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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 %
BC
126
BIT Capital
Germany
$69.6K 16,931 +16,931 New
PMEF
127
Point72 Middle East FZE
United Arab Emirates
$65.7K 15,976 +6,410 +67%
NRD
128
Nebula Research & Development
New York
$64.5K 15,702 +15,702 New
GC
129
Grimes & Company
Massachusetts
$64.1K 15,606 +339 +2%
VEA
130
Virtus ETF Advisers
New York
$58.2K 14,172 -5,446 -28%
Zurich Cantonal Bank
131
Zurich Cantonal Bank
Switzerland
$50.3K 12,247 – –
Squarepoint
132
Squarepoint
New York
$50.3K 12,236 -85,320 -87%
MAM
133
Martingale Asset Management
Massachusetts
$49.8K 12,110 – –
PAMS
134
Pictet Asset Management (Switzerland)
Switzerland
$47.2K 11,490 – –
Lazard Asset Management
135
Lazard Asset Management
New York
$44K 10,821 +10,821 New
SFM
136
Sphera Funds Management
Israel
$43.7K 10,621 +10,621 New
EAM
137
Empirical Asset Management
Massachusetts
$41.1K 10,000 – –
Wolverine Trading
138
Wolverine Trading
Illinois
$41K 10,259 +10,259 New
AB
139
Amalgamated Bank
New York
$39K 9,391 -2,425 -21%
AIP
140
Ameritas Investment Partners
Nebraska
$29K 7,067 – –
Royal Bank of Canada
141
Royal Bank of Canada
Ontario, Canada
$21K 5,224 -7,941 -60%
MLICM
142
Metropolitan Life Insurance Company (MetLife)
New York
$16K 3,884 -2,624 -40%
Osaic Holdings
143
Osaic Holdings
Arizona
$13.3K 3,235 – –
SO
144
STRS Ohio
Ohio
$10K 2,500 – –
Group One Trading
145
Group One Trading
Illinois
$8.63K 2,099 +2,099 New
Allspring Global Investments
146
Allspring Global Investments
North Carolina
$7.52K 1,830 +1,676 +1,088%
CUAMC
147
China Universal Asset Management Company
China
$6.01K 1,463 +449 +44%
Ohio Public Employees Retirement System (OPERS)
148
Ohio Public Employees Retirement System (OPERS)
Ohio
$5K 1,175 -17,000 -94%
TWA
149
TCI Wealth Advisors
Arizona
$4.05K 986 +986 New
CG
150
Cutler Group
California
$4K 1,200 – –
4 5
6
7 8