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 2023
Institutional positions in Data I/O Corp as of Jun 30, 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
- 29
- −1 vs. Q1 2023
- Shares held
- 3.38M
- +87.6K (+2.7%) vs. Q1 2023
- Total value
- $14.4M
- −$1.84M (−11.4%) vs. Q1 2023
- New holders
- 1
- 11 more added
- Sold out
- 2
- 4 more reduced
Compare with Q1 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, Q2 2023
Shares, value and share of portfolio for each institution holding Data I/O Corp; share changes are against Q1 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Kanen Wealth Management LLC | 826,421 | $3.55M | 2.35% | +19,893+2.5% | Added |
| Renaissance Technologies LLC | 524,543 | $2.25M | 0.00% | +500+0.1% | Added |
| Kovack Advisors, Inc. | 353,201 | $1.52M | 0.19% | +7,500+2.2% | Added |
| Penbrook Management LLC | 347,250 | $1.49M | 1.08% | 00.0% | Unchanged |
| Vanguard Group Inc | 328,956 | $1.41M | 0.00% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 269,668 | $1.16M | 0.00% | −1,944−0.7% | Reduced |
| Acadian Asset Management LLC | 219,740 | $942.0K | 0.00% | 00.0% | Unchanged |
| Essex Investment Management Co LLC | 92,196 | $395.5K | 0.06% | +1,780+2.0% | Added |
| Geode Capital Management, LLC | 50,735 | $217.7K | 0.00% | 00.0% | Unchanged |
| Zacks Investment Management | 49,900 | $214.1K | 0.00% | +49,900 | New |
| Perritt Capital Management Inc | 44,899 | $192.6K | 0.11% | 00.0% | Unchanged |
| BlackRock Inc. | 35,304 | $151.5K | 0.00% | +17,591+99.3% | Added |
| Susquehanna International Group, LLP | 32,291 | $138.5K | 0.00% | +3,088+10.6% | Added |
| Janney Montgomery Scott LLC | 28,852 | $124.0K | 0.00% | −2,000−6.5% | Reduced |
| Northern Trust Corp | 22,907 | $98.3K | 0.00% | +109+0.5% | Added |
| Citadel Advisors LLC | 22,757 | $97.6K | 0.00% | +4,639+25.6% | Added |
| Bard Associates Inc | 22,425 | $96.2K | 0.04% | 00.0% | Unchanged |
| GWM Advisors LLC | 22,200 | $95.2K | 0.00% | +6,798+44.1% | Added |
| State Street Corp | 16,170 | $69.4K | 0.00% | 00.0% | Unchanged |
| James Investment Research Inc | 15,402 | $66.1K | 0.01% | 00.0% | Unchanged |
| Millennium Management LLC | 14,811 | $63.5K | 0.00% | −8,214−35.7% | Reduced |
| Advisor Group Holdings, Inc. | 10,400 | $44.6K | 0.00% | +200+2.0% | Added |
| Tower Research Capital LLC (TRC) | 1,619 | $6.95K | 0.00% | −2,032−55.7% | Reduced |
| Morgan Stanley | 1,049 | $4.50K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 500 | $2.15K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 57 | $245 | 0.00% | +2+3.6% | Added |
| UBS Group AG | 50 | $215 | 0.00% | 00.0% | Unchanged |
| Greenhaven Road Investment Management, L.P. | 20,908 | $111 | 0.01% | 00.0% | Unchanged |
| Huntington National Bank | 1 | $4 | 0.00% | 00.0% | Unchanged |
| Cannell Peter B & Co Inc | 0 | $0 | 0.00% | −10,000−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −237−100.0% | Sold out |