 -462 -1%
AG
105
Algert Global
California
$129K 31,346 -27,312 -47%
Janus Henderson Group
106
Janus Henderson Group
United Kingdom
$126K 30,656 +19,315 +170%
CC
107
Corton Capital
Ontario, Canada
$124K 30,063 -5,893 -16%
SEI Investments
108
SEI Investments
Pennsylvania
$119K 28,977 +28,977 New
EFM
109
E Fund Management
China
$113K 27,578 +5,734 +26%
State Board of Administration of Florida Retirement System
110
State Board of Administration of Florida Retirement System
Florida
$113K 27,402 – –
Principal Financial Group
111
Principal Financial Group
Iowa
$105K 25,462 +3,595 +16%
Man Group
112
Man Group
United Kingdom
– – -15,963 Closed
BCM
113
Bayesian Capital Management
New York
$102K 24,800 +24,800 New
Teacher Retirement System of Texas
114
Teacher Retirement System of Texas
Texas
$101K 24,589 +977 +4%
DU
115
Delphia (USA)
Ontario, Canada
$100K 24,365 -8,672 -26%
PWLP
116
Prio Wealth Limited Partnership
Massachusetts
$96.7K 23,529 – –
TRCT
117
Tower Research Capital (TRC)
New York
$96K 23,450 -13,248 -36%
ASRS
118
Arizona State Retirement System
Arizona
$95.1K 23,128 +1,193 +5%
JRP
119
Jasper Ridge Partners
California
$94.9K 23,100 – –
Walleye Trading
120
Walleye Trading
New York
$88K 21,415 +21,415 New
ACM
121
Aquatic Capital Management
Illinois
$88K 21,500 +21,500 New
Bank of Montreal
122
Bank of Montreal
Ontario, Canada
$85.6K 20,501 +3,797 +23%
DTL
123
Dynamic Technology Lab
Singapore
$76K 18,437 -6,096 -25%
Russell Investments Group
124
Russell Investments Group
United Kingdom
$75.6K 18,397 -5,012 -21%
ProShare Advisors
125
ProShare Advisors
Maryland
$75.6K 18,382 -1,779 -9%
3 4
5
6 7