DATA I/O CORP - DAIO
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Kanen Wealth Management LLC | History | No change | 839,421 | 1,732 | 0.53% | 0.94% | 1 | 0 | 0.0% | Q4 2025 | Feb 18, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | History | Reduced | 437,637 | 1,387 | 0.0% | 0.0% | 2 | -39,197 | -8.22% | Q4 2025 | Feb 12, 2026 |
| CITADEL ADVISORS LLC | History | Added to | 426,682 | 1,352 | 0.0% | 0.0% | 3 | +305,610 | 252.42% | Q4 2025 | Feb 17, 2026 |
| Penbrook Management LLC | History | Added to | 356,850 | 1,131 | 0.78% | 0.82% | 4 | +4,100 | 1.16% | Q4 2025 | Jan 06, 2026 |
| VANGUARD GROUP INC | History | Reduced | 350,374 | 1,110 | 0.0% | 0.0% | 5 | -8,084 | -2.26% | Q4 2025 | Jan 29, 2026 |
| Kovack Advisors, Inc. | History | Added to | 268,906 | 852 | 0.04% | 0.08% | 6 | +5,675 | 2.16% | Q4 2025 | Feb 17, 2026 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 180,249 | 571 | 0.0% | 0.0% | 7 | -80,876 | -30.97% | Q4 2025 | Feb 12, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | History | Reduced | 125,219 | 396 | 0.0% | 0.0% | 8 | -8,002 | -6.01% | Q4 2025 | Feb 10, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 104,582 | 331 | 0.0% | 0.0% | 9 | +2,967 | 2.92% | Q4 2025 | Feb 09, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | History | No change | 74,641 | 236 | 0.04% | 0.04% | 10 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| Steward Partners Investment Advisory, LLC | History | Added to | 43,472 | 137 | 0.0% | 0.0% | 11 | +8,555 | 24.5% | Q4 2025 | Feb 12, 2026 |
| JAMES INVESTMENT RESEARCH, INC. | History | No change | 22,402 | 71 | 0.01% | 0.01% | 12 | 0 | 0.0% | Q4 2025 | Jan 29, 2026 |
| NewEdge Advisors, LLC | History | No change | 22,402 | 71 | 0.0% | 0.0% | 13 | 0 | 0.0% | Q4 2025 | Feb 18, 2026 |
| Legato Capital Management LLC | History | No change | 17,550 | 55 | 0.0% | 0.01% | 14 | 0 | 0.0% | Q4 2025 | Feb 06, 2026 |
| BlackRock, Inc. | History | No change | 17,015 | 53 | 0.0% | 0.0% | 15 | 0 | 0.0% | Q4 2025 | Feb 12, 2026 |
| STATE STREET CORP | History | No change | 16,170 | 51 | 0.0% | 0.0% | 16 | 0 | 0.0% | Q4 2025 | Feb 13, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 15,697 | 49 | 0.0% | 0.0% | 17 | +269 | 1.74% | Q4 2025 | Feb 17, 2026 |
| NORTHERN TRUST CORP | History | Reduced | 13,476 | 42 | 0.0% | 0.0% | 18 | -5,630 | -29.47% | Q4 2025 | Feb 17, 2026 |
| DRW Securities, LLC | History | New | 11,731 | 37 | 0.0% | — | 19 | +11,731 | New | Q4 2025 | Feb 12, 2026 |
| Tower Research Capital LLC (TRC) | History | Added to | 2,131 | 6 | 0.0% | 0.0% | 21 | +1,100 | 106.69% | Q4 2025 | Feb 17, 2026 |
| SIMPLEX TRADING, LLC | History | Reduced | 1,932 | 6 | 0.0% | 0.0% | 20 | -880 | -31.29% | Q4 2025 | Feb 11, 2026 |
| Capital Analysts, LLC | History | New | 159 | 1 | 0.0% | — | 22 | +159 | New | Q4 2025 | Feb 11, 2026 |
| Bank of New York Mellon Corp | History | Closed out | 0 | 0 | — | 0.0% | — | -116,751 | -100.0% | Q3 2025 | Nov 03, 2025 |
| UBS Group AG | History | Closed out | 0 | 0 | — | 0.0% | — | -2,716 | -100.0% | Q3 2025 | Nov 13, 2025 |
| ROYAL BANK OF CANADA | History | New | 110 | 0 | — | — | — | +110 | New | Q4 2025 | Feb 17, 2026 |
| BARD ASSOCIATES INC | History | New | 100 | 0 | — | — | — | +100 | New | Q4 2025 | Feb 13, 2026 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 87 | 0 | — | — | — | +2 | 2.35% | Q4 2025 | Feb 17, 2026 |
| HUNTINGTON NATIONAL BANK | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 09, 2026 |
| SBI Securities Co., Ltd. | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q4 2025 | Feb 03, 2026 |