NanoH2O

Other Commercial Products · Los Angeles, CA · Founded 2005 · Acquired/Merged (Operating Subsidiary)

Manufacturer of reverse osmosis membranes intended for water desalination and water reuse. NanoH2O is based in Los Angeles, CA and was founded in 2005. Its last known valuation is $146 million (May 2014). It has raised $958 million across 1 recorded round; the latest was a $958 million growth round in Dec 2025.

Last price · $/share
—
Implied valuation
$146.3M
Total raised
$958.1M
Last round
PE Growth/Expansion
Dec 2025
How much has NanoH2O raised?
$958.1Macross 1 recorded rounds · Dec 2025 – Dec 2025

Most recently, NanoH2O raised $958.1M in its PE Growth/Expansion (Dec 2025).

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NanoH2O round by round

1 rounds
Dec 2025PE Growth/Expansion$958.1M▮
+ 1 more investors · free account

How much has NanoH2O raised?

NanoH2O has raised $958 million across 1 recorded round since 2025. The largest was a $958 million growth round in Dec 2025.

NanoH2O has filed 3 Form Ds with the SEC since 2009, most recently in Dec 2011 ($14.9 million sold to 4 investors).

NanoH2O investors

4 investors are on record for NanoH2O, including Mubadala Investment Company, University of California, Glenwood Private Equity and Los Angeles. The growth round in Dec 2025 drew 1 investor.

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Frequently asked about NanoH2O

How much has NanoH2O raised?
NanoH2O has raised $958.1M in total across 1 recorded funding rounds.
When was NanoH2O's last funding round?
NanoH2O's most recent recorded round was PE Growth/Expansion in Dec 2025, raising $958.1M.