Funds holding Data I/O Corp
19 funds declare a position · 4 ETFs and 15 other funds · 2.1M $ · US2376901029
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 1 | Philotimo Focused Growth & Income World Funds Trust | 327,401 | 828.3K $ | 0.74 % | as of Mar 31, 2026 · Original filing |
| 2 | VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 208,781 | 528.2K $ | as of Mar 31, 2026 · Original filing | |
| 3 | VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 90,616 | 229.3K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 4 | U.S. MICRO CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 46,137 | 125K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 5 | Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 44,390 | 123K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 6 | U.S. SMALL CAP PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 31,665 | 85.8K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 7 | Fidelity Total Market Index Fund Fidelity Concord Street Trust | 19,731 | 54.7K $ | as of Feb 28, 2026 · Original filing | |
| 8 | Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 15,054 | 41.7K $ | 0.00 % | as of Feb 28, 2026 · Original filing |
| 9 | Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 11,134 | 30.8K $ | as of Feb 28, 2026 · Original filing | |
| 10 | LVIP Dimensional U.S. Core Equity 2 Fund LINCOLN VARIABLE INSURANCE PRODUCTS TRUST | 7,146 | 18.1K $ | 0.00 % | as of Mar 31, 2026 · Original filing |
| 11 | U.S. Sustainability Core 1 Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 4,622 | 12.5K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 12 | U.S. CORE EQUITY 2 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 4,203 | 11.4K $ | as of Apr 30, 2026 · Original filing | |
| 13 | Dimensional US Core Equity 1 ETF Dimensional ETF Trust | 3,526 | 9.6K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 14 | Dimensional U.S. Equity Market ETF Dimensional ETF Trust | 3,489 | 9.5K $ | as of Apr 30, 2026 · Original filing | |
| 15 | Dimensional US Sustainability Core 1 ETF Dimensional ETF Trust | 3,442 | 9.3K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 16 | U.S. Social Core Equity 2 Portfolio DFA INVESTMENT DIMENSIONS GROUP INC | 1,818 | 4.9K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 17 | U.S. VECTOR EQUITY PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 1,500 | 4.1K $ | 0.00 % | as of Apr 30, 2026 · Original filing |
| 18 | U.S. CORE EQUITY 1 PORTFOLIO DFA INVESTMENT DIMENSIONS GROUP INC | 1,413 | 3.8K $ | as of Apr 30, 2026 · Original filing | |
| 19 | Dimensional U.S. Core Equity 2 ETF Dimensional ETF Trust | 1,148 | 3.1K $ | as of Apr 30, 2026 · Original filing |
Institutional managers
25 managers declare this company to the SEC (Form 13F). These positions are not counted in the totals above: a manager and its own funds file separately.
| Manager | Shares | Value | |
|---|---|---|---|
| Kanen Wealth Management LLC | 839,421 | 2.1M $ | as of Mar 31, 2026 |
| RENAISSANCE TECHNOLOGIES LLC | 407,643 | 1M $ | as of Mar 31, 2026 |
| Penbrook Management LLC | 356,850 | 902.8K $ | as of Mar 31, 2026 |
| Kovack Advisors, Inc. | 267,981 | 635.1K $ | as of Mar 31, 2026 |
| DIMENSIONAL FUND ADVISORS LP | 140,679 | 355.9K $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 86,867 | 219.8K $ | as of Mar 31, 2026 |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 74,641 | 188.8K $ | as of Mar 31, 2026 |
| Steward Partners Investment Advisory, LLC | 43,472 | 110K $ | as of Mar 31, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 26,837 | 67.9K $ | as of Mar 31, 2026 |
| LPL Financial LLC | 22,545 | 57K $ | as of Mar 31, 2026 |
| JAMES INVESTMENT RESEARCH, INC. | 22,402 | 56.7K $ | as of Mar 31, 2026 |
| Legato Capital Management LLC | 17,550 | 44.4K $ | as of Mar 31, 2026 |
| BlackRock, Inc. | 17,015 | 43K $ | as of Mar 31, 2026 |
| STATE STREET CORP | 16,170 | 40.9K $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 13,788 | 34.9K $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 13,476 | 34.1K $ | as of Mar 31, 2026 |
| NewEdge Advisors, LLC | 22,402 | 22.4K $ | as of Mar 31, 2026 |
| SIMPLEX TRADING, LLC | 2,759 | 7K $ | as of Mar 31, 2026 |
| Tower Research Capital LLC (TRC) | 1,681 | 4.3K $ | as of Mar 31, 2026 |
| UBS Group AG | 941 | 2.4K $ | as of Mar 31, 2026 |
| ACADIAN ASSET MANAGEMENT LLC | 124,119 | 313 $ | as of Mar 31, 2026 |
| GROUP ONE TRADING LLC | 100 | 253 $ | as of Mar 31, 2026 |
| BARD ASSOCIATES INC | 100 | 253 $ | as of Mar 31, 2026 |
| HUNTINGTON NATIONAL BANK | 1 | 3 $ | as of Mar 31, 2026 |
| SBI Securities Co., Ltd. | 1 | 3 $ | as of Mar 31, 2026 |