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Mersana Therapeutics
MRSN

Overview Fund Activity

128 hedge funds and large institutions have $144M invested in Mersana Therapeutics in 2023 Q3 according to their latest regulatory filings, with 26 funds opening new positions, 35 increasing their positions, 43 reducing their positions, and 45 closing their positions.

Holders
128
Holders Change
-19
Holders Change %
-12.93%
% of All Funds
2.04%
Holding in Top 10
1
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.02%
New
26
Increased
35
Reduced
43
Closed
45
Calls
$1.57M
Puts
$76K
Net Calls
+$1.49M
Net Calls Change
-$14.3M

Top Buyers

1
EC
1
EcoR1 Capital
California
$24.6M
2
VA
2
VR Adviser
New York
$14.4M
3
SCM
3
Silverarc Capital Management
Massachusetts
$6.35M
4
AAA
4
Affinity Asset Advisors
New York
$3.62M
5
PCM
5
Philosophy Capital Management
California
$2.98M

Top Sellers

1
O
1
OrbiMed
New York
$0
2
ACA
2
Avoro Capital Advisors
New York
$0
3
APM
3
Avidity Partners Management
Texas
$0
4
AG
4
Artal Group
Luxembourg
$0
5
DM
5
Deerfield Management
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
CM
151
Caption Management
Oklahoma
– – -181,000 Closed
Nomura Holdings
152
Nomura Holdings
Japan
– – -148,979 Closed
Skandinaviska Enskilda Banken (SEB)
153
Skandinaviska Enskilda Banken (SEB)
Sweden
– – -93,132 Closed
PA
154
Profund Advisors
Maryland
– – -61,786 Closed
Thrivent Financial for Lutherans
155
Thrivent Financial for Lutherans
Minnesota
– – -58,073 Closed
Mirae Asset Global Investments
156
Mirae Asset Global Investments
South Korea
– – -57,099 Closed
JFG
157
Jefferies Financial Group
New York
– – -39,975 Closed
CC
158
Corton Capital
Ontario, Canada
– – -32,937 Closed
State Board of Administration of Florida Retirement System
159
State Board of Administration of Florida Retirement System
Florida
– – -28,482 Closed
JF
160
Jump Financial
Illinois
– – -22,392 Closed
EFM
161
E Fund Management
China
– – -18,105 Closed
DU
162
Delphia (USA)
Ontario, Canada
– – -16,992 Closed
MFS
163
Mirabella Financial Services
United Kingdom
– – -14,472 Closed
TAM
164
Tocqueville Asset Management
New York
– – -13,000 Closed
DTL
165
Dynamic Technology Lab
Singapore
– – -12,869 Closed
MAM
166
Martingale Asset Management
Massachusetts
– – -12,114 Closed
Belvedere Trading
167
Belvedere Trading
Illinois
– – -8,081 Closed
PI
168
PEAK6 Investments
Illinois
– – -5,000 Closed
Allspring Global Investments
169
Allspring Global Investments
North Carolina
– – -4,681 Closed
NA
170
NewEdge Advisors
Louisiana
– – -500 Closed
S
171
SignatureFD
Georgia
– – -369 Closed
PA
172
Parallel Advisors
California
– – -78 Closed
US Bancorp
173
US Bancorp
Minnesota
– – -53 Closed
LP
174
LMR Partners
United Kingdom
– – – –
CFGS
175
Concourse Financial Group Securities
Alabama
– – – –
4 5 6
7
8