Grid Dynamics Holdings, Inc. (GDYN) saw its stock surge 5.26% in trading on Thursday, following the release of impressive third-quarter 2025 financial results and the announcement of a new share repurchase program. The company's performance exceeded expectations, driven by robust revenue growth and strategic focus on high-growth sectors such as AI and fintech.

Grid Dynamics reported Q3 revenues of $104.2 million, representing a 19.1% year-over-year increase and slightly beating analysts' expectations of $103.70 million. The adjusted earnings per share of $0.09 met Wall Street estimates. Notably, the company's Technology, Media, and Telecom (TMT) vertical surpassed the Finance sector to become the largest revenue contributor at 27.4%. AI-related revenue showed significant growth, increasing 10% sequentially and now accounting for over 25% of organic revenue.

Investors were further encouraged by Grid Dynamics' positive outlook for Q4 2025, with projected revenues between $105.0 million and $107.0 million. The company also expects to improve its margins by at least 300 basis points over the next 12 months. In a move that bolstered investor confidence, Grid Dynamics' board authorized a $50.0 million share repurchase program. With a strong cash position of $338.6 million and continued growth in key sectors, the company appears well-positioned for future success, prompting the significant stock price increase.