VC · WATER INVESTOR

Third Sphere

Third Sphere is a water-focused venture capital that has backed 3 water companies since 2013. (don't) Waste Water rates its water commitment Occasional.

Occasional

Water Commitment

Type

Venture Capital

AUM

$0K

Founded

2013

Stage

Seed

Median round

$1.9M

Portfolio

3 cos

Water Commitment Score

Tier

Occasional

3 water companies · last deal 2023 · leads ~0% of rounds · High confidence

How this is scored ↗
as of Jun 2026 · no pay-to-rank

Compiled from official filings, third-party records, and direct intelligence from investors and founders, in Leviathan · recomputed monthly · as of Jun 2026.

How they invest

Seed3

Median round$1.9Mrange $1.6M - $5.7M · 3 disclosed

Portfolio · 3 water companies

Wasted (Wasted PBC)

Wasted PBC is a Vermont-based public benefit company that develops and operates urine-diverting

$5.7MSeed · 2023

Varuna

Varuna provides an end-to-end platform that pairs in-pipe IoT sensors with a cloud dashboard to

$1.6MSeed · 2021

Pallon

Pallon provides cloud-based computer-vision software that automatically analyses CCTV videos of

$1.9MSeed · 2020

See the full portfolio in Leviathan →

Invests alongside

360 Capital1x Andrea Schlapbach1xGoogle1x Corazon Capital1xEvergreen Climate Innovations1x Riverstyx Foundation1xCool Climate Collective1x Divergent Capital1xDartmouth Angels1x

Highlighted = profiled on (don't) Waste Water.