MRSN icon

Mersana Therapeutics
MRSN

Overview Fund Activity

147 hedge funds and large institutions have $370M invested in Mersana Therapeutics in 2023 Q2 according to their latest regulatory filings, with 33 funds opening new positions, 56 increasing their positions, 41 reducing their positions, and 43 closing their positions.

Holders
147
Holders Change
-10
Holders Change %
-6.37%
% of All Funds
2.32%
Holding in Top 10
1
Holding in Top 10 Change
-2
Holding in Top 10 Change %
-66.67%
% of All Funds
0.02%
New
33
Increased
56
Reduced
41
Closed
43
Calls
$18.1M
Puts
$2.24M
Net Calls
+$15.8M
Net Calls Change
+$7.58M

Top Buyers

1
Balyasny Asset Management
1
Balyasny Asset Management
Illinois
$15.9M
2
DM
2
Deerfield Management
New York
$9.49M
3
LGM
3
Logos Global Management
California
$9.21M
4
RG
4
Redmile Group
California
$5.59M
5
Fidelity Investments
5
Fidelity Investments
Massachusetts
$4.87M

Top Sellers

1
B
1
Braidwell
Connecticut
$0
2
O
2
OrbiMed
New York
$23.7M
3
Goldman Sachs
3
Goldman Sachs
New York
$4.59M
4
State Street
4
State Street
Massachusetts
$16.1M
5
ABG
5
Ally Bridge Group
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
New York State Common Retirement Fund
101
New York State Common Retirement Fund
New York
$122K 36,993 -115 -0.3%
CC
102
Corton Capital
Ontario, Canada
$108K 32,937 +2,874 +10%
Janus Henderson Group
103
Janus Henderson Group
United Kingdom
$101K 30,616 -40 -0.1%
Principal Financial Group
104
Principal Financial Group
Iowa
$99.8K 30,339 +4,877 +19%
State Board of Administration of Florida Retirement System
105
State Board of Administration of Florida Retirement System
Florida
$93.7K 28,482 +1,080 +4%
PFCS
106
Pale Fire Capital SE
Czech Republic
$83.6K 25,400 +25,400 New
PWLP
107
Prio Wealth Limited Partnership
Massachusetts
$77.4K 23,529 – –
JRP
108
Jasper Ridge Partners
California
$76K 23,100 – –
ASRS
109
Arizona State Retirement System
Arizona
$75.6K 22,977 -151 -0.7%
JF
110
Jump Financial
Illinois
$73.7K 22,392 +22,392 New
Teacher Retirement System of Texas
111
Teacher Retirement System of Texas
Texas
$73K 22,187 -2,402 -10%
HCA
112
Harbor Capital Advisors
Illinois
$70.2K 21,339 +21,339 New
ProShare Advisors
113
ProShare Advisors
Maryland
$67.3K 20,451 +2,069 +11%
EFM
114
E Fund Management
China
$60K 18,105 -9,473 -34%
Zurich Cantonal Bank
115
Zurich Cantonal Bank
Switzerland
$57.4K 17,459 +5,212 +43%
DU
116
Delphia (USA)
Ontario, Canada
$55.9K 16,992 -7,373 -30%
GC
117
Grimes & Company
Massachusetts
$51.8K 15,740 +134 +0.9%
ETC
118
Exchange Traded Concepts
Oklahoma
$50.3K 15,301 +15,301 New
MFS
119
Mirabella Financial Services
United Kingdom
$47.6K 14,472 +14,472 New
TAM
120
Tocqueville Asset Management
New York
$42.8K 13,000 +13,000 New
DTL
121
Dynamic Technology Lab
Singapore
$42K 12,869 -5,568 -30%
AB
122
Amalgamated Bank
New York
$42K 12,679 +3,288 +35%
Royal Bank of Canada
123
Royal Bank of Canada
Ontario, Canada
$42K 12,881 +7,657 +147%
MAM
124
Martingale Asset Management
Massachusetts
$39.9K 12,114 +4 +0%
YIH
125
Y-Intercept (HK)
Hong Kong
$38.3K 11,649 +11,649 New
3 4
5
6 7