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Renaissance Technologies LLC

SEC CIK
0001037389
Latest filing
Aug 13, 2026

WLK holding history

Westlake Corp in every 13F filed by Renaissance Technologies LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

WLK overviewAll 13F holders of WLKFull Q2 2026 holdings

Shares (Q4 2025)
0
Sold out in Q4 2025
Value
$0
% of portfolio
0.0%
Quarters held
15
Since Q2 2021
Holdings of WLK by Renaissance Technologies LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20250$00.0%−25,900−100.0%Sold outHolders
Q3 202525,900$2.00M<0.1%−118,300−82.0%ReducedHolders
Q2 2025144,200$10.9M<0.1%−135,900−48.5%ReducedHolders
Q1 2025280,100$28.0M<0.1%−70,600−20.1%ReducedHolders
Q4 2024350,700$40.2M0.1%+182,600+108.6%AddedHolders
Q3 2024168,100$25.3M<0.1%+109,000+184.4%AddedHolders
Q2 202459,100$8.56M<0.1%+59,100NewHolders
Q1 20240$00.0%−69,000−100.0%Sold outHolders
Q4 202369,000$9.66M<0.1%+6,700+10.8%AddedHolders
Q3 202362,300$7.77M<0.1%+46,700+299.4%AddedHolders
Q2 202315,600$1.86M<0.1%+15,600NewHolders
Q4 20220$00.0%−77,500−100.0%Sold outHolders
Q3 202277,500$6.73M<0.1%+30,600+65.2%AddedHolders
Q2 202246,900$4.60M<0.1%+24,200+106.6%AddedHolders
Q1 202222,700$2.80M<0.1%−158,300−87.5%ReducedHolders
Q4 2021181,000$17.6M<0.1%+70,000+63.1%AddedHolders
Q3 2021111,000$10.1M<0.1%−29,100−20.8%ReducedHolders
Q2 2021140,100$12.6M<0.1%+140,100NewHolders