Who Owns DATA I O CORP (DAIO)? -- Institutional Holders (2026-06-30)
36 institutions reported holding $12.3M of DATA I O CORP (DAIO) in SEC 13F filings for 2026-06-30. Largest institutional holders: Kanen Wealth Management LLC ($3.3M), RENAISSANCE TECHNOLOGIES LLC ($1.5M), VANGUARD GROUP INC ($1.5M), Penbrook Management LLC ($1.4M), Kovack Advisors, Inc. ($1.1M). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|
| 1 | Kanen Wealth Management LLC | $3.3M | 839,421 | Hold |
| 2 | RENAISSANCE TECHNOLOGIES LLC | $1.5M | 392,443 | Trimmed |
| 3 | VANGUARD GROUP INC | $1.5M | 387,439 | Added |
| 4 | Penbrook Management LLC | $1.4M | 355,850 | Trimmed |
| 5 | Kovack Advisors, Inc. | $1.1M | 285,481 | Added |
| 6 | DIMENSIONAL FUND ADVISORS LP | $554,276 | 140,679 | Hold |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $453,420 | 115,057 | Added |
| 8 | ACADIAN ASSET MANAGEMENT LLC | $427,000 | 108,582 | Trimmed |
| 9 | CITADEL ADVISORS LLC | $342,264 | 86,869 | Trimmed |
| 10 | ESSEX INVESTMENT MANAGEMENT CO LLC | $293,759 | 74,558 | Trimmed |
| 11 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $191,279 | 48,548 | Added |
| 12 | Steward Partners Investment Advisory, LLC | $171,280 | 43,472 | Hold |
| 13 | THOMPSON DAVIS & CO., INC. | $92,720 | 23,533 | New |
| 14 | JAMES INVESTMENT RESEARCH, INC. | $88,264 | 22,402 | Hold |
| 15 | NewEdge Advisors, LLC | $88,264 | 22,402 | Hold |
| 16 | NORTHERN TRUST CORP | $85,998 | 21,827 | Added |
| 17 | LPL Financial LLC | $82,740 | 21,000 | Trimmed |
| 18 | GROUP ONE TRADING LLC | $78,997 | 20,050 | Added |
| 19 | JANE STREET GROUP, LLC | $69,844 | 17,727 | New |
| 20 | Legato Capital Management LLC | $69,147 | 17,550 | Hold |
| 21 | BlackRock, Inc. | $67,039 | 17,015 | Hold |
| 22 | STATE STREET CORP | $63,710 | 16,170 | Hold |
| 23 | XTX Topco Ltd | $60,219 | 15,284 | New |
| 24 | SIMPLEX TRADING, LLC | $55,077 | 13,979 | Added |
| 25 | HRT FINANCIAL LP | $44,000 | 11,288 | New |
Source: SEC Form 13F filings · as of 2026-06-30