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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 %
Russell Investments Group
101
Russell Investments Group
United Kingdom
$16.9K 11,812 +1,047 +10%
Legal & General Group
102
Legal & General Group
United Kingdom
$15.9K 11,097 – –
Wolverine Trading
103
Wolverine Trading
Illinois
$15.4K 10,869 +10,869 New
Victory Capital Management
104
Victory Capital Management
Texas
$15.3K 10,707 -751 -7%
CWM
105
CIBC World Markets
New York
$15.2K 10,616 +10,616 New
AIP
106
Ameritas Investment Partners
Nebraska
$14.2K 9,896 – –
HPCM
107
Hunter Perkins Capital Management
Illinois
$14K 10,000 – –
TRCT
108
Tower Research Capital (TRC)
New York
$12.8K 8,959 +4,596 +105%
SO
109
STRS Ohio
Ohio
$12.4K 8,700 – –
Royal Bank of Canada
110
Royal Bank of Canada
Ontario, Canada
$12K 8,992 -2,463 -22%
California State Teachers Retirement System (CalSTRS)
111
California State Teachers Retirement System (CalSTRS)
California
$11.8K 8,220 – –
Mirae Asset Global Investments
112
Mirae Asset Global Investments
South Korea
$6.18K 4,117 +4,117 New
SAM
113
Smartleaf Asset Management
Massachusetts
$5.7K 4,013 -1,239 -24%
Nisa Investment Advisors
114
Nisa Investment Advisors
Missouri
$5.18K 3,622 +491 +16%
AB
115
Amalgamated Bank
New York
$5K 3,769 – –
Osaic Holdings
116
Osaic Holdings
Arizona
$4.91K 3,432 – –
PMAM
117
Picton Mahoney Asset Management
Ontario, Canada
$4K 2,871 +377 +15%
GFM
118
GF Fund Management
China
$3.71K 2,594 +2,594 New
BIG
119
Brooklyn Investment Group
New York
$3.6K 2,517 +2,517 New
PD
120
Point72 (DIFC)
United Arab Emirates
$3.15K 2,203 +2,203 New
SCM
121
Sterling Capital Management
North Carolina
$2.72K 1,900 +1,666 +712%
RS
122
R Squared
Hong Kong
$1.52K 1,060 +1,060 New
Optiver Holding
123
Optiver Holding
Netherlands
$1.01K 705 +705 New
S
124
SignatureFD
Georgia
$409 286 +286 New
SS
125
SBI Securities
Japan
$312 218 +218 New
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5
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