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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
BlackRock
1
BlackRock
New York
$30.4M +$687K +5,879 +2%
ACA
2
Avoro Capital Advisors
New York
$27.1M
BCLSI
3
Bain Capital Life Sciences Investors
Massachusetts
$26M +$5.31M +45,454 +21%
Millennium Management
4
Millennium Management
New York
$19.5M +$19.8M +169,907 +668%
O
5
OrbiMed
New York
$19.1M +$8.88M +76,002 +66%
SCM
6
Sarissa Capital Management
Connecticut
$17.2M
BG
7
Bellevue Group
Switzerland
$15.8M -$981K -8,400 -5%
RSCM
8
Rock Springs Capital Management
Maryland
$15M +$2.37M +20,275 +16%
Vanguard Group
9
Vanguard Group
Pennsylvania
$13.7M -$804K -6,886 -5%
AG
10
Artal Group
Luxembourg
$8.78M +$4.67M +40,000 +83%
Morgan Stanley
11
Morgan Stanley
New York
$8.66M +$4.41M +37,711 +77%
D.E. Shaw & Co
12
D.E. Shaw & Co
New York
$8.34M +$6.76M +57,839 +224%
CS
13
Candriam SCA
Luxembourg
$7.36M -$832K -7,123 -9%
Goldman Sachs
14
Goldman Sachs
New York
$6.59M +$2.06M +17,646 +36%
State Street
15
State Street
Massachusetts
$5.39M -$13.4M -114,736 -68%
Two Sigma Advisers
16
Two Sigma Advisers
New York
$5.38M +$1.4M +11,972 +28%
Two Sigma Investments
17
Two Sigma Investments
New York
$5.09M +$1.86M +15,915 +45%
Bank of Montreal
18
Bank of Montreal
Ontario, Canada
$4.67M +$5.41M +46,305 New
Geode Capital Management
19
Geode Capital Management
Massachusetts
$4.66M +$139K +1,192 +3%
Deutsche Bank
20
Deutsche Bank
Germany
$4.61M +$5.04M +43,147 +1,401%
CIBC Asset Management
21
CIBC Asset Management
Ontario, Canada
$4.21M
Renaissance Technologies
22
Renaissance Technologies
New York
$3.67M +$2.69M +23,064 +168%
DCMIC
23
Decheng Capital Management III (Cayman)
Cayman Islands
$3.61M +$4.23M +36,171 New
RCP
24
Rho Capital Partners
New York
$3.18M
Northern Trust
25
Northern Trust
Illinois
$2.89M -$110K -945 -3%