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Who owns Data I/O (DAIO) stock

33 funds reported Data I/O (DAIO) shares in their latest 13F filings, worth $12.8M in all. The largest holder is Kanen Wealth Management LLC ($3.3M). Last quarter 16 funds added to their stakes and 9 cut them.

Largest holders of DAIO (13F)Largest holders of DAIO (13F)Kanen Wealth Management LLC$3.3MRenaissance Technologies LLC$1.5MVanguard Capital Management LLC$1.3MVanguard Group$1.1MKovack Advisors$1.1MPenbrook Management LLC$1.0MDimensional Fund Advisors LP$554KGeode Capital Management, LLC$453KAcadian Asset Management LLC$427KCitadel Advisors LLC$342K

Largest holders (13F)

FundSharesValueChangeQuarter
Kanen Wealth Management LLC839,421$3.3Munchanged2026-06-30
Renaissance Technologies LLC392,443$1.5Mdecrease2026-06-30
Vanguard Capital Management LLC323,672$1.3Mincrease2026-06-30
Vanguard Group350,374$1.1Mdecrease2025-12-31
Kovack Advisors285,481$1.1Mincrease2026-06-30
Penbrook Management LLC355,850$1.0Munchanged2026-09-30
Dimensional Fund Advisors LP140,679$554Kunchanged2026-06-30
Geode Capital Management, LLC115,057$453Kincrease2026-06-30
Acadian Asset Management LLC108,582$427Kdecrease2026-06-30
Citadel Advisors LLC86,869$342Knew2026-06-30
Vanguard Fiduciary Trust58,643$231Kincrease2026-06-30
Essex Investment Management Co LLC74,558$218Kunchanged2026-09-30
Susquehanna International Group, LLP48,548$191Kincrease2026-06-30
Steward Partners Investment Advisory, LLC43,472$171Kunchanged2026-06-30
Thompson Davis23,533$93Knew2026-06-30

Data I/O's latest quarter

Data I/O, Q2 FY26: revenue $5.1M (-13% year over year), operating margin -14.1%, net loss $1.6M, operating cash flow −$2.9M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most DAIO stock?

By the latest 13F filings: Kanen Wealth Management LLC ($3.3M); Renaissance Technologies LLC ($1.5M); Vanguard Capital Management LLC ($1.3M); Vanguard Group ($1.1M); Kovack Advisors ($1.1M).

What is the short interest in DAIO?

7,033 shares were sold short at the 2026-10-15 settlement, -55.14% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.