VC · WATER INVESTOR

OTB Ventures

OTB Ventures is a water-focused venture capital that has backed 1 water company since 2017. (don't) Waste Water rates its water commitment Occasional.

Occasional
Water Commitment
Type
Venture Capital
AUM
$350M
Founded
2017
HQ
Strawinskylaan 1457 Tower Ten, 14th Floor, 1077 XX Amsterdam, Netherlands
Stage
Seed - Series B
Median round
$15M
Portfolio
1 cos

Water Commitment Score

Tier
Occasional
1 water companies · last deal 2026 · leads ~33% 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

Seed1
Series A1
Series B1
Median round$15Mrange $10M - $60M · 3 disclosed

Portfolio · 1 water companies

Hydrosat
Hydrosat provides thermal infrared satellite imagery and analytics-generating surface temperatu
$60MSeries B · 2026

See the full portfolio in Leviathan →

Invests alongside

Santa Barbara Venture Partners3x Cultivation Capital3x Oaktree Capital Management, Inc.2x Freeflow2x Statkraft Ventures2x Blue Bear Capital2x Expon Capital2x Techstars Sustainability Accelerator1x Hemisphere Ventures1x

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