The deep-tech investor database

Lowercarbon Capital backs companies that cut new CO2 emissions, remove legacy carbon, or build climate resilience, with the philosophy that markets, not guilt, will fix the planet. Founded in 2018 by Chris and Crystal Sacca with Clay Dumas, the Wyoming-based firm manages over $2B across general climate, carbon removal and fusion-specific vehicles. Notable industrial bets include Commonwealth Fusion Systems, Antora (thermal batteries), Crusoe (low-emission compute), Solugen (bio-based chemicals) and Avalanche Energy (modular fusion). Stage focus is seed and Series A.

Lux Capital is a New York and Menlo Park firm founded in 2000 by Josh Wolfe and Peter Hebert, with reported AUM near $7bn. Fund IX closed at $1.5bn in January 2026, the firm's largest, with about $1bn turned away in oversubscription. Investment themes are advancing human health, enabling creativity, progressing science, and securing life and environment. Industrial and defence holdings include Anduril, Saildrone, Astranis, Hadrian, Applied Intuition, Eikon Therapeutics, and Planet Labs.

Promus Ventures Promus Ventures was founded in 2012 with offices in Chicago, San Francisco, and Luxembourg. The firm closed a €120M (roughly $139M) Orbital Ventures fund in 2021 dedicated to space investments, alongside a broader portfolio of 90+ companies across the US, Europe, UK, and New Zealand. The geospatial track record is particularly strong: Rocket Lab (RKLB, NASDAQ-listed), Spire (SPIR, NASDAQ-listed), ICEYE (SAR satellites), Mapbox (mapping platform), and Swift Navigation are all in t

Congruent Ventures is a San Francisco climate firm with reported total AUM above $1bn. The fund stack covers Fund I ($92m), Fund II ($175m), Fund III ($275m, December 2023), and a $300m Continuity Fund. Stage focus is pre-seed to Series A, with about 80 percent of rounds being first institutional. The thesis spans atoms, bits, and business model innovation. Industrial holdings include Fervo Energy (geothermal), Avalanche Energy (fusion), AMP Robotics, Parallel Systems (autonomous rail), and Span.IO.