PE · WATER INVESTOR

BlackRock

BlackRock is a water-focused private equity that has backed 1 water company since 1988. (don't) Waste Water rates its water commitment One-Off.

One-Off

Water Commitment

Type

Private Equity

AUM

$13500.0B

Founded

1988

Stage

Series C - Series D

Median round

$90M

Portfolio

1 cos

Water Commitment Score

Tier

One-Off

1 water companies · last deal 2022 · leads ~50% of rounds · Med 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 C1

Series D1

Median round$90Mrange $50M - $130M · 2 disclosed

Portfolio · 1 water companies

SOURCE Global

Source Global’s solar-powered SOURCE Hydropanels use proprietary hygroscopic materials and phot

$130MSeries D · 2022

See the full portfolio in Leviathan →

Invests alongside

Breakthrough Energy Ventures2x Material Impact2x Duke Energy2x Microsoft Climate Innovation Fund1xFifth Wall1xMonashee Capital1xHarvard Management Company1xThe Lightsmith Group1xWind Ventures1x

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