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.
50% of their portfolio is in Climate & Energy. Deal activity decreased year-over-year (1 deals in the last 12 months vs 2 prior). Average disclosed round size is $86.7M (across 3 rounds with reported amounts).
Portfolio
6
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
Portfolio
6 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 ElectraSteel | Series B | $186M | Apr 2025 |
 GravitHy | Unknown | — | Mar 2025 |
| IInoBat | Series C | — | Dec 2024 |
 GeologicAI | Series B | $44M | — |
 Snowfox Discovery | Series A | $30M | — |
 Ekion | Seed | — | — |
Top Co-Investors
bp ventures2 shared
Breakthrough Energy Ventures2 shared
S2G Ventures1 shared
Collaborative Fund1 shared
Toyota Tsusho1 shared
Lowercarbon Capital1 shared
Capricorn Investment Group1 shared
Builders Vision1 shared
Earth Venture Capital1 shared
ENGIE New Ventures1 shared
EIT InnoEnergy1 shared
Siemens AG1 shared
IP Group plc1 shared
Endeavor1 shared
BHP1 shared
Blue Earth Capital1 shared
Oxford Capital1 shared
Oxford Science Enterprises1 shared
Founders Factory1 shared
Last updated: 7 September 2026