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Mersana Therapeutics

Delisted

MRSN was delisted on the 5th of January, 2026.

Name Holding Trade Value Shares
Change
Change in
Stake
Daiwa Securities Group
126
Daiwa Securities Group
Japan
$1K – – –
FIA
127
FNY Investment Advisers
New York
$1K +$2.09K +44 New
NSIM
128
North Star Investment Management
Illinois
$190 – – –
OrbiMed
129
OrbiMed
New York
– -$23.7M -288,597 Closed
Avoro Capital Advisors
130
Avoro Capital Advisors
New York
– -$21M -255,000 Closed
APM
131
Avidity Partners Management
Texas
– -$12.5M -151,600 Closed
AG
132
Artal Group
Luxembourg
– -$9.97M -121,182 Closed
Deerfield Management
133
Deerfield Management
New York
– -$9.49M -115,416 Closed
Logos Global Management
134
Logos Global Management
California
– -$9.21M -112,000 Closed
Candriam SCA
135
Candriam SCA
Luxembourg
– -$7.95M -96,619 Closed
RG
136
Redmile Group
California
– -$5.59M -67,945 Closed
Hudson Bay Capital Management
137
Hudson Bay Capital Management
Connecticut
– -$3.17M -38,494 Closed
RTW Investments
138
RTW Investments
New York
– -$2.02M -24,594 Closed
Ameriprise
139
Ameriprise
Minnesota
– -$1.88M -22,891 Closed
First Manhattan
140
First Manhattan
New York
– -$1.87M -22,784 Closed
Readystate Asset Management
141
Readystate Asset Management
Illinois
– -$1.87M -22,692 Closed
Kennedy Capital Management
142
Kennedy Capital Management
Missouri
– -$1.83M -22,211 Closed
Adage Capital Partners
143
Adage Capital Partners
Massachusetts
– -$1.65M -20,000 Closed
TLP
144
Tri Locum Partners
New York
– -$1.41M -17,132 Closed
SFM
145
Sphera Funds Management
Israel
– -$1.38M -16,742 Closed
Squarepoint
146
Squarepoint
New York
– -$1.38M -16,729 Closed
Rafferty Asset Management
147
Rafferty Asset Management
New York
– -$1.11M -13,466 Closed
Schonfeld Strategic Advisors
148
Schonfeld Strategic Advisors
New York
– -$1.05M -12,822 Closed
Algert Global
149
Algert Global
California
– -$723K -8,794 Closed
Qube Research & Technologies (QRT)
150
Qube Research & Technologies (QRT)
United Kingdom
– -$672K -8,164 Closed