WESTLAKE CORP (WLK) Institutional Ownership Changes & 13F Activity

WESTLAKE CORP (WLK). 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 First Eagle U.S. Value, Renaissance Technologies LLC, and Third Avenue Management.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026First Eagle U.S. ValueBuy7,0657,118$831,524
Q4 2025First Eagle U.S. ValueSell-6,83253$3,919
Q3 2025Renaissance Technologies LLCSell-118,30025,900$1,995,854
Q2 2025Renaissance Technologies LLCSell-135,900144,200$10,949,106
Q2 2025First Eagle U.S. ValueBuy7976,885$522,778
Q1 2025Renaissance Technologies LLCSell-70,600280,100$28,018,403
Q1 2025First Eagle U.S. ValueBuy1006,088$608,983
Q4 2024Renaissance Technologies LLCBuy182,600350,700$40,207,755
Q3 2024Renaissance Technologies LLCBuy109,000168,100$25,263,749
Q3 2024First Eagle U.S. ValueBuy5505,988$899,936
Q2 2024Renaissance Technologies LLCSell-9,90059,100$8,558,862
Q2 2024First Eagle U.S. ValueBuy7505,438$787,532
Q1 2024First Eagle U.S. ValueBuy504,688$716,327
Q4 2023Renaissance Technologies LLCBuy6,70069,000$9,657
Q3 2023Renaissance Technologies LLCBuy46,70062,300$7,767
Q3 2023First Eagle U.S. ValueBuy1,7704,638$578,219
Q2 2023Renaissance Technologies LLCSell-61,90015,600$1,864
Q2 2023First Eagle U.S. ValueBuy6622,868$342,640
Q1 2023First Eagle U.S. ValueBuy2,1002,206$255,852
Q3 2022Renaissance Technologies LLCBuy30,60077,500$6,733
Q3 2022First Eagle U.S. ValueBuy84106$9
Q2 2022Renaissance Technologies LLCBuy24,20046,900$4,597
Q2 2022First Eagle U.S. ValueBuy2222$2
Q1 2022Renaissance Technologies LLCSell-158,30022,700$2,801
Q4 2021Renaissance Technologies LLCBuy70,000181,000$17,581
Q3 2021Renaissance Technologies LLCSell-29,100111,000$10,117
Q2 2021Renaissance Technologies LLCBuy104,600140,100$12,622
Q4 2019Renaissance Technologies LLCSell-303,70035,500$2,490
Q1 2019Renaissance Technologies LLCSell-368,100339,200$23,018
Q4 2018Renaissance Technologies LLCBuy131,000707,300$46,802

Frequently asked questions about WLK activity

  • Which institutional owners are buying WLK?

    Institutional owners buying WLK 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 WLK activity?

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

  • Is institutional interest in WLK increasing?

    Institutional interest in WLK 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.