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.

Q3 2021 vs. Q2 2021

How the institutions holding Data I/O Corp changed between Q2 2021 and Q3 2021.

All holders in Q3 2021 All holders in Q2 2021

13F holders of DAIO: Q2 2021 compared with Q3 2021
Measure	Q2 2021	Q3 2021	Change
Holders	30	32	+2
Shares	3.62M	3.58M	−41.7K (−1.2%)
Value	$24.7M	$23.4M	−$1.27M (−5.2%)

New holders (3)

Institutions that held Data I/O Corp at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to DAIO in Q3 2021
Institution	Shares	Value	% of portfolio
Zacks Investment Management	43,550	$284.0K	0.00%
Tower Research Capital LLC (TRC)	1,054	$7.00K	0.00%
US Bancorp	500	$3.00K	0.00%

Sold out (1)

Institutions that held Data I/O Corp at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of DAIO in Q3 2021
Institution	Shares, Q2 2021	Value, Q2 2021
Bank of America Corp	36	$0