Quick Takeaways
- RENAISSANCE TECHNOLOGIES LLC filed SCHEDULE 13G/A for DATA I/O CORP Common Stock (DAIO).
- Disclosed ownership: 4.7%.
- Date of event: 31 Dec 2025.
RENAISSANCE TECHNOLOGIES LLC - 31 Dec 2025 SCHEDULE 13G/A Report for DATA I/O CORP Common Stock (DAIO)
- Filing Manager
- RENAISSANCE TECHNOLOGIES LLC
- Reporting Manager
- Renaissance Technologies LLC
- Security
- DATA I/O CORP Common Stock
- Symbol
- DAIO
- Shares outstanding
- 9,391,352 shares
- Disclosed Ownership
- 437,637 shares
- Ownership
- 4.7%
- Form type
- SCHEDULE 13G/A
- Filing time
- 12 Feb 2026, 14:12:31 UTC
- Date of event
- 31 Dec 2025
- SEC
- View on sec.gov
Quoteable Key Fact
"RENAISSANCE TECHNOLOGIES LLC disclosed 4.7% ownership in DATA I/O CORP Common Stock (DAIO) on 31 Dec 2025."
What Changed
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 12 Feb 2026, 14:12.
Why This Matters
- This page explains what this Schedule 13D/13G filing tells you before manager-level rows.
- You can verify ownership claims directly against the original SEC filing.
Source Evidence
Backed by Schedule 13D/13G
See Original Filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting Managers (2)
| Name | Ownership | Shares Owned | sole voting power | shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| Renaissance Technologies LLC | 4.7% | 437,637 | 437,637 | 0 | Brian Felczak | Chief Financial Officer | |
| Renaissance Technologies Holdings Corporation | 4.7% | 437,637 | 437,637 | 0 | Brian Felczak | Vice President |