AMRN (AMRN) Institutional Ownership Changes & 13F Activity

AMRN. Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Sequoia Financial Advisors, Renaissance Technologies LLC, Greenlight Capital, and Matrix Private Capital Group.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2025Sequoia Financial AdvisorsBuy8,18821,188$9,494
Q2 2023Renaissance Technologies LLCSell-22,80053,900$64
Q1 2023Renaissance Technologies LLCSell-1,336,30076,700$115
Q2 2022Sequoia Financial AdvisorsBuy13,00013,000$19
Q2 2021Renaissance Technologies LLCSell-519,6001,413,000$6,189
Q1 2021Renaissance Technologies LLCSell-981,9181,932,600$12,001
Q4 2020Renaissance Technologies LLCBuy353,5382,914,518$14,252
Q3 2020Renaissance Technologies LLCSell-1,252,2812,560,980$10,782
Q3 2020Greenlight CapitalBuy100,000100,000$421
Q2 2020Renaissance Technologies LLCBuy1,449,2603,813,261$26,388
Q1 2020Renaissance Technologies LLCSell-238,1342,364,001$9,456
Q1 2020Matrix Private Capital GroupBuy6,35457,032$228
Q4 2019Matrix Private Capital GroupBuy50,67850,678$1,087
Q1 2018Renaissance Technologies LLCBuy359,7352,602,135$7,832
Q4 2017Renaissance Technologies LLCSell-1,106,6142,242,400$8,992
Q3 2017Renaissance Technologies LLCBuy1,058,3363,349,014$11,722
Q2 2017Renaissance Technologies LLCBuy560,4782,290,678$9,231
Q1 2017Renaissance Technologies LLCBuy1,344,2001,730,200$5,537
Q4 2016Renaissance Technologies LLCBuy335,400386,000$1,189
Q3 2016Renaissance Technologies LLCSell-214,30050,600$161
Q4 2015Renaissance Technologies LLCSell-219,101264,900$501
Q2 2015Renaissance Technologies LLCSell-248,489484,001$1,191
Q1 2015Renaissance Technologies LLCBuy548,290732,490$1,714
Q2 2014Renaissance Technologies LLCBuy184,200184,200$324

Frequently asked questions about AMRN activity

  • Which institutional owners are buying AMRN?

    Institutional owners buying AMRN include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in AMRN activity?

    "Buy" means an investor increased their reported position in AMRN compared to the prior reporting period. This reflects growing exposure to AMRN rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in AMRN increasing?

    Institutional interest in AMRN can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

Related AMRN Institutional Insights

AMRN Institutional Ownership Changes and 13F Activity | InsiderSet