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
Q3 2025Sequoia Financial AdvisorsSell-177,468$366,237
Q3 2025Muhlenkamp & CoBuy181,175184,075$9,027,014
Q3 2025Dodge & Cox Stock FundSell-93516,969,062$832,162,800
Q2 2025Sequoia Financial AdvisorsSell-957,485$433,071
Q2 2025Dodge & Cox Stock FundBuy73,96516,969,997$981,884,026
Q1 2025Sequoia Financial AdvisorsSell-707,580$533,600
Q1 2025Miller Value PartnersBuy33,50038,000$2,675,200
Q1 2025Dodge & Cox Stock FundSell-69,80016,896,032$1,189,480,653
Q4 2024Sequoia Financial AdvisorsSell-2,8097,650$568,175
Q4 2024Dodge & Cox Stock FundBuy851,36516,965,832$1,260,052,343
Q3 2024Sequoia Financial AdvisorsBuy3,28410,459$1,003,015
Q3 2024Dodge & Cox Stock FundSell-44,40016,114,467$1,545,377,385
Q2 2024Sequoia Financial AdvisorsSell-60,1817,175$686,371
Q2 2024Dodge & Cox Stock FundSell-68,88516,158,867$1,545,757,217
Q1 2024Renaissance Technologies LLCSell-137,23541,292$4,223
Q1 2024Sequoia Financial AdvisorsSell-5,14667,356$6,889,192
Q1 2024Dodge & Cox Stock FundBuy16,97516,227,752$1,659,774,475
Q4 2023Torray FundSell-92032,141$3,055,925
Q4 2023Renaissance Technologies LLCSell-75,073178,527$16,974
Q4 2023Sequoia Financial AdvisorsSell-60972,502$6,893,492
Q4 2023Dodge & Cox Stock FundSell-8,71516,210,777$1,541,320,677
Q3 2023Torray FundBuy1,32333,061$3,130,835
Q3 2023Renaissance Technologies LLCSell-176,200253,600$24,016
Q3 2023Sequoia Financial AdvisorsSell-13,78073,111$6,923,610
Q3 2023Dodge & Cox Stock FundSell-156,80016,219,492$1,535,985,892
Q2 2023Renaissance Technologies LLCBuy385,000429,800$39,469
Q2 2023Sequoia Financial AdvisorsSell-33,09286,891$7,979,240
Q2 2023Dodge & Cox Stock FundSell-68,95016,376,292$1,503,834,894
Q1 2023Torray FundBuy30431,738$2,979,881
Q1 2023Eagle Capital ManagementSell-4,4164,395$412,647

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.