Stock Ownership/DAIO

DATA I O CORP (DAIO): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in DAIO · Information Technology. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
2
13F filers
Aggregate Value
$1.9M
Across holders
Last Price
$2.85
2026-10-08
Sector
Information Technology
GICS
Quarterly fund activity1 increased1 reduced0 exited
Institutional Holders of DAIO
↗
2 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund392K$1.5M81.9%0.0%Reduced$-60KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund87K$342K18.1%0.0%Added+$126KQ2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$1.5M· 81.9% of total· 0.0% port· 392K sh· $-60K QoQ· Q2 2026
CITADEL ADVISORS LLCAdded
Hedge Fund
$342K· 18.1% of total· 0.0% port· 87K sh· +$126K QoQ· Q2 2026
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