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Data I/O (DAIO)
NASDAQ
$3.85-$0.005 (-0.13%)
Price as of Jun 23, 2026 4:11 PM EDT- $34.8MMarket Cap
- 32.76%1-Year Change
- Electronic ComponentsIndustry
Data I/O (DAIO)
$3.85-$0.005 (-0.13%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
KANEN WEALTH MANAGEMENT LLC | 8.94% | 839,421 | 0 (0.00%) | Mar 31, 2026 |
RENAISSANCE TECHNOLOGIES LLC | 4.34% | 407,643 | -29,994 (-7.36%) | Mar 31, 2026 |
PENBROOK MANAGEMENT LLC | 3.80% | 356,850 | 0 (0.00%) | Mar 31, 2026 |
VANGUARD GROUP INC | 3.73% | 350,374 | -8,084 (-2.31%) | Dec 31, 2025 |
N/A | 3.19% | 299,397 | +299,397 (+100.00%) | Mar 31, 2026 |
KOVACK ADVISORS, INC. | 2.85% | 267,981 | -925 (-0.35%) | Mar 31, 2026 |
DIMENSIONAL FUND ADVISORS LP | 1.50% | 140,679 | -39,570 (-28.13%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
World Funds Trust | 3.49% | 327,401 | 0 (0.00%) | Apr 30, 2026 |
VANGUARD INDEX FUNDS | 3.19% | 299,397 | 0 (0.00%) | Mar 31, 2026 |
DFA INVESTMENT DIMENSIONS GROUP INC | 1.11% | 103,898 | -59,026 (-56.81%) | Jan 31, 2026 |
FIDELITY CONCORD STREET TRUST | 0.96% | 90,309 | +1,058 (+1.17%) | Feb 28, 2026 |
PERRITT FUNDS INC | 0.53% | 49,374 | 0 (0.00%) | Jan 31, 2026 |
BRIDGEWAY FUNDS INC | 0.27% | 25,500 | 0 (0.00%) | Mar 28, 2024 |
Dimensional ETF Trust | 0.20% | 19,037 | -16,100 (-84.57%) | Jan 31, 2026 |
Current Ownership Distribution
- Institutions57.7M (78.34%)
- Mutual Funds12.7M (17.25%)
- Insiders3.2M (4.41%)
- Other0 (0.00%)
Insider Transactions
- 4.41% (3.2M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
DiBona Charles Joseph Vice President & CFO | Award | Sep 01, 2025 | $315,430.00 | 100,000 | $3.15 | 100,000 |
SMITH EDWARD J | Buy | May 07, 2025 | $12,300.00 | 5,000 | $2.46 | 42,815 |
Wentworth William O. President | Buy | May 06, 2025 | $24,998.27 | 10,332 | $2.42 | 45,417 |
Wentworth William O. President | Award | May 02, 2025 | $24,980.60 | 10,585 | $2.36 | 35,085 |
Wentworth William O. President | Buy | May 01, 2025 | $24,980.60 | 10,585 | $2.36 | 35,085 |
Larson Garrett Riley | Award | Jan 23, 2025 | $15,341.52 | 5,272 | $2.91 | 5,272 |
Ng Gerald Yat Vice President CFO | In Kind | Jul 03, 2024 | $15,509.61 | 5,559 | $2.79 | 88,191 |