RIO β€” RIO TINTO PLC

Ownership history in MQS Management LLC  Β·  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 β€” sourced directly from SEC EDGAR 13F filings.

πŸ” Peak position
7.28% (2024 Q4)
πŸ“Š Avg. % of fund
1.3%
πŸ“… First filed
2022 Q3
πŸ“… Last filed
2025 Q3
⏱ Quarters held
9

Position Intelligence

MQS Management LLC Γ— RIO AI Analytics

πŸ“‰ MQS Management LLC underperformed the S&P 500 by –12.9% annually on this RIO position. Timing score: 62% (5/8 decisions correct). Average cost basis: $52.72. Maximum drawdown during holding period: –15.4%.

πŸ“ˆ Position Alpha vs SPY
-12.9%
annualised excess return

❌ Significantly underperformed the S&P 500 by 12.9% ann.
8 quarters analyzed

⏱️ Timing Score
62%

βœ… Decent timing β€” more right than wrong on entries and exits.
5 of 8 add/trim decisions correct

πŸ’° Entry Quality
$52.72
+21.8% vs current ($64.21)

Best entry: $44.33 (2022 Q3)  Β·  Worst: $63.67 (2023 Q4)

πŸ›‘οΈ Drawdown Resilience
–15.4%
max drawdown while held

πŸ’Ž No drawdown exceeding 20% during the holding period β€” exceptionally stable.

πŸ’ͺ Fund Conviction
56%
buy-side decisions

5 adds Β· 4 trims. Bought during 2 of 4 down-price quarters. πŸ“ˆ More buys than sells across the holding period.

πŸ“‘ Position Trajectory
↓ Shrinking
last 4–5 quarters trend

πŸ“‰ Portfolio weight has been declining in recent quarters. Possible distribution phase.
Currently 0.14% of portfolio

⚠ Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ— 4 (annualised). Not investment advice.

% of Fund (quarterly)    RIO price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 9 quarters  β–Ύ
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 β€” β€” 0.60% $932K $44.33

🏒 Other funds also holding RIO

As of 2025 Q4 β€” sorted by position size

Palliser Capital (UK) Ltd 3Y 65.83% TLS Advisors LLC 3Y 15.45% MANGROVE PARTNERS IM, LLC 3Y 7Y 6.51% Foresight Global Investors, Inc. 6.42% Catalyst Funds Management Pty Ltd 5.6% SPX Gestao de Recursos Ltda 3Y 7Y 3.83% MORGAN DEMPSEY CAPITAL MANAGEMENT LLC 3Y 7Y 2.07% Impala Asset Management LLC 3Y 7Y 2.03% Kapitalo Investimentos Ltda 1.96% SSA SWISS ADVISORS AG 1.8%
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