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Simplex Trading, LLC

SEC CIK
0001488542
Latest filing
Aug 12, 2026

DAIO holding history

Data I/O Corp 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.

DAIO overviewAll 13F holders of DAIOFull Q2 2026 holdings

Shares (Q2 2026)
4,279
Value
$16.9K
% of portfolio
<0.1%
Quarters held
9
Since Q1 2022
Holdings of DAIO by Simplex Trading, LLC, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 20264,279$16.9K<0.1%+1,520+55.1%AddedHolders
Q1 20262,759$6.98K<0.1%+827+42.8%AddedHolders
Q4 20251,932$6.12K<0.1%−880−31.3%ReducedHolders
Q3 20252,812$9.00K<0.1%−2,369−45.7%ReducedHolders
Q2 20255,181$16.0K<0.1%+2,987+136.1%AddedHolders
Q1 20252,194$5.00K<0.1%+2,194NewHolders
Q3 20240$00.0%−1,262−100.0%Sold outHolders
Q2 20241,262$3.00K<0.1%+363+40.4%AddedHolders
Q1 2024899$3.00K<0.1%+899NewHolders
Q2 20220$00.0%−100−100.0%Sold outHolders
Q1 2022100$00.0%+100NewHolders