Lumentum Holdings shares experienced a modest pullback on Friday, declining 3.6% to $829.55, as investors took some profits off the table following an extraordinary rally tied to artificial intelligence infrastructure spending. The optical-networking supplier has become a key player in the AI data center buildout, with its stock soaring 135.4% year-to-date, dwarfing Nvidia's 19.9% return over the same period.
The company's recent financial performance has been stellar. In its fiscal third quarter, Lumentum reported revenue of $808.4 million, a 90.1% surge compared to the same period last year. GAAP net income reached $144.2 million, while non-GAAP earnings per share came in at $2.37. The cloud transceiver segment, a critical component for linking AI chips, saw shipments increase over 40% sequentially.
Looking ahead, management guided for fourth-quarter revenue between $960 million and $1.01 billion, with a non-GAAP operating margin of 35% to 36%. CEO Michael Hurlston highlighted the company's margin expansion as particularly noteworthy, stating that while revenue growth was impressive, the margin improvement was even more remarkable.
The optics sector has gained significant attention as investors look beyond graphics processors to the networking gear that enables AI clusters to operate efficiently. Optical transceivers, which convert electrical signals to light and back, are now viewed as a potential bottleneck in scaling AI systems. This has driven interest in companies like Lumentum, Coherent, and Applied Optoelectronics, though the latter two also saw declines on Friday.
Nvidia's strategic investment in Lumentum has further validated the company's technology. In March, Nvidia agreed to invest $2 billion in Lumentum through the purchase of Series A convertible preferred stock at $695.31 per share. The deal also includes a multi-billion-dollar purchase commitment for advanced laser components. Nvidia CEO Jensen Huang described the investment as supporting the largest computing infrastructure buildout in history.
However, risks remain. Lumentum has cautioned that product mix shifts, changes in customer demand, order delays, supply constraints, tariffs, and export controls could impact results. The company also noted that its ability to expand manufacturing capacity and meet quality and delivery targets remains uncertain.
Despite Friday's decline, the market continues to view Lumentum as a picks-and-shovels play on AI factories, rather than a traditional telecom components supplier. The pullback may simply reflect a reassessment of how much of the optical boom is already priced into the stock.
