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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
$44.9M
VA
2
VR Adviser
New York
$26.3M
Balyasny Asset Management
3
Balyasny Asset Management
Illinois
$22.5M +$7.49M +186,290 +92%
BCLSI
4
Bain Capital Life Sciences Investors
Massachusetts
$20.1M
BlackRock
5
BlackRock
New York
$18.2M -$207K -5,135 -2%
SCM
6
Silverarc Capital Management
Massachusetts
$14.9M +$2.29M +56,805 +28%
Vanguard Group
7
Vanguard Group
Pennsylvania
$14.5M +$82.8K +2,059 +0.8%
NI
8
Nextech Invest
Switzerland
$13.9M +$9.62M +239,133 New
Morgan Stanley
9
Morgan Stanley
New York
$9.59M +$5.07M +125,941 +319%
Millennium Management
10
Millennium Management
New York
$7.88M +$1.96M +48,672 +56%
RSCM
11
Rock Springs Capital Management
Maryland
$7.07M -$573K -14,254 -10%
ACP
12
Acuta Capital Partners
California
$5.49M +$3.65M +90,736 +2,278%
State Street
13
State Street
Massachusetts
$5.4M +$26.8K +667 +0.7%
Geode Capital Management
14
Geode Capital Management
Massachusetts
$5.33M +$224K +5,578 +6%
Citadel Advisors
15
Citadel Advisors
Florida
$4.47M +$502K +12,488 +19%
5VM
16
5AM Venture Management
California
$3.03M
PCM
17
Philosophy Capital Management
California
$2.93M -$1.73M -43,122 -46%
SSA
18
Schonfeld Strategic Advisors
New York
$2.64M +$1.83M +45,576 New
Deutsche Bank
19
Deutsche Bank
Germany
$2.64M +$1.73M +43,056 +1,713%
BBA
20
Baker Bros. Advisors
New York
$2.52M
AAA
21
Affinity Asset Advisors
New York
$2.32M -$2.98M -74,000 -65%
Northern Trust
22
Northern Trust
Illinois
$2.16M -$160K -3,967 -10%
Jacobs Levy Equity Management
23
Jacobs Levy Equity Management
New Jersey
$2.16M +$1.5M +37,224 New
Renaissance Technologies
24
Renaissance Technologies
New York
$2.01M -$96.9K -2,408 -7%
AI
25
Atom Investors
Texas
$1.8M +$775K +19,259 +164%