Data I/o Corporation · NASDAQ:DAIO
Data I/o Corporation shareholders
As of Jun 30, 2026, 33 institutions reported holding Data I/o Corporation, 29.9% of its shares. Largest: Kanen Wealth Management LLC, Renaissance Technologies and Vanguard. New holders, exits, insiders and big stakes, each with its filing.
| Holder | Shares | % of Data I/o Corporation | Change | Filed |
|---|---|---|---|---|
| Kanen Wealth Management LLC | 839K | 8.1% | no change | Aug 13, 2026 |
| Renaissance Technologies | 392K | 3.8% | −15,200 | Aug 13, 2026 |
| Vanguard | 387K | 3.7% | +37,065 | Aug 13, 2026 |
| Penbrook Management LLC | 356K | 3.4% | −1,000 | Jul 23, 2026 |
| Kovack Advisors, Inc. | 285K | 2.7% | +17,500 | Jul 29, 2026 |
| Dimensional | 141K | 1.4% | no change | Aug 11, 2026 |
| Geode Capital | 115K | 1.1% | +28,190 | Aug 12, 2026 |
| Acadian Asset Management LLC | 109K | 1.0% | −15,537 | Aug 13, 2026 |
| Citadel | 86,869 | 0.84% | new | Aug 14, 2026 |
| Essex Investment Management Co LLC | 74,558 | 0.72% | −83 | Aug 6, 2026 |