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Marvell Technology Shares Fall After Agreeing to Acquire Lumentum

Marvell Technology shares fall 10% after agreeing to acquire optical laser maker Lumentum in an all-stock deal.

Updated 2 min read

Key points

  • Marvell agreed to acquire Lumentum in an all-stock deal valued at roughly $115 billion, a 24% premium.
  • Investors fear Marvell may be buying at the top, after Lumentum's stock rallied over the past two years.
  • Marvell sees opportunity in combining its technology with Lumentum's indium phosphide laser technology for next-gen AI systems.

Why it matters. The deal may strengthen Marvell's position in optical technology for next-gen AI systems, but investors fear it may be paying a steep price.

Shares of Marvell Technology fell 10% as of 12:54 p.m. EDT after the communications semiconductor giant agreed to buy optical laser leader Lumentum in an all-stock deal. The deal values Lumentum at roughly $115 billion, a 24% premium, and Marvell's purchase price is more than five times Lumentum's share price a year ago. Investors fear Marvell may be paying a steep price, while the company sees opportunity in combining its digital signal processors with Lumentum's indium phosphide laser technology.

Latest updates

Marvell Technology Shares Fall After Agreeing to Acquire Lumentum

Marvell Technology shares fell after the company agreed to acquire Lumentum, a maker of optical communications components, in an all-stock transaction. The Motley Fool reported that the offer carries a substantial premium, with a valuation about five times Lumentum's trading price a year earlier. Investors appear concerned that Marvell is buying at a cyclical peak. Marvell has argued that combining the two companies' technologies will create opportunities in next-generation AI communications networks. The deal's closing conditions and regulatory review have not been detailed in the reporting.

The Motley FoolWikipedia: Marvell TechnologyWikipedia: Lumentum

Marvell to acquire Lumentum in $115 billion AI deal

Marvell Technology has agreed to acquire optical components maker Lumentum in an all-stock transaction valued at about $115 billion, including debt, one of the largest technology deals of 2026. Lumentum shareholders will receive 4.5 Marvell shares for each Lumentum share they own, an implied value of about $1,132 per share and a premium of roughly 24 percent to the unaffected closing prices on October 28. Once the deal closes, Marvell shareholders are expected to own about 67 percent of the combined company, while Lumentum shareholders will own about 33 percent. Lumentum makes the lasers and optical components that link AI chips inside data centers, and Marvell says combining the two companies will address the growing connectivity demands of AI infrastructure as systems shift from copper toward optical technologies. The companies estimate the combined addressable market at $550 billion and have identified more than $1 billion in potential annual cost synergies. Matt Murphy will remain chairman and CEO of Marvell, and three Lumentum board members, including CEO Michael Hurlston, will join Marvell's board. Both boards approved the transaction unanimously, and closing is expected in the first half of 2028, subject to shareholder and regulatory approvals.

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