Ownership history in MQS Management LLC · 9 quarters on record
This page tracks every 13F SEC filing in which MQS Management LLC reported a position in RIO TINTO PLC (RIO). 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 Q3 | REDUCED | 3,738 | -15,917 | -81.0% | 0.14% | $247K | $64.21 |
| 2025 Q2 | ADDED | 19,655 | +3,266 | +19.9% | 0.63% | $1.1M | $55.40 |
| 2025 Q1 | ADDED | 16,389 | +12,041 | +276.9% | 0.57% | $985K | $57.06 |
| 2024 Q4 | REDUCED | 4,348 | -12,478 | -74.2% | 7.28% | $256K | $53.89 |
| 2024 Q1 | REDUCED | 16,826 | -6,084 | -26.6% | 0.61% | $1.1M | $56.76 |
| 2023 Q4 | ADDED | 22,910 | +7,054 | +44.5% | 0.95% | $1.7M | $63.67 |
| 2023 Q2 | ADDED | 15,856 | +10,531 | +197.8% | 0.69% | $1.0M | $53.07 |
| 2023 Q1 | REDUCED | 5,325 | -11,606 | -68.5% | 0.23% | $365K | $57.03 |
| 2022 Q3 | INITIATED | 16,931 | — | — | 0.60% | $932K | $44.33 |
As of 2025 Q4 — sorted by position size