The Marvell Lumentum deal announced on Monday, November 2, will see Marvell Technology acquire optical components maker Lumentum Holdings in an all-stock transaction valued at about $115 billion. The agreement joins a maker of custom chips for data centres with a maker of lasers and optical parts, in a bet that light-based connections will carry a growing share of traffic inside artificial intelligence data centres.
Under the Marvell Lumentum deal terms, each Lumentum share will convert into 4.5 Marvell shares, or about $1,132 per Lumentum share. That represents a premium of roughly 23.9% to the closing price on October 28, the last trading day before reports of deal talks surfaced. After closing, current Marvell holders would own about 67% of the combined company on a fully diluted basis and Lumentum holders about 33%.
Marvell Lumentum deal terms and leadership
Both boards approved the agreement unanimously, the companies said. Marvell Chairman and Chief Executive Matt Murphy would continue to lead the combined company, and three Lumentum directors, including Lumentum Chief Executive Michael Hurlston, would join a seven-member Marvell board. The companies expect the transaction to close in the first half of calendar 2028, subject to approval by shareholders of both companies and by regulators.
Management said the Marvell Lumentum deal gives a path to more than $1 billion in annual run-rate cost savings and expects the deal to add to Marvell earnings per share on a non-GAAP basis in the first year after closing. Hurlston said in the release that joining Marvell positions the combined company for a market opportunity of $550 billion. Because the payment is entirely in stock, Marvell is not taking on new financing for the purchase, but its shareholders accept dilution of about one-third of the combined company.
Why optical links matter for AI data centres
Copper wires carry the shortest links inside data centres today, but their reach shortens as speeds rise, and the industry has been moving parts of the network to light. Marvell already bought into that shift earlier in 2026 when it acquired Celestial AI, a company with optical multi-chip interconnect technology. Lumentum adds the part Marvell did not own, the light source itself, in the form of lasers and optical switches.
Under the Marvell Lumentum deal, owning both the electrical side and the photonics side lets Marvell sell a combined connectivity package to large cloud customers, rather than selling only one half of a link. The companies argue that this matters as clusters grow larger and as the power used by connections becomes a bigger part of running a data centre. Nvidia, the dominant maker of AI chips, invested $2 billion in Lumentum in March as part of a laser supply agreement and separately invested $2 billion in Marvell optical work, according to reports of the deal, so the same large customer and investor sits on both sides of the transaction.
Marvell Lumentum deal market reaction
Markets did not greet the Marvell Lumentum deal warmly. Reuters reported that Marvell shares tumbled on Monday and Lumentum also fell, in a session when chip stocks led a broader technology decline. Both stocks had traded higher in pre-market trading before halts in the shares ahead of the announcement, Yahoo Finance noted. The Nasdaq Composite closed down 1.07% at 25,164.32, after the index lost more than 5% in October amid concern that AI spending is outpacing near-term cash generation.
The Marvell Lumentum deal fixed exchange ratio means the dollar value Lumentum holders receive will move with the Marvell share price until closing, which is still more than a year away. That structure puts attention on Marvell trading between now and the shareholder votes, and on the regulatory path, given the long timeline to 2028 and the importance of AI networking parts. Rival chip and optical suppliers may also respond with deals of their own, and Advanced Micro Devices reports after the close on Tuesday, giving investors another read on AI chip demand.
Lumentum results released with the deal
Lumentum released results alongside the Marvell Lumentum deal announcement. For its fiscal first quarter, the company reported adjusted earnings of $4.57 a share on revenue of $1.26 billion, compared with $1.10 a share and $533.8 million a year earlier. Adjusted gross margin rose to 53.2% from 39.4%. The company guided fiscal second-quarter revenue to $1.575 billion to $1.625 billion, above the $1.48 billion consensus cited by Yahoo Finance.
Marvell separately said in the Marvell Lumentum deal materials that preliminary fiscal third-quarter revenue is consistent with prior guidance. The two companies will file a registration statement and joint proxy statement with the United States Securities and Exchange Commission, which should add detail on combined finances and costs to be cut. Until closing, Marvell and Lumentum keep operating and selling as separate, independent companies.