NanoH2O key facts
- Manufacturer of reverse osmosis membranes intended for water desalination and water reuse.
- NanoH2O’s last known valuation is $146.3M (May 2014).
- It has raised $958.1M across 1 recorded rounds; the latest was PE Growth/Expansion ($958.1M) in Dec 2025.
- Notable investors include Mubadala Investment Company, University of California, Glenwood Private Equity, Los Angeles.
- NanoH2O has filed 3 Form Ds with the SEC since 2009, most recently Dec 2011 ($14.9M sold to 4 investors).
- Status: Acquired/Merged (Operating Subsidiary).
- ·Watch NanoH2O: the Monday email on marks, rounds and moves
NanoH2O funding rounds
1 roundsNanoH2O valuation
NanoH2O's last known valuation is $146 million, from May 2014. The figure stands until a priced round, a secondary trade or an institutional fund mark prices the stock again.
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.
Comparable companies
Comparable other commercial products names by valuation on PrivateMarketView: Armada (Commercial Products) ($2.3 billion), Pixcel (Commercial Products) ($40 million) and Evodia ($25.3 million).
About NanoH2O
Manufacturer of reverse osmosis membranes intended for water desalination and water reuse. The company develops membranes for seawater and brackish water desalination, as well as wastewater reclamation, thereby lowering the cost of desalination and improving desalination energy efficiency and productivity.
- Industry
- Other Commercial Products
- Sector
- Business Products and Services (B2B)
- HQ
- Los Angeles, CA, United States
- Founded
- 2005
- Employees
- 120
- Website
- lgwatersolutions.com/
- Ownership
- Acquired/Merged (Operating Subsidiary)
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NanoH2O’s last known valuation, May 2014. A PrivateMarketView mark is published once fund marks, secondary prints or a priced round let us confirm it.