Last year, ADTRAN Holdings Inc generated 330.78M USD for its biggest-performing segment, Subscriber Solutions & Experience. The United States made the largest contribution, accounting for 398.17M USD last year. For the latest quarter, ADTRAN Holdings Inc reported the revenue of 109.68M USD for the period ending 2026-06-30, which came from the top-performing segment, Optical networking solutions. United States contributed the highest revenue, at 134.41M USD.