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CSS LLC

SEC CIK
0001103646
Latest filing
Aug 14, 2026

WLK holding history

Westlake Corp in every 13F filed by CSS 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 (Q1 2024)
0
Sold out in Q1 2024
Value
$0
% of portfolio
0.0%
Quarters held
5
Since Q3 2022
Holdings of WLK by CSS LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20240$00.0%−2,500−100.0%Sold outHolders
Q4 20232,500$349.9K<0.1%00.0%UnchangedHolders
Q3 20232,500$311.7K<0.1%+2,500NewHolders
Q2 20230$00.0%−2,500−100.0%Sold outHolders
Q1 20232,500$289.9K<0.1%00.0%UnchangedHolders
Q4 20222,500$256.4K<0.1%−500−16.7%ReducedHolders
Q3 20223,000$261.0K<0.1%+3,000NewHolders