Ownership history in RENAISSANCE TECHNOLOGIES LLC · 83 quarters on record
This page tracks every 13F SEC filing in which RENAISSANCE TECHNOLOGIES LLC reported a position in DATA I O CORP (DAIO). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.
| Quarter | Action | Shares | Change | Chg % | % of Fund | Mkt Value | Price (EOQ) |
|---|---|---|---|---|---|---|---|
| 2025 Q4 | REDUCED | 437,637 | -39,197 | -8.2% | 0.00% | $1.4M | $3.17 |
| 2025 Q3 | ADDED | 476,834 | +491 | +0.1% | 0.00% | $1.6M | $3.34 |
| 2025 Q2 | REDUCED | 476,343 | -3,272 | -0.7% | 0.00% | $1.5M | $3.10 |
| 2025 Q1 | REDUCED | 479,615 | -24,028 | -4.8% | 0.00% | $1.2M | $2.45 |
| 2024 Q4 | ADDED | 503,643 | +3,654 | +0.7% | 0.00% | $1.4M | $2.77 |
| 2024 Q3 | REDUCED | 499,989 | -17,554 | -3.4% | 0.00% | $1.3M | $2.57 |
| 2024 Q2 | REDUCED | 517,543 | -10,055 | -1.9% | 0.00% | $1.4M | $2.76 |
| 2024 Q1 | REDUCED | 527,598 | -15,045 | -2.8% | 0.00% | $1.9M | $3.52 |
| 2023 Q4 | ADDED | 542,643 | +11,188 | +2.1% | 0.00% | $1.6M | $2.94 |
| 2023 Q3 | ADDED | 531,455 | +6,912 | +1.3% | 0.00% | $2.0M | $3.81 |
As of 2025 Q4 — sorted by position size