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Mersana Therapeutics
MRSN

Overview Fund Activity

132 hedge funds and large institutions have $149M invested in Mersana Therapeutics in 2024 Q4 according to their latest regulatory filings, with 30 funds opening new positions, 33 increasing their positions, 40 reducing their positions, and 12 closing their positions.

Holders
132
Holders Change
+16
Holders Change %
+13.79%
% of All Funds
1.76%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
30
Increased
33
Reduced
40
Closed
12
Calls
$356K
Puts
$2.03M
Net Calls
-$1.67M
Net Calls Change
-$1.21M

Top Buyers

1
NHAS
1
Novo Holdings A/S
Denmark
$6.08M
2
BCM
2
Boxer Capital Management
California
$3.77M
3
CCM
3
Catalio Capital Management
New York
$2.44M
4
6CM
4
683 Capital Management
New York
$1.29M
5
SFM
5
Sphera Funds Management
Israel
$987K

Top Sellers

1
EC
1
EcoR1 Capital
California
$16.2M
2
Citadel Advisors
2
Citadel Advisors
Florida
$603K
3
BC
3
Boxer Capital
California
$0
4
SCM
4
Silverarc Capital Management
Massachusetts
$0
5
Goldman Sachs
5
Goldman Sachs
New York
$1.15M
Name Market Value Shares Shares
Change 		Shares
Change %
PNC Financial Services Group
126
PNC Financial Services Group
Pennsylvania
$286 200 – –
NSIM
127
North Star Investment Management
Illinois
$214 150 – –
FFA
128
Frazier Financial Advisors
Ohio
$8 5 – –
IA
129
IFP Advisors
Florida
$3 2 +2 New
FFA
130
Farther Finance Advisors
California
$1 1 – –
PAS
131
Point72 Asia (Singapore)
Singapore
$1 1 +1 New
BC
132
Boxer Capital
California
– – -1,817,000 Closed
SCM
133
Silverarc Capital Management
Massachusetts
– – -1,585,786 Closed
Balyasny Asset Management
134
Balyasny Asset Management
Illinois
– – -535,819 Closed
SPS
135
Susquehanna Portfolio Strategies
Pennsylvania
– – -82,713 Closed
Simplex Trading
136
Simplex Trading
Illinois
– – -72,844 Closed
Acadian Asset Management
137
Acadian Asset Management
Massachusetts
– – -24,394 Closed
DTL
138
Dynamic Technology Lab
Singapore
– – -18,095 Closed
CM
139
Caption Management
Oklahoma
– – -10,200 Closed
CFM
140
Catalyst Funds Management
Australia
– – -1,700 Closed
NA
141
Nordwand Advisors
Pennsylvania
– – -1,500 Closed
Jones Financial Companies
142
Jones Financial Companies
Missouri
– – -200 Closed
CPA
143
Capital Performance Advisors
California
– – -11 Closed
CFGS
144
Concourse Financial Group Securities
Alabama
– – – –
Carson Wealth (CWM LLC)
145
Carson Wealth (CWM LLC)
Nebraska
$0 180 +55 +44%
2 3 4 5
6