S2G Ventures (now S2G Investments) is a multi-stage venture and growth investment firm focused on scaling durable, market-defining businesses across food & agriculture, energy, and oceans. The firm invests from seed through growth stages with an emphasis on systemic change and environmental health.
35% of their portfolio is in Food & Agriculture. Deal activity decreased year-over-year (10 deals in the last 12 months vs 15 prior). Average disclosed round size is $54.1M (across 164 rounds with reported amounts).
Portfolio
121
Fund Size
$1B
Top Stage
Series A
Last 12 Mo
10
Team
BO
Brian O’Connor
Managing Director & Co-Head
Portfolio Breakdown
Stage Distribution
Sector Distribution
Investment Activity
DealsAvg Round Size
Portfolio
190 investments
| Company | Round | Amount | Date |
|---|---|---|---|
 Corvus | Series C | $15M | Aug 2026 |
 Miraterra Technologies Corporation | Series A | $16M | Mar 2026 |
| Miraterra Technologies Corporation | Seed | $16M | Mar 2026 |
 Apeiron Labs | Series A | $9.5M | Feb 2026 |
 Evergreen Select | Series A | $6M | Feb 2026 |
 Mitra EV | Series B | $27M | Feb 2026 |
 Swarm Engineering | Series A | $10M | Jan 2026 |
 Kuehnle AgroSystems (KAS) | Series B | — | Jan 2026 |
 Ripple | Series A | $17M | Dec 2025 |
 Faeth Therapeutics | Unknown | $25M | Oct 2025 |
 Bettani | Series A | $6.5M | Oct 2025 |
 Bettani Farms | Series A | $6.5M | Oct 2025 |
 TechMet | Unknown | $68M | Aug 2025 |
 Mealogic | Series B | $16M | Jun 2025 |
 Sojo Industries | Unknown | $40M | Jun 2025 |
 Electra | Series B | $186M | Apr 2025 |
 Iunu | Series B | $20M | Apr 2025 |
 Sun Day Carwash | Series B | $25M | Mar 2025 |
 XOCEAN | Growth | — | Jan 2025 |
 EarthOptics | Unknown | — | Nov 2024 |
 Shiru | Series B | $16M | Nov 2024 |
 Urbint | Growth | $35M | Oct 2024 |
 Resurety | Series C | $32M | Oct 2024 |
 Corvus Robotics | Series A | $18M | Oct 2024 |
 Amperage | Unknown | — | Sep 2024 |
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Top Co-Investors
Prelude Ventures22 shared
iSelect Fund21 shared
Middleland Capital16 shared
Fall Line Capital12 shared
Temasek Holdings (Private) Limited12 shared
GV11 shared
Y Combinator10 shared
Microsoft Climate Innovation Fund10 shared
Tao Capital Partners9 shared
Argonautic Ventures8 shared
Collaborative Fund8 shared
Breakthrough Energy Ventures8 shared
Rio Tinto8 shared
Leaps by Bayer8 shared
Ajax Strategies8 shared
Continental Grain Company8 shared
Viking Global Investors7 shared
Mercury Fund7 shared
Equinor7 shared
Mitsubishi Heavy Industries7 shared
Last updated: 7 October 2026