SIMPLEX TRADING, LLC - DATA I O CORP ownership

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DATA I O CORP's ticker is and the CUSIP is 237690902. A total of 2 filers reported holding DATA I O CORP in Q3 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

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Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of DATA I O CORP
ValueSharesWeighting
Q3 2023$0–100
-93.8%
0.00%–
Q4 2021$0–1,600–0.00%–
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Other shareholders
DATA I O CORP shareholders Q3 2023
NameSharesValueWeighting ↓
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
SIMPLEX TRADING, LLC 100$00.00%
View complete list of DATA I O CORP shareholders