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MRSN

Mersana Therapeutics

Delisted

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

Name Holding Trade Value Shares
Change
Change in
Stake
BlackRock
1
BlackRock
New York
$46.5M -$10.3M -53,124 -15%
ACA
2
Avoro Capital Advisors
New York
$42.3M
BCLSI
3
Bain Capital Life Sciences Investors
Massachusetts
$33.5M +$13.2M +67,600 +46%
Wellington Management Group
4
Wellington Management Group
Massachusetts
$31.2M -$7.71M -39,612 -16%
SCM
5
Sarissa Capital Management
Connecticut
$26.7M
State Street
6
State Street
Massachusetts
$26.3M +$1.01M +5,214 +3%
BG
7
Bellevue Group
Switzerland
$25.9M -$755K -3,880 -2%
Vanguard Group
8
Vanguard Group
Pennsylvania
$22.4M -$577K -2,967 -2%
RSCM
9
Rock Springs Capital Management
Maryland
$20.2M +$1.78M +9,130 +8%
O
10
OrbiMed
New York
$18M
CS
11
Candriam SCA
Luxembourg
$12.6M
Morgan Stanley
12
Morgan Stanley
New York
$7.64M +$4.36M +22,428 +84%
Goldman Sachs
13
Goldman Sachs
New York
$7.52M +$500K +2,569 +6%
AG
14
Artal Group
Luxembourg
$7.46M
Geode Capital Management
15
Geode Capital Management
Massachusetts
$7.07M +$566K +2,907 +7%
Assenagon Asset Management
16
Assenagon Asset Management
Luxembourg
$6.68M +$1.32M +6,795 +19%
CIBC Asset Management
17
CIBC Asset Management
Ontario, Canada
$6.57M -$21.8K -112 -0.3%
Two Sigma Advisers
18
Two Sigma Advisers
New York
$6.53M +$3.27M +16,808 +67%
Two Sigma Investments
19
Two Sigma Investments
New York
$5.46M +$4.12M +21,180 +152%
Point72 Asset Management
20
Point72 Asset Management
Connecticut
$5.09M +$6.37M +32,724 New
RCP
21
Rho Capital Partners
New York
$4.95M
Northern Trust
22
Northern Trust
Illinois
$4.65M +$396K +2,034 +7%
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$4.01M +$4.64M +23,852 +1,227%
Millennium Management
24
Millennium Management
New York
$3.96M +$4.14M +21,294 +513%
BNP Paribas Financial Markets
25
BNP Paribas Financial Markets
France
$3.85M +$4.25M +21,866 +762%