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This Month's Exclusive Content
Lumentum's 1,500% Run and Nvidia's $2 Billion Deal: What Comes Next?Written by Chris Markoch. Article Published: 4/9/2026. 
Key Points
- Lumentum surged by more than 1,400% as AI infrastructure demand drove momentum and led to its S&P 500 inclusion.
- A $2 billion partnership with NVIDIA positions the company at the center of next-gen optical networking.
- Despite strong catalysts, valuation, short interest, and capacity constraints suggest patience may be warranted.
- Special Report: Elon Musk’s $1 Quadrillion AI IPO
Investors may not have heard much about Lumentum Holdings Inc. (NASDAQ: LITE) in the mainstream financial press in 2025, but that’s changing fast. LITE has vaulted higher over the past year, and two newsworthy catalysts make the company hard to ignore as part of the ongoing artificial intelligence (AI) trade. Founded in 2015 as a spinoff from JDS Uniphase, Lumentum makes optical and photonic products used in telecommunications, 3D sensing and, increasingly, data center infrastructure. The company spent years as a relatively quiet supplier to the tech industry—well known inside the sector but rarely a headline name. That era appears to be over. Lumentum Rhymes With MomentumIt’s just a coincidence that Lumentum rhymes with momentum. The stock was relatively quiet through 2025, but momentum accelerated into 2026: LITE has climbed about 140% year to date.
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Part of that growth reflected anticipation of inclusion in the S&P 500, a distinction announced on March 10. Being added to the index doesn’t change a company’s fundamentals. And unlike the case of Palantir Technologies Inc. (NASDAQ: PLTR), inclusion didn’t materially increase institutional ownership of LITE—over 94% of the float is already owned by institutions. The more significant driver was a partnership announcement with NVIDIA (NASDAQ: NVDA) to accelerate innovation in advanced optics technologies. NVIDIA will pay Lumentum $2 billion, which exceeds the company’s total revenue for its 2025 fiscal year. Why NVIDIA Is Betting on LumentumInvestors may be experiencing data center fatigue as reflected in many tech stocks that have plunged on concerns the buildout may not meet expectations. But Lumentum sits in the photonics market, which is forecast to grow at a compound annual growth rate (CAGR) of about 6.6% through 2030. Photonics connects data center components with light, allowing signals to travel faster and—with lower heat generation—more efficiently than traditional copper interconnects. Copper remains the current standard because it’s cheaper, and it will likely remain widely used. Still, a tightening in copper supply has opened the door for photonics companies to win design-ins and market share. For NVIDIA, the partnership is less about immediate necessity and more about positioning for the future. As AI clusters scale to hundreds of thousands of GPUs, the bandwidth and thermal limits of copper interconnects become harder to manage. By locking in a deep relationship with one of the leading optical component makers, NVIDIA is effectively hedging against infrastructure constraints that could slow AI buildouts. For Lumentum, the $2 billion commitment provides capital to expand manufacturing capacity and accelerate R&D at a pace that would have been difficult to fund organically. A Trend Reversal Worth WatchingInclusion in the S&P 500 may not drastically change long-term institutional interest, but it can affect sentiment and demand. In the past two quarters, institutions have been net sellers of LITE—not necessarily a rejection of the business, but an acknowledgment that the stock had run ahead of fundamentals. Now that Lumentum is in the S&P 500, many index funds must own LITE. That mandatory demand may not alter the company’s long-term outlook, but it could help set a higher near-term floor for the stock. Traders May Want to Wait for a PullbackThe LITE chart shows investors bought the stock in advance of its S&P 500 debut. The shares rallied strongly between March 10, when the inclusion was announced, and March 23, when trading as part of the index began.  Some of those gains were driven by short covering: LITE carries short interest around 16%. That level isn’t extreme, but it is elevated historically and was rising as the stock advanced. The rally has also pushed LITE’s valuation to lofty levels, even by technology sector standards. Looking ahead, LITE may need fresh catalysts to push higher. Investors will be watching the company’s Q3 2026 earnings report scheduled for May 5. At that time, the market will want to hear concrete progress on easing manufacturing constraints and on ramping capacity to meet NVIDIA-related demand. The bull case argues the NVIDIA partnership and S&P 500 inclusion mark the beginning of a longer re-rating. But given constrained capacity, elevated short interest and a stock that has already made a sharp move, patience may be the most prudent position right now. The May earnings report should provide the clearest read on whether Lumentum’s fundamentals are catching up to its stock price. |
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