Data I/ODAIO
13F holders, Q2 2024 (June 30)At the end of Q2 2024, 32 institutions reported holding Data I/O Corp. (DAIO) in their 13F filings, unchanged from Q1 2024. 3 opened new positions and 3 sold out. The largest holders were Kanen Wealth Management LLC ($2.3M), Renaissance Technologies ($1.4M) and Vanguard Group Inc. ($999K). 2 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Data I/O Corp.
- CUSIP
- 237690102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2024 → Q2 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 3 | $58K |
| Exits | 3 | $8K |
All 13F filers, Q1 2024 → Q2 2024: 44,319 shares bought and 114,412 shares sold, net −70,093 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 32 holders
| Kanen Wealth Management LLC | 1.43% | No change | 834,421 | $2.3M |
| Renaissance Technologies | 0.00% | Reduce -1.9% | 517,543 | $1.4M |
| Vanguard Group Inc. | 0.00% | Add +3.0% | 361,854 | $999K |
| Kovack Advisors, Inc. | 0.10% | Reduce -1.7% | 321,601 | $888K |
| Penbrook Management LLC | 0.53% | No change | 312,050 | $861K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -6.1% | 248,975 | $687K |
| Acadian Asset Management LLC | 0.00% | No change | 146,540 | $404K |
| Bank of New York Mellon Corp | 0.00% | No change | 116,751 | $322K |
| Geode Capital Management, LLC | 0.00% | Add +7.8% | 73,708 | $203K |
| Zacks Investment Management | 0.00% | No change | 49,900 | $138K |
| Perritt Capital Management Inc | 0.07% | No change | 49,374 | $136K |
| Susquehanna International Group, LLP | 0.00% | Add +21.4% | 33,982 | $94K |
| Essex Investment Management Co. LLC | 0.01% | Reduce -65.4% | 28,384 | $78K |
| BlackRock Inc. | 0.00% | Reduce -30.6% | 26,654 | $74K |
| Bard Associates Inc. | 0.03% | Add +4.4% | 25,425 | $70K |
| Perkins Coie Trust Co | 0.01% | New | 20,500 | $56K |
| Northern Trust Corp. | 0.00% | Reduce -5.3% | 19,211 | $53K |
| State Street Corp. | 0.00% | No change | 16,170 | $45K |
| Salem Investment Counselors Inc. | 0.00% | No change | 15,796 | $44K |
| Citadel Advisors | 0.00% | Reduce -46.8% | 15,546 | $43K |
| James Investment Research, Inc. | 0.01% | No change | 15,402 | $43K |
| NewEdge Advisors, LLC | 0.00% | No change | 15,402 | $43K |
| Janney Montgomery Scott LLC | 0.00% | No change | 13,452 | $37K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -10.1% | 2,450 | $7K |
| Simplex Trading, LLC | 0.00% | Add +40.4% | 1,262 | $3K |
| Caldwell Sutter Capital, Inc. | 0.00% | No change | 588 | $2K |
| Innealta Capital, LLC | 0.00% | New | 472 | $1K |
| Bank of America Corp. | 0.00% | New | 65 | $179 |
| JPMorgan Chase & Co. | 0.00% | No change | 19 | $52 |
| Huntington National Bank | 0.00% | No change | 1 | $3 |
| Wells Fargo & Company | 0.00% | Reduce -98.4% | 1 | $1 |
| Royal Bank of Canada | 0.00% | Add +264.3% | 102 | $0 |
"% of holder's portfolio" is DAIO's weight in each manager's 13F, not the share of Data I/O Corp. the manager owns.