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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 %
Wells Fargo
101
Wells Fargo
California
$29.2K 23,025 -79,878 -78%
VF
102
Virtu Financial
New York
$28K 21,785 +21,785 New
FRM
103
Fox Run Management
Connecticut
$27.7K 21,830 +21,830 New
ProShare Advisors
104
ProShare Advisors
Maryland
$27.4K 21,550 +1,099 +5%
Zurich Cantonal Bank
105
Zurich Cantonal Bank
Switzerland
$22.2K 17,459 – –
Point72 Asset Management
106
Point72 Asset Management
Connecticut
$21.6K 17,040 +13,563 +390%
GC
107
Grimes & Company
Massachusetts
$20.5K 16,136 +396 +3%
Royal Bank of Canada
108
Royal Bank of Canada
Ontario, Canada
$19K 14,930 +2,049 +16%
AB
109
Amalgamated Bank
New York
$16K 12,679 – –
TSS
110
Two Sigma Securities
New York
$15K 11,847 +11,847 New
Simplex Trading
111
Simplex Trading
Illinois
$14K 11,270 -54,580 -83%
VEA
112
Virtus ETF Advisers
New York
$13.2K 10,358 -1,028 -9%
State of Wisconsin Investment Board
113
State of Wisconsin Investment Board
Wisconsin
$13K 10,254 -59,770 -85%
BHCM
114
Brevan Howard Capital Management
Jersey
$13K 10,238 +10,238 New
EAM
115
Empirical Asset Management
Massachusetts
$12.7K 10,000 – –
AIP
116
Ameritas Investment Partners
Nebraska
$12.6K 9,896 +2,829 +40%
MLICM
117
Metropolitan Life Insurance Company (MetLife)
New York
$6.49K 5,106 – –
AF
118
Allworth Financial
California
$6.42K 5,055 – –
Osaic Holdings
119
Osaic Holdings
Arizona
$4.98K 3,927 +692 +21%
CUAMC
120
China Universal Asset Management Company
China
$3.93K 3,095 +1,596 +106%
Nisa Investment Advisors
121
Nisa Investment Advisors
Missouri
$3.87K 3,043 +221 +8%
SO
122
STRS Ohio
Ohio
$3K 2,500 – –
Citigroup
123
Citigroup
New York
$2.2K 1,735 -123,893 -99%
Federated Hermes
124
Federated Hermes
Pennsylvania
$1.77K 1,392 -139,253 -99%
Russell Investments Group
125
Russell Investments Group
United Kingdom
$1.12K 878 -98,886 -99%
3 4
5
6 7