PE · WATER INVESTOR

Cibus Fund

Cibus Fund is a water-focused private equity that has backed 2 water companies since 2016. (don't) Waste Water rates its water commitment Occasional.

Occasional
Water Commitment
Type
Private Equity
AUM
$1.0B
Founded
2016
HQ
London, United Kingdom
Stage
Series B - Series C
Median round
$14.5M
Portfolio
2 cos

Water Commitment Score

Tier
Occasional
2 water companies · last deal 2022 · leads ~25% 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

Series B2
Series C1
Median round$14.5Mrange $5M - $70M · 4 disclosed

Portfolio · 2 water companies

Ostara Nutrient Recovery Technologies
Ostara Nutrient Recovery Technologies is a company that provides solutions for recovering phosp
$70MSeries C · 2022
Moleaer
Moleaer is a US-based company that manufactures industrial-scale nanobubble generators for aera
$9MSeries B · 2021

See the full portfolio in Leviathan →

Invests alongside

Energy Innovation Capital2x Forage Capital Partners2x S2G Ventures1x Grosvenor1x Carica Sustainable Investments1xWheatsheaf Group Limited1x Export Development Canada1x

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