Ranked by reported Q2 2026 13F market value
Share of total reported institutional value in RIO held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | Fisher Asset Management, LLC | 20.7M | $1.96B | +2.7% | 1.272% | 0.58% |
| 2 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | 10.9M | $1.04B | 0.0% | 0.673% | 0.71% |
| 3 | GOLDMAN SACHS GROUP INC | 9.5M | $900.9M | +6.9% | 0.584% | 0.08% |
| 4 | MORGAN STANLEY | 4.9M | $460.7M | -0.7% | 0.299% | 0.02% |
| 5 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 4.1M | $386.8M | -3.8% | 0.251% | 0.46% |
| 6 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 3.8M | $362.8M | -13.9% | 0.235% | 0.03% |
| 7 | BANK OF AMERICA CORP /DE/ | 3.4M | $320.2M | -6.9% | 0.208% | 0.02% |
| 8 | Qube Research & Technologies Ltd | 2.9M | $272.5M | +16.2% | 0.177% | 0.25% |
| 9 | JPMORGAN CHASE & CO | 2.6M | $240.7M | +30.9% | 0.157% | 0.01% |
| 10 | BlackRock, Inc. | 2.5M | $234.9M | +17.4% | 0.152% | 0.00% |
| 11 | Neuberger Berman Group LLC | 2.4M | $226.9M | -2.6% | 0.147% | 0.08% |
| 12 | FMR LLC | 2.3M | $219.9M | +6.3% | 0.143% | 0.01% |
| 13 | BANK OF MONTREAL /CAN/ | 2.2M | $206.9M | +6.0% | 0.134% | 0.07% |
| 14 | HARDING LOEVNER LP | 1.9M | $186.1M | -1.5% | 0.120% | 1.75% |
| 15 | BNP PARIBAS FINANCIAL MARKETS | 1.9M | $179.9M | +31.9% | 0.117% | 0.06% |
| 16 | JONES FINANCIAL COMPANIES LLLP | 1.9M | $175.0M | +8.2% | 0.115% | 0.07% |
| 17 | NORTHERN TRUST CORP | 1.8M | $174.7M | +0.1% | 0.113% | 0.02% |
| 18 | Grantham, Mayo, Van Otterloo & Co. LLC | 1.8M | $174.6M | -8.3% | 0.113% | 0.39% |
| 19 | JANE STREET GROUP, LLC | 1.7M | $163.0M | -13.2% | 0.106% | 0.01% |
| 20 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 1.7M | $162.8M | -53.8% | 0.105% | 0.07% |
| 21 | DIMENSIONAL FUND ADVISORS LP | 1.5M | $146.8M | -8.1% | 0.095% | 0.03% |
| 22 | EARNEST PARTNERS LLC | 1.4M | $137.2M | +0.2% | 0.089% | 0.49% |
| 23 | Altshuler Shaham Ltd | 1.3M | $127.6M | +17.5% | 0.083% | 1.59% |
| 24 | UBS Group AG | 1.3M | $124.2M | -23.6% | 0.081% | 0.02% |
| 25 | WELLS FARGO & COMPANY/MN | 1.2M | $115.8M | -7.3% | 0.075% | 0.02% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). “% of Fund” shows how much of that investor’s total 13F portfolio is invested in RIO — a direct measure of their conviction.
Filings activity in RIO during Q2 2026, grouped by how each filer changed its position.
8 quarters of 13F filings · Δ columns show change vs prior quarter
| Quarter | Inst. Holders | Δ Holders | Ownership % | Δ Ownership | Total 13F Value | Δ Value |
|---|---|---|---|---|---|---|
| Q2 2026 | 978 | +3.6% | 8.48% | +0.01 pp | $12.72B | +2.3% |
| Q1 2026 | 944 | +9.3% | 8.47% | 0.12 pp | $12.44B | +14% |
| Q4 2025 | 864 | +14% | 8.59% | +0.41 pp | $10.88B | +27% |
| Q3 2025 | 756 | +3.7% | 8.18% | +0.14 pp | $8.58B | +17% |
| Q2 2025 | 729 | 4.5% | 8.04% | 0.68 pp | $7.35B | 7.9% |
| Q1 2025 | 763 | +5.0% | 8.72% | +0.47 pp | $7.97B | +4.8% |
| Q4 2024 | 727 | 1.5% | 8.25% | 8.90 pp | $7.61B | 62% |
| Q3 2024 | 738 | — | 17.15% | — | $19.83B | — |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Δ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying RIO stock.
Based on Q2 2026 13F filings, institutional ownership of Rio Tinto Group stands at 8.5%, held across 978 reporting institutions.
Fisher Asset Management, LLC is the largest reported institutional holder of RIO, with approximately 20,675,995 shares worth $1.96B as of Q2 2026.
Yes — 3 widely-followed marquee investors appear among the top 25 institutional holders of RIO, including Fisher Asset Management, LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP, JANE STREET GROUP, LLC.
Our composite Smart Money Score for RIO is 67 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
100 institutions opened new positions in RIO during Q2 2026, while 73 fully exited. 588 added to existing positions and 255 trimmed.
RIO institutional ownership rose by 0.01 percentage points quarter-over-quarter, with a net change of +34 holders.
The top 10 institutions account for 48.6% of all reported 13F value in RIO, and the top 25 account for 68.4%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Rio Tinto Group (RIO) Institutional Ownership