Rio Tinto Group (RIO) Ownership
RIO ownership summary
as of October 18, 2026- Institutions
- 10.5% of shares outstanding
- Insiders
- 0.00% of shares outstanding
- Shares outstanding
- 1.25B
- Float
- 1.42B shares available to trade
- Short interest
- 0.87% 9.3M shares short
- Days to cover
- 5.29 short interest down 7.0% vs prior month
- Institutions 10.48%
- Insiders 0.00%
- Other investors 89.52%
RIO top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Fisher Asset Management, LLC | 1.27% | 20.7M | $1.87B | +540,003 (+2.7%) | June 30, 2026 |
| 2 | State Farm Mutual Automobile Ins Co | 0.67% | 10.9M | $987.4M | — | June 30, 2026 |
| 3 | The Goldman Sachs Group Inc | 0.58% | 9.5M | $857.2M | +676,548 (+7.7%) | June 30, 2026 |
| 4 | Morgan Stanley - Brokerage Accounts | 0.30% | 4.9M | $438.3M | −36,145 (−0.7%) | June 30, 2026 |
| 5 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.25% | 4.1M | $368.0M | −162,902 (−3.8%) | June 30, 2026 |
| 6 | Bank of America Corp | 0.21% | 3.4M | $304.7M | −250,134 (−6.9%) | June 30, 2026 |
| 7 | Qube Research & Technologies | 0.17% | 2.8M | $252.5M | +418,675 (+17.6%) | June 30, 2026 |
| 8 | JPMorgan Chase & Co | 0.16% | 2.6M | $230.5M | +602,799 (+30.9%) | June 30, 2026 |
| 9 | BlackRock Inc | 0.15% | 2.5M | $223.5M | +366,557 (+17.4%) | June 30, 2026 |
| 10 | Neuberger Berman Group LLC | 0.15% | 2.4M | $215.9M | −64,989 (−2.6%) | June 30, 2026 |
| 11 | FMR Inc | 0.14% | 2.3M | $209.2M | +136,188 (+6.2%) | June 30, 2026 |
| 12 | Bank of Montreal | 0.13% | 2.2M | $196.8M | +122,629 (+6.0%) | June 30, 2026 |
| 13 | BMO Capital Markets Corp. | 0.13% | 2.2M | $196.8M | +122,629 (+6.0%) | June 30, 2026 |
| 14 | Harding Loevner L.P. | 0.12% | 1.9M | $175.3M | −29,901 (−1.5%) | June 30, 2026 |
| 15 | BNP Paribas Arbitrage, SA | 0.12% | 1.9M | $171.2M | +458,783 (+31.9%) | June 30, 2026 |
| 16 | Natixis Advisors, LLC. | 0.12% | 1.9M | $169.4M | +126,844 (+7.3%) | June 30, 2026 |
| 17 | JONES FINANCIAL COMPANIES LLLP | 0.11% | 1.9M | $168.6M | +141,319 (+8.2%) | June 30, 2026 |
| 18 | Northern Trust Corp | 0.11% | 1.8M | $166.3M | +1,160 (+0.1%) | June 30, 2026 |
| 19 | Grantham, Mayo, Van Otterloo & Co., LLC | 0.11% | 1.8M | $166.1M | −165,702 (−8.3%) | June 30, 2026 |
| 20 | Arrowstreet Capital Limited Partnership | 0.11% | 1.7M | $154.9M | −2.0M (−53.8%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 3.7M shares and 7 cut 2.7M.
RIO top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Global X Lithium & Battery Tech ETF | 0.21% | 3.5M | $313.6M | −4,950 (−0.1%) | September 29, 2026 |
| 2 | Neuberger Large Cap Value Inv | 0.09% | 1.5M | $132.7M | −66,399 (−4.3%) | June 30, 2026 |
| 3 | Xtrackers S&P 500 Swap ETF 1C | 0.07% | 1.1M | $98.1M | −8,008 (−0.7%) | December 31, 2025 |
| 4 | GS Europe CORE Equity Base Inc EUR | 0.05% | 849K | $76.7M | −58,143 (−6.4%) | July 31, 2026 |
| 5 | Xtrackers MSCI World Swap ETF 1C | 0.05% | 765K | $69.1M | +420,704 (+122.0%) | December 31, 2025 |
| 6 | Avantis International Equity ETF | 0.04% | 647K | $58.4M | +960 (+0.1%) | September 30, 2026 |
| 7 | DFA International Core Equity 2 I | 0.04% | 589K | $53.2M | — | August 31, 2026 |
| 8 | Vanguard Global Capital Cycles Investor | 0.03% | 523K | $47.3M | −90,844 (−14.8%) | June 30, 2026 |
| 9 | State Farm Growth | 0.03% | 480K | $43.3M | — | June 30, 2026 |
| 10 | iShares S&P/TSX Global Base Metals ETF | 0.03% | 459K | $41.5M | −2,699 (−0.6%) | September 30, 2026 |
| 11 | iShares Copper Miners UCITS ETF | 0.03% | 436K | $39.3M | +3,080 (+0.7%) | September 30, 2026 |
| 12 | Goldman Sachs Intl Eq Insghts Instl | 0.03% | 435K | $39.3M | −33,895 (−7.2%) | July 31, 2026 |
| 13 | Permanent Portfolio Permanent I | 0.02% | 400K | $36.1M | — | September 30, 2026 |
| 14 | Xtrackers Stoxx Global Div100 Swp ETF 1D | 0.02% | 352K | $31.8M | +351,638 (0.0%) | December 31, 2025 |
| 15 | Franklin Income A(Mdis)USD | 0.02% | 350K | $31.6M | — | August 31, 2026 |
| 16 | GMO International Equity III | 0.02% | 300K | $27.1M | −43,923 (−12.8%) | August 31, 2026 |
| 17 | Amplify CWP International Enh Div IncETF | 0.02% | 299K | $27.0M | +651 (+0.2%) | September 30, 2026 |
| 18 | GAMCO Glb Gold Natural Res & Income | 0.02% | 260K | $23.4M | +14,500 (+5.9%) | June 30, 2026 |
| 19 | Franklin Managed Income Adv | 0.02% | 250K | $22.6M | — | August 31, 2026 |
| 20 | Mercer Non-US Core Equity Y3 | 0.01% | 231K | $20.9M | +179,632 (+346.8%) | August 31, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
RIO shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns RIO
Institutional investors own 10.5% of Rio Tinto's shares and insiders 0.00%. The largest holder is Fisher Asset Management, LLC with 1.27% of the shares (20.7M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 7 reduced their stake in the latest filings. Short interest is 0.87% of the float, or 5.29 days of average trading volume. The share count fell 11.9% since 2014.
Related: RIO analyst forecast, RIO key metrics, RIO dividend history. See the RIO stock overview for the latest quote and news.
RIO ownership FAQ
Who owns the most Rio Tinto stock?
The largest shareholders of Rio Tinto are Fisher Asset Management, LLC (1.27%), State Farm Mutual Automobile Ins Co (0.67%), The Goldman Sachs Group Inc (0.58%), Morgan Stanley - Brokerage Accounts (0.30%), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (0.25%).
What percentage of Rio Tinto is owned by institutions?
Institutions hold 10.5% of Rio Tinto's shares outstanding; insiders hold 0.00%.
Which funds own Rio Tinto?
The largest fund holders of Rio Tinto are Global X Lithium & Battery Tech ETF (0.21%), Neuberger Large Cap Value Inv (0.09%), Xtrackers S&P 500 Swap ETF 1C (0.07%), GS Europe CORE Equity Base Inc EUR (0.05%), Xtrackers MSCI World Swap ETF 1C (0.05%).
What is Rio Tinto's short interest?
9.3M shares of Rio Tinto were sold short, 0.87% of the float; at the average daily volume it would take 5.29 days to cover.
How many shares of Rio Tinto are outstanding?
Rio Tinto has 1.25B shares outstanding, of which 1.42B are in the public float.