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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
$62.6M +$18.9M +150,000 +46%
SCM
2
Sarissa Capital Management
Connecticut
$19.7M +$18.9M +150,000 New
ACH
3
ArrowMark Colorado Holdings
Colorado
$16.9M +$5.98M +47,540 +59%
BI
4
BVF Inc
California
$13.2M +$12.6M +100,000 New
EC
5
EcoR1 Capital
California
$12.1M +$11.6M +92,000 New
O
6
OrbiMed
New York
$9.95M +$9.52M +75,645 New
Point72 Asset Management
7
Point72 Asset Management
Connecticut
$8.07M +$4.95M +39,375 +179%
Vanguard Group
8
Vanguard Group
Pennsylvania
$7.89M +$6.21M +49,353 +463%
RSCM
9
Rock Springs Capital Management
Maryland
$7.36M +$2.01M +16,000 +40%
Wellington Management Group
10
Wellington Management Group
Massachusetts
$5.08M -$5.91K -47 -0.1%
BlackRock
11
BlackRock
New York
$4.72M +$587K +4,669 +15%
JP Morgan Chase
12
JP Morgan Chase
New York
$4.33M +$2.01M +15,944 +94%
RCP
13
Rho Capital Partners
New York
$4.19M
DCM
14
DAFNA Capital Management
California
$2.12M +$2.03M +16,132 New
Geode Capital Management
15
Geode Capital Management
Massachusetts
$1.94M +$1.21M +9,657 +188%
Fidelity Investments
16
Fidelity Investments
Massachusetts
$1.35M
SFM
17
Sphera Funds Management
Israel
$1.05M +$1.01M +8,000 New
PVI
18
Pura Vida Investments
New York
$1.04M +$991K +7,877 New
State Street
19
State Street
Massachusetts
$1.01M +$79K +628 +9%
Northern Trust
20
Northern Trust
Illinois
$947K +$206K +1,638 +29%
Deutsche Bank
21
Deutsche Bank
Germany
$938K +$815K +6,477 +973%
Renaissance Technologies
22
Renaissance Technologies
New York
$918K +$878K +6,981 New
PPA
23
Parametric Portfolio Associates
Washington
$618K +$9.81K +78 +2%
D.E. Shaw & Co
24
D.E. Shaw & Co
New York
$603K +$577K +4,584 New
Millennium Management
25
Millennium Management
New York
$503K +$259K +2,059 +116%