Data I/O Corp

DAIO

Exchange: Nasdaq
Industry: Instruments For Meas & Testing of Electricity & Elec Signals
SEC CIK: 0000351998

SEC filings (opens in a new tab)

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.

Q1 2023 vs. Q4 2022

How the institutions holding Data I/O Corp changed between Q4 2022 and Q1 2023.

All holders in Q1 2023 All holders in Q4 2022

13F holders of DAIO: Q4 2022 compared with Q1 2023
Measure	Q4 2022	Q1 2023	Change
Holders	30	30	0
Shares	2.78M	3.29M	+504.5K (+18.1%)
Value	$11.1M	$16.2M	+$5.16M (+46.6%)

New holders (1)

Institutions that held Data I/O Corp at the end of Q1 2023 but not at the end of Q4 2022.

Institutions new to DAIO in Q1 2023
Institution	Shares	Value	% of portfolio
Essex Investment Management Co LLC	90,416	$449.4K	0.07%

Sold out (1)

Institutions that held Data I/O Corp at the end of Q4 2022 and filed for Q1 2023 without it.

Institutions that sold out of DAIO in Q1 2023
Institution	Shares, Q4 2022	Value, Q4 2022
Bank of America Corp	16	$64