Lumentum Holdings Inc. has announced its financial results for the fourth quarter and full fiscal year 2025. The company reported a net revenue of $480.7 million for the fiscal fourth quarter, an increase from the previous quarter's $425.2 million. The GAAP gross margin for the fourth quarter stood at 33.3%, while the non-GAAP gross margin was 37.8%. Lumentum experienced a GAAP operating loss of 1.7% and a non-GAAP operating margin of 15.0%. For the entire fiscal year 2025, Lumentum achieved a net revenue of $1.65 billion. The GAAP gross margin for the year was 28.0%, with a non-GAAP gross margin of 34.7%. The company reported a GAAP operating loss of 10.9% and a non-GAAP operating margin of 9.7%. Looking ahead to the first quarter of fiscal year 2026, Lumentum provides an outlook with expected net revenue ranging from $510 million to $540 million and a non-GAAP operating margin between 16.0% and 17.5%. The company anticipates continued strong demand for its AI data center and long-haul solutions, projecting to surpass $600 million in quarterly revenue by June 2026 or earlier.