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Mersana Therapeutics
MRSN

Overview Fund Activity

116 hedge funds and large institutions have $219M invested in Mersana Therapeutics in 2024 Q3 according to their latest regulatory filings, with 12 funds opening new positions, 39 increasing their positions, 33 reducing their positions, and 17 closing their positions.

Holders
116
Holders Change
-6
Holders Change %
-4.92%
% of All Funds
1.68%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.01%
New
12
Increased
39
Reduced
33
Closed
17
Calls
$770K
Puts
$1.23M
Net Calls
-$460K
Net Calls Change
-$704K

Top Buyers

1
NI
1
Nextech Invest
Switzerland
$22.8M
2
BC
2
Boxer Capital
California
$3.43M
3
Citadel Advisors
3
Citadel Advisors
Florida
$8.34M
4
Verition Fund Management
4
Verition Fund Management
Connecticut
$2.46M
5
EAM
5
Exome Asset Management
New York
$2.23M

Top Sellers

1
CAM
1
Cormorant Asset Management
Massachusetts
$0
2
WP
2
Woodline Partners
California
$819K
3
Renaissance Technologies
3
Renaissance Technologies
New York
$931K
4
SCM
4
Silverarc Capital Management
Massachusetts
$3M
5
Morgan Stanley
5
Morgan Stanley
New York
$2.58M
Name Market Value Shares Shares
Change 		Shares
Change %
SAM
101
Smartleaf Asset Management
Massachusetts
$9.72K 5,252 +3,341 +175%
TRCT
102
Tower Research Capital (TRC)
New York
$8.25K 4,363 -36,397 -89%
AB
103
Amalgamated Bank
New York
$7K 3,769 – –
Osaic Holdings
104
Osaic Holdings
Arizona
$6.49K 3,432 -44 -1%
Nisa Investment Advisors
105
Nisa Investment Advisors
Missouri
$5.92K 3,131 -14,669 -82%
PMAM
106
Picton Mahoney Asset Management
Ontario, Canada
$4K 2,494 +1,824 +272%
CFM
107
Catalyst Funds Management
Australia
$3.21K 1,700 – –
NA
108
Nordwand Advisors
Pennsylvania
$2.84K 1,500 – –
SCM
109
Sterling Capital Management
North Carolina
$442 234 +234 New
PNC Financial Services Group
110
PNC Financial Services Group
Pennsylvania
$378 200 – –
Jones Financial Companies
111
Jones Financial Companies
Missouri
$370 200 +200 New
NSIM
112
North Star Investment Management
Illinois
$284 150 – –
CPA
113
Capital Performance Advisors
California
$21 11 +11 New
FFA
114
Frazier Financial Advisors
Ohio
$10 5 – –
FFA
115
Farther Finance Advisors
California
$2 1 – –
CAM
116
Cormorant Asset Management
Massachusetts
– – -2,600,000 Closed
AAA
117
Affinity Asset Advisors
New York
– – -767,000 Closed
BCM
118
Bridgeway Capital Management
Texas
– – -475,500 Closed
HF
119
HRT Financial
New York
– – -259,689 Closed
Marshall Wace
120
Marshall Wace
United Kingdom
– – -176,029 Closed
SCM
121
Superstring Capital Management
New York
– – -110,073 Closed
ECM
122
ExodusPoint Capital Management
New York
– – -107,174 Closed
State of Wisconsin Investment Board
123
State of Wisconsin Investment Board
Wisconsin
– – -83,600 Closed
JF
124
Jump Financial
Illinois
– – -80,562 Closed
AIM
125
Aigen Investment Management
New York
– – -50,083 Closed
2 3 4
5
6