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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

TW holding history

Tradeweb Markets Inc. 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.

TW overviewAll 13F holders of TWFull Q2 2026 holdings

Shares (Q2 2026)
198
Value
$19.7K
% of portfolio
<0.1%
Quarters held
13
Since Q4 2021
Holdings of TW by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026198$19.7K<0.1%−989−83.3%ReducedHolders
Q1 20261,187$139.7K<0.1%−1,637−58.0%ReducedHolders
Q4 20252,824$303.7K<0.1%−12,700−81.8%ReducedHolders
Q3 202515,524$1.72M<0.1%+15,524NewHolders
Q4 20240$00.0%−7,568−100.0%Sold outHolders
Q3 20247,568$935.0K<0.1%−7,115−48.5%ReducedHolders
Q2 202414,683$1.56M0.1%−3,398−18.8%ReducedHolders
Q1 202418,081$1.88M0.1%−3,028−14.3%ReducedHolders
Q4 202321,109$1.92M0.1%+18,710+779.9%AddedHolders
Q3 20232,399$192.0K<0.1%+2,399NewHolders
Q1 20230$00.0%−3,192−100.0%Sold outHolders
Q4 20223,192$207.0K<0.1%−8,683−73.1%ReducedHolders
Q3 202211,875$669.0K<0.1%−13,501−53.2%ReducedHolders
Q2 202225,376$1.73M0.1%+25,376NewHolders
Q1 20220$00.0%−3,981−100.0%Sold outHolders
Q4 20213,981$398.0K<0.1%+3,981NewHolders