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
Q2 2016Torray FundBuy9,8759,875$735
Q2 2016Renaissance Technologies LLCSell-314,90044,500$3,312
Q2 2016First Eagle U.S. ValueSell-560,0751,034,370$76,978
Q2 2016Muhlenkamp & CoBuy3,0003,000$223
Q1 2016Viking Global InvestorsSell-9,024,176303,852$26,004
Q1 2016First Eagle U.S. ValueSell-190,4001,594,445$136,453
Q4 2015Renaissance Technologies LLCSell-269,700359,400$31,232
Q4 2015First Eagle U.S. ValueSell-1,849,1501,784,845$155,103
Q4 2015Viking Global InvestorsSell-4,177,9289,328,028$810,606
Q3 2015Renaissance Technologies LLCBuy263,300629,100$52,442
Q3 2015First Eagle U.S. ValueBuy618,0823,633,995$302,930
Q3 2015Viking Global InvestorsBuy2,779,57213,505,956$1,125,856
Q2 2015Renaissance Technologies LLCSell-283,700365,800$37,868
Q2 2015First Eagle U.S. ValueBuy1,183,9113,015,913$312,207
Q2 2015Viking Global InvestorsBuy3,010,45810,726,384$1,110,395
Q1 2015Renaissance Technologies LLCBuy328,200649,500$57,026
Q1 2015First Eagle U.S. ValueBuy403,9021,832,002$160,850
Q1 2015Viking Global InvestorsBuy3,666,6457,715,926$677,458
Q4 2014Renaissance Technologies LLCSell-800321,300$25,508
Q4 2014First Eagle U.S. ValueBuy187,9001,428,100$113,377
Q4 2014Viking Global InvestorsSell-3,075,8904,049,281$321,472
Q3 2014Renaissance Technologies LLCBuy118,500322,100$34,999
Q3 2014Egerton Capital UKBuy1,073,5772,510,469$272,788
Q3 2014Viking Global InvestorsSell-3,646,5657,125,171$774,221
Q2 2014Renaissance Technologies LLCBuy203,600203,600$19,882
Q2 2014First Eagle U.S. ValueBuy144,0001,240,200$121,106
Q2 2014Egerton Capital UKBuy1,436,8921,436,892$140,313
Q2 2014Viking Global InvestorsSell-2,087,26810,771,736$1,051,860
Q1 2014Viking Global InvestorsBuy4,888,25612,859,004$1,143,680
Q4 2013First Eagle U.S. ValueBuy117,2001,096,200$88,003

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.