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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 %
UBS Group
76
UBS Group
Switzerland
$72.3K 56,943 -116,674 -67%
Legal & General Group
77
Legal & General Group
United Kingdom
$67.5K 53,162 -19,675 -27%
AIG
78
American International Group
New York
$66.7K 52,520 +4,222 +9%
TRCT
79
Tower Research Capital (TRC)
New York
$61.4K 48,309 +40,906 +553%
GCM
80
Graham Capital Management
Connecticut
$59.5K 46,824 -26,920 -37%
MIM
81
MetLife Investment Management
New Jersey
$59.2K 46,642 – –
SG Americas Securities
82
SG Americas Securities
New York
$59K 46,640 +46,640 New
YIH
83
Y-Intercept (HK)
Hong Kong
$57.4K 45,229 +33,580 +288%
Canada Life
84
Canada Life
Manitoba, Canada
$56K 44,554 – –
VOYA Investment Management
85
VOYA Investment Management
Georgia
$55.4K 43,631 -13,076 -23%
Group One Trading
86
Group One Trading
Illinois
$53.4K 42,068 -118,235 -74%
Manulife (Manufacturers Life Insurance)
87
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$52.9K 41,657 +791 +2%
HCA
88
Harbor Capital Advisors
Illinois
$47.1K 37,062 +15,723 +74%
New York State Common Retirement Fund
89
New York State Common Retirement Fund
New York
$47K 37,356 +363 +1%
HPCM
90
Hunter Perkins Capital Management
Illinois
$47K 37,000 +37,000 New
Barclays
91
Barclays
United Kingdom
$43K 34,154 -152,775 -82%
Principal Financial Group
92
Principal Financial Group
Iowa
$40.3K 31,751 +1,412 +5%
Janus Henderson Group
93
Janus Henderson Group
United Kingdom
$38.8K 30,649 +33 +0.1%
PFCS
94
Pale Fire Capital SE
Czech Republic
$32.3K 25,400 – –
EGM
95
Engineers Gate Manager
New York
$31.9K 25,088 -15,652 -38%
ASRS
96
Arizona State Retirement System
Arizona
$31K 24,427 +1,450 +6%
Teacher Retirement System of Texas
97
Teacher Retirement System of Texas
Texas
$31K 24,067 +1,880 +8%
PMEF
98
Point72 Middle East FZE
United Arab Emirates
$30.9K 24,344 +24,344 New
PWLP
99
Prio Wealth Limited Partnership
Massachusetts
$29.9K 23,529 – –
JRP
100
Jasper Ridge Partners
California
$29.3K 23,100 – –
2 3
4
5 6