LYONDELLBASELL INDUSTRIES N (LYB) Institutional Ownership Changes & 13F Activity

LYONDELLBASELL INDUSTRIES N (LYB) institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Dodge & Cox Stock Fund, Muhlenkamp & Co, Sequoia Financial Advisors, Miller Value Partners, and Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Dodge & Cox Stock FundSell-39,92516,839,152$1,356,562,085
Q1 2026Muhlenkamp & CoBuy1,338187,159$15,077,529
Q1 2026Sequoia Financial AdvisorsBuy159,623$775,247
Q4 2025Dodge & Cox Stock FundSell-89,98516,879,077$730,864,034
Q4 2025Sequoia Financial AdvisorsBuy2,1409,608$416,037
Q4 2025Muhlenkamp & CoBuy1,746185,821$8,046,049
Q3 2025Muhlenkamp & CoBuy181,175184,075$9,027,014
Q3 2025Dodge & Cox Stock FundSell-93516,969,062$832,162,800
Q3 2025Sequoia Financial AdvisorsSell-177,468$366,237
Q2 2025Dodge & Cox Stock FundBuy73,96516,969,997$981,884,026
Q2 2025Sequoia Financial AdvisorsSell-957,485$433,071
Q1 2025Dodge & Cox Stock FundSell-69,80016,896,032$1,189,480,653
Q1 2025Miller Value PartnersBuy33,50038,000$2,675,200
Q1 2025Sequoia Financial AdvisorsSell-707,580$533,600
Q4 2024Dodge & Cox Stock FundBuy851,36516,965,832$1,260,052,343
Q4 2024Sequoia Financial AdvisorsSell-2,8097,650$568,175
Q3 2024Dodge & Cox Stock FundSell-44,40016,114,467$1,545,377,385
Q3 2024Sequoia Financial AdvisorsBuy3,28410,459$1,003,015
Q2 2024Dodge & Cox Stock FundSell-68,88516,158,867$1,545,757,217
Q2 2024Sequoia Financial AdvisorsSell-60,1817,175$686,371
Q1 2024Renaissance Technologies LLCSell-137,23541,292$4,223
Q1 2024Dodge & Cox Stock FundBuy16,97516,227,752$1,659,774,475
Q1 2024Sequoia Financial AdvisorsSell-5,14667,356$6,889,192
Q4 2023Renaissance Technologies LLCSell-75,073178,527$16,974
Q4 2023Dodge & Cox Stock FundSell-8,71516,210,777$1,541,320,677
Q4 2023Torray FundSell-92032,141$3,055,925
Q4 2023Sequoia Financial AdvisorsSell-60972,502$6,893,492
Q3 2023Renaissance Technologies LLCSell-176,200253,600$24,016
Q3 2023Dodge & Cox Stock FundSell-156,80016,219,492$1,535,985,892
Q3 2023Sequoia Financial AdvisorsSell-13,78073,111$6,923,610

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.

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