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GROUP ONE TRADING LLC

Position in DAIO — Data I/O Corp

CIK 932540 CHICAGO, IL

Position in DAIO

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$253
New position
Shares Held
100
first reported quarter
Ownership
0.001%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#26
of 29 holders
Holding Since
Mar 2026
1 quarter on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Position in Electronic Components

Technology · as of Mar 31, 2026

GROUP ONE TRADING LLC holds $24,957,871 across 16 Electronic Components names. DAIO ranks #16 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in DAIO

Export CSV
1 filing row on record
Report Date Value (USD) Shares
2026-03-31 $253 100