NanoH2O last raised $958.1M in its PE Growth/Expansion (Dec 2025).
- ·Watch NanoH2O: the Monday email on marks, rounds and moves
NanoH2O funding history
1 rounds| Date | Round | Raised | Post-money | $/share |
|---|---|---|---|---|
| Dec 2025 | PE Growth/Expansion | $958.1M | ▮ | ▮ |
Membership and data by Private Market View
NanoH2O 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).
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).
How NanoH2O's valuation is determined
Private company valuations aren’t quoted on an exchange — they’re established in moments: a priced funding round sets a post-money valuation, secondary trades print at a price per share, and SEC-registered funds holding the stock report fair-value marks in their N-PORT filings.
For NanoH2O, too few pricing signals exist to publish a composite mark; the figures above reflect the most recent observed valuation event. Full methodology →
Frequently asked about NanoH2O
- What is NanoH2O worth?
- NanoH2O's last known valuation is $146.3M.
- How much has NanoH2O raised?
- NanoH2O has raised $958.1M in total funding across 1 recorded rounds.
- When did NanoH2O last raise?
- NanoH2O last raised in Dec 2025 (PE Growth/Expansion), raising $958.1M.