Ranked by reported Q1 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 | 20.1M | $1.88B | +2.5% | 1.009% | 0.64% |
| 2 | STATE FARM MUTUAL AUTOMOBILE INSURANCE CO | 10.9M | $1.02B | 0.0% | 0.548% | 0.80% |
| 3 | GOLDMAN SACHS GROUP INC | 8.9M | $828.1M | -19.8% | 0.445% | 0.10% |
| 4 | MORGAN STANLEY | 4.9M | $456.1M | -14.3% | 0.245% | 0.03% |
| 5 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 4.4M | $414.2M | +5.5% | 0.222% | 0.05% |
| 6 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 4.2M | $395.3M | +4.8% | 0.212% | 0.54% |
| 7 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 3.7M | $346.1M | -4.5% | 0.186% | 0.19% |
| 8 | BANK OF AMERICA CORP /DE/ | 3.6M | $338.0M | +6.6% | 0.181% | 0.02% |
| 9 | Qube Research & Technologies Ltd | 2.5M | $230.5M | +0.4% | 0.124% | 0.27% |
| 10 | Neuberger Berman Group LLC | 2.5M | $229.1M | +10.4% | 0.123% | 0.17% |
| 11 | FMR LLC | 2.2M | $203.4M | +13.2% | 0.109% | 0.01% |
| 12 | BlackRock, Inc. | 2.1M | $196.7M | +18.9% | 0.106% | 0.00% |
| 13 | BANK OF MONTREAL /CAN/ | 2.1M | $191.8M | -7.4% | 0.103% | 0.07% |
| 14 | Grantham, Mayo, Van Otterloo & Co. LLC | 2.0M | $187.0M | +27.8% | 0.100% | 0.48% |
| 15 | HARDING LOEVNER LP | 2.0M | $184.0M | -4.0% | 0.099% | 1.89% |
| 16 | NORTHERN TRUST CORP | 1.8M | $171.6M | +7.9% | 0.092% | 0.02% |
| 17 | CITIGROUP INC | 1.7M | $161.1M | -10.4% | 0.086% | 0.07% |
| 18 | UBS Group AG | 1.7M | $159.8M | -0.7% | 0.086% | 0.02% |
| 19 | DIMENSIONAL FUND ADVISORS LP | 1.7M | $156.8M | -5.5% | 0.084% | 0.03% |
| 20 | JONES FINANCIAL COMPANIES LLLP | 1.7M | $149.5M | +3566.0% | 0.086% | 0.07% |
| 21 | BNP PARIBAS ARBITRAGE, SA | 1.4M | $142.8M | -20.3% | 0.072% | 0.07% |
| 22 | EARNEST PARTNERS LLC | 1.4M | $134.6M | -4.8% | 0.072% | 0.56% |
| 23 | ROYAL BANK OF CANADA | 1.2M | $112.8M | -6.8% | 0.061% | 0.02% |
| 24 | Altshuler Shaham Ltd | 1.1M | $106.7M | β | 0.057% | 2.44% |
| 25 | Palliser Capital (UK) Ltd | 1.0M | $96.8M | -14.1% | 0.052% | 75.10% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in RIO β a direct measure of their conviction.
Filings activity in RIO during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new RIO position in Q1 2026
Institutions that fully closed their RIO position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 911 | +7.2% | 5.52% | +0.47 pp | $11.61B | +9.3% |
| Q4 2025 | 850 | +15% | 5.05% | +1.18 pp | $10.62B | +30% |
| Q3 2025 | 742 | +1.8% | 3.87% | +0.38 pp | $8.14B | +11% |
| Q2 2025 | 729 | 4.5% | 3.49% | 0.30 pp | $7.35B | 7.9% |
| Q1 2025 | 763 | +5.0% | 3.79% | +0.17 pp | $7.97B | +4.8% |
| Q4 2024 | 727 | 1.5% | 3.62% | 5.81 pp | $7.61B | 62% |
| Q3 2024 | 738 | +1.4% | 9.43% | 6.82 pp | $19.83B | 42% |
| Q2 2024 | 728 | β | 16.25% | β | $34.17B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying RIO stock.
Based on Q1 2026 13F filings, institutional ownership of Rio Tinto Group stands at 5.5%, held across 911 reporting institutions.
Fisher Asset Management, LLC is the largest reported institutional holder of RIO, with approximately 20,135,992 shares worth $1.88B as of Q1 2026.
Yes β 2 widely-followed marquee investors appear among the top 25 institutional holders of RIO, including Fisher Asset Management, LLC, SUSQUEHANNA INTERNATIONAL GROUP, LLP.
Our composite Smart Money Score for RIO is 68 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
168 institutions opened new positions in RIO during Q1 2026, while 107 fully exited. 622 added to existing positions and 117 trimmed.
RIO institutional ownership rose by 0.47 percentage points quarter-over-quarter, with a net change of +61 holders.
The top 10 institutions account for 52.9% of all reported 13F value in RIO, and the top 25 account for 73.2%.
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