Skip to main content

SIMPLEX TRADING, LLC

Position in DAIO — Data I/O Corp

CIK 1488542 CHICAGO, IL

Position in DAIO

as of Mar 31, 2026 · filed May 14, 2026
Position Value
$6,980
+$856 QoQ
Shares Held
2,759
+42.8% QoQ
Ownership
0.029%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#22
of 29 holders
Holding Since
Mar 2022
8 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in DAIO Over Time

Shares Held

Position Value (USD)

Position in Electronic Components

Technology · as of Mar 31, 2026

SIMPLEX TRADING, LLC holds $19,995,151 across 19 Electronic Components names. DAIO ranks #15 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in DAIO

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $6,980 2,759
2025-12-31 $6,124 1,932
2025-09-30 $9,392 2,812
2025-06-30 $16,061 5,181
2025-03-31 $5,375 2,194
2024-06-30 $3,483 1,262
2024-03-31 $3,164 899
2022-03-31 $425 100