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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
NMC
1
NEA Management Company
Maryland
$114M +$113M +325,771 New
Wellington Management Group
2
Wellington Management Group
Massachusetts
$28.3M +$28.3M +81,894 New
Fidelity Investments
3
Fidelity Investments
Massachusetts
$23.9M +$24M +69,402 New
RSCM
4
Rock Springs Capital Management
Maryland
$21.3M +$21.1M +61,116 New
PAI
5
ProQuest Associates IV
Florida
$13.4M +$13.2M +38,228 New
RCP
6
Rho Capital Partners
New York
$11.4M +$11.3M +32,721 New
ACH
7
ArrowMark Colorado Holdings
Colorado
$4.89M +$4.84M +14,000 New
JP Morgan Chase
8
JP Morgan Chase
New York
$4.76M +$4.72M +13,641 New
SCM
9
Scopia Capital Management
New York
$2.85M +$2.82M +8,145 New
Alyeska Investment Group
10
Alyeska Investment Group
Illinois
$1.75M +$1.73M +5,000 New
MIM
11
Monashee Investment Management
Massachusetts
$1.51M +$1.49M +4,311 New
CAM
12
Cormorant Asset Management
Massachusetts
$1.11M +$1.1M +3,192 New
Vanguard Group
13
Vanguard Group
Pennsylvania
$1.05M +$1.04M +3,000 New
Tudor Investment Corp
14
Tudor Investment Corp
Connecticut
$989K +$979K +2,831 New
Millennium Management
15
Millennium Management
New York
$853K +$844K +2,441 New
Victory Capital Management
16
Victory Capital Management
Texas
$754K +$747K +2,160 New
Goldman Sachs
17
Goldman Sachs
New York
$699K +$692K +2,000 New
LCM
18
Laurion Capital Management
New York
$699K +$692K +2,000 New
DekaBank Deutsche Girozentrale
19
DekaBank Deutsche Girozentrale
Germany
$676K +$692K +2,000 New
SSA
20
Schonfeld Strategic Advisors
New York
$489K +$484K +1,400 New
HI
21
HBK Investments
Texas
$279K +$277K +800 New
Norges Bank
22
Norges Bank
Norway
$279K +$277K +800 New
ZP
23
Zimmer Partners
New York
$279K +$277K +800 New
Citadel Advisors
24
Citadel Advisors
Florida
$179K +$177K +513 New
Credit Agricole
25
Credit Agricole
France
$70K +$69.2K +200 New