About Factorial Energy
Factorial Energy is a publicly listed company based in Woburn (United States) founded in 2013 by Hector Abruna, Siyu Huang, and Alex Yu. Sustainable solid-state batteries are developed for vehicles and infrastructure. Factorial Energy has raised $244.19 million across 11 funding rounds from investors including Kia, Hyundai Motor Company and Mercedes-Benz. Its chief executive, as recorded, is Siyu Huang. Its website factorialenergy.com draws about 12 thousand monthly visits. Factorial Energy offers products and services including Solid-State Batteries and FEST Services. Its focus areas include Energy Tech, Energy Storage Tech, Battery and Secondary Battery. Its competitors include Solid Power, QuantumScape and Cuberg; 2 of its 3 listed competitors have raised funding.
Company details
Factorial Energy was founded in 2013 and is based in Woburn, United States. Solid-state batteries are developed for applications in electric vehicles, homes, and critical infrastructure within the energy sector. Operations center on creating technology that emphasizes safety, sustainability, and scalability. The companys work addresses needs in advanced battery systems for diverse power requirements.
- Headquarters Woburn, United States
- Founders Hector Abruna, Siyu Huang, Alex Yu
- Stage Public
- SectorsEnergy & Utilities
- Email••••••••
- Phone•••• ••••
- Website factorialenergy.com
- Social LinkedIn X
- Legal Name Cartesian Growth Corporation Iii
- Total Equity Funding$244.19M (USD)
in 11 rounds
- InvestorsKia
& 9 more
Products & Services of Factorial Energy
Factorial Energy offers a comprehensive portfolio of products and services, including Solid-State Batteries and FEST Services.
High-performing batteries for electric vehicles and safety-focused applications.
Customizable services for battery specifications and product testing.
Funding Insights of Factorial Energy
Factorial Energy has successfully raised a total of $244.19M across 11 strategic funding rounds. 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 $244.19M
- Total Rounds 11
- Investors Count 10
Latest 10 of 11 funding rounds of Factorial Energy 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 |
|---|---|---|---|---|---|
| Jan 2026 | Series D | – | – | – | |
| Jan 2022 | $200M | Series D | – | Mercedes-Benz, Stellantis | – |
| Nov 2021 | Series B | – | Stellantis | ||
| Nov 2021 | Series B | – | Hyundai Motor Company, Kia | – | |
| Feb 2021 | $17.19M | Series B | – | – | – |
| Sep 2019 | $5.52M | Debt – Conventional | – | – | – |
| Mar 2019 | $2.5M | Debt – Conventional | – | – | |
| Sep 2018 | $22M | Series B | – | WAVE Equity Partners, Helios Climate Ventures | – |
| Nov 2016 | $5M | Series A | – | – | |
| Nov 2014 | $250,000 | Grant | – | – |
10 investors in total: 10 institutional.
Investors in Factorial Energy
Factorial Energy has secured backing from 10 investors, including institutional and venture fund investors. Prominent investors backing the company include Kia, Hyundai Motor Company and Mercedes-Benz.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Impact-focused growth equity investments are made in sustainable industrial solutions. | waveep.com | Boston, USA | ||
| helioscv.com | ||||
| nxtventures.com | ||||
Mercedes-Benz is recognized for manufacturing luxury and electric vehicles. | 1926 | mercedes-benz.com | Stuttgart, Germany | |
Commercial vehicles, SUVs, and automobiles are manufactured globally. | 2021 | stellantis.com | Amsterdam, Netherlands | |
Passenger vehicles including sedans, SUVs, and electric models are manufactured. | 1967 | hyundai.com | Seoul, South Korea | |
Motor vehicles and parts are manufactured, imported, distributed, and sold. | 1994 | kia.com | Irvine, United States | |
Provider of financing, real estate, and community development solutions | 1998 | massdevelopment.com | Boston, United States | |
Lead-acid and lithium-ion batteries are manufactured for global applications. | 2001 | dynavolt.net | Shantou, China | |
Provides the information about government agencies in New York | ny.gov | United States |
Investor details for Factorial Energy
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
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People of Factorial Energy
26 people are tracked at Factorial Energy (9 in leadership, 17 in team).
| Name | Role | Group |
|---|---|---|
Hector Abruna | Co-Founder | Leadership |
Siyu Huang | Co-Founder & CEO | Leadership |
Alex Yu | Co-Founder & CTO | Leadership |
Srinath Chakravarthy | Senior Director - R&d, Simulation And AI | Leadership |
Daniel Jossman | VP Of Business Operations | Leadership |
Osamu Nunokawa | Representative Director Factorial Japan K K | Leadership |
Hyunseok Kim | VP Of R&d | Leadership |
Joanna Burdyńska | Director Research And Development | Leadership |
Raimund Koerver | Vice President Of Business Development | Leadership |
Nicolas O'Leary | Laboratory Technician | Team |
Célestine Singer | Corporate Strategy Intern | Team |
Jungin Kim | Senior Engineer | Team |
Shannon Commins | Research And Development Engineer I | Team |
Takaaki Miki | R&d Engineer | Team |
Hyeunhwan An | Manager, Advanced Cell Development | Team |
Yu-Ying Lin | Senior Scientist | Team |
Tom Chmielewski | Information Technology | Team |
Sheng-Lun Liao | Staff Scientist | Team |
Yiqing Huang | Senior Battery Scientist | Team |
Chen Z. | Senior Battery Modeling Engineer | Team |
6 more people are available in the full profile.
Complete people profiles for Factorial Energy
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
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IPO & Listings of Factorial Energy
Factorial Energy is a publicly listed company on the NASDAQ with ticker symbol FAC in USA, operating in the Finance sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.
- Listed onNASDAQ: FAC
- Listed entityFactorial Energy Inc.
- Exchange sectorFinance
- ISINUS30347G1031
- Share price$10.38 (-0.19% on the day) · 2026-05-11
- Market capitalisation$358.1M
- Price to earnings57.6
- EPS (diluted, trailing year)$0.18
- Volume (last session)49,869
- Analyst consensusNo rating
Timeline of Factorial Energy
3 dated milestones of Factorial Energy across 13 years, from founding to its latest funding, stage changes and deals.
- Founded Factorial Energy is founded.
- Funding First funding round.
- Funding Latest funding round, Series D,.
Competitors of Factorial Energy
Factorial Energy has 3 listed competitors in our database, 2 of them funded. They include Solid Power, QuantumScape and Cuberg.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| solidpowerbattery.com | 2011 | Louisville, United States | $182.02M | 270 | Solid-state lithium-ion batteries are developed with solid electrolyte layers. | |
| quantumscape.com | 2010 | San Jose, United States | $1B | 850 | Solid-state lithium-metal batteries are manufactured with anode-less cell design. | |
| cuberg.net | 2015 | Stanford, United States | 128 | Lithium-ion batteries are developed using a patented solid electrolyte. |
Detailed competitors of Factorial Energy
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
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Web traffic of Factorial Energy
The website of Factorial Energy (factorialenergy.com) receives about 12.2K visits a month.
- Monthly visits12.2K
▲ 14.3% vs previous month
Websites whose visitors overlap most with Factorial Energy. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
greencarcongress.com | greencarcongress.com | 100% | – | ||
| chargedevs.com | 98% | #523,106 | View details | ||
journalauto.com | journalauto.com | 78% | #500,743 | – | |
| licarco.com | 68% | 40.6K | #784,399 | View details | |
| stellantis.com | 59% | 3M | #21,061 | View details |
Top companies in Energy Storage Systems
3 companies that operate in the same segment as Factorial Energy (Energy Storage Systems) in United States, ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Electric buses and charging systems are manufactured for fleets. | 2004 | Burlingame, California, United States | USD 857.79 M | USD 309.36 M | 418 | |
Silicon-based solar PV modules are manufactured for diverse applications. | 1985 | San Jose, California, United States | USD 171.73 M | USD 300 M | 600 | |
Iron-air energy storage systems are developed for renewable energy projects. | 2009 | Somerville, Massachusetts, United States | USD 2 B | 902 |
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Related news about Factorial Energy
Complete news archive for Factorial Energy
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Frequently Asked Questions about Factorial Energy
Factorial Energy was founded in 2013 and raised its 1st funding round 1 year after it was founded.
Factorial Energy is headquartered in Woburn, United States. It is registered at Woburn, Massachusetts, United States.
Siyu Huang is the CEO of Factorial Energy, as recorded in our data. They have also founded this company.
Factorial Energy is a funded company, having raised a total of $244.19M across 11 funding rounds to date. The company's 1st funding round was a Grant of $250K, raised on Jun 2014.
Factorial Energy was founded in 2013 and is based in Woburn, United States. Solid-state batteries are developed for applications in electric vehicles, homes, and critical infrastructure within the energy sector. Operations center on creating technology that emphasizes safety, sustainability, and scalability. The companys work addresses needs in advanced battery systems for diverse power requirements.
Factorial Energy's top competitors include Solid Power, QuantumScape and Cuberg.
Factorial Energy offers Solid-State Batteries and FEST Services.
Yes, Factorial Energy is publicly traded on NASDAQ under the ticker symbol FAC.
Factorial Energy has 10 investors. Key investors include Kia, Hyundai Motor Company, Mercedes-Benz, New York State, and Stellantis.