Data I/O Corp
DAIO- Exchange
- Nasdaq
- Industry
- Instruments For Meas & Testing of Electricity & Elec Signals
- SEC CIK
- 0000351998
No open-market purchases or sales by Data I/O Corp insiders were filed in the last 90 days; 35 institutions reported holding it in 13F filings for Q2 2026, worth $12.2M in total; no superinvestor holds it.
13F holders, Q4 2023
Institutional positions in Data I/O Corp as of Dec 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 30
- +1 vs. Q3 2023
- Shares held
- 2.85M
- −512.4K (−15.2%) vs. Q3 2023
- Total value
- $8.39M
- −$4.37M (−34.3%) vs. Q3 2023
- New holders
- 3
- 8 more added
- Sold out
- 2
- 10 more reduced
Compare with Q3 2023: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting DAIO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 35 | $12.2M |
| Q1 2026 | 29 | $7.22M |
| Q4 2025 | 27 | $8.44M |
| Q3 2025 | 26 | $10.7M |
| Q2 2025 | 26 | $9.93M |
| Q1 2025 | 26 | $7.51M |
| Q4 2024 | 29 | $8.69M |
| Q3 2024 | 29 | $8.14M |
| Q2 2024 | 32 | $9.06M |
| Q1 2024 | 32 | $11.8M |
| Q4 2023 | 30 | $8.39M |
| Q3 2023 | 29 | $12.8M |
| Q2 2023 | 29 | $14.4M |
| Q1 2023 | 30 | $16.2M |
| Q4 2022 | 30 | $11.1M |
| Q3 2022 | 28 | $8.94M |
| Q2 2022 | 28 | $10.3M |
| Q1 2022 | 29 | $14.0M |
| Q4 2021 | 29 | $14.8M |
| Q3 2021 | 32 | $23.4M |
| Q2 2021 | 30 | $24.7M |
| Q1 2021 | 30 | $18.6M |
Institutions, Q4 2023
Shares, value and share of portfolio for each institution holding Data I/O Corp; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 542,643 | $1.59M | 0.00% | +11,188+2.1% | Added |
| Kanen Wealth Management LLC | 347,294 | $1.02M | 0.71% | −459,234−56.9% | Reduced |
| Penbrook Management LLC | 342,350 | $1.01M | 0.68% | −1,900−0.6% | Reduced |
| Kovack Advisors, Inc. | 333,701 | $981.1K | 0.12% | −11,400−3.3% | Reduced |
| Vanguard Group Inc | 329,369 | $968.3K | 0.00% | +413+0.1% | Added |
| Dimensional Fund Advisors LP | 270,198 | $794.4K | 0.00% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 146,540 | $430.0K | 0.00% | 00.0% | Unchanged |
| Bank of New York Mellon Corp | 121,535 | $357.3K | 0.00% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 66,276 | $194.9K | 0.00% | 00.0% | Unchanged |
| Essex Investment Management Co LLC | 63,937 | $188.0K | 0.04% | −23,228−26.6% | Reduced |
| Zacks Investment Management | 49,900 | $146.7K | 0.00% | 00.0% | Unchanged |
| Perritt Capital Management Inc | 49,374 | $145.2K | 0.08% | +4,475+10.0% | Added |
| BlackRock Inc. | 36,401 | $107.0K | 0.00% | −222−0.6% | Reduced |
| Citadel Advisors LLC | 25,348 | $74.5K | 0.00% | +11,849+87.8% | Added |
| Bard Associates Inc | 24,250 | $71.3K | 0.03% | +2,175+9.9% | Added |
| Northern Trust Corp | 20,125 | $59.2K | 0.00% | −1,021−4.8% | Reduced |
| State Street Corp | 16,170 | $47.5K | 0.00% | 00.0% | Unchanged |
| Susquehanna International Group, LLP | 15,503 | $45.6K | 0.00% | −15,996−50.8% | Reduced |
| James Investment Research Inc | 15,402 | $45.3K | 0.01% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 15,452 | $45.0K | 0.00% | −5,400−25.9% | Reduced |
| GWM Advisors LLC | 15,402 | $43.7K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 2,900 | $8.53K | 0.00% | +615+26.9% | Added |
| Advisor Group Holdings, Inc. | 1,600 | $4.70K | 0.00% | −7,900−83.2% | Reduced |
| Morgan Stanley | 1,000 | $2.94K | 0.00% | −49−4.7% | Reduced |
| UBS Group AG | 857 | $2.52K | 0.00% | +857 | New |
| Royal Bank of Canada | 185 | $1.00K | 0.00% | +185 | New |
| Wells Fargo & Company | 62 | $182 | 0.00% | +3+5.1% | Added |
| JPMorgan Chase & Co | 13 | $38 | 0.00% | +4+44.4% | Added |
| Bank of America Corp | 5 | $15 | 0.00% | +5 | New |
| Huntington National Bank | 1 | $3 | 0.00% | 00.0% | Unchanged |
| US Bancorp | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Greenhaven Road Investment Management, L.P. | 0 | $0 | 0.00% | −17,315−100.0% | Sold out |