Third Sphere
Third Sphere, based in New York, backs climate and energy startups at Pre-Seed and Seed, can lead rounds, and writes checks from $250k to $1 million.
Who you would pitch at Third Sphere
3 people on the investing team, 3 of them partners who can make the call. Partners are listed first.
Work here and something is wrong? Ask for a correction.
Writes $250K to $1M checks. Its smallest check is larger than 33% of firms in the atlas.
Bars: how many firms in the atlas report each band. Highlighted: this firm.No recent activity since September 2026. Quiet does not mean closed.
Weekly count of activity updates. Activity is not a confirmed deal.Notable investments
In their words
Send Mode VC your deck
Raising a pre-seed or seed round? We write $1M to $5M first checks and help founders with distribution. A partner reads every deck.
Send your deckAlert me when Third Sphere is active
One email when this firm shows new activity. Nothing else.
Firms like Third Sphere
On these lists
Questions
What stage does Third Sphere invest in?
Third Sphere reports entry at pre-seed, seed.
How much does Third Sphere invest?
Third Sphere reports checks of $250K to $1M.
Does Third Sphere lead rounds?
Yes. Third Sphere says it can lead.
Who are the partners at Third Sphere?
Shaun Abrahamson (Co-Founder), Stonly Baptiste Blue (Co-Founder and Managing Partner), Shilpi Kumar (Partner).
Is Third Sphere active right now?
No recent activity since September 2026.
Work at Third Sphere? Claim or correct this profile.