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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

WLK holding history

Westlake Corp in every 13F filed by Simplex Trading, 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 2026)
0
Sold out in Q1 2026
Value
$0
% of portfolio
0.0%
Quarters held
12
Since Q1 2021
Holdings of WLK by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20260$00.0%−1,981−100.0%Sold outHolders
Q4 20251,981$146.5K<0.1%+1,981NewHolders
Q2 20250$00.0%−146−100.0%Sold outHolders
Q1 2025146$14.0K<0.1%−2,083−93.4%ReducedHolders
Q4 20242,229$255.0K<0.1%+2,229NewHolders
Q3 20240$00.0%−1,722−100.0%Sold outHolders
Q2 20241,722$249.0K<0.1%+1,722NewHolders
Q1 20230$00.0%−41−100.0%Sold outHolders
Q4 202241$4.00K<0.1%−4,641−99.1%ReducedHolders
Q3 20224,682$406.0K<0.1%+288+6.6%AddedHolders
Q2 20224,394$430.0K<0.1%+4,163+1,802.2%AddedHolders
Q1 2022231$28.0K<0.1%+31+15.5%AddedHolders
Q4 2021200$19.0K<0.1%−912−82.0%ReducedHolders
Q3 20211,112$101.0K<0.1%00.0%UnchangedHolders
Q2 20211,112$100.0K<0.1%−89−7.4%ReducedHolders
Q1 20211,201$106.0K<0.1%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.