Marvell to acquire Lumentum in a $115 billion AI-connectivity deal

The deal, from Marvell's investor press release of Nov 2, 2026: Lumentum shareholders receive 4.500 Marvell shares for each Lumentum share — about $1,132 a share, a 23.9% premium to Lumentum's Oct 28 close — valuing the combination at roughly $115 billion of enterprise value and about $80 billion of equity value. Marvell holders will own about 67% of the combined company and Lumentum holders about 33%. The close is expected in the first half of 2028, subject to shareholder and regulatory approval — this is an agreement, not a completed merger.

Why these two: Marvell builds custom silicon and networking chips for AI data centres; Lumentum makes the lasers and photonic components that move data between GPUs over fibre. Together they cover the connection layer of an AI factory — the part that has become a bottleneck and a major cost as clusters scale from racks to buildings. Coverage of the deal notes that NVIDIA has about $2 billion invested in each of the two companies, which underlines how central both already are to the GPU supply chain.

The market's first verdict was sceptical: both stocks fell on Nov 2 (Marvell about 12.7% in market reports), and the deal was cited among the drivers of a wider AI-infrastructure selloff on Nov 3. A close two years out, at a premium, in a market this volatile will be argued over for a while; the terms above are the ones in the release, and the reaction figures are market reporting, labelled as such.

What it does not do: change any GPU rental price today. No provider's rates, capacity or regions move because of this announcement, and nothing on our price board is affected. Its significance for renters and buyers is slower and structural — consolidation among the handful of suppliers every large cluster depends on for optics and interconnect is worth watching long before it shows up in an hourly rate.