Wire · operational-macro
Marvell buys Lumentum in $115B AI networking power play
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Fusion42 · 2 November 2026 · Fusion42 review
Marvell is acquiring Lumentum in a $115 billion all-stock deal to create a leading company in optical networking for AI infrastructure, targeting a combined total addressable market of $550 billion. The deal aims to accelerate adoption of optical connectivity in data centers by combining Marvell's electrical and optical interconnect and custom silicon with Lumentum's lasers, optical transceivers, and optical circuit switching technology.
This Wire brief sits within Fusion42's coverage of Deep Tech: Telecom & Connectivity, and 4 sources have reported it.
◆ ◆ The Wire takeaway
Optical networking is becoming the backbone of AI data centers, and Marvell’s merger shows there is massive commercial scale and consolidation coming. You need to position your telecom or AI infrastructure business to integrate or compete with optical technology immediately.
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4 sources · 2 Nov 2026
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