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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
EC
1
EcoR1 Capital
California
$38.9M
VA
2
VR Adviser
New York
$22.8M
NI
3
Nextech Invest
Switzerland
$19.1M +$16.4M +226,793 +147%
BCLSI
4
Bain Capital Life Sciences Investors
Massachusetts
$17.4M
BlackRock
5
BlackRock
New York
$16.9M +$833K +11,527 +4%
Vanguard Group
6
Vanguard Group
Pennsylvania
$13.5M +$1.24M +17,126 +7%
RSCM
7
Rock Springs Capital Management
Maryland
$6.12M
SSA
8
Schonfeld Strategic Advisors
New York
$5.98M +$5.69M +78,731 +195%
Citadel Advisors
9
Citadel Advisors
Florida
$5.51M -$2.07M -28,615 -21%
State Street
10
State Street
Massachusetts
$5.39M -$8.14M -112,616 -51%
CAM
11
Cormorant Asset Management
Massachusetts
$5.23M
SCM
12
Silverarc Capital Management
Massachusetts
$5.03M -$1.35M -18,729 -16%
Geode Capital Management
13
Geode Capital Management
Massachusetts
$5.01M +$391K +5,408 +6%
Morgan Stanley
14
Morgan Stanley
New York
$4.57M -$1.94M -26,803 -23%
JP Morgan Chase
15
JP Morgan Chase
New York
$3.97M +$1.59M +21,982 +39%
ACP
16
Acuta Capital Partners
California
$3.34M -$1.45M -20,065 -23%
Deutsche Bank
17
Deutsche Bank
Germany
$3.17M -$26.8K -371 -0.6%
WP
18
Woodline Partners
California
$2.95M -$4.24M -58,693 -50%
D.E. Shaw & Co
19
D.E. Shaw & Co
New York
$2.95M +$703K +9,718 +20%
Renaissance Technologies
20
Renaissance Technologies
New York
$2.91M +$59K +816 +1%
5VM
21
5AM Venture Management
California
$2.62M
Goldman Sachs
22
Goldman Sachs
New York
$2.5M +$1.66M +22,893 +85%
BBA
23
Baker Bros. Advisors
New York
$2.18M
Qube Research & Technologies (QRT)
24
Qube Research & Technologies (QRT)
United Kingdom
$2M +$95.1K +1,315 +3%
OCA
25
Octagon Capital Advisors
New York
$1.99M -$23.1K -320 -0.8%