NanoH2O is based in Torrance, California. It has raised $75M in total funding. Latest round: Series D.
NanoH2O funding overview
NanoH2O is based in Torrance, California. NanoH2O has raised $75M in total disclosed funding. That places its disclosed total in the $25M–$100M range. Its most recent disclosed round is a Series D announced in December 2025. The round record for NanoH2O runs through 2025; nothing later has been disclosed. Investors on record include BASF Venture Capital, Total Energy Ventures, Keytone Ventures, Khosla Ventures, Oak Investment Partners, CalPERS Clean Energy & Technology Fund and 1 others. 7 distinct backers are named across the disclosed rounds.
NanoH2O at a glance
Total raised
$75M
Latest round
Series D
Latest round date
December 2025
Headquarters
Torrance, California
Notable investors
BASF Venture Capital, Total Energy Ventures, Keytone Ventures, Khosla Ventures, Oak Investment Partners, CalPERS Clean Energy & Technology Fund, PCG Clean Energy & Technology Fund
Frequently asked about NanoH2O funding
How much has NanoH2O raised?
NanoH2O has raised $75M in total disclosed funding across the rounds on record.
Who has invested in NanoH2O?
BASF Venture Capital, Total Energy Ventures, Keytone Ventures, Khosla Ventures, Oak Investment Partners, CalPERS Clean Energy & Technology Fund are named among the investors backing NanoH2O.
What was the latest NanoH2O funding round?
The most recent disclosed round is a Series D, announced in December 2025.
Where is NanoH2O based?
NanoH2O is based in Torrance, California.
When did NanoH2O last raise?
The last disclosed NanoH2O round closed in December 2025 at Series D.
Round data for NanoH2O is compiled from public filings and announcements; blank fields mean nothing has been disclosed rather than nothing exists. Continue with the companies in Torrance and backer lists below.
