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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

PDFS holding history

PDF Solutions 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.

PDFS overviewAll 13F holders of PDFSFull Q2 2026 holdings

Shares (Q2 2026)
10,205
Value
$722.4K
% of portfolio
<0.1%
Quarters held
12
Since Q2 2021
Holdings of PDFS by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202610,205$722.4K<0.1%+10,205NewHolders
Q1 20260$00.0%−540−100.0%Sold outHolders
Q4 2025540$15.4K<0.1%+540NewHolders
Q3 20250$00.0%−198−100.0%Sold outHolders
Q2 2025198$4.00K<0.1%+89+81.7%AddedHolders
Q1 2025109$2.00K<0.1%−4,534−97.7%ReducedHolders
Q4 20244,643$125.0K<0.1%+4,643NewHolders
Q3 20240$00.0%−308−100.0%Sold outHolders
Q2 2024308$11.0K<0.1%−3,179−91.2%ReducedHolders
Q1 20243,487$117.0K<0.1%+3,487NewHolders
Q4 20220$00.0%−248−100.0%Sold outHolders
Q3 2022248$6.00K<0.1%+248NewHolders
Q2 20220$00.0%−1,656−100.0%Sold outHolders
Q1 20221,656$46.0K<0.1%−3,847−69.9%ReducedHolders
Q4 20215,503$174.0K<0.1%+5,129+1,371.4%AddedHolders
Q3 2021374$6.00K<0.1%00.0%UnchangedHolders
Q2 2021374$6.00K<0.1%+374NewHolders