Marvell agrees to buy Lumentum in push for integrated AI data-center connections

Marvell Technology agreed on November 2 to acquire data-center optics maker Lumentum, bringing two parts of AI networking into one proposed business. Law360 reported an enterprise value of $115 billion. The companies’ case for combining is that faster AI systems need electrical and optical connections designed together, rather than assembled from separate suppliers’ products.

That reported valuation is distinct from the terms discussed by executives. MarketBeat’s account of the announcement call said the companies did not discuss transaction consideration or other deal terms. The acquisition remains pending; the expected financial benefits and board changes depend on closing.

Joint design instead of separate components

Marvell would contribute its electrical connectivity portfolio, while Lumentum would bring photonics—technology that uses light. According to MarketBeat, executives described optical links moving closer to computing hardware as copper connections run into bandwidth and energy-efficiency limits. Their goal is to address those constraints across more of the connections inside AI data centers.

Lumentum CEO Michael Hurlston pointed to near-packaged and co-packaged optics, approaches that bring optical connections closer to computing chips. He said the combination would allow joint design across the electrical and optical signal chain, including lasers, light detectors, signal-processing chips, amplifiers and silicon photonics.

Hurlston said Lumentum had considered staying independent and acquiring semiconductor businesses itself. It chose the Marvell combination as a more compelling route to emerging optical applications. Marvell CEO Matt Murphy, meanwhile, said short-term supply constraints did not drive the deal. He described a change in data-center architecture already underway.

This is fundamentally a shift in the architecture inside the data center

Matt Murphy, Marvell chairman and CEO, on the announcement call, as quoted by MarketBeat

A combined supplier still selling to competitors

The companies also bring different manufacturing models. Lumentum owns production capacity for indium phosphide, a semiconductor material used in lasers and other optical components. Hurlston said it is investing to expand laser capacity. Marvell, which relies on outside chip manufacturers, said it would continue working with supply-chain partners and investing in capacity.

Analysts asked about competition with module makers that buy Marvell components or Lumentum lasers. Both executives said they intended to keep supporting those customers. Murphy said established optical markets would retain their existing sales approach, including component sales to other module manufacturers. Hurlston noted that Lumentum already supplies lasers to companies it also competes with.

Savings first, a larger market later

Marvell estimates the combined business could address a $550 billion market by 2030, with most of the additional opportunity coming from near-packaged and co-packaged optics. That is management’s estimate of potential market demand, not a revenue forecast. Its nearer-term financial case rests on savings and improved profitability:

• CFO Dan Durn projected more than $1 billion in annual savings once fully realized, primarily from the cost of goods sold.
• Marvell expects the deal to improve adjusted gross margin, operating margin and earnings per share beginning in the first year after closing.
• Murphy also expects revenue benefits from broader product offerings and closer customer relationships, but did not put a figure on them.

The planned governance changes would bring Lumentum’s leadership into the buyer’s boardroom. Hurlston and two other Lumentum directors are expected to join Marvell’s board after closing. Murphy said Marvell’s previously presented standalone growth plans remain unchanged, with the Lumentum combination adding to those plans rather than replacing them.