Factorial Energy develops solid-state battery technology for electric vehicles and advanced applications. The company's proprietary FEST® (Factorial Electrolyte System Technology) and Solstice™ platforms deliver higher energy density, enhanced safety, and compatibility with existing lithium-ion manufacturing equipment. Founded in 2013 and headquartered in Woburn, Massachusetts, Factorial has established joint development agreements with global automakers including Mercedes-Benz, Stellantis, Hyundai, and Kia to commercialize next-generation solid-state battery solutions.
Factorial (Battery Tech) is publicly traded
IPO'd on Jun 8, 2026
This company is no longer available on our private secondary market. Shares can be traded publicly under its listed ticker.
Company data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Founded
2013
Total Funding
$340M
5 rounds
Last Private Valuation
$1.3B
Jun 8, 2026
Secured strategic investments from IQT, Philenergy and POSCO Future M to expand into drones/robotics
Corporate strategic backing ahead of IPO signals demand validation, not a new valuation mark
Funding data and valuation marks are estimates and may be incomplete, stale, erroneous, or revised.
Total raised $340M across 5 rounds
Last updated 08-04-2026
| Date | Round | Amount Raised | Valuation | Lead Investors |
|---|---|---|---|---|
| Jun 8, 2026 | De-SPAC listing (merger with Cartesian Growth Corp III; Nasdaq FAC/FACWW) Press release | ~$100M+ gross proceeds | $1.3B | Not disclosed |
| Mar 10, 2026 | Strategic financing (drones/robotics expansion) Press release | Not disclosed | — | Not disclosed |
| Jan 20, 2022 | Series D Press release | $200M | — | Mercedes-Benz, Stellantis |
Siyu Huang
Founder & CEO
Alex Yu
Co-Founder & CTO
Hector Abruna
Co-Founder
Jason Duva
General Counsel & Head of Government Affairs
Factorial Energy announced a business combination agreement with Cartesian Growth Corporation III (NASDAQ: CGCT) in December 2025, valued at approximately $1.1 billion pre-money. The merger is expected to be completed by mid-2026, with the combined company set to list on the Nasdaq under the ticker symbol FAC. The deal includes $100 million in new capital from institutional investors, with pro forma equity value of approximately $1.5 billion upon closing assuming no redemptions.
Factorial (Battery Tech) shares can be purchased through any standard brokerage account — including Fidelity, Charles Schwab, TD Ameritrade, and online platforms like Robinhood or E*TRADE. Search for the ticker to place an order.
Factorial (Battery Tech) went public in Jun 8, 2026 via ipo, with an offering valuation of approximately $1.3B. Factorial Energy announced a business combination agreement with Cartesian Growth Corporation III (NASDAQ: CGCT) in December 2025, valued at approximately $1.1 billion pre-money. The merger is expected to be completed by mid-2026, with the combined company set to list on the Nasdaq under the ticker symbol FAC. The deal includes $100 million in new capital from institutional investors, with pro forma equity value of approximately $1.5 billion upon closing assuming no redemptions.
Factorial (Battery Tech) raised $340M across 5 disclosed funding rounds prior to its public listing.
Factorial (Battery Tech) was co-founded by Siyu Huang, Alex Yu, and Hector Abruna in 2013.
Factorial (Battery Tech) is headquartered in Woburn, MA, United States.
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