Lumentum Posts Record Results on Strong AI Data-Center Demand

Lumentum supplies optical communications components including transceiver modules and lasers. AI clusters must move vast amounts of data between servers at high speed, making optical interconnects critical to data-center expansion. NVIDIA’s $2 billion investment in March 2026 underscored the strategic value of Lumentum’s technology and supply capabilities.

Lumentum on May 5, 2026, reported fiscal third-quarter revenue for the period ended March 28 of a record $808.4 million, up 90% from a year earlier. Adjusted earnings were $2.37 per share, above the market estimate of $2.27. The company forecast fourth-quarter revenue of $960 million to $1.01 billion, but the current portion of long-term debt rose to $3.24 billion, keeping the sustainability of its growth in focus.