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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
$68.6M
SCM
2
Sarissa Capital Management
Connecticut
$21.5M
BlackRock
3
BlackRock
New York
$14.1M +$98.2K +1,343 +1%
O
4
OrbiMed
New York
$11.9M +$533K +7,288 +10%
Vanguard Group
5
Vanguard Group
Pennsylvania
$10.7M -$12.3K -168 -0.2%
VMI
6
VHCP Management III
New York
$8.95M +$4.57M +62,456 New
RSCM
7
Rock Springs Capital Management
Maryland
$7.07M -$488K -6,680 -12%
BI
8
BVF Inc
California
$6.76M -$8.37M -114,454 -71%
VMI
9
VHCP Management II
New York
$5.29M +$2.7M +36,901 New
Millennium Management
10
Millennium Management
New York
$4.6M +$2.23M +30,441 +1,790%
GTC
11
Ghost Tree Capital
New York
$4.58M +$2.34M +32,000 New
RCP
12
Rho Capital Partners
New York
$4.56M
Renaissance Technologies
13
Renaissance Technologies
New York
$4.12M -$137K -1,878 -6%
JP Morgan Chase
14
JP Morgan Chase
New York
$3.89M -$733K -10,027 -27%
State Street
15
State Street
Massachusetts
$3.56M +$61.5K +841 +4%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$3.03M +$131K +1,791 +9%
Northern Trust
17
Northern Trust
Illinois
$2.23M +$731 +10 +0.1%
Fidelity Investments
18
Fidelity Investments
Massachusetts
$1.47M -$2.63K -36 -0.3%
Citadel Advisors
19
Citadel Advisors
Florida
$1.26M +$371K +5,077 +136%
OAM
20
Oxford Asset Management
United Kingdom
$1.16M +$71.7K +981 +14%
Bank of New York Mellon
21
Bank of New York Mellon
New York
$1.11M +$272K +3,726 +92%
SCM
22
Sio Capital Management
New York
$953K +$486K +6,650 New
BCM
23
Bridgeway Capital Management
Texas
$913K +$136K +1,864 +41%
Point72 Asset Management
24
Point72 Asset Management
Connecticut
$860K -$1.01M -13,800 -70%
D.E. Shaw & Co
25
D.E. Shaw & Co
New York
$848K -$273K -3,737 -39%