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Data I/O Corp
DAIO
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3.880
USD
-0.060
-1.52%
Close 07/01, 16:00(ET)
Quotes delayed by 15 min
0.000
USD
0.000
Pre-market 07/02, 09:30 (ET)
36.45M
Market Cap
Loss
P/E TTM
Data I/O Corp
3.880
-0.060
-1.52%
Overview
Financials
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Analysis
Company
Profile
Revenue
Shareholders
Corporate
Overview
Financials
Discussions
Analysis
Company
Profile
Revenue
Shareholders
Corporate
Shareholding Stats
Updated: Sun, May 10
Updated: Sun, May 10
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Kanen Wealth Management, LLC
8.94%
Renaissance Technologies LLC
4.66%
Penbrook Management, LLC
3.80%
Vanguard Capital Management, LLC
3.19%
Kovack Advisors Inc
2.85%
Other
76.57%
Shareholders
Shareholders
Proportion
Kanen Wealth Management, LLC
8.94%
Renaissance Technologies LLC
4.66%
Penbrook Management, LLC
3.80%
Vanguard Capital Management, LLC
3.19%
Kovack Advisors Inc
2.85%
Other
76.57%
Shareholder Types
Shareholders
Proportion
Investment Advisor/Hedge Fund
14.23%
Investment Advisor
12.04%
Hedge Fund
5.03%
Individual Investor
4.93%
Research Firm
0.02%
Other
63.75%
Institutional Shareholding
Updated: Wed, Apr 1
Updated: Wed, Apr 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2026Q1
50
2.94M
31.32%
-347.40K
2025Q4
46
3.20M
35.97%
--
2025Q3
49
3.20M
36.17%
-19.19K
2025Q2
48
3.22M
34.57%
+169.19K
2025Q1
48
3.07M
35.76%
-236.11K
2024Q4
49
3.14M
35.23%
-28.19K
2024Q3
51
3.17M
39.00%
-117.92K
2024Q2
52
3.29M
39.95%
-70.55K
2024Q1
51
3.36M
40.38%
-287.11K
2023Q4
50
2.86M
40.90%
-512.40K
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Kanen Wealth Management, LLC
839.42K
8.94%
--
--
Dec 31, 2025
Renaissance Technologies LLC
437.64K
4.66%
-39.20K
-8.22%
Dec 31, 2025
Penbrook Management, LLC
356.85K
3.8%
+4.10K
+1.16%
Dec 31, 2025
Kovack Advisors Inc
268.91K
2.86%
+5.67K
+2.16%
Dec 31, 2025
Dimensional Fund Advisors, L.P.
180.25K
1.92%
-80.88K
-30.97%
Dec 31, 2025
Acadian Asset Management LLC
125.22K
1.33%
-8.00K
-6.01%
Dec 31, 2025
Geode Capital Management, L.L.C.
104.58K
1.11%
+2.97K
+2.92%
Dec 31, 2025
Brown (Douglas Wells)
101.76K
1.08%
+20.30K
+24.92%
May 15, 2025
Dibona (Charles Joseph)
100.00K
1.06%
+100.00K
--
Sep 01, 2025
View more
Related ETFs
Updated: Sat, Dec 6
Updated: Sat, Dec 6
Name
Proportion
iShares Core S&P Total U.S. Stock Market ETF
0%
DFA Dimensional US Small Cap Value ETF
0%
Dimensional US Core Equity 1 ETF
0%
DFA Dimensional US Sustainability Core 1 ETF
0%
iShares Micro-Cap ETF
0%
iShares Core S&P Total U.S. Stock Market ETF
Proportion
0%
DFA Dimensional US Small Cap Value ETF
Proportion
0%
Dimensional US Core Equity 1 ETF
Proportion
0%
DFA Dimensional US Sustainability Core 1 ETF
Proportion
0%
iShares Micro-Cap ETF
Proportion
0%