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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
O
1
OrbiMed
New York
$41.6M +$15.9M +168,901 +88%
BlackRock
2
BlackRock
New York
$41M +$4.72M +50,193 +16%
BCLSI
3
Bain Capital Life Sciences Investors
Massachusetts
$40M +$8.06M +85,666 +33%
ACA
4
Avoro Capital Advisors
New York
$34.9M +$2.82M +30,000 +11%
Vanguard Group
5
Vanguard Group
Pennsylvania
$21.9M +$4.88M +51,938 +38%
Millennium Management
6
Millennium Management
New York
$20.2M -$1.88M -20,042 -10%
SCM
7
Sarissa Capital Management
Connecticut
$19.9M
RSCM
8
Rock Springs Capital Management
Maryland
$18.8M +$1.2M +12,805 +9%
BG
9
Bellevue Group
Switzerland
$18M -$221K -2,352 -1%
WP
10
Woodline Partners
California
$14.6M +$11.9M +126,463 New
AG
11
Artal Group
Luxembourg
$10.2M
CS
12
Candriam SCA
Luxembourg
$9.2M +$548K +5,829 +8%
D.E. Shaw & Co
13
D.E. Shaw & Co
New York
$9.14M -$425K -4,518 -5%
Goldman Sachs
14
Goldman Sachs
New York
$8.6M +$789K +8,384 +13%
State Street
15
State Street
Massachusetts
$7.49M +$1.01M +10,727 +20%
Morgan Stanley
16
Morgan Stanley
New York
$7.27M -$2.25M -23,907 -28%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$7.26M +$1.52M +16,206 +35%
Deutsche Bank
18
Deutsche Bank
Germany
$5.2M -$116K -1,238 -3%
Two Sigma Advisers
19
Two Sigma Advisers
New York
$5.02M -$989K -10,512 -19%
OM
20
Opaleye Management
Massachusetts
$4.84M +$1.27M +13,480 +47%
DCMIC
21
Decheng Capital Management III (Cayman)
Cayman Islands
$4.18M
Northern Trust
22
Northern Trust
Illinois
$3.96M +$497K +5,289 +18%
SCM
23
Silverarc Capital Management
Massachusetts
$3.93M +$3.2M +34,000 New
Charles Schwab
24
Charles Schwab
California
$3.03M +$721K +7,661 +41%
Renaissance Technologies
25
Renaissance Technologies
New York
$2.63M -$1.31M -13,955 -38%