Factorial Energy (FAC) Stock Surges 16% in Nasdaq Trading Debut Following SPAC Merger

Key Highlights

• Factorial Energy finalized its business combination with Cartesian Growth Corporation III, launching on Nasdaq with ticker symbol FAC
• Shares of FAC finished 16% higher at $13.80 during the inaugural trading session
• The transaction generated more than $100 million in capital for development and established a company valuation of approximately $1.3 billion
• The battery technology firm has secured early partnerships with major automakers including Mercedes-Benz, Hyundai, and Kia
• Initial commercial battery shipments are planned for the Karma supercar between 2027 and 2028, with defense and aerospace sectors identified as immediate revenue opportunities

Factorial Energy made its public debut this Monday following the completion of its business combination with special purpose acquisition company Cartesian Growth Corporation III. The newly combined entity commenced trading on the Nasdaq exchange using ticker symbol FAC.

Shares of FAC concluded their first trading session at $13.80, representing a 16% increase. By comparison, the S&P 500 advanced 0.3% during the same period, while the Dow Jones Industrial Average declined 0.2%.

Cartesian Growth Corporation III Class A Ordinary Shares, FAC

The business combination assigned Factorial an enterprise value of approximately $1.3 billion. Based on Monday’s final trading price, the company’s market capitalization approaches $1.8 billion. As a reference point, QuantumScape (QS), a more established competitor in the solid-state battery sector, carries a market valuation of roughly $4.7 billion.

The deal structure provided Factorial with 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 for specialized customers in the defense and aerospace industries.

Factorial specializes in solid-state battery technology, which eliminates traditional liquid electrolytes. The company’s value proposition centers on reduced costs, accelerated charging times, extended driving range, and enhanced safety profiles versus standard lithium-ion battery technology. The challenge — shared across the entire solid-state industry — remains achieving large-scale commercial production.

A distinguishing characteristic separating Factorial from [[LINK_START_2]]QuantumScape[[LINK_END_2]] involves its batteries containing trace quantities of liquid components, enabling production using conventional battery manufacturing infrastructure. This approach could provide a significant competitive advantage during the scaling phase.

Major Automotive Collaborations and Development Timeline

Factorial counts Mercedes-Benz, Stellantis, Hyundai, and Kia among its automotive industry partners. Throughout 2024, the company delivered B-sample units to Mercedes — essentially working prototypes for testing purposes. Mercedes subsequently completed an impressive 1,205-kilometer journey from Stuttgart to Malmö on a single charge utilizing a demonstration vehicle equipped with Factorial’s FEST® battery cells.

The development progression moves from B samples to C samples for manufacturing process validation, followed by D samples representing production-ready specifications. Factorial continues advancing through this development sequence.

The company has identified its initial passenger vehicle production program in the United States as a collaboration with Karma Automotive, with a delivery timeframe targeting 2027 or 2028.

Chief Executive Officer Siyu Huang indicated the company will manufacture batteries for high-specification applications at a Korean manufacturing facility. Defense industry applications present fewer price constraints, positioning them as logical initial commercial targets while solid-state manufacturing expenses remain elevated.

Diversification Strategy Beyond Electric Vehicles

Factorial has actively pursued market expansion opportunities outside the electric vehicle sector. During the first quarter of 2026, In-Q-Tel — the strategic investment organization affiliated with U.S. national security agencies — completed a strategic investment facilitating expansion into unmanned aerial systems and robotics applications.

In the second quarter of 2026, Factorial revealed collaborative agreements with drone integration companies spanning three continents, including KULR Technology Group, Tulip Tech, and JRES, focused on electric aviation system applications.

The company has scheduled its Nasdaq Opening Bell ceremony for June 17, 2026, featuring exhibition vehicles and battery cell displays positioned outside the stock exchange between 10:00 a.m. and 11:30 a.m. Eastern Time.

Cartesian Growth Corporation III Chairman Peter Yu indicated his firm is providing anchor support for the common-equity PIPE investment and views Factorial as a compelling long-term value proposition for shareholders.

QuantumScape shares declined marginally by 0.1% on Monday.

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