Data I DAIO Institutional Ownership

Ownership Summary

Data I/O Corp (NASDAQ:DAIO) has 29 institutional investors that have filed 13F reports for the period ending March 2026.

• They owned 30.6% of outstanding stock in March 2026, down from 34.6% the prior quarter.
• They increased total shares held in DAIO by 1.45% quarter over quarter, and investors in Data I increased 7.41% from a year ago.
• Activity in DAIO broke down as 10 buyers, 6 sellers, and 13 unchanged among 29 total holders.
• The aggregate institutional position in Data I amounted to 2.87Mn shares as of March 2026, up by 41.08K shares quarter on quarter, and down 1.03Mn shares year over year.
• Kanen Wealth Management LLC holds the largest position in DAIO at 839.42K shares as of March 31, 2026, or 8.94% of shares outstanding.
• The most significant purchases of DAIO for the quarter ending March 2026 came from VANGUARD CAPITAL MANAGEMENT LLC (299.4K), VANGUARD FIDUCIARY TRUST CO (45.85K), LPL Financial LLC (22.54K), Goldman Sachs Group Inc (13.79K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (11.14K).
• The biggest sellers of Data I for the quarter ending March 2026 included Kovack Advisors, Inc. (269.83K), DIMENSIONAL FUND ADVISORS LP (39.57K), RENAISSANCE TECHNOLOGIES LLC (29.99K), GEODE CAPITAL MANAGEMENT, LLC (17.72K), ACADIAN ASSET MANAGEMENT LLC (1.1K).
• Per Business Quant, the top 10 investors in DAIO for the quarter ending March 2026 include Kanen Wealth Management LLC (839.42K), RENAISSANCE TECHNOLOGIES LLC (407.64K), Penbrook Management LLC (356.85K), VANGUARD CAPITAL MANAGEMENT LLC (299.4K), Kovack Advisors, Inc. (267.98K), DIMENSIONAL FUND ADVISORS LP (140.68K), ACADIAN ASSET MANAGEMENT LLC (124.12K), GEODE CAPITAL MANAGEMENT, LLC (86.87K), ESSEX INVESTMENT MANAGEMENT CO LLC (74.64K), VANGUARD FIDUCIARY TRUST CO (45.85K).