Data I/O Corporation Major Shareholders & Ownership History
| Major Shareholder Name | Reporting Date | Shares Held | Market Value | Change in Shares | Ownership |
|---|---|---|---|---|---|
| KANEN WEALTH MANAGEMENT LLC | 11/14/2025 | 839.42 K | $2.82 M | 0.00% | 9.03% |
| RENAISSANCE TECHNOLOGIES LLC | 11/13/2025 | 476.83 K | $1.59 M | 0.10% | 5.13% |
| VANGUARD GROUP INC | 11/07/2025 | 358.46 K | $1.20 M | 0.00% | 3.86% |
| PENBROOK MANAGEMENT LLC | 10/22/2025 | 352.75 K | $1.18 M | 0.86% | 3.79% |
| KOVACK ADVISORS, INC. | 11/10/2025 | 263.23 K | $879.19 K | -2.30% | 2.83% |
| DIMENSIONAL FUND ADVISORS LP | 11/12/2025 | 261.13 K | $872.16 K | -3.33% | 2.81% |
| ACADIAN ASSET MANAGEMENT LLC | 11/13/2025 | 133.22 K | $444.00 K | 0.00% | 1.43% |
| BANK OF NEW YORK MELLON CORP | 11/03/2025 | 116.75 K | $389.95 K | 0.00% | 1.26% |
| GEODE CAPITAL MANAGEMENT, LLC | 11/12/2025 | 101.62 K | $339.47 K | 4.11% | 1.09% |
| CITADEL ADVISORS LLC | 11/14/2025 | 79.50 K | $265.53 K | 100.00% | 0.86% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 11/06/2025 | 74.64 K | $249.30 K | 0.00% | 0.80% |
| CITADEL ADVISORS LLC | 11/14/2025 | 41.57 K | $138.85 K | -1.88% | 0.45% |
| STEWARD PARTNERS INVESTMENT ADVISORY, LLC | 11/12/2025 | 34.92 K | $116.62 K | 66.93% | 0.38% |
| JAMES INVESTMENT RESEARCH INC | 10/31/2025 | 22.40 K | $74.82 K | 0.00% | 0.24% |
| NEWEDGE ADVISORS, LLC | 11/17/2025 | 22.40 K | $74.82 K | 0.00% | 0.24% |
| NORTHERN TRUST CORP | 11/14/2025 | 19.11 K | $63.81 K | 4.54% | 0.21% |
| LEGATO CAPITAL MANAGEMENT LLC | 11/12/2025 | 17.55 K | $58.62 K | 0.00% | 0.19% |
| BLACKROCK, INC. | 11/12/2025 | 17.02 K | $56.83 K | 0.00% | 0.18% |
| STATE STREET CORP | 11/14/2025 | 16.17 K | $54.01 K | 0.00% | 0.17% |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 11/14/2025 | 15.43 K | $51.53 K | -32.06% | 0.17% |
| SIMPLEX TRADING, LLC | 11/12/2025 | 2.81 K | $9.00 K | -45.72% | 0.03% |
| UBS GROUP AG | 11/13/2025 | 2.72 K | $9.07 K | 100.00% | 0.03% |
| TOWER RESEARCH CAPITAL LLC (TRC) | 11/14/2025 | 1.03 K | $3.44 K | -9.88% | 0.01% |
| BANK OF AMERICA CORP /DE/ | 11/14/2025 | 85 | $284 | 2.41% | 0.00% |
| HUNTINGTON NATIONAL BANK | 11/12/2025 | 1 | $3 | 0.00% | 0.00% |
| SBI SECURITIES CO., LTD. | 11/05/2025 | 1 | $3 | 0.00% | 0.00% |
| RAYMOND JAMES FINANCIAL INC | 11/14/2025 | 0 | $0 | -100.00% | 0.00% |
| BARD ASSOCIATES INC | 11/14/2025 | 0 | $0 | -100.00% | 0.00% |
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Data I/O Corporation institutional Ownership - FAQ's
During the previous two years, 34 institutional investors and hedge funds held shares of Data I/O Corporation. The most heavily invested institutionals were:
Kanen Wealth Management LLC: 839,421
RENAISSANCE TECHNOLOGIES LLC: 476,834
VANGUARD GROUP INC: 358,458
Penbrook Management LLC: 352,750
Kovack Advisors, Inc.: 263,231
DIMENSIONAL FUND ADVISORS LP: 261,125
34.33% of Data I/O Corporation stock is owned by institutional investors.
Institutional investors have bought a total of 3.28 M shares in the last 24 months. This purchase volume represents approximately $10.99 M in transactions.