Third Sphere

Third Sphere is Pre-Seed and Seed stage fund focused on rapid, scalable climate action and targeting outsized impact and outsized returns. Fund strategy: Climate action - Track record of over 100 portfolio companies that unlock GHG reduction and resilience via strategies like electrification that don’t ask for premiums, just better products and services such as Cove Tool (building design), OneWheel (consumer EV), and Gradient (home hvac). First-in Capital - focus on ownership in pre-seed/seed stage teams and markets where we can help unlock institutional funding and multiple opportunities to expand ownership before Series A. Earned access - GPs (Shaun, Stonly, and Shilpi) have 9 years together with public reputation and ranks including; top 1% of investors on NFX for climatetech; #1 ranked early stage fund by Climate 50; named in the top 10 of VCs who founders love the most by Techcrunch Repeatable differentiation - Proprietary curated network with over 12k people, enabling 1k annual 1:1 introductions, along with access to asset finance.

Domain

thirdsphere.com

Industry

CleanTech

Employees

11-50

Founded

2013

Frequently Asked Questions

What technologies does Third Sphere use?+

Third Sphere uses 28 technologies including Google Analytics, Google Tag Manager, HubSpot.

What industry is Third Sphere in?+

Third Sphere operates in the CleanTech industry.

Where is Third Sphere based?+

Third Sphere is headquartered in United States.

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Data last updated: June 2026