
VC · WATER INVESTOR
SIS Ventures
SIS Ventures is a water-focused venture capital that has backed 1 water company since 2018. (don't) Waste Water rates its water commitment Occasional.
Occasional
Water Commitment
Type
Venture Capital
AUM
$7.2M
Founded
2018
Stage
Series A
Median round
$10.6M
Portfolio
1 cos
Water Commitment Score
Tier
Occasional
1 water companies · last deal 2024 · leads ~0% 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$10.6Mrange $2.7M - $18.5M · 2 disclosed
Invests alongside
Equity Gap2x
Old College Capital2x
Ascension Ventures2x
Scottish Enterprise2x
Rabo Ventures1x
Ananke Ventures1xBlue Ocean Fund1x
Clay Capital1x
Highlighted = profiled on (don't) Waste Water.