DATA I/O CORP DAIO

US Technology Instruments For Meas & Testing of Electricity & Elec Signals
$3.76
-3.1%
52w: $2.17 – $4.26

Latest 13F among current holders filed 32 days ago (Jun 3, 2026)

Price — last 12 months

research preview data
2.173.214.26
Jun 20, 2025 Jul 2, 2026
Institutional holders
29
+2 QoQ
13F value
$7.2M
-14.5% QoQ
Smart-money holders
2
signal tier ≥ 2
New smart buyers
0
Q1 2026
Options barometer
1.0×
$133K calls / $139K puts

Institutional value by quarter

$21.4M
Q1 2024
$9.1M
Q2 2024
$8.1M
Q3 2024
$8.7M
Q4 2024
$7.5M
Q1 2025
$10.6M
Q2 2025
$10.7M
Q3 2025
$8.4M
Q4 2025
$7.2M
Q1 2026

Number of holders

33
Q1 2024
33
Q2 2024
30
Q3 2024
30
Q4 2024
27
Q1 2025
27
Q2 2025
26
Q3 2025
27
Q4 2025
29
Q1 2026

Who owns DAIO?

Q1 2026 filings
FundTypeSharesValue% of fundChange
Kanen Wealth Management LLC ★3Fundamental concentrated839.4K$2.1M0.8%Held
RENAISSANCE TECHNOLOGIES LLC Quant stat arb407.6K$1.0M0.0%-6.9%
Penbrook Management LLC ★2Fundamental diversified356.9K$903K0.7%Held
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical299.4K$757K0.0%
Kovack Advisors, Inc. Other268.0K$635K0.0%-0.3%
DIMENSIONAL FUND ADVISORS LP Quant stat arb140.7K$356K0.0%-22.0%
ACADIAN ASSET MANAGEMENT LLC Quant stat arb124.1K$313K0.0%-0.9%
GEODE CAPITAL MANAGEMENT, LLC Index provider86.9K$220K0.0%-16.9%
ESSEX INVESTMENT MANAGEMENT CO LLC Other74.6K$189K0.0%Held
VANGUARD FIDUCIARY TRUST CO Diversified mechanical45.9K$116K0.0%
Steward Partners Investment Advisory, LLC Diversified mechanical43.5K$110K0.0%Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP Market maker26.8K$68K0.0%+71.0%
LPL Financial LLC Bank broker22.5K$57K0.0%New
NewEdge Advisors, LLC Diversified mechanical22.4K$57K0.0%Held
JAMES INVESTMENT RESEARCH, INC. Other22.4K$57K0.0%Held
Legato Capital Management LLC Other17.6K$44K0.0%Held
BlackRock, Inc. Index provider17.0K$43K0.0%Held
STATE STREET CORP Index provider16.2K$41K0.0%Held
GOLDMAN SACHS GROUP INC Bank broker13.8K$35K0.0%New
NORTHERN TRUST CORP Index provider13.5K$34K0.0%Held
Vanguard Global Advisers, LLC Diversified mechanical5.1K$13K0.0%
SIMPLEX TRADING, LLC Market maker2.8K$7K0.0%+42.8%
Tower Research Capital LLC (TRC) Market maker1.7K$4K0.0%-21.1%
UBS Group AG Bank broker941$2K0.0%New
GROUP ONE TRADING LLC Market maker100$2530.0%New
BARD ASSOCIATES INC Other100$2530.0%Held
SBI Securities Co., Ltd. Diversified mechanical1$30.0%Held
HUNTINGTON NATIONAL BANK Diversified mechanical1$30.0%Held
ROYAL BANK OF CANADA Bank broker136$00.0%+23.6%

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