We are live on ! Find out more
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
$36.6M
NI
2
Nextech Invest
Switzerland
$22.8M +$4.48M +101,644 +27%
VA
3
VR Adviser
New York
$21.4M
BCLSI
4
Bain Capital Life Sciences Investors
Massachusetts
$16.4M
BlackRock
5
BlackRock
New York
$16.3M +$420K +9,518 +3%
Vanguard Group
6
Vanguard Group
Pennsylvania
$13.6M +$838K +18,997 +7%
Citadel Advisors
7
Citadel Advisors
Florida
$8.34M +$2.94M +66,718 +61%
RSCM
8
Rock Springs Capital Management
Maryland
$5.76M
State Street
9
State Street
Massachusetts
$5.15M +$76.5K +1,734 +2%
Geode Capital Management
10
Geode Capital Management
Massachusetts
$4.56M -$142K -3,208 -3%
JP Morgan Chase
11
JP Morgan Chase
New York
$4.44M +$661K +14,978 +19%
SSA
12
Schonfeld Strategic Advisors
New York
$4.2M -$1.33M -30,145 -25%
Goldman Sachs
13
Goldman Sachs
New York
$3.7M +$1.26M +28,572 +57%
BC
14
Boxer Capital
California
$3.43M +$3.21M +72,680 New
Deutsche Bank
15
Deutsche Bank
Germany
$3.02M +$35.6K +807 +1%
SCM
16
Silverarc Capital Management
Massachusetts
$3M -$1.61M -36,592 -37%
Morgan Stanley
17
Morgan Stanley
New York
$2.58M -$1.6M -36,335 -40%
5VM
18
5AM Venture Management
California
$2.47M
Verition Fund Management
19
Verition Fund Management
Connecticut
$2.46M +$2.28M +51,688 +11,694%
ACP
20
Acuta Capital Partners
California
$2.27M -$817K -18,520 -28%
EAM
21
Exome Asset Management
New York
$2.23M +$2.08M +47,143 New
BBA
22
Baker Bros. Advisors
New York
$2.05M
D.E. Shaw & Co
23
D.E. Shaw & Co
New York
$1.93M -$782K -17,725 -30%
Jacobs Levy Equity Management
24
Jacobs Levy Equity Management
New Jersey
$1.88M +$896K +20,298 +104%
OCA
25
Octagon Capital Advisors
New York
$1.87M