Marvell Files 425 Communication on $115B Lumentum All-Stock Merger
MRVL has more than doubled off its 52-week low of $70.685 on elevated volume (2.0× avg).
Summary
Marvell's Rule 425 communication lays out its $115 billion all-stock purchase of Lumentum — 4.500 Marvell shares per Lumentum share, about 33% pro forma ownership for Lumentum holders, $1B+ targeted synergies, and a closing targeted for the first half of calendar 2028.
Key Events · M&A and Partnerships · MRVL
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Marvell to Buy Lumentum for $115B
Definitive all-stock merger: each Lumentum share converts into a fixed 4.500 Marvell shares, implying about $1,132 per Lumentum share and a $115 billion enterprise value — a 23.9% premium to the October 28, 2026 unaffected close.
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Lumentum Holders Get ~33% of Combined Company
Post-close, current Marvell stockholders own approximately 67% of the combined company on a fully diluted basis and Lumentum stockholders approximately 33%, so roughly a third of the pro forma equity goes to Lumentum holders.
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$1B+ Synergies, EPS Accretive
Management cites line of sight to more than $1 billion in annual run-rate cost synergies, primarily COGS, a $550 billion combined TAM, and non-GAAP EPS accretion in year one post-close; pro forma annualized revenue is $17.7 billion at a 57% non-GAAP gross margin and 39% non-GAAP operating margin.
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Closing Targeted for 1H Calendar 2028
The transaction requires approval by both Marvell and Lumentum stockholders plus regulatory approvals and other customary conditions; Matt Murphy remains Chairman and CEO, and three Lumentum directors including CEO Michael Hurlston join Marvell's board.
Analysis · MRVL · Manufacturing
This is the investor communication for the $115 billion all-stock acquisition of Lumentum that Marvell announced today: Lumentum holders get a fixed 4.500 Marvell shares per share, implying about $1,132 per Lumentum share and a 23.9% premium to the October 28, 2026 unaffected close, with Lumentum holders owning roughly 33% of the combined company. The deal is large enough to reset Marvell's story — it folds a photonics/laser supplier into an electrical-interconnect leader to chase integrated optical connectivity for AI data centers, expands the addressable market to $550 billion, and management claims line of sight to more than $1 billion in annual run-rate cost synergies with non-GAAP EPS accretion in year one post-close. Against that, closing is not expected until the first half of calendar 2028, subject to both shareholder votes and regulatory approvals, so the equity issuance and integration risk sit well out in front. The filing also carries preliminary Q3 FY2027 revenue that is consistent with prior guidance but narrows the range to plus or minus 2% from plus or minus 5%, and pro forma combined figures of $17.7 billion annualized revenue at a 57% non-GAAP gross margin.
How filings like this one have moved
In the 30 days to Nov 2, 2026, 49.5% of the 190 measured filings Wiseek scored 9 moved their stock by 5% or more by the next session's close. The median move was -0.29%. These are measured outcomes after filings of this importance, not a forecast for this one.
Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset
At the time of this filing, MRVL was trading at $193.67 on NASDAQ in the Manufacturing sector, with a market capitalization of approximately $172.2B. The 52-week trading range was $70.69 to $329.88. This filing was assessed with positive market sentiment and an importance score of 9 out of 10.