Key Highlights
- Factorial Energy finalized its SPAC combination with Cartesian Growth Corporation III and launched trading on Nasdaq with ticker symbol FAC
- Shares of FAC stock finished the inaugural session 16% higher at $13.80
- The transaction generated more than $100 million in capital and established a valuation of approximately $1.3 billion
- Factorial specializes in solid-state battery technology with strategic automotive collaborators such as Mercedes-Benz, Hyundai, and Kia
- Battery shipments for the Karma luxury vehicle are scheduled for 2027 or 2028, while defense and aerospace sectors represent immediate revenue opportunities
Factorial Energy made its public market entrance on Monday following the completion of its combination with special purpose acquisition company Cartesian Growth Corporation III. The newly merged entity now operates on Nasdaq using the ticker symbol FAC.
Shares of FAC stock ended the debut session at $13.80, representing a 16% increase. By comparison, the S&P 500 advanced 0.3% during the same trading period, while the Dow Jones Industrial Average declined 0.2%.
Cartesian Growth Corporation III Class A Ordinary Shares, FAC
The combination agreement assigned Factorial an enterprise value near $1.3 billion. Based on Monday’s final price, the market capitalization reached approximately $1.8 billion. As a point of reference, QuantumScape (QS), the more established competitor in solid-state batteries, carries a market value around $4.7 billion.
The deal generated over $100 million in gross capital to support ongoing research and development initiatives. A portion of these funds will be allocated toward establishing manufacturing capabilities tailored to premium customers in defense and aerospace industries.
Factorial specializes in solid-state battery technology, which eliminates liquid electrolyte components. The company’s value proposition centers on reduced costs, accelerated charging times, extended range, and enhanced safety profiles versus traditional lithium-ion batteries. The challenge — consistent across the solid-state industry — remains achieving large-scale commercial production.
A distinguishing characteristic separating Factorial from competitors like QuantumScape is its battery design incorporates trace amounts of liquid, enabling compatibility with current battery manufacturing infrastructure. This approach could provide significant advantages when transitioning to volume production.
Automotive Collaborations and Development Timeline
Factorial’s automotive partners encompass Mercedes-Benz, Stellantis, Hyundai, and Kia. During 2024, the company delivered B-sample units to Mercedes — essentially working prototypes for evaluation. Mercedes subsequently conducted a 1,205-kilometer journey from Stuttgart to Malmö on a single charge utilizing a test vehicle equipped with Factorial’s FEST® battery cells.
The development sequence progresses from B samples to C samples for manufacturing validation, followed by D samples representing production-ready specifications. Factorial continues advancing through this qualification process.
The initial planned production deployment for a passenger automobile in the United States involves Karma Automotive, with an anticipated launch window of 2027 or 2028.
CEO Siyu Huang indicated the company will manufacture batteries for specialized customers at a Korean facility. Defense sector applications offer less price sensitivity, positioning them as viable initial commercial targets while solid-state production costs remain elevated.
Diversification Beyond Electric Vehicles
Factorial has actively pursued market opportunities outside the electric vehicle segment. During Q1 2026, In-Q-Tel — the strategic investment organization associated with U.S. national security agencies — completed a strategic investment facilitating expansion into unmanned aerial systems and robotics applications.
In Q2 2026, Factorial disclosed collaborative agreements with drone system integrators spanning three continents, including partnerships with KULR Technology Group, Tulip Tech, and JRES, focused on electric aviation platforms.
The company’s official Nasdaq Opening Bell ceremony is scheduled for June 17, 2026, featuring demonstration vehicles and battery technology displays outside the exchange building from 10:00 a.m. through 11:30 a.m. Eastern Time.
Cartesian Growth Corporation III Chairman Peter Yu stated the firm is participating as the anchor investor in the common-equity PIPE transaction and views Factorial as a compelling long-term investment prospect.
QuantumScape stock declined marginally by 0.1% on Monday.



