13F Insight
DOSSIER · 13F Holders · Q1 2026BellwetherCompounder
AMRN

AMARIN CORP PLC

73 institutions still hold AMARIN CORP PLC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 023111404·73 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 7.0%
vs prior quarter
13F value held
$58M
55.0% inst. owned
of float
Holders
73
+17 QoQ
filers reporting
Activity
+12 / −47
+821 added · −786 reduced
this quarter
Concentration
41.78%
Sarissa Capital Management LP #1
top holder share
AI Holders Summary · Q1 2026

73 institutions reported AMRN in Q1 2026. Sarissa Capital Management LP leads at 41.8% of the visible book. +17 net new institutions vs prior quarter — accumulation reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
Sarissa Capital Management LP
CIK 0001577524
$24M1.7M15.35%Q1 202602
Kynam Capital Management, LP
CIK 0001907884
$7M472K0.42%Q1 202603
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$4M301K0.00%Q1 202604
MORGAN STANLEY
CIK 0000895421
$4M293K0.00%Q1 202605
Point72 Asset Management, L.P.
CIK 0001603466
$3M241K0.00%Q1 202606
Waterfront Wealth Inc.
CIK 0001775210
$3M203K0.54%Q1 202607
CITADEL ADVISORS LLC
CIK 0001423053
$3M180K0.00%Q4 202508
Eversept Partners, LP
CIK 0001697013
$2M148K0.11%Q1 202609
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
$2M108K0.00%Q1 202610
SUSQUEHANNA INTERNATIONAL GROUP, LLP
CIK 0001446194· Market maker
$1M96K0.00%Q1 202611
BNP PARIBAS FINANCIAL MARKETS
CIK 0001166588
$1M76K0.00%Q1 202612
LCM Capital Management Inc
CIK 0001861752
$628,46143K0.32%Q1 202613
TWO SIGMA ADVISERS, LP
CIK 0001478735
$516,26537K0.00%Q4 202514
STATE STREET CORP
CIK 0000093751
$360,76325K0.00%Q1 202615
Bleakley Financial Group, LLC
CIK 0001936953
$340,73524K0.01%Q1 202616
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
$278,44219K0.00%Q1 202617
RAYMOND JAMES FINANCIAL INC
CIK 0000720005
$275,82419K0.00%Q1 202618
State of New Jersey Common Pension Fund D
CIK 0001483066
$272,99019K0.00%Q1 202619
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
CIK 0001083190
$265,63018K0.00%Q1 202620
AMERIPRISE FINANCIAL INC
CIK 0000820027
$263,40418K0.00%Q1 2026
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