About Nanostellar
Nanostellar is a Technology company based in Redwood City (United States) founded in 2003 by Jonathan Woo and William Miller. Precious-metal catalysts for automotive emissions control are developed. Nanostellar has raised $24.15 million across 7 funding rounds from investors including Khosla Ventures, 3i Group and Monitor Ventures. Its focus areas include High Tech, Nanotechnology, Nanointermediates and Nanocatalyst. Its legal entity is NANOSTELLAR INC. Its competitors include Eden Innovations, SDC Materials and Argo Fuels; 1 of its 3 listed competitors has raised funding.
Company details
Nanostellar was founded in 2003 in Redwood City, United States, focusing on the automotive and stationary power sectors. Nano-engineered materials containing precious metals are produced to support diesel emissions-control standards in Europe, the United States, and Asia. These catalysts are designed to lower exhaust emissions while enhancing precious metal efficiency by 25-30. The Rational Catalyst Design approach integrates computational materials science, synthesis methods, and chemical engineering for material development.
- Headquarters Redwood City, United States
- Founders Jonathan Woo, William Miller
- SectorsTechnology
- Email••••••••
- Website nanostellar.com
- Social LinkedIn
- Legal Name Nanostellar Inc
- Total Equity Funding$24.15M (USD)
in 7 rounds
- Latest Funding Round$2.36M (USD), Debt – Conventional
Mar 2009
- InvestorsKhosla Ventures
& 3 more
Funding Insights of Nanostellar
Nanostellar has successfully raised a total of $24.15M across 7 strategic funding rounds. The most recent funding activity was a Debt – Conventional round of $2.36 million completed in March 2009. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $24.15M
- Total Rounds 7
- Last Round Debt – Conventional — $2.36M
- First Round $3M
(Jun 2004)
- Investors Count 4
All 7 funding rounds of Nanostellar with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Mar 2009 | $2.36M | Debt – Conventional | – | – | – |
| Sep 2008 | $715,424 | Debt – Conventional | – | – | – |
| Mar 2008 | $8.07M | Series C | – | – | |
| Aug 2007 | $1.6M | Series C | – | – | – |
| Jun 2006 | $7.05M | Series B | – | – | – |
| May 2005 | $4.42M | Series A | – | – | |
| Jun 2004 | $3M | Series A | – | – |
4 investors in total: 4 institutional.
Investors in Nanostellar
Nanostellar has secured backing from 4 investors, including venture fund investors. Prominent investors backing the company include Khosla Ventures, 3i Group and Monitor Ventures.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Private equity firm focused on mid-market businesses | 1945 | 3i.com | London, United Kingdom | |
Early-stage startups are funded by this venture capital firm. | 2004 | khoslaventures.com | Menlo Park, United States | |
Monitor Ventures is involved in unspecified business activities. | monitorventures.com | Los Altos, United States | ||
| firelakecapital.com |
Investor details for Nanostellar
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of Nanostellar
2 people are tracked at Nanostellar (2 in leadership).
| Name | Role | Group |
|---|---|---|
Jonathan Woo | Co-Founder & CTO | Leadership |
William Miller | Co-Founder | Leadership |
Complete people profiles for Nanostellar
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of Nanostellar
3 dated milestones of Nanostellar across 6 years, from founding to its latest funding, stage changes and deals.
- Founded Nanostellar is founded.
- Funding First funding round of $3.0M.
- Funding Latest funding round, Debt – Conventional, of $2.4M.
Competitors of Nanostellar
Nanostellar has 3 listed competitors in our database, 1 of them funded. They include Eden Innovations, SDC Materials and Argo Fuels.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| edeninnovations.com | 2004 | Denver, United States | Provider of carbon nano-materials for increasing fuel efficiency of combustion engine | |||
| sdcmaterials.com | 2004 | Tempe, United States | $20.3M | Develops nano-enhanced catalysts for automotive emission control systems. | ||
| argofuels.com | 2010 | Logan, United States | Biodiesel is produced using low-cost NanoCatalyst technology. |
Detailed competitors of Nanostellar
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of Nanostellar
Websites that share an audience with Nanostellar (nanostellar.com).
Websites whose visitors overlap most with Nanostellar. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| recurrentenergy.com | 100% | 20.2K | #1,422,561 | View details | |
kennedyjenks.com | kennedyjenks.com | 100% | #3,329,749 | – | |
| ecotality.com | 100% | 2.5K | #8,357,624 | View details | |
| wattstopper.com | 100% | View details | |||
| miasole.com | 100% | 1.6K | #9,288,448 | View details | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 6 similar websites and full traffic analytics for Nanostellar
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 6 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Top companies in Nanotechnology
3 companies that operate in the same segment as Nanostellar (Nanotechnology) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Developer of technologies for analysis of genetic variation and function | 1993 | San Diego, California, United States | USD 28 M | USD 1.44 M | 29 | |
RNA interference-based therapeutics are developed for multiple disorders. | 2002 | Cambridge, Massachusetts, United States | USD 17 M | USD 3.71 B | 2,230 | |
Aerogel-based thermal insulation solutions are provided for energy conservation. | 2001 | United States | USD 198.35 M | USD 271.1 M | 554 |
Unlock complete access to The Company Check
Get unrestricted viewing across everything we track — from companies and brands to investors, funding rounds, acquisitions, financials, and more.
- Unlimited viewing on all profiles Companies, investors, financials, funding, acquisitions & directors
- Full access to every database India & global coverage, advanced filters and rich profile details
- Always-on access from your team account Single premium plan for everything you see on the portal
Related news about Nanostellar
Complete news archive for Nanostellar
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Frequently Asked Questions about Nanostellar
Nanostellar was founded in 2003 and raised its 1st funding round 1 year after it was founded.
Nanostellar is headquartered in Redwood City, United States. It is registered at Redwood City, California, United States.
Nanostellar is a funded company, having raised a total of $24.15M across 7 funding rounds to date. The company's 1st funding round was a Series A of $3M, raised on Jun 2004.
Nanostellar was founded in 2003 in Redwood City, United States, focusing on the automotive and stationary power sectors. Nano-engineered materials containing precious metals are produced to support diesel emissions-control standards in Europe, the United States, and Asia. These catalysts are designed to lower exhaust emissions while enhancing precious metal efficiency by 25-30. The Rational Catalyst Design approach integrates computational materials science, synthesis methods, and chemical engineering for material development.
Nanostellar's top competitors include Eden Innovations, Argo Fuels and SDC Materials.
Nanostellar has 4 investors. Key investors include Khosla Ventures, 3i Group, Monitor Ventures, and Firelake Capital.
Nanostellar operates through Nanostellar Inc.