
Rio Tinto is a British–Australian multinational mining group founded in 1873, operating the corporate venture capital arm 'Rio Tinto Ventures' which invests in startups from pre-seed to Series B to accelerate innovation in the mining and metals industry.
61% of their portfolio is in Climate & Energy. Average disclosed round size is $138.0M (across 22 rounds with reported amounts).
Portfolio
24
Fund Size
—
Top Stage
Series B
Last 12 Mo
0
Team
TC
Trudi Charles
Chief Legal, Governance & Corporate Affairs Officer
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
31 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Series B | $186M | Apr 2025 | |
| Series B | $186M | Apr 2025 | |
| Series B | $186M | Apr 2025 | |
| Unknown | — | Mar 2025 | |
| Series A | $27.5M | Jan 2025 | |
| Series A | $30M | Jan 2025 | |
| Seed | — | Jan 2025 | |
| IInoBat | Series C | — | Dec 2024 |
| CCarbonCapture | Series A | $80M | Mar 2024 |
| SSpoor | Seed | — | Jan 2024 |
| HHighview | Unknown | — | Jan 2024 |
| Series B | $30M | Mar 2023 | |
| Seed | $3.4M | Jan 2023 | |
| EElectric Hydrogen (EH2) | Series C | $380M | Jan 2023 |
| Unknown | $60M | Jan 2023 | |
| Seed | $3.4M | Jan 2023 | |
| Series C | $380M | Jan 2023 | |
| Series C | $380M | Jan 2023 | |
| Series C | $380M | Jan 2023 | |
| Series B | — | Sep 2021 | |
| Series B | $44M | — | |
| Seed | — | — | |
| Seed | $2.5M | — | |
| TTerra CO2 Technology | Series A | $46M | — |
| SSpoor | Series A | $8M | — |
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Top Co-Investors
Breakthrough Energy Ventures13 shared
S2G Ventures8 shared
Equinor7 shared
Mitsubishi Heavy Industries7 shared
Honeywell Ventures6 shared
bp ventures6 shared
Energy Impact Partners6 shared
Silicon Valley Bank5 shared
Fifth Wall Climate5 shared
Prelude Ventures5 shared
Trinity Capital Inc.5 shared
Capricorn Investment Group4 shared
Capricorn4 shared
Fortescue4 shared
Collaborative Fund3 shared
Toyota Tsusho3 shared
Lowercarbon Capital3 shared
Builders Vision3 shared
Last updated: 20 October 2026