Alphatec Holdings Inc. (NASDAQ: ATEC) saw its stock surge 13.42% in after-hours trading on Thursday following the release of its second-quarter 2025 earnings report, which significantly exceeded analyst expectations. The spine surgery technology company reported impressive growth and improved profitability, demonstrating strong market positioning and execution of its strategic initiatives.

The company's Q2 results showcased remarkable performance across key metrics. Alphatec reported adjusted earnings per share of $0.02, beating the analyst consensus estimate of -$0.19 by a substantial 110.64%. This represents a significant turnaround from the $0.29 loss per share in the same period last year. Quarterly sales reached $186 million, surpassing the estimated $178.851 million by 4% and marking a 27.77% increase year-over-year. Notably, surgical revenue saw a robust 29% growth, underlining the company's success in expanding its market presence.

Alphatec also raised its financial outlook for the full year, expecting revenue to grow 21% to $742 million. This optimistic forecast, coupled with an increase in non-GAAP adjusted EBITDA to approximately $83 million (up from the previous expectation of $78 million), signals strong confidence in the company's growth trajectory. The positive results and upbeat guidance have clearly resonated with investors, driving the significant after-hours stock price appreciation.