Marvell to buy Nvidia-backed Lumentum in a $115bn all-stock deal
Marvell Technology agreed to buy Lumentum in an all-stock deal valued at $115bn, including debt. Lumentum shareholders will receive 4.5 Marvell shares per share, a 23.9% premium. The deal, subject to approvals, is expected to close in early 2028. Marvell's revenue doubled from $3bn in 2021 to $8.2bn in 2026. Both shares fell post-announcement.
How this was made

The 30-second read
Why it matters
The all‑stock structure ties the valuation of Lumentum to Marvell’s share price, leading to immediate sell‑offs for both stocks as investors assess integration risk and premium adequacy.
Market read
The $115 bn all‑stock acquisition is the largest tech deal of 2026, driving immediate price moves and sector‑wide attention.
What to watch
Regulatory approval risk and potential U.S. export restrictions on optical components to China could affect deal completion.
Background
Marvell (MRVL) and Lumentum (LUMN) are U.S. listed semiconductor companies; the deal creates a vertically integrated AI‑data‑center hardware provider.
Ticker impact
Marvell announced an all‑stock acquisition of Lumentum valued at $115 bn, causing its shares to fall about 5% in morning trading.
likely pressure as the market prices in the share‑exchange ratio and integration risk
The all‑stock structure makes Marvell’s valuation sensitive to its own share price; the announcement triggered an immediate 5% drop.
Market effects
The deal consolidates the optical‑connectivity market, potentially intensifying competition with Broadcom and reshaping the AI‑infrastructure supply chain.
U.S. semiconductor sector may see short‑term volatility as investors reprice exposure to large‑scale M&A.
The transaction is the largest tech‑sector M&A of 2026, influencing global AI‑hardware investment sentiment.
Counterpoint
If integration succeeds, the combined entity could capture a $550 bn market, offering upside beyond the near‑term price drop.
Key entities
- CompanyMarvell Technology
Acquirer, US‑listed semiconductor firm (ticker MRVL).
- CompanyLumentum Holdings
Target, US‑listed optical components maker (ticker LUMN).




