NasdaqHealth CarePharmaceutical PreparationsDUBLIN 2, Ireland

Amarin Corporation plc AMRN

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ADR: the number of shares per ADR isn’t known yetCIK 897448

Insider trades, 12 mo

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No open-market trades

Congress trades, 24 mo

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No disclosed trades

13F holders, Q3 2026

10 added · 14 trimmed

13F holders

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Lobbying, 12 mo

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No lobbying filings

Federal contracts, 12 mo

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None matched

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Latest 10-Q

Q3 2026

What changed in Amarin Corporation plc's latest quarterly report, compared with the one before.

Filed Oct 28, 2026 · Quarter ended Sep 30, 2026

Compared with the 10-Q for the quarter ended Jun 30, 2026. Sections compared: management's discussion, risk factors, legal proceedings and controls and procedures.

Read the 10-Q on sec.gov ↗Filing index ↗

Latest 10-Q

What changed in Amarin Corporation plc's latest quarterly report, compared with the one before.

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Insider trades

Open-market trades from Form 4. 10b5-1 marks a plan set in advance.

No recent insider purchases or sales for this company.

Insider trades

Open-market trades from Form 4. 10b5-1 marks a plan set in advance.

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13F holders

1.86M shares

52 funds report AMRN. Values checked against market prices.

Q3 2026. 8 new, 10 added to, 14 trimmed, 38 exited since Q2 2026.

Top 13F holders
#
1	Acadian Asset Management LLC 13F ↗	732,954	$9.5M	+1.7%
2	Brooklands Fund Management Ltd 13F ↗	218,373	$2.8M	+23.1%
3	Waterfront Wealth Inc. 13F ↗	213,707	$2.5M	-0.1%
4	Morgan Stanley 13F ↗	188,616	$2.5M	-15.7%
5	BNP Paribas Financial Markets 13F ↗	69,772	$907.0K	-2.8%
6	LCM Capital Management Inc 13F ↗	60,162	$782.1K	+17.1%
7	R Squared Ltd 13F ↗	49,272	$640.5K	+190.9%
8	Renaissance Technologies LLC 13F ↗	45,350	$589.5K	-6.2%
9	HRT Financial LP 13F ↗	31,148	$404.0K	n/a
10	SEI Investments Co 13F ↗	29,211	$379.7K	unchanged

2 of these funds report values in thousands of dollars; their figures are shown in dollars.

Download CSV Every fund that holds AMRN, not only these ten. A download holds at most 10,000 rows; narrow the filters to get a smaller slice.

13F holders

Funds that report this stock, checked against market prices.

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Trades by members of Congress

Disclosed in dollar ranges, up to 45 days after the trade.

No recent congressional trades for this company.

Trades by members of Congress

Disclosed in dollar ranges, up to 45 days after the trade.

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Lobbying

What Amarin Corporation plc and its lobbying firms report each quarter.

No recent lobbying filings for this company.

Lobbying

What Amarin Corporation plc and its lobbying firms report each quarter.

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Institutional ownership over time

How many funds reported holding the stock at the end of each quarter, and how many shares they held between them.

Funds holding the stock

Shares they report, adjusted for splits

Funds holding the stock by quarter

Q1 2025	11	—	67,034	$600.7K
Q2 2025	88	+77	3.50M	$56.8M
Q3 2025	91	+3	4.03M	$66.2M
Q4 2025	82	-9	4.54M	$64.0M
Q1 2026	68	-14	4.60M	$66.5M
Q2 2026	81	+13	4.63M	$73.4M
Q3 2026	52	-29	1.86M	$23.9M

Each point is a quarter-end, from Q1 2025 to Q3 2026. A fund's 13F lists its long positions in US-listed securities as of the last day of the quarter and arrives up to 45 days later, so each point shows holdings at quarter-end, not on the day they were reported.

Common shares only; options and bonds are left out. When a fund amends a report, the amended version is the one counted.

The history follows the company's current CUSIP number (023111404). If the company's shares were ever re-issued under a different CUSIP, the quarters before the change are not part of this series, so the first point (Q1 2025) can be later than the stock's first appearance in 13F reports.

Share counts are adjusted for stock splits (1-for-20 on Apr 11, 2025): reports from before a split are multiplied by its ratio, so every quarter is on the share count of Q3 2026.

A quarter appears once our daily update has built its summary. If a summary cannot be built, older reports are kept and the chart shows the quarters it has until the next update repairs it.

Institutional ownership over time

How many funds reported holding the stock at the end of each quarter, and how many shares they held between them.

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More filings and data

Each opens the table.

Ownership stakes1 in 12 mo 8-K events1 in 90 days PatentsNone on record Short interestFINRA · updated Oct 15 Planned insider salesNone in 12 mo Executive pay5 fiscal years Wikipedia attentionLatest Nov 13 SEC enforcementNone on record Ownership stakes…8-K events…Patents…Short interest…Planned insider sales…Executive pay…Wikipedia attention…SEC enforcement…

About the company

The basics from the company’s SEC registration.

Legal name: AMARIN CORP PLC\UK
Address: SPACES SOUTH DOCKLANDS, BLOCK C, 77 SIR JOHN ROGERSON'S QUAY, DUBLIN 2, Ireland
Phone: 353 1 6699 020
Fiscal year ends: Dec 31
Filer category: Accelerated filer
Incorporated in: United Kingdom
Listed as: AMRN (Nasdaq)
Former names: AMARIN CORP PLC\UK (until 2026); AMARIN PHARMACEUTICALS PLC (until 2000); ETHICAL HOLDINGS PLC (until 1998)
SEC filings: All filings on SEC EDGAR ↗

About the company

The basics from the company’s SEC registration.

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$11.38−$0.29 (−2.49%) Nov 13 close

1M3M1Y

Oct 13, 2026Low $11.32 · High $12.75Nov 13, 2026

Aug 13, 2026Low $11.32 · High $14.39Nov 13, 2026

Nov 13, 2025Low $11.32 · High $16.98Nov 13, 2026

Congress purchase Congress sale Insider sale over $1M

Adjusted for stock splits; not for dividends. Where prices come from.

Live chart

Intraday and historical prices from TradingView. Quotes may be delayed.

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Information, not investment advice. Company matching is automatic; check the source before relying on one row.