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Third Sphere

Third Sphere

Pure DeepTechBrooklyn, United StatesActiveWebsite
Stage FocusPre-Seed, Seed
GeographyUS
TypeVC
Last Activity2025
Industry Focus
Industries
Climate TechTransport & MobilityRoboticsAdvanced MaterialsIoT & EdgeAdvanced ManufacturingAgriTech
Technical BenchStrong
Investor TypeDeepTech Purist
ExposureMostly DeepTech Investments
Bio

Third Sphere — originally Urban Us — was founded by Shaun Abrahamson, Stonly Blue, and Shilpi Kumar. The portfolio of roughly 100 companies is distinctive in one critical way: 80% are hardware-enabled, the inverse of most VC portfolios.

The track record validates the hardware-heavy approach: 6 exits, 3 climate unicorns, and 28 million metric tons of CO2e impact. Fund I was top quartile, Fund II t...

Notable Investments
G
Gradient
C
Climate Robotics
C
Cove Tool
B
Bowery Farming
O
OneWheel
S
Singularity Energy

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