There is a long list of 180 institutional holders of AMRN within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of AMRN by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-AMRN table below, the initial column indicates the name of each top institutional holder of AMRN, with a link to that fund's top holdings. The next columns indicate the amount of AMRN stock held by each of the institutional holders of AMRN, followed by the AMRN position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Sarissa Capital Management LP	24,850,623	$21,620	12/31/2023
AMRN	24,850,623	$21,620	12/31/2023
Kynam Capital Management LP	12,022,957	$10,460	12/31/2023
AMRN	12,022,957	$10,460	12/31/2023
Eversept Partners LP	6,095,505	$5,303	12/31/2023
AMRN	6,095,505	$5,303	12/31/2023
Morgan Stanley	5,563,083	$4,840	12/31/2023
AMRN	5,563,083	$4,840	12/31/2023
DG Capital Management LLC	5,405,438	$4,703	12/31/2023
AMRN	5,405,438	$4,703	12/31/2023
Longitude Cayman Ltd.		$2,828	12/31/2023
AMRN	2,050,000	$1,784	12/31/2023
Call	1,200,000	$1,044	12/31/2023
Two Sigma Investments LP	3,184,293	$2,770	12/31/2023
AMRN	3,184,293	$2,770	12/31/2023
Tang Capital Management LLC	3,086,544	$2,685	12/31/2023
AMRN	3,086,544	$2,685	12/31/2023
Two Sigma Advisers LP	2,727,602	$2,373	12/31/2023
AMRN	2,727,602	$2,373	12/31/2023
Millennium Management LLC	2,538,596	$2,209	12/31/2023
AMRN	2,538,596	$2,209	12/31/2023
SCP Investment LP	2,500,000	$2,175	12/31/2023
AMRN	2,500,000	$2,175	12/31/2023
Price Jennifer C.	2,380,000	$2,071	12/31/2023
AMRN	2,380,000	$2,071	12/31/2023
Citadel Advisors LLC		$1,195	12/31/2023
AMRN	1,366,533	$1,189	12/31/2023
Call	83,500	$73	12/31/2023
Put	77,000	$67	12/31/2023
Ameriprise Financial Inc.	1,232,678	$1,072	12/31/2023
AMRN	1,232,678	$1,072	12/31/2023
Hayek Kallen Investment Management	1,016,760	$885	12/31/2023
AMRN	1,016,760	$885	12/31/2023
Axxcess Wealth Management LLC	985,783	$858	12/31/2023
AMRN	985,783	$858	12/31/2023
13D Management LLC	910,475	$792	12/31/2023
AMRN	910,475	$792	12/31/2023
Bank of Montreal Can	818,270	$753	12/31/2023
AMRN	818,270	$753	12/31/2023
Anson Funds Management LP	865,912	$753	12/31/2023
AMRN	865,912	$753	12/31/2023
GSA Capital Partners LLP	850,043	$740	12/31/2023
AMRN	850,043	$740	12/31/2023
Resources Investment Advisors LLC.	827,620	$720	12/31/2023
AMRN	827,620	$720	12/31/2023
Susquehanna International Group LLP		$688	12/31/2023
AMRN	675,203	$587	12/31/2023
Call	239,400	$208	12/31/2023
Put	123,100	$107	12/31/2023
LCM Capital Management Inc	740,159	$644	12/31/2023
AMRN	740,159	$644	12/31/2023
UBS Group AG	682,567	$594	12/31/2023
AMRN	682,567	$594	12/31/2023
Raymond James Financial Services Advisors Inc.	660,966	$589	03/31/2024
AMRN	660,966	$589	03/31/2024
Quinn Opportunity Partners LLC	597,550	$520	12/31/2023
AMRN	597,550	$520	12/31/2023
Goldman Sachs Group Inc.	544,877	$474	12/31/2023
AMRN	544,877	$474	12/31/2023
Group One Trading L.P.		$422	12/31/2023
AMRN	325,524	$283	12/31/2023
Call	166,300	$145	12/31/2023
Put	7,300	$6	12/31/2023
Simplicity Wealth LLC	468,848	$418	03/31/2024
AMRN	468,848	$418	03/31/2024
Sawtooth Solutions LLC	468,848	$408	12/31/2023
AMRN	468,848	$408	12/31/2023
Bleakley Financial Group LLC	468,848	$408	12/31/2023
AMRN	468,848	$408	12/31/2023
BNP Paribas Arbitrage SA	455,177	$396	12/31/2023
AMRN	455,177	$396	12/31/2023
Cutter & CO Brokerage Inc.	441,601	$384	12/31/2023
AMRN	441,601	$384	12/31/2023
State Street Corp	388,960	$338	12/31/2023
AMRN	388,960	$338	12/31/2023
Waterfront Wealth Inc.	386,735	$336	12/31/2023
AMRN	386,735	$336	12/31/2023
Regis Management CO LLC	350,000	$312	03/31/2024
AMRN	350,000	$312	03/31/2024
Atom Investors LP	230,053	$200	12/31/2023
AMRN	230,053	$200	12/31/2023
NJ State Employees Deferred Compensation Plan	218,000	$190	12/31/2023
AMRN	218,000	$190	12/31/2023
Geode Capital Management LLC	214,385	$187	12/31/2023
AMRN	214,385	$187	12/31/2023
Commonwealth Equity Services LLC	202,509	$176	12/31/2023
AMRN	202,509	$176	12/31/2023
Johnson Financial Group Inc.	200,000	$174	12/31/2023
AMRN	200,000	$174	12/31/2023
BlackRock Inc.	199,060	$173	12/31/2023
AMRN	199,060	$173	12/31/2023
Macquarie Group Ltd.	190,000	$165	12/31/2023
AMRN	190,000	$165	12/31/2023
Advisor Group Holdings Inc.	188,412	$164	12/31/2023
AMRN	188,412	$164	12/31/2023
Estate Counselors LLC	165,000	$144	12/31/2023
AMRN	165,000	$144	12/31/2023
Jane Street Group LLC	153,804	$134	12/31/2023
AMRN	153,804	$134	12/31/2023
Simplex Trading LLC		$132	03/31/2024
Call	169,600	$151	03/31/2024
Put	22,900	$20	03/31/2024
AMRN	580	$1	03/31/2024
LPL Financial LLC	141,794	$123	12/31/2023
AMRN	141,794	$123	12/31/2023
Evanson Asset Management LLC	133,408	$119	03/31/2024
AMRN	133,408	$119	03/31/2024
Acadian Asset Management LLC	133,984	$114	12/31/2023
AMRN	133,984	$114	12/31/2023