Once known mainly for supplying telecom and fiber-optic components, Lumentum Holdings (LITE) has moved closer to the heart of the artificial intelligence (AI) buildout, where data centers increasingly demand faster, higher-bandwidth connections. The strategic shift is becoming visible in its financial results.

The company delivered Q4 FY2026 results, with revenue and earnings beating Wall Street expectations and extending its streak to eight consecutive quarters of revenue growth. Sales increased by triple digits year-over-year (YOY), powered by demand for optical components used in AI data centers, reinforcing its AI-driven growth…