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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

SEIC holding history

SEI Investments Co 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.

SEIC overviewAll 13F holders of SEICFull Q2 2026 holdings

Shares (Q4 2025)
0
Sold out in Q4 2025
Value
$0
% of portfolio
0.0%
Quarters held
8
Since Q1 2021
Holdings of SEIC by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q4 20250$00.0%−1,281−100.0%Sold outHolders
Q3 20251,281$108.0K<0.1%+1,281NewHolders
Q4 20240$00.0%−56−100.0%Sold outHolders
Q3 202456$3.00K<0.1%+56NewHolders
Q1 20240$00.0%−96−100.0%Sold outHolders
Q4 202396$6.00K<0.1%+95+9,500.0%AddedHolders
Q3 20231$00.0%+1NewHolders
Q4 20220$00.0%−1,391−100.0%Sold outHolders
Q3 20221,391$68.0K<0.1%+1,391NewHolders
Q4 20210$00.0%−3,968−100.0%Sold outHolders
Q3 20213,968$247.0K<0.1%00.0%UnchangedHolders
Q2 20213,968$245.0K<0.1%+3,621+1,043.5%AddedHolders
Q1 2021347$21.0K<0.1%––Holders

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