Marvell Is Buying Lumentum for $115 Billion (No Cash Involved)
Most people have never heard of Marvell or Lumentum. That's fine. Their chips and lasers are probably working for you right now, every time you ask an AI chatbot something.
And on November 2, 2026, one of them agreed to buy the other for $115 billion.
Chip designer Marvell Technology says it will acquire Lumentum, a maker of lasers, optical transceivers and optical switches for data centers, in an all-stock deal. Lumentum shareholders get 4.5 Marvell shares for each share they own, which Marvell values at about $1,132 per share, a 23.9% premium over Lumentum's closing price on October 28.
For scale: Microsoft paid $68.7 billion for Activision Blizzard, the company behind Call of Duty. Marvell is paying way more than that for lasers.
The same thing your cat chases around the living room, just a lot more expensive.
So why lasers? Inside an AI data center, thousands of chips talk to each other nonstop, and copper cables are hitting their limits. Light is faster and wastes less energy. Marvell builds the chips, Lumentum builds the light. Together, Marvell says, they become "a category leader in AI connectivity".
Marvell CEO Matt Murphy calls it "an opportunity that comes along once in a generation". He stays on as chairman and CEO, and Lumentum CEO Michael Hurlston joins Marvell's board.
And notice the payment method. No cash at all. Marvell is paying with its own shares, which have more than doubled this year on AI hype.
It's like buying your friend's car with your concert tickets, at the price the tickets were worth last night.
Personally, I think this deal says more about the AI boom than any chatbot launch. The big money has moved from the apps to the pipes behind them.
But careful: investors didn't throw a party. Marvell shares fell more than 4% on Monday, and Lumentum slipped too. Shareholders of both companies still have to vote, regulators have to approve it, and the companies expect to close in the first half of 2028.
And since it's paid in stock, every bad day for AI shrinks the price tag.
Data centers are even getting new names. Read OpenAI wants to call data centers "AI compute campuses".
In a gold rush, sell shovels. In the AI rush, apparently, you sell lasers for $115 billion.
Photo: Marvell Technology