Who Holds Data I/o Corp (DAIO)? 35 Institutional Holders, Q2 2026
Managers with more than $100 million in US equities report their holdings on Form 13F within 45 days of each quarter end. Quarter ended 30 Jun 2026: 35 holders, $12 million in total.
Largest holders
The 35 largest by value. Change in shares against Q1 2026.
| Manager | Shares | Value | Change | |
|---|---|---|---|---|
| Kanen Wealth Management LLC | 839,421 | $3 million | +0% | 13F |
| RENAISSANCE TECHNOLOGIES LLC | 392,443 | $2 million | -4% | 13F |
| Penbrook Management LLC | 355,850 | $1 million | 0% | 13F |
| VANGUARD CAPITAL MANAGEMENT LLC | 323,672 | $1 million | +8% | 13F |
| Kovack Advisors, Inc. | 285,481 | $1 million | +7% | 13F |
| DIMENSIONAL FUND ADVISORS LP | 140,679 | $554,276 | +0% | 13F |
| GEODE CAPITAL MANAGEMENT, LLC | 115,057 | $453,420 | +32% | 13F |
| CITADEL ADVISORS LLC | 86,869 | $342,264 | New | 13F |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 74,558 | $293,759 | 0% | 13F |
| VANGUARD FIDUCIARY TRUST CO | 58,643 | $231,053 | +28% | 13F |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 48,548 | $191,279 | +81% | 13F |
| Steward Partners Investment Advisory, LLC | 43,472 | $171,280 | +0% | 13F |
| THOMPSON DAVIS & CO., INC. | 23,533 | $92,720 | New | 13F |
| NewEdge Advisors, LLC | 22,402 | $88,264 | +0% | 13F |
| JAMES INVESTMENT RESEARCH, INC. | 22,402 | $88,264 | +0% | 13F |
| NORTHERN TRUST CORP | 21,827 | $85,998 | +62% | 13F |
| LPL Financial LLC | 21,000 | $82,740 | -7% | 13F |
| JANE STREET GROUP, LLC | 17,727 | $69,844 | New | 13F |
| Legato Capital Management LLC | 17,550 | $69,147 | +0% | 13F |
| BlackRock, Inc. | 17,015 | $67,039 | +0% | 13F |
| STATE STREET CORP | 16,170 | $63,710 | +0% | 13F |
| XTX Topco Ltd | 15,284 | $60,219 | New | 13F |
| CITIGROUP INC | 7,176 | $28,273 | New | 13F |
| GROUP ONE TRADING LLC | 6,450 | $25,413 | +6350% | 13F |
| Vanguard Global Advisers, LLC | 5,124 | $20,189 | +0% | 13F |
| SIMPLEX TRADING, LLC | 4,279 | $16,859 | +55% | 13F |
| UBS Group AG | 4,222 | $16,635 | +349% | 13F |
| Point Nemo Capital, LLC | 500 | $1,970 | New | 13F |
| Tower Research Capital LLC (TRC) | 314 | $1,237 | -81% | 13F |
| ACADIAN ASSET MANAGEMENT LLC | 108,582 | $427 | -13% | 13F |
| BARCLAYS PLC | 50 | $197 | New | 13F |
| HRT FINANCIAL LP | 11,288 | $44 | New | 13F |
| Caitong International Asset Management Co., Ltd | 4 | $16 | New | 13F |
| SBI Securities Co., Ltd. | 1 | $4 | +0% | 13F |
| HUNTINGTON NATIONAL BANK | 1 | $4 | +0% | 13F |
Questions and answers
- How many institutions hold Data I/o Corp?
- 35 managers reported Data I/o Corp on Form 13F for the quarter ended 30 June 2026, against 29 the quarter before.
- Who is the largest institutional holder of Data I/o Corp?
- Kanen Wealth Management LLC, with 839,421 shares worth $3 million on its 13F for Q2 2026.
- How many institutions bought or sold out of Data I/o Corp in Q2 2026?
- 9 managers reported a new position and 3 reported none after holding it the quarter before.
Source: SEC EDGAR, Form 13F (public domain). Counts and values as filed. Cite this page: Tamarly Intelligence, "Who holds Data I/o Corp, Q2 2026", https://app.tamarly.ai/holders/data-i-o, built from SEC EDGAR.
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