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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

MSB holding history

Mesabi Trust 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.

MSB overviewAll 13F holders of MSBFull Q2 2026 holdings

Shares (Q2 2026)
162
Value
$4.10K
% of portfolio
<0.1%
Quarters held
16
Since Q1 2021
Holdings of MSB by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 2026162$4.10K<0.1%−2,321−93.5%ReducedHolders
Q1 20262,483$78.2K<0.1%+2,483NewHolders
Q3 20250$00.0%−23−100.0%Sold outHolders
Q2 202523$00.0%−621−96.4%ReducedHolders
Q1 2025644$17.0K<0.1%+644NewHolders
Q1 20240$00.0%−6−100.0%Sold outHolders
Q4 20236$00.0%−77−92.8%ReducedHolders
Q3 202383$1.00K<0.1%−500−85.8%ReducedHolders
Q2 2023583$11.0K<0.1%+215+58.4%AddedHolders
Q1 2023368$9.00K<0.1%−4,319−92.1%ReducedHolders
Q4 20224,687$84.0K<0.1%−1,377−22.7%ReducedHolders
Q3 20226,064$130.0K<0.1%+5,908+3,787.2%AddedHolders
Q2 2022156$3.00K<0.1%−1,483−90.5%ReducedHolders
Q1 20221,639$43.0K<0.1%−7,980−83.0%ReducedHolders
Q4 20219,619$254.0K<0.1%+7,828+437.1%AddedHolders
Q3 20211,791$64.0K<0.1%00.0%UnchangedHolders
Q2 20211,791$63.0K<0.1%−6,427−78.2%ReducedHolders
Q1 20218,218$247.0K<0.1%––Holders

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