Third Sphere Capital
Third Sphere Capital is a Pre-Seed, Seed venture capital firm based in New York, NY investing in Other, Climate / Energy. The firm typically writes $500K–$3.0M checks and has 1 portfolio company in our records.
- Check size
- $500K–$3.0M
- Portfolio
- 1 company on record
- Partners
- 1 listed
- Stage
- Pre-Seed, Seed
- Sectors
- Other, Climate / Energy
- HQ
- New York, NY
- AUM
- Not in our records
Last verified: 2026-07-05
Pre-Seed, Seed
$500K – $3.0M
1+ companies
1 partner
Investment Thesis
Invests in early-stage companies transforming the global economy through sustainability, Web3 platforms, and climate-focused innovations.
How Third Sphere Capital invests
Third Sphere Capital is a vc firm based in New York, NY. The firm invests at the Pre-Seed, Seed stages, with a focus on Other, Climate / Energy. It does not invest in Consumer goods, Media.
Third Sphere Capital typically writes checks of $500K–$3.0M per investment.
Third Sphere Capital has backed 1 company in our records, including Carbon Protocol.
Partners & Team
Alex Johnson
GP
Industry Focus
Invests In
Does Not Invest In
Portfolio Companies (1)
Other
Carbon Protocol
- •Raising at Pre-Seed, Seed? You're squarely in their sweet spot.
- •Lead with your fit in Other, Climate / Energy — the sectors they actively back.
- •Size your ask to their typical $500K – $3.0M check.
- •warm intro preferred
- •Address your outreach to a specific partner, such as Alex Johnson, GP.
- •A warm introduction beats a cold email. Get matched and request an intro.
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