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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
OCA
26
Octagon Capital Advisors
New York
$4.48M +$3.98M +40,000 New
Qube Research & Technologies (QRT)
27
Qube Research & Technologies (QRT)
United Kingdom
$4.3M +$3.82M +38,388 New
Northern Trust
28
Northern Trust
Illinois
$4.23M +$54.8K +551 +1%
Jacobs Levy Equity Management
29
Jacobs Levy Equity Management
New Jersey
$3.63M -$480K -4,829 -13%
ABG
30
Ally Bridge Group
New York
$3.59M +$3.19M +32,057 New
Goldman Sachs
31
Goldman Sachs
New York
$3.01M +$2.1M +21,081 +362%
DTC
32
Deep Track Capital
Connecticut
$2.6M +$2.31M +23,187 New
Verition Fund Management
33
Verition Fund Management
Connecticut
$2.53M +$2.24M +22,567 New
Wellington Management Group
34
Wellington Management Group
Massachusetts
$2.4M +$2.13M +21,385 New
CAM
35
ClariVest Asset Management
California
$2.11M +$1.88M +18,874 New
Acadian Asset Management
36
Acadian Asset Management
Massachusetts
$2.1M +$1.17M +11,725 +167%
AI
37
Atom Investors
Texas
$1.97M -$1.33M -13,417 -43%
UOC
38
UBS O'Connor
Illinois
$1.95M -$483K -4,854 -22%
Citigroup
39
Citigroup
New York
$1.86M +$1.59M +15,955 +2,497%
Barclays
40
Barclays
United Kingdom
$1.83M +$1.02M +10,286 +169%
Bank of New York Mellon
41
Bank of New York Mellon
New York
$1.7M -$31.5K -317 -2%
Jane Street
42
Jane Street
New York
$1.66M -$1.59K -16 -0.1%
Rafferty Asset Management
43
Rafferty Asset Management
New York
$1.65M +$1.47M +14,737 New
Fidelity Investments
44
Fidelity Investments
Massachusetts
$1.46M -$835K -8,401 -39%
Invesco
45
Invesco
Georgia
$1.45M +$1.1M +11,027 +566%
MIM
46
Monashee Investment Management
Massachusetts
$1.39M +$1.23M +12,400 New
Charles Schwab
47
Charles Schwab
California
$1.33M -$48.5K -488 -4%
UBS Group
48
UBS Group
Switzerland
$1.3M +$542K +5,456 +89%
CSS
49
Cubist Systematic Strategies
Connecticut
$1.07M +$491K +4,940 +107%
PAM
50
Panagora Asset Management
Massachusetts
$1.06M -$60.9K -613 -6%