Stocks › Copper › RIO

Rio Tinto RIO

US equityMarket cap rank #145Copper

$83.73 +$0.57 (+0.69%)

Market closed · Nov 7, 9:50 pm ET · Last extended-hours $83.73 0.00%

Open$82.74

Prev close$83.16

Day range$82.39 – $84.35

Volume2.80M

Market cap$136.19B

P/E (TTM)11.3

Dividend yield4.80%

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Institutional ownership82.8%-1.46 pts vs. prior quarter

Institutions holding1,658-17 vs. prior quarter

Short interest0.57% of floatDays to cover 4.6 · as of 15 Oct 2026

Short-sale volume share9.7%5-day average of daily volume

Short-sale volume as % of daily volume

Large-order net flow, last 20 sessions

Net of large-order buying minus selling, in USD. Over this window: −$25.83M (7 inflow days, 13 outflow days).

Net flow by order size, last 20 sessions

Super/Big orders approximate institutional-size trades; Mid/Small approximate retail-size trades. Net buy minus sell value in each bucket, summed over the window.

The five largest holders on file together own 29.4% of shares outstanding.

Largest holders

Aluminum Corporation of China11.23%
BlackRock7.95%
Vanguard Capital Management, LLC3.43%
Australian Super3.37%
State Street Global Advisors3.37%
JPMorgan Chase & Co.1.81%
Norges Bank Investment Management1.75%
HSBC Global Asset Management (UK) Limited1.70%

By investor type

Mutual Fund52.08%
Private Company15.83%
Public Company5.05%
Government Pension Fund4.40%
Sovereign Wealth Fund2.56%
Corporate Pension Plan1.34%
Hedge Fund0.91%
Insurance Company0.19%

Reported short interest has risen from 0.49% to 0.57% of float over the last 6 biweekly reports (31 Jul 2026 to 15 Oct 2026).

Recent institutional activity

Holder	Type	Period	Share change	New stake
JPMorgan Chase & Co.	Public Company	2026/Q3	+12,487,071	1.8%
HSBC Global Asset Management (UK) Limited	Mutual Fund	2026/Q3	+4,424,734	1.7%
Amundi Asset Management	Mutual Fund	2026/Q3	+2,631,543	0.9%
Franklin Resources	Mutual Fund	2026/Q3	+432,713	0.4%
JPMorgan Chase & Co.	Public Company	2026/Q3	+11,670,856	1.8%
HSBC Global Asset Management (UK) Limited	Mutual Fund	2026/Q3	+4,424,047	1.7%
Amundi Asset Management	Mutual Fund	2026/Q3	+2,630,760	0.9%
Natixis S.A.	Private Company	2026/Q3	+2,939,446	0.4%
Merrill Lynch, Pierce, Fenner & Smith Incorporated	Private Company	2026/Q3	+2,368,771	0.3%
CIBC Asset Management Inc.	Mutual Fund	2026/Q3	+2,199,802	0.3%
Aviva Investors Global Services Ltd.	Mutual Fund	2026/Q3	+1,126,389	0.4%
ADG Verto Capital Management S.à.r.l.	Mutual Fund	2026/Q3	+1,118,941	0.3%
ING Groep N.V.	Public Company	2026/Q3	+789,000	0.2%
Coöperatieve Rabobank U.A.	Private Company	2026/Q3	+783,448	0.4%
Abu Dhabi Investment Authority	Sovereign Wealth Fund	2026/Q3	+777,539	0.1%

Institutional buy/sell activity by reporting period, largest moves first.

Short interest, by report

Report date	Shares short	% of float	Days to cover
15 Oct 2026	9,236,257	0.6%	4.6
30 Sep 2026	9,329,476	0.6%	5.2
15 Sep 2026	9,810,781	0.6%	5.7
31 Aug 2026	10,031,942	0.6%	4.3
14 Aug 2026	8,989,331	0.6%	4.2
31 Jul 2026	7,888,602	0.5%	2.7

Discussion

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