Amarin Ownership | Who Owns Amarin?


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Amarin Ownership Summary


Amarin is owned by 1.11% institutional investors, 1.97% insiders, and 96.92% retail investors. Waterfront wealth is the largest institutional shareholder, holding 1.03% of AMRN shares. Waterfront OE is the top mutual fund, with 0.52% of its assets in Amarin shares.

AMRN Ownership Benchmark


TypeName% Inst% Insiders% Retail
StockAmarin1.11%1.97%96.92%
SectorHealthcare Stocks 35.56%12.08%52.36%
IndustryBiotech Stocks 35.43%12.01%52.56%

Institutional Shareholders


Top Institutional Shareholders by Total Shares

HolderShares% HoldingValue
Waterfront wealth213.95K1.03%$3.18M
Sarissa capital management lp1.67M0.40%$24.20M
Longitude1.62M0.39%$785.70K
Lcm capital management51.36K0.25%$818.71K
Raymond james financial services advisors685.14K0.17%$471.38K
Acadian asset management636.77K0.15%$9.18M
State street25.02K0.12%$398.75K
Kynam capital management, lp472.38K0.11%$6.83M
Bleakley financial group23.50K0.11%$374.67K
State of new jersey common pension fund d18.88K0.09%$300.93K

Top Institutional Shareholders by % of Total Assets

HolderShares% AssetsValue
Sarissa capital management lp1.67M15.35%$24.20M
Waterfront wealth213.95K0.49%$3.18M
Kynam capital management, lp472.38K0.42%$6.83M
Lcm capital management51.36K0.36%$818.71K
Longitude1.62M0.17%$785.70K
R squared16.94K0.14%$269.99K
Eversept partners, lp147.72K0.11%$2.14M
Regis management350.00K0.07%$241.00K
Hayek kallen investment management12.81K0.06%$185.00K
Cutter & co brokerage240.02K0.03%$117.61K

Top Buyers

HolderShares% AssetsChange
Point72 asset management240.76K0.00%204.27K
Millennium management300.54K0.00%134.30K
Kynam capital management, lp472.38K0.42%83.11K
Acadian asset management636.77K0.01%56.33K
Newbridge financial services group37.40K0.00%37.40K

Top Sellers

HolderShares% AssetsChange
Dg capital management---5.12M
Tang capital management---2.50M
Price jennifer c.---2.38M
Gsa capital partners llp---853.35K
Longitude1.62M0.17%-750.00K

New Positions

HolderShares% AssetsChangeValue
Renaissance19.26K0.00%19.26K$278.44K
R squared16.94K0.14%16.94K$269.99K
Quadrature capital14.84K0.00%14.84K$236.58K
Cubist systematic strategies13.70K0.00%13.70K$224.39K
Graham capital management13.52K0.00%13.52K$221.46K

Sold Out

HolderChange
Cbiz investment advisory services-5.00
Principal securities-9.00
Glenmede investment management, lp-45.00
Bryn mawr trust-50.00
Nelson, van denburg & campbell wealth management group-50.00

Institutional Ownership Trends


DateHoldingsChange %SharesChange %OwnershipChange %Increased PositionChange %Decreased PositionChange %
Mar 31, 202669-15.85%4,596,3361.30%192.65%26-25.71%13-23.53%
Dec 31, 202553-44.79%1,584,464-60.43%-40.86%21-44.74%9-47.06%
Sep 30, 202592-1.08%4,002,26613.70%-133.88%3748.00%16-73.77%
Jun 30, 202592-30.83%3,509,256-94.86%-122.73%24-35.14%6160.53%
Mar 31, 2025133-19.88%70,074,553-1.11%-0.29%37-30.19%38-22.45%

Top Mutual Funds Shareholders


HolderShares% HoldingChange
Waterfront OE107.99K0.52%70.25K
Waterfront OS94.23K0.45%-
Old Westbury Small & Mid Cap Strategies55.73K0.27%-
PSM Value Strategy UI50.00K0.24%50.00K
State Street® SPDR® Ptf Dev Wld exUS ETF16.70K0.08%-
SPDR® Portfolio Developed Wld ex-US ETF14.82K0.07%-
SEI International Equity F (SIT)13.65K0.06%-
iShares Nasdaq US Biotech ETF USD Acc11.93K0.06%-
Fidelity Nasdaq Composite Index11.77K0.06%-
Voya Multi-Manager International Sm Cp A10.54K0.05%-

Recent Insider Transactions


DateNameRoleActivityValue
Aug 02, 2024Berg Aaron President and CEOBuy$102.40K
Jan 22, 2024Holt Patrick President and CEOBuy$15.72K
Dec 12, 2023Ketchum Steven B Chief Scientific OfficerSell$26.96K
Aug 16, 2023Holt Patrick President and CEOBuy$71.26K
Aug 16, 2023Holt Patrick President and CEOBuy$27.27K

Insider Transactions Trends


DateBuySell
2026 Q3--
2026 Q2--
2026 Q1--
2025 Q4--
2025 Q3--

AMRN Ownership FAQ


Who Owns Amarin?

Amarin shareholders are primarily institutional investors at 1.11%, followed by 1.97% insiders and 96.92% retail investors. The average institutional ownership in Amarin's industry, Biotech Stocks , is 35.43%, which Amarin falls below.

Who owns the most shares of Amarin?

Amarin’s largest shareholders are Waterfront wealth (213.95K shares, 1.03%), Sarissa capital management lp (1.67M shares, 0.40%), and Longitude (1.62M shares, 0.39%). Together, they hold 1.83% of Amarin’s total shares outstanding.

Does Blackrock own Amarin?

BlackRock is not among the top 10 institutional shareholders of Amarin.

Who is Amarin’s biggest shareholder by percentage of total assets invested?

Sarissa capital management lp is Amarin’s biggest shareholder by percentage of total assets invested, with 15.35% of its assets in 1.67M Amarin shares, valued at 24.2M$.

Who is the top mutual fund holder of Amarin shares?

Waterfront OE is the top mutual fund holder of Amarin shares, with 0.52% of its total shares outstanding invested in 107.99K Amarin shares.

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