Stocktoria
DATA I/O CORP DAIO
Nasdaq · XNAS · stock · Instruments For Meas & Testing of Electricity & Elec Signals · website · IPO 1981-05-06
DATA I/O CORP institutional holders (13F)
| Investor | Shares | Value |
|---|---|---|
| RENAISSANCE TECHNOLOGIES LLC | 407,643 | $1.0M |
| CITADEL ADVISORS LLC | 107,400 | $271,722 |
| BlackRock Finance, Inc. | 26,654 | $73,564 |
Source: SEC EDGAR filings · CIK 0000351998 · as of 2025-12-31. Facts from filings plus Stocktoria's own computed scores — not investment advice.