VC · WATER INVESTOR
At One Ventures
At One Ventures is a water-focused venture capital that has backed 2 water companies since 2020. (don't) Waste Water rates its water commitment Committed.
Committed
Water Commitment
Type
Venture Capital
AUM
$525M
Founded
2020
Stage
Seed - Series A
Median round
$7M
Portfolio
2 cos
Water Commitment Score
Tier
Committed
2 water companies · last deal 2025 · leads ~100% of rounds · Med confidence
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
Median round$7Mrange $6.9M - $7M · 2 disclosed
Portfolio · 2 water companies
$7MLED Seed · 2025
$6.9MLED Series A · 2023
Invests alongside
AM Ventures1xMaven Capital Partners1x
Overture Ventures1xClimate Capital1x
Pace Ventures1xClosed Loop Partners1x
WovenEarth Ventures1x
Highlighted = profiled on (don't) Waste Water.