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RIO · Basic Materials

RIO TINTO PLC

Europe Basic Materials Filing: 2025-12-31
Smart-money confidence · 1 of 3 sources firing
Weak — few signals

No standout activity across the feeds we track.

Hedge funds
45
Congress
No data
Insiders
No data
Cross-source blend of hedge-fund breadth, Congress trades, and insider Form 4s.  ·  how the score works
◆ Next steps Interested in RIO TINTO PLC? Here's what to do with it.
Not financial advice. Bogen Capital surfaces public SEC filings — you decide what to do with them.
Market cap
$147.9B
Industry
Other Industrial Metals & Mining
Sector
Basic Materials
Exchange
NYSE
About RIO TINTO PLC

Rio Tinto Group engages in exploring, mining, and processing mineral resources worldwide. The company operates through Iron Ore; Aluminium and lithium; and Copper segments. The Iron Ore segment engages in the iron ore mining, and salt and gypsum production in Western Australia. The Aluminum and lithium segment is involved in bauxite mining; alumina refining; and aluminium smelting, and recycling, as well as mining and processing of lithium. The Copper segment engages in mining and refining of copper, gold, silver, molybdenum, and other by-products and exploration activities. It also owns and…

Who's behind the signal
Every informed buyer we can see on RIO, across all three feeds.
Hedge funds · 8
Citadel Advisors Increased +51%
Baillie Gifford & Co Increased +51%
AQR Capital Management Increased +70%
+2 more in the full breakdown below ↓
Congress · 0
No congressional trades on record.
Insiders
No significant Form 4 insider activity in the window.
Congressional trade history · 1
Every disclosed buy & sell on record — STOCK Act filings
Trade date Member Chamber Action Amount
2020-11-16 Thomas R Carper Senate BOUGHT $1,001 - $15,000
Not a model pick — but on our radar. RIO TINTO PLC isn't in the top-10 model right now, but 8 tracked investors hold it. Everything below is real signal from public filings — treat this as a watch candidate, not a conviction call.
8
Investors
1
New positions
5
Increasing
2
Decreasing
0
Unchanged
Price History
Loading price data...
Return: High: Low:
Who's Holding This Stock
Position sizes and recent activity from tracked institutional investors
Trust weight: 1.2×
New position
% of portfolio
0.1%
Position change
NEW
0.1% of Tudor Investment's portfolio
Trust weight: 1.0×
Increased +51%
% of portfolio
0.0%
Position change
+51%
0.0% of Citadel Advisors's portfolio
Trust weight: 1.1×
Increased +3%
% of portfolio
0.0%
Position change
+3%
0.0% of Gotham Asset Mgmt's portfolio
Trust weight: 1.4×
Increased +51%
% of portfolio
0.0%
Position change
+51%
0.0% of Baillie Gifford & Co's portfolio
Trust weight: 1.3×
Increased +132%
% of portfolio
0.0%
Position change
+132%
0.0% of Bridgewater Associates's portfolio
Trust weight: 1.0×
Increased +70%
% of portfolio
0.0%
Position change
+70%
0.0% of AQR Capital Management's portfolio
Trust weight: 1.0×
Decreased −81%
% of portfolio
0.0%
Position change
−81%
0.0% of Millennium Management's portfolio
Trust weight: 1.0×
Decreased −99%
% of portfolio
0.0%
Position change
−99%
0.0% of D.E. Shaw & Co's portfolio
Portfolio Allocation
How much of each investor's portfolio is allocated to RIO TINTO PLC
⚠ Disclaimer: This page is for informational purposes only. Holdings data from SEC EDGAR 13F filings, delayed up to 135 days. Not a recommendation to buy or sell RIO TINTO PLC or any security.

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