12 Founders Backed by Stony Lonesome Group (2026)

12 founders backed by Stony Lonesome Group, with company, stage, and round detail. Includes Primordial Labs and Vector.

Stony Lonesome Group founders (12)

Stony Lonesome Group founders covers 12 founders on Primordial Labs, Aceso Plasma and Archaius and 8 other companies. The most common sectors are AI Infrastructure (3), Cybersecurity (3) and Healthtech (3). Members are based in 11 cities, led by New Haven, CT (2), Arlington, VA (1) and Clarksville, MD (1). The remaining members span Biotech (1), Developer Tools (1) and Robotics (1). Companies represented include Aris Data, Cyberspatial, Grid Aero, ID.me, NeuroFlow, Psych Hub, Vector and Warrior Centric Health. Every founder below links to a profile with their company, backers, and the filings behind each round.

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