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Events / Business / Danaher completes Masimo acquisition
Business acquisition completion

Danaher completes Masimo acquisition

Analysis based on 6 articles · First reported Jun 10, 2026 · Last updated Jun 11, 2026

Sentiment
20
Attention
4
Articles
6
Market Impact
Direct
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Market Impact

The completion of the acquisition of Masimo by Danaher Corporation is expected to positively impact Danaher Corporation's stock price due to anticipated earnings accretion and strengthened market position in diagnostics. Masimo's stock has ceased trading on the Nasdaq, indicating a direct impact on its former shareholders who received cash consideration.

medical devices diagnostics healthcare
Event Summary

Danaher Corporation has completed its acquisition of Masimo_Corporation for $9.5 billion, integrating the specialty diagnostics provider into its Diagnostics segment. Masimo, known for its pulse oximetry and patient monitoring solutions, will now operate as a wholly-owned subsidiary under the Masimo brand, enhancing Danaher Corporation's capabilities in acute care settings. The transaction, which was unanimously approved by both companies' boards and Masimo's shareholders, is expected to be accretive to Danaher Corporation's adjusted diluted net earnings per common share. Following the completion, Masimo common stock ceased trading on the Nasdaq. Danaher Corporation does not anticipate a material contribution from Masimo in the second quarter of 2026 but plans to update its full-year guidance to reflect Masimo's expected contributions.

Key Actions
100 Danaher Corporation acquiring Masimo
90 Masimo became subsidiary Danaher Corporation
80 Masimo ceased trading Nasdaq
10 Centerview Partners acted as advisor Masimo
10 Morgan Stanley acted as advisor Masimo
10 Sullivan & Cromwell acted as advisor Masimo
10 White & Case acted as advisor Masimo
10 Kirkland & Ellis acted as advisor Danaher Corporation
10 Citigroup acted as advisor Danaher Corporation
10 Cleary Gottlieb Steen & Hamilton acted as advisor Danaher Corporation
Entities Involved
stock
Danaher Corporation
Danaher Corporation completed the acquisition of Masimo_Corporation, strengthening its diagnostics portfolio and expanding its capabilities in acute care settings. This acquisition is expected to be accretive to its adjusted diluted net earnings per common share.
Importance 100 Sentiment 20
stock
Masimo
Masimo was acquired by Danaher Corporation for $9.5 billion, becoming a wholly-owned subsidiary and ceasing trading on the Nasdaq. It will operate as a standalone brand within Danaher's Diagnostics segment, benefiting from Danaher's global reach.
Importance 100 Sentiment 20
per
Julie Sawyer Montgomery
Julie Sawyer Montgomery, Executive Vice President of Diagnostics at Danaher Corporation, commented on the strategic fit and expected benefits of the acquisition.
Importance 30 Sentiment 0
exch
Nasdaq
Masimo common stock ceased trading on the Nasdaq following its acquisition by Danaher Corporation.
Importance 20 Sentiment 0
priv
Centerview Partners
Centerview Partners acted as a financial advisor for Masimo, receiving a fee for its services in the acquisition.
Importance 10 Sentiment 0
stock
Morgan Stanley
Morgan Stanley & Co. LLC acted as a financial advisor for Masimo in the acquisition.
Importance 10 Sentiment 0
priv
Sullivan & Cromwell
Sullivan & Cromwell acted as legal advisor for Masimo_Corporation during the acquisition.
Importance 10 Sentiment 0
priv
White & Case
White & Case LLP acted as legal advisor for Masimo_Corporation during the acquisition.
Importance 10 Sentiment 0
priv
Kirkland & Ellis
Kirkland & Ellis acted as legal advisor for Danaher Corporation during the acquisition.
Importance 10 Sentiment 0
stock
Citigroup
Citigroup Inc. acted as financial advisor to Danaher Corporation for the acquisition.
Importance 10 Sentiment 0
priv
Cleary Gottlieb Steen & Hamilton
Cleary Gottlieb Steen & Hamilton acted as legal advisor to Danaher Corporation for the acquisition.
Importance 10 Sentiment 0
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