MRSN icon

Mersana Therapeutics

84 hedge funds and large institutions have $22.8M invested in Mersana Therapeutics in 2025 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 23 increasing their positions, 30 reducing their positions, and 40 closing their positions.

Holders
84
Holders Change
-28
Holders Change %
-25%
% of All Funds
1.13%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
13
Increased
23
Reduced
30
Closed
40
Calls
$14K
Puts
$4K
Net Calls
+$10K
Net Calls Change
+$3K
Name Market Value Shares Shares
Change
Shares
Change %
Mercer Global Advisors
101
Mercer Global Advisors
Colorado
-24,077 Closed
CWM
102
CIBC World Markets
New York
-23,791 Closed
PFSRSONJ
103
Police & Firemen's Retirement System of New Jersey
New Jersey
-22,593 Closed
FPAS
104
Focus Partners Advisor Solutions
Missouri
-19,485 Closed
Manulife (Manufacturers Life Insurance)
105
Manulife (Manufacturers Life Insurance)
Ontario, Canada
-17,374 Closed
NAM
106
NorthCrest Asset Manangement
Minnesota
-16,069 Closed
GC
107
Grimes & Company
Massachusetts
-14,069 Closed
AHL
108
Abel Hall LLC
Louisiana
-13,662 Closed
Legal & General Group
109
Legal & General Group
United Kingdom
-11,097 Closed
Principal Financial Group
110
Principal Financial Group
Iowa
-10,354 Closed
Victory Capital Management
111
Victory Capital Management
Texas
-10,339 Closed
VOYA Investment Management
112
VOYA Investment Management
Georgia
-10,123 Closed
AIP
113
Ameritas Investment Partners
Nebraska
-9,896 Closed
SO
114
STRS Ohio
Ohio
-8,700 Closed
California State Teachers Retirement System (CalSTRS)
115
California State Teachers Retirement System (CalSTRS)
California
-8,220 Closed
AB
116
Amalgamated Bank
New York
-3,769 Closed
Simplex Trading
117
Simplex Trading
Illinois
-3,424 Closed
Royal Bank of Canada
118
Royal Bank of Canada
Ontario, Canada
$0 150 -1,468 -91%
CCM
119
Coldstream Capital Management
Washington
-1,095 Closed
SCM
120
Sterling Capital Management
North Carolina
-944 Closed
TWD
121
True Wealth Design
Ohio
-289 Closed
FFA
122
Frazier Financial Advisors
Ohio
-5 Closed
FFA
123
Farther Finance Advisors
California
$0 1
Citadel Advisors
124
Citadel Advisors
Florida
CIAM
125
Caitong International Asset Management
Hong Kong
$0 1