LITE · Lumentum Holdings Inc.

Lumentum delivered a materially strong fiscal Q3 FY2026, marked by record $808.4 million in revenue — up 90.1% year-over-year and 21.5% sequentially — driven by robust demand across its photonics portfolio. Management attributed the outsized growth and margin expansion to three interlocking factors: operational rigor, pricing discipline, and a highly favorable product mix. Notably, strength extended beyond headline growth areas like laser chips to include underappreciated ‘scale-across’ components — specifically pump lasers and narrow linewidth laser assemblies — which contributed meaningfully to gross margin improvement of 540 basis points quarter-over-quarter (Non-GAAP) and 810 bps (GAAP). Operating margin expanded even more sharply, rising 700 bps QoQ (Non-GAAP) to 32.2%, reflecting leverage on higher volumes and disciplined cost management. The balance sheet strengthened dramatically: total cash, cash equivalents, and short-term investments surged to $3,172.3 million, up $2,017.0 million from Q2, primarily fueled by proceeds from the March 2026 issuance of Series A Convertible Preferred Stock. Looking ahead, Lumentum’s Q4 FY2026 guidance anticipates continued momentum — revenue of $960–$1,010 million, Non-GAAP operating margin of 35.0–36.0%, and Non-GAAP diluted EPS of $2.85–$3.05 — with management explicitly citing co-packaged optics (CPO) and optical circuit switches (OCS) as emerging growth catalysts expected to further elevate earnings power. This performance underscores Lumentum’s strategic positioning in AI- and cloud-driven infrastructure, where its optical technologies serve as foundational enablers for next-generation data center connectivity.