Data I/ODAIO
13F holders, Q3 2024 (September 30)At the end of Q3 2024, 29 institutions reported holding Data I/O Corp. (DAIO) in their 13F filings, down 3 from Q2 2024. 2 opened new positions and 5 sold out. The largest holders were Kanen Wealth Management LLC ($2.2M), Renaissance Technologies ($1.3M) and Vanguard Group Inc. ($930K). 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 Q2 2024 → Q3 2024
| Institutions | Total Value | |
|---|---|---|
| New Positions | 2 | $514 |
| Exits | 5 | $234K |
All 13F filers, Q2 2024 → Q3 2024: 62,080 shares bought and 170,357 shares sold, net −108,277 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 29 holders
| Kanen Wealth Management LLC | 1.15% | Add +0.6% | 839,421 | $2.2M |
| Renaissance Technologies | 0.00% | Reduce -3.4% | 499,989 | $1.3M |
| Vanguard Group Inc. | 0.00% | No change | 361,854 | $930K |
| Kovack Advisors, Inc. | 0.08% | Reduce -6.3% | 301,206 | $774K |
| Penbrook Management LLC | 0.45% | Reduce -13.0% | 271,450 | $698K |
| Dimensional Fund Advisors LP | 0.00% | Reduce 0.0% | 248,971 | $640K |
| Acadian Asset Management LLC | 0.00% | No change | 146,540 | $376K |
| Bank of New York Mellon Corp | 0.00% | No change | 116,751 | $300K |
| Geode Capital Management, LLC | 0.00% | Add +30.9% | 96,512 | $248K |
| Zacks Investment Management | 0.00% | No change | 49,900 | $128K |
| Citadel Advisors | 0.00% | Add +160.7% | 40,520 | $104K |
| Perkins Coie Trust Co | 0.02% | Add +44.4% | 29,600 | $76K |
| Essex Investment Management Co. LLC | 0.01% | No change | 28,384 | $73K |
| Bard Associates Inc. | 0.02% | Reduce -11.2% | 22,588 | $58K |
| BlackRock, Inc. | 0.00% | — | 17,015 | $44K |
| State Street Corp. | 0.00% | No change | 16,170 | $42K |
| Northern Trust Corp. | 0.00% | Reduce -16.6% | 16,024 | $41K |
| Salem Investment Counselors Inc. | 0.00% | No change | 15,796 | $41K |
| James Investment Research, Inc. | 0.00% | No change | 15,402 | $40K |
| NewEdge Advisors, LLC | 0.00% | No change | 15,402 | $40K |
| Janney Montgomery Scott LLC | 0.00% | No change | 13,452 | $35K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -24.0% | 1,862 | $5K |
| Caldwell Sutter Capital, Inc. | 0.00% | No change | 588 | $2K |
| Planned Solutions, Inc. | 0.00% | New | 100 | $257 |
| Morgan Stanley | 0.00% | New | 100 | $257 |
| Bank of America Corp. | 0.00% | Add +3.1% | 67 | $172 |
| JPMorgan Chase & Co. | 0.00% | No change | 19 | $49 |
| Huntington National Bank | 0.00% | No change | 1 | $3 |
| Wells Fargo & Company | 0.00% | No change | 1 | $1 |
"% of holder's portfolio" is DAIO's weight in each manager's 13F, not the share of Data I/O Corp. the manager owns.