NanoH2O Co., Ltd.
PrivateLast Round
Buyout/LBO
Dec 3, 2025
Est. Valuation
$200M
Total Funding Raised
$80.95M
Momentum
Top 50%
of companies Caplight tracks
Company Overview
NanoH2O Co., Ltd. operates in Energy & Sustainability and is based in Seoul. Its latest recorded funding round was a Debt round in April 2012.
NanoH2O Co., Ltd. is a water technology company that provides reverse osmosis (RO) membranes, ultrafiltration (UF) membranes, and ion exchange (IX) resins for desalination and water treatment.
Sector
Energy & Sustainability
Verticals
Water Treatment, Advanced Materials, Clean Manufacturing
Business Model
B2B
Customer Profile
Hardware Sales
AI Layer
Non-AI
Historical Pricing
Historical view of private secondary pricing and transaction trends.
NanoH2O Co., Ltd. Comparables
Compare NanoH2O Co., Ltd. with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| RM Nanotech | 83% | |
| Hunan KeenSen Technology Co., Ltd. | 80% | |
| Vontron Technology Co., Ltd. | 79% |
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NanoH2O Co., Ltd. Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Buyout/LBO | Dec 3, 2025 | ||||
| M&A | Apr 30, 2014 | ||||
| Debt | Apr 30, 2012 | ||||
| Series C | Apr 30, 2012 | ||||
| Grant | May 6, 2010 | ||||
Series B | Sep 1, 2008 |
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NanoH2O Co., Ltd. Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| TotalEnergies Ventures | Series C |
| Khosla Ventures | Series C, Series B, Series A |
| Glenwood Private Equity | Buyout/LBO |
| Office of Naval Research | Grant |
| Oak Investment Partners | Series C, Series B |
| Keytone Ventures | Series C |
| Mubadala Investment Company | Buyout/LBO |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Dec 3, 2025
$136M round led by Glenwood Private Equity.
- Apr 30, 2014
$200M round with LG Chem participating.
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NanoH2O Co., Ltd. Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
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Frequently Asked Questions
Common questions about NanoH2O Co., Ltd.'s valuation, stock price, and market status.
Is NanoH2O Co., Ltd. a public or private company?
NanoH2O Co., Ltd. is a private company.
What is the current stock price of NanoH2O Co., Ltd.?
NanoH2O Co., Ltd. is a private company, so its shares have no public market price. Caplight tracks NanoH2O Co., Ltd.'s secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is NanoH2O Co., Ltd. worth (valuation)?
NanoH2O Co., Ltd.'s valuation is estimated at $200.0M based on funding round data.
Can I buy NanoH2O Co., Ltd. stock?
NanoH2O Co., Ltd. shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was NanoH2O Co., Ltd.'s last funding round?
NanoH2O Co., Ltd.'s most recent funding round was Buyout/LBO on December 3, 2025.
Who are the main investors in NanoH2O Co., Ltd.?
Key investors in NanoH2O Co., Ltd. include Khosla Ventures, Glenwood Private Equity.
Will NanoH2O Co., Ltd. IPO soon?
No public IPO plans have been announced for NanoH2O Co., Ltd..
How can I track NanoH2O Co., Ltd. secondary market activity?
Caplight tracks bids, offers, and trades in NanoH2O Co., Ltd.'s shares on secondary markets.