Data I/O Corporation (DAIO) ownership: Top institutional holder: Kanen Wealth Management LLC ($2.12M). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| Kanen Wealth Management LLC | 839421.00 | $2.12M | 2026-03-31 |
| VANGUARD GROUP INC | 350374.00 | $1.11M | 2025-12-31 |
| RENAISSANCE TECHNOLOGIES LLC | 407643.00 | $1.03M | 2026-03-31 |
| Penbrook Management LLC | 356850.00 | $902830.00 | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 299397.00 | $757474.00 | 2026-03-31 |
| Kovack Advisors, Inc. | 267981.00 | $635115.00 | 2026-03-31 |
| Bank of New York Mellon Corp | 116751.00 | $389949.00 | 2025-09-30 |
| DIMENSIONAL FUND ADVISORS LP | 140679.00 | $355918.00 | 2026-03-31 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.