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, Q2 2021
Institutional positions in Data I/O Corp as of Jun 30, 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
- 30
- 0 vs. Q1 2021
- Shares held
- 3.62M
- +200.8K (+5.9%) vs. Q1 2021
- Total value
- $24.7M
- +$6.10M (+32.9%) vs. Q1 2021
- New holders
- 3
- 14 more added
- Sold out
- 3
- 9 more reduced
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Data I/O Corp; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 662,643 | $4.51M | 0.01% | +10,600+1.6% | Added |
| AIGH Capital Management LLC | 418,310 | $2.85M | 0.77% | +40,000+10.6% | Added |
| Penbrook Management LLC | 349,950 | $2.38M | 1.50% | −7,300−2.0% | Reduced |
| Vanguard Group Inc | 331,391 | $2.26M | 0.00% | +5,124+1.6% | Added |
| Dimensional Fund Advisors LP | 318,818 | $2.17M | 0.00% | −4,110−1.3% | Reduced |
| Kovack Advisors, Inc. | 303,615 | $2.07M | 0.24% | +1,752+0.6% | Added |
| United Capital Financial Advisers, LLC | 216,800 | $1.48M | 0.01% | −14,067−6.1% | Reduced |
| Kanen Wealth Management LLC | 208,731 | $1.42M | 0.32% | +208,731 | New |
| Acadian Asset Management LLC | 194,919 | $1.33M | 0.00% | +6,802+3.6% | Added |
| Janney Montgomery Scott LLC | 127,700 | $870.0K | 0.00% | −69,200−35.1% | Reduced |
| Apis Capital Advisors, LLC | 100,000 | $681.0K | 0.59% | +16,456+19.7% | Added |
| Worth Venture Partners, LLC | 99,266 | $676.0K | 0.25% | +9,303+10.3% | Added |
| BlackRock Inc. | 47,007 | $320.0K | 0.00% | +22,397+91.0% | Added |
| Perritt Capital Management Inc | 45,000 | $306.0K | 0.16% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 42,503 | $289.0K | 0.00% | +2,065+5.1% | Added |
| Cannell Peter B & Co Inc | 32,000 | $218.0K | 0.01% | 00.0% | Unchanged |
| Bard Associates Inc | 22,425 | $153.0K | 0.05% | 00.0% | Unchanged |
| Northern Trust Corp | 22,042 | $150.0K | 0.00% | +32+0.1% | Added |
| GWM Advisors LLC | 16,721 | $114.0K | 0.00% | −1,002−5.7% | Reduced |
| James Investment Research Inc | 16,721 | $113.0K | 0.01% | −1,002−5.7% | Reduced |
| Greenhaven Road Investment Management, L.P. | 18,263 | $99.0K | 0.02% | +3,792+26.2% | Added |
| Axiom Investment Management LLC | 10,200 | $69.0K | 0.05% | 00.0% | Unchanged |
| Morgan Stanley | 6,396 | $44.0K | 0.00% | +6,396 | New |
| Royal Bank of Canada | 5,500 | $37.0K | 0.00% | −2,000−26.7% | Reduced |
| Advisor Group Holdings, Inc. | 3,200 | $22.0K | 0.00% | +2,600+433.3% | Added |
| JPMorgan Chase & Co | 2,983 | $20.0K | 0.00% | −188−5.9% | Reduced |
| UBS Group AG | 1,194 | $8.00K | 0.00% | +1,180+8,428.6% | Added |
| O'Shaughnessy Asset Management, LLC | 90 | $1.00K | 0.00% | +90 | New |
| Bank of America Corp | 36 | $0 | 0.00% | +5+16.1% | Added |
| Wells Fargo & Company | 47 | $0 | 0.00% | −23−32.9% | Reduced |
| California Public Employees Retirement System | 0 | $0 | 0.00% | −26,783−100.0% | Sold out |
| Cable Hill Partners, LLC | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −822−100.0% | Sold out |