T1 Energy shares surged 26% to close at $8.69 on Wednesday, May 20, 2026. The gain extended a recent rally for the energy company.

The company reported a GAAP EPS of $0.01 for the first quarter of 2026. This result beat analyst expectations by $0.15 per share. Revenue increased 232% year-over-year during the period.

A 13F filing revealed Leopold Aschenbrenner's Situational Awareness fund acquired a 10-million-share stake. Management also confirmed the G2_Austin solar cell facility remains on track for initial production in the fourth quarter of 2026.

The stock price rose despite a short-seller report released on May 19.