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Mersana Therapeutics
MRSN

Overview Fund Activity

110 hedge funds and large institutions have $647M invested in Mersana Therapeutics in 2021 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 45 increasing their positions, 34 reducing their positions, and 32 closing their positions.

Holders
110
Holders Change
-21
Holders Change %
-16.03%
% of All Funds
1.93%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.04%
New
12
Increased
45
Reduced
34
Closed
32
Calls
$1.22M
Puts
$1.57M
Net Calls
-$350K
Net Calls Change
+$3.36M

Top Buyers

1
PAMS
1
Pictet Asset Management (Switzerland)
Switzerland
$21.1M
2
BG
2
Bellevue Group
Switzerland
$40.2M
3
State Street
3
State Street
Massachusetts
$38.6M
4
Goldman Sachs
4
Goldman Sachs
New York
$10.8M
5
Morgan Stanley
5
Morgan Stanley
New York
$6.3M

Top Sellers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$0
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$9.25M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$56.7M
4
GTC
4
Ghost Tree Capital
New York
$0
5
CC
5
Commodore Capital
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Skandinaviska Enskilda Banken (SEB)
126
Skandinaviska Enskilda Banken (SEB)
Sweden
– – -30,304 Closed
CAC
127
Cowen and Company
New York
– – -29,397 Closed
Point72 Asset Management
128
Point72 Asset Management
Connecticut
– – -26,900 Closed
SSA
129
Schonfeld Strategic Advisors
New York
– – -22,500 Closed
TC
130
TwinBeech Capital
New York
– – -21,570 Closed
ECM
131
ExodusPoint Capital Management
New York
– – -21,147 Closed
CSS
132
Cubist Systematic Strategies
Connecticut
– – -20,228 Closed
DTL
133
Dynamic Technology Lab
Singapore
– – -19,821 Closed
QT
134
Quantbot Technologies
New York
– – -16,200 Closed
XT
135
XTX Topco
Cayman Islands
– – -14,541 Closed
AWM
136
Avior Wealth Management
Nebraska
– – -11,247 Closed
BC
137
Bridgefront Capital
Texas
– – -11,236 Closed
Tudor Investment Corp
138
Tudor Investment Corp
Connecticut
– – -10,449 Closed
PHK
139
Point72 Hong Kong
Hong Kong
– – -8,853 Closed
DFCM
140
Dark Forest Capital Management
Puerto Rico
– – -607 Closed
PAM
141
Panagora Asset Management
Massachusetts
– – -231 Closed
Nomura Asset Management
142
Nomura Asset Management
Japan
– – – –
CFGS
143
Concourse Financial Group Securities
Alabama
– – – –
Parallax Volatility Advisers
144
Parallax Volatility Advisers
California
– – – –
IA
145
IFP Advisors
Florida
– – – –
EI
146
Ellevest Inc
New York
$0 8 +8 New
2 3 4 5
6