LYONDELLBASELL INDUSTRIES N (LYB) Stock Institutional Trading Activity


LYONDELLBASELL INDUSTRIES N (LYB) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q3 2025), investors with some of the largest reported share count changes include Muhlenkamp & Co, Dodge & Cox Stock Fund, Sequoia Financial Advisors, Miller Value Partners, and Renaissance Technologies LLC. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2013Viking Global InvestorsSell-1,338,9177,970,748$639,891
Q3 2013First Eagle U.S. ValueBuy561,300979,000$71,692
Q3 2013Viking Global InvestorsSell-1,229,7009,309,665$681,746
Q2 2013First Eagle U.S. ValueBuy417,700417,700$27,677
Q2 2013Viking Global InvestorsBuy10,539,36510,539,365$698,338

Frequently asked questions about LYB activity

  • Which institutional owners are buying LYB?

    Institutional owners buying LYB 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 LYB activity?

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

  • Is institutional interest in LYB increasing?

    Institutional interest in LYB 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.