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 2021
Institutional positions in Data I/O Corp as of Dec 31, 2021. 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
- 29
- −3 vs. Q3 2021
- Shares held
- 3.22M
- −366.6K (−10.2%) vs. Q3 2021
- Total value
- $14.8M
- −$8.56M (−36.6%) vs. Q3 2021
- New holders
- 2
- 11 more added
- Sold out
- 5
- 10 more reduced
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Data I/O Corp; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 646,243 | $2.98M | 0.00% | −53,300−7.6% | Reduced |
| Kanen Wealth Management LLC | 593,461 | $2.74M | 0.95% | +364,490+159.2% | Added |
| Penbrook Management LLC | 350,950 | $1.62M | 0.97% | +2,000+0.6% | Added |
| Vanguard Group Inc | 330,939 | $1.53M | 0.00% | −452−0.1% | Reduced |
| Dimensional Fund Advisors LP | 284,732 | $1.31M | 0.00% | −18,394−6.1% | Reduced |
| Kovack Advisors, Inc. | 274,802 | $1.27M | 0.12% | +24,500+9.8% | Added |
| Acadian Asset Management LLC | 225,858 | $1.04M | 0.00% | +6,561+3.0% | Added |
| United Capital Financial Advisers, LLC | 171,364 | $790.0K | 0.00% | −18,468−9.7% | Reduced |
| Geode Capital Management, LLC | 46,621 | $214.0K | 0.00% | 00.0% | Unchanged |
| BlackRock Inc. | 46,041 | $212.0K | 0.00% | +1,276+2.9% | Added |
| Perritt Capital Management Inc | 45,000 | $207.0K | 0.11% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 43,852 | $202.0K | 0.00% | −27,748−38.8% | Reduced |
| Bard Associates Inc | 22,425 | $103.0K | 0.03% | 00.0% | Unchanged |
| Northern Trust Corp | 22,031 | $102.0K | 0.00% | −83−0.4% | Reduced |
| Greenhaven Road Investment Management, L.P. | 19,316 | $89.0K | 0.02% | +176+0.9% | Added |
| James Investment Research Inc | 15,752 | $73.0K | 0.01% | −969−5.8% | Reduced |
| GWM Advisors LLC | 15,752 | $73.0K | 0.00% | −969−5.8% | Reduced |
| Citadel Advisors LLC | 10,655 | $49.0K | 0.00% | +10,655 | New |
| JPMorgan Chase & Co | 10,466 | $48.0K | 0.00% | +5,893+128.9% | Added |
| Axiom Investment Management LLC | 10,200 | $47.0K | 0.05% | 00.0% | Unchanged |
| Cannell Peter B & Co Inc | 10,000 | $46.0K | 0.00% | −22,000−68.8% | Reduced |
| Royal Bank of Canada | 6,500 | $30.0K | 0.00% | +1,000+18.2% | Added |
| Morgan Stanley | 5,628 | $26.0K | 0.00% | +331+6.2% | Added |
| Advisor Group Holdings, Inc. | 2,900 | $13.0K | 0.00% | −2,800−49.1% | Reduced |
| UBS Group AG | 2,863 | $13.0K | 0.00% | +2,683+1,490.6% | Added |
| Tower Research Capital LLC (TRC) | 1,265 | $6.00K | 0.00% | +211+20.0% | Added |
| US Bancorp | 500 | $2.00K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 47 | $0 | 0.00% | 00.0% | Unchanged |
| Bank of America Corp | 15 | $0 | 0.00% | +15 | New |
| AIGH Capital Management LLC | 0 | $0 | 0.00% | −418,310−100.0% | Sold out |
| Worth Venture Partners, LLC | 0 | $0 | 0.00% | −99,266−100.0% | Sold out |
| Apis Capital Advisors, LLC | 0 | $0 | 0.00% | −80,000−100.0% | Sold out |
| Zacks Investment Management | 0 | $0 | 0.00% | −43,550−100.0% | Sold out |
| O'Shaughnessy Asset Management, LLC | 0 | $0 | 0.00% | −90−100.0% | Sold out |