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J-Star Holding Co. (YMAT) shares exploded more than 220% on Friday, marking their biggest single-day surge on record, after investors piled into the stock on optimism that a crucial financing update could pave the way for the company’s planned solid-state battery manufacturing facility.
The company signed a non-binding memorandum of understanding with White Group to help secure funding for its planned automated battery production facility in Texas.
As a part of the deal, White Group will help introduce the company to U.S.-based private equity investors for a proposed $100 million funding round. The investment is expected to support construction, automation systems, workforce training, infrastructure development, and technical milestones tied to customer qualification and potential federal funding.
“Following our partnership with Patriot Green Energy Technology, our Department of Energy grant application, and the securing of our Baytown site, we are now focused on building the capital structure required to bring this project into execution,” said Jonathan Chiang, CEO and Chairman of J-Star.
The proposed financing effort supports J-Star’s partnership with Patriot Green Energy Technology to develop polymer-based solid-state batteries. The project includes plans for a 100-megawatt-hour automated production line to supply batteries for unmanned aerial vehicles, drones, aerospace, and defense applications.
The partnership is part of a larger U.S.–Taiwan Agreement on Research and Technology (ART) framework, which includes $250 billion in planned Taiwanese investment in the U.S. across the semiconductor, AI, energy, and defense sectors.
Retail sentiment for YMAT on Stocktwits turned ‘extremely bullish’ from ‘bullish’ a day earlier, while message volumes on the platform remained ‘extremely high.’
One user said the stock looks set to test $1. The stock last traded above that level on Oct. 30, 2025. The Nasdaq issued a notice on Dec. 16, 2025, giving the firm 180 days to regain compliance with the $1 minimum bid price.
YMAT shares have gained around 39% so far this year.
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