
Giant Ventures is a London-based venture capital firm founded in 2019 that invests in purpose-driven founders solving the world's biggest challenges across climate, health, and frontier technology. The firm invests from pre-seed to growth across Europe and the United States.
Deal activity decreased year-over-year (2 deals in the last 12 months vs 10 prior). Average disclosed round size is $25.4M (across 52 rounds with reported amounts).
Portfolio
53
Fund Size
$250M
Top Stage
Seed
Last 12 Mo
2
Team
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
76 investments
| Company | Round | Amount | Date |
|---|---|---|---|
| Unknown | $205M | Jan 2026 | |
| Seed | $5M | Sep 2025 | |
| Series A | — | Sep 2025 | |
| Series B | $44M | Jun 2025 | |
| RRadiant Industries | Series C | — | May 2025 |
| Series B | — | May 2025 | |
| Series A | — | Mar 2025 | |
| EElea | Seed | — | Mar 2025 |
| Series A | $20.4M | Mar 2025 | |
| Series A | $9M | Jan 2025 | |
| Series A | $14M | Jan 2025 | |
| Seed | $125M | Jan 2025 | |
| Series A | — | Dec 2024 | |
| Series A | — | Oct 2024 | |
| Series A | $20M | Oct 2024 | |
| Seed | $30M | Jun 2024 | |
| Series A | — | May 2024 | |
| Series B | $60M | Apr 2024 | |
| Series A | $7M | Jan 2024 | |
| Seed | $4M | Oct 2023 | |
| Series B | — | Mar 2023 | |
| Series A | $41M | Feb 2023 | |
| Pre-Seed | $2.8M | Jan 2023 | |
| Seed | $3.5M | Jan 2023 | |
| Seed | $8M | Dec 2022 |
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Top Co-Investors
Y Combinator12 shared
firstminute capital11 shared
Founders Fund7 shared
Andreessen Horowitz6 shared
Siddhi Capital6 shared
FJ Labs5 shared
General Catalyst4 shared
Northzone4 shared
Norrsken VC4 shared
Blue Horizon3 shared
Global Founders Capital3 shared
Obvious Ventures3 shared
New Enterprise Associates3 shared
Matrix Partners3 shared
Seedcamp3 shared
Fly Ventures3 shared
Calm/Storm Ventures3 shared
Phenomen Ventures3 shared
RTP Global3 shared
Zero Infinity Partners3 shared
Last updated: 7 October 2026