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Marvell Stock Falls 5% After Lumentum Acquisition

SEC / Lumentum Holdings2 min read5 sources

Why is Marvell stock down today?

Marvell (MRVL) stock fell 5.5% to $185.66 in Monday trading after agreeing to buy Lumentum in a $115B all-stock acquisition, as investors questioned the price and the new shares it must issue.

Key numbers

Deal value (incl. debt)$115BAll-stock
Exchange ratio4.5 MRVL per LITE share~$1,132 per share
Premium to Oct 28 close23.9%Lumentum unaffected price
Annual cost savings$1B+Run-rate synergies
Marvell share price$185.66-5.47%
Lumentum share price$760.10-9.59%

What happened

Marvell (MRVL) stock fell 5.5% to $185.66 in Monday trading after agreeing to buy Lumentum in a $115B all-stock acquisition, as investors questioned the price and the new shares it must issue. Lumentum (LITE) owners will get 4.5 Marvell shares for each share they hold, worth about $1,132 each at Marvell's October 28 price, a 23.9% premium. Lumentum itself dropped about 10% to $760.10, well below that value. Marvell had already lost 14% the week before, after talks leaked. The deal is expected to close in the first half of 2028.

Why it matters

Marvell is paying about $115B for Lumentum because AI data centers increasingly move data with light (optical links) instead of copper wires, and Lumentum makes key parts for that. Because Marvell pays with its own shares instead of cash, a falling Marvell stock lowers what Lumentum owners actually receive. Regulators must also approve the deal, and closing is not expected until 2028.

Who this affects

Marketmixed
Medium impact
Both deal stocks fell; some optical rivals gained.
Companymixed
High impact
Marvell holders face dilution; Lumentum holders gain a premium.
Competitorsmixed
Medium impact
Coherent and Broadcom face a stronger Marvell; Coherent shares rose.
Industrybullish
High impact
AI data centers shift toward optical links; consolidation may rise.

Marvell vs Lumentum, Coherent, Applied Optoelectronics

MarvellMRVL$185.66-5.47%Buyer
LumentumLITE$760.10-9.59%Target
CoherentCOHR$217.34+3.34%Optical rival
Applied OptoelectronicsAAOI$70.89+2.66%Optical rival

As of 2026-11-02

How we got here

  1. Lumentum's last unaffected close, used to calculate the 23.9% deal premium.

  2. Marvell ends the week down 14% after reports of advanced Lumentum talks.

  3. Marvell and Lumentum announce the $115B all-stock deal; both stocks fall.

  4. Deal expected to close by end of first half 2028, pending approvals.

What to watch

  • Shareholder votes and regulatory clearances; Marvell owes $3.2B if regulators block the deal (per).2028-06-30
  • Marvell's full third-quarter results; preliminary figures kept guidance midpoint, range narrowed to plus or minus 2%.Q4 2026

Educational content only. Not investment advice.

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