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Mersana Therapeutics
MRSN

Overview Fund Activity

128 hedge funds and large institutions have $322M invested in Mersana Therapeutics in 2022 Q1 according to their latest regulatory filings, with 21 funds opening new positions, 49 increasing their positions, 38 reducing their positions, and 15 closing their positions.

Holders
128
Holders Change
+6
Holders Change %
+4.92%
% of All Funds
2.03%
Holding in Top 10
2
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.03%
New
21
Increased
49
Reduced
38
Closed
15
Calls
$42K
Puts
$372K
Net Calls
-$330K
Net Calls Change
+$608K

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$19.5M
2
O
2
OrbiMed
New York
$19.1M
3
D.E. Shaw & Co
3
D.E. Shaw & Co
New York
$8.34M
4
Bank of Montreal
4
Bank of Montreal
Ontario, Canada
$4.67M
5
BCLSI
5
Bain Capital Life Sciences Investors
Massachusetts
$26M

Top Sellers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$1.92M
2
State Street
2
State Street
Massachusetts
$5.4M
3
Assenagon Asset Management
3
Assenagon Asset Management
Luxembourg
$0
4
Point72 Asset Management
4
Point72 Asset Management
Connecticut
$0
5
Rafferty Asset Management
5
Rafferty Asset Management
New York
$0
Name Market Value Shares Shares
Change 		Shares
Change %
Marshall Wace
76
Marshall Wace
United Kingdom
$130K 32,667 +32,667 New
Manulife (Manufacturers Life Insurance)
77
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$125K 31,360 -7,214 -19%
Invesco
78
Invesco
Georgia
$120K 30,068 +350 +1%
PPA
79
Parametric Portfolio Associates
Washington
$119K 29,837 +251 +0.8%
Balyasny Asset Management
80
Balyasny Asset Management
Illinois
$114K 28,525 +13,895 +95%
VEA
81
Virtus ETF Advisers
New York
$113K 28,294 -1,680 -6%
State Board of Administration of Florida Retirement System
82
State Board of Administration of Florida Retirement System
Florida
$109K 27,282 – –
VOYA Investment Management
83
VOYA Investment Management
Georgia
$105K 26,326 – –
Legal & General Group
84
Legal & General Group
United Kingdom
$101K 25,295 +181 +0.7%
MIM
85
MetLife Investment Management
New Jersey
$99.6K 24,973 -2,050 -8%
PWLP
86
Prio Wealth Limited Partnership
Massachusetts
$94K 23,529 – –
JRP
87
Jasper Ridge Partners
California
$92K 23,100 – –
ProShare Advisors
88
ProShare Advisors
Maryland
$88K 22,048 -3,719 -14%
Group One Trading
89
Group One Trading
Illinois
$72K 18,123 +16,800 +1,270%
Wells Fargo
90
Wells Fargo
California
$71K 17,734 -24,008 -58%
DTL
91
Dynamic Technology Lab
Singapore
$68K 17,027 -15,844 -48%
Simplex Trading
92
Simplex Trading
Illinois
$68K 17,180 +17,180 New
ASRS
93
Arizona State Retirement System
Arizona
$62K 15,551 +100 +0.6%
UBS Group
94
UBS Group
Switzerland
$60K 15,124 -166,039 -92%
PHK
95
Point72 Hong Kong
Hong Kong
$57K 14,280 +5,107 +56%
GC
96
Grimes & Company
Massachusetts
$57K 14,369 +14,369 New
VF
97
Virtu Financial
New York
$53K 13,274 +13,274 New
AQR Capital Management
98
AQR Capital Management
Connecticut
$51K 12,712 +12,712 New
MAM
99
Martingale Asset Management
Massachusetts
$49K 12,045 – –
Teacher Retirement System of Texas
100
Teacher Retirement System of Texas
Texas
$47K 11,902 +1,083 +10%
2 3
4
5 6