Data I/O Corporation
Data I/O Corporation (Nasdaq: DAIO) designs, manufactures and sells electronic-device programming systems and security deployment solutions, including intellectual property protection, security provisioning and related services. Its customers include original equipment manufacturers, electronics manufacturing services… From the company’s description.
Over the twelve months to Jun 30, 2026, Data I/O Corporation reported revenue of $17.77M, down 21.8% from a year earlier, and a net loss of $8.91M. Its operating margin was −43.7%, and operations used $7.16M in cash. In fiscal 2025, it reported revenue of $21.50M, down 1.2% from fiscal 2024, and a net loss of $5.24M.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What Data I/O Corporation does
In the company’s own words
Data I/O Corporation (Nasdaq: DAIO) designs, manufactures and sells electronic-device programming systems and security deployment solutions, including intellectual property protection, security provisioning and related services. Its customers include original equipment manufacturers, electronics manufacturing services providers, contract manufacturers and programming centers that serve automotive, industrial, consumer electronics, wireless and Internet of Things markets. The company’s products program flash memory, microcontrollers, secure elements and other programmable devices; its offerings include automated production systems, manual programmers, adapters, software and maintenance, and services such as device programming and programming at test. Key platforms and products include LumenX, LumenX2, FlashCORE, FlashPAK and SentriX. Data I/O operates as one business focused on programming and security deployment, with adapters and services representing approximately 58% of 2025 revenue. In 2025, it sold to approximately 170 customers worldwide and generated $21.5 million in net sales. Founded in 1972, the company has manufacturing facilities in Redmond, Washington, and Shanghai, China, and sells internationally through subsidiaries, distributors and sales representatives. Its website is www.dataio.com.
Company details
- Sector
- Health Care
- Industry (SIC)
- Medical Instruments
- Headquarters
- REDMOND, WA
- Fiscal year end
- December
- CIK
- 351998
- SIC
- 3825
Financial performance, year by year
Fiscal 2011–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns Data I/O Corporation — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · Data I/O Corporation’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Could not be determined for this company: bond issues.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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