Stocktoria
DATA I/O CORP DAIO
Nasdaq · stock · Instruments For Meas & Testing of Electricity & Elec Signals · website · IPO 1981-05-06
DATA I/O CORP institutional holders
| Investor | Shares | Value | % of company |
|---|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | 407,643 | $1.0M | 4.34% |
| CITADEL ADVISORS LLC | 107,400 | $271,722 | 1.14% |
| BlackRock Finance, Inc. | 26,654 | $73,564 | 0.28% |
% of company = reported institutional shares ÷ shares outstanding. Based on the latest reports; not every holder reports every quarter.
Computed from company filings · US · as of 2025-12-31. Facts plus Stocktoria's own computed scores — not investment advice.