Amarin Corp Plc\Uk (AMRN) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

415,531,000Shares Outstanding

4,535,452Shares held by institutions

$65,809,409Value of institutional holdings

1.09%Institutional ownership %

15.69%Shares Changed QoQ

80No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Amarin Corp Plc\Uk (NASDAQ:AMRN) has 80 institutional investors with active 13F positions as of December 2025.

They owned 1.1% of outstanding stock in December 2025, up from 1.0% the prior quarter.
Their total shares held in AMRN increased 15.69% quarter over quarter, and separately, investors owning Amarin Corp Plc\Uk decreased 49.69% from a year ago.
Among the 80 funds, 33 bought more Amarin Corp Plc\Uk shares, 19 sold down, and 28 held their ground.
Altogether, these fund groups held 4.54Mn shares in AMRN by December 2025, up by 615.05K shares quarter on quarter, and down 72.7Mn shares year over year.
As of December 31, 2025, the biggest holder of Amarin Corp Plc\Uk is Sarissa Capital Management LP at 1.67Mn shares, representing 0.4% of shares outstanding.
Leading buyers of Amarin Corp Plc\Uk shares for the quarter ending December 2025 were Sarissa Capital Management LP (430.87K), ACADIAN ASSET MANAGEMENT LLC (123.86K), Waterfront Wealth Inc. (64.58K), Morgan Stanley (60.45K), TWO SIGMA INVESTMENTS, LP (51.1K).
The largest sellers of Amarin Corp Plc\Uk for the quarter ending December 2025 were Kynam Capital Management, LP (186.84K), Quinn Opportunity Partners LLC (44.16K), Jpmorgan Chase & Co (24.81K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (18.26K), UBS Group AG (12.05K).
According to Business Quant data, leading holders of AMRN for December 2025 are Sarissa Capital Management LP (1.67Mn), ACADIAN ASSET MANAGEMENT LLC (580.44K), Kynam Capital Management, LP (389.27K), Morgan Stanley (330.11K), Eversept Partners, LP (172.19K), CITADEL ADVISORS LLC (168.0K), MILLENNIUM MANAGEMENT LLC (166.24K), Waterfront Wealth Inc. (142.54K), TWO SIGMA INVESTMENTS, LP (111.17K), BNP PARIBAS FINANCIAL MARKETS (104.34K).

80 Institutional Holders

4,535,452 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Sarissa Capital Management LP	31 Dec, 2025	1,673,395	430,868	34.68%	$23,352,227.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	580,442	123,862	27.13%	$8,080.00
Kynam Capital Management, LP	31 Dec, 2025	389,273	-186,838	-32.43%	$5,432,305.00
Morgan Stanley	31 Dec, 2025	330,109	60,446	22.42%	$4,606,671.00
Eversept Partners, LP	31 Dec, 2025	172,188	4,912	2.94%	$2,402,884.00
CITADEL ADVISORS LLC	31 Dec, 2025	168,004	45,713	37.38%	$2,344,496.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	166,235	33,844	25.56%	$2,319,809.00
Waterfront Wealth Inc.	31 Dec, 2025	142,540	64,580	82.84%	$2,265,673.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	111,168	51,097	85.06%	$1,551,349.00
BNP PARIBAS FINANCIAL MARKETS	31 Dec, 2025	104,345	16,979	19.43%	$1,456,134.00
SCP Investment, LP	31 Dec, 2025	100,000	0	0.00%	$1,395,500.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	61,847	-18,262	-22.80%	$863,074.00
LCM Capital Management Inc	31 Dec, 2025	42,262	-500	-1.17%	$589,766.00
TWO SIGMA ADVISERS, LP	31 Dec, 2025	36,995	20,200	120.27%	$516,265.00
Point72 Asset Management, L.P.	31 Dec, 2025	36,491	36,491	0.00%	$509,232.00
JANE STREET GROUP, LLC	31 Dec, 2025	32,832	4,908	17.58%	$458,171.00
Sei Investments Co	31 Dec, 2025	29,212	0	0.00%	$407,644.00
Raymond James Financial Inc	31 Dec, 2025	28,036	-11,308	-28.74%	$391,243.00
Jump Financial, LLC	31 Dec, 2025	26,900	7,500	38.66%	$375,390.00
OSAIC HOLDINGS, INC.	31 Dec, 2025	24,271	-5,851	-19.42%	$338,719.00

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