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RIO

Rio Tinto PLC

Company with tickers: RIO, RTPPF

CIK
863064
CUSIP
767204100
Shares Outstanding
1,254,501,913
13F Activity (30d)
280 filings 240 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 902
Total Value: $9,081,937,720
Total Shares: 97,351,680
Showing 1–100 of 935 holdings by value · page 1 of 10

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 902 13F filers · Δ vs Dec 31, 2025
Top Holder
20.7%
Jun 2023 → Mar 2026 · range 12.3% – 20.7%
+0.1 pts
Top 5
44.6%
Jun 2023 → Mar 2026 · range 39.0% – 46.3%
−0.2 pts
Top 10
55.4%
Jun 2023 → Mar 2026 · range 48.6% – 62.2%
−0.9 pts
HHI
660
Jun 2023 → Mar 2026 · range 439 – 666
Broadly held−6

Quarterly Activity

vs Dec 31, 2025
New
168
Increased
319
Decreased
245
Sold Out
99
Unchanged
170
Holder count: +69
Institutional value: +19.1%
Shares held: +2.2%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Showing 100 of 935
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Holder Value (USD) % of 13F Shares Open