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Masimo Mergers & Acquisitions

Masimo M&A Summary

Masimo has acquired 7 companies, including 4 in the last 5 years. A total of 2 acquisitions came from private equity firms. It has also divested 1 asset.

Masimo’s largest acquisition to date was in 2022, when it acquired Sound United for $1.0B. It’s largest disclosed sale occurred in 2025, when it sold Sound United to Harman International Industries for $350M. Masimo has acquired in 2 different US states, and 4 countries. The Company’s most targeted sectors include medical products (58%) and electronics (15%).

M&A Summary

  • M&A Total Activity8
    • M&A Buy Activity7
    • M&A Sell Activity1
  • Total Sectors Invested 4
  • Total Countries Invested 4
  • M&A Buy/Sell Connections 5

Masimo

Masimo Corp.

52 Discovery,
Irvine, California 92618
United States,
(949) 297-7000
www.masimo.com

All (8) Buy (7) Sell (1)
Date Target Value
$mlns 		Transaction Type Acquirer Seller SRC
Link
2025-05-06 Sound United · Electronics
Vista, California · www.soundunited.com

Sound United is a designer and marketer of premium home-theater loudspeakers and consumer-branded vehicle security and convenience systems. Sound United's broad portfolio of high-performance home audio products, including speakers, surround sound systems, soundbars, and personal audio devices, is marketed under the Polk Audio and Definitive Technology brands. Sound United is based in Vista, California.

350 Divestiture

Harman International Industries, Inc.

Masimo
Advisors: Centerview Partners , Morgan Stanley , Sullivan & Cromwell


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