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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

BLK holding history

BlackRock, 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.

BLK overviewAll 13F holders of BLKFull 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 BLK by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q1 20260$00.0%−1,439−100.0%Sold outHolders
Q4 20251,439$1.54M<0.1%+1,439NewHolders
Q2 20250$00.0%−1,931−100.0%Sold outHolders
Q1 20251,931$1.83M0.1%+1,931NewHolders
Q3 20240$00.0%−3,366−100.0%Sold outHolders
Q2 20243,366$2.65M0.1%+3,366NewHolders
Q3 20230$00.0%−50−100.0%Sold outHolders
Q2 202350$34.0K<0.1%00.0%UnchangedHolders
Q1 202350$33.0K<0.1%00.0%UnchangedHolders
Q4 202250$35.0K<0.1%−7,597−99.3%ReducedHolders
Q3 20227,647$4.21M0.2%−1,473−16.2%ReducedHolders
Q2 20229,120$5.55M0.2%+9,120NewHolders
Q1 20220$00.0%−4,915−100.0%Sold outHolders
Q4 20214,915$4.50M0.1%+1,106+29.0%AddedHolders
Q3 20213,809$3.35M0.1%+39+1.0%AddedHolders
Q2 20213,770$3.30M0.1%−2,228−37.1%ReducedHolders
Q1 20215,998$4.52M0.3%––Holders

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