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Danaher Acquires Masimo for $9.9 Billion, Boosts Diagnostics

2/18/2026

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Summary

Story summary

Danaher Corp. will acquire Masimo (pulse-oximeter maker) for $9.9 billion at $180 per share, a 38.3% premium.
The deal is expected to close in H2 2026 and expand Danaher's diagnostics portfolio into patient monitoring.
Masimo's shares rose 34.3% to $174.89, and Masimo won a $634 million patent infringement case against Apple.
Acquisition is projected to increase Danaher's earnings by $0.15–$0.20 in year one and to $0.70 in year five.

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Story summary

Danaher Corp. will acquire Masimo (pulse-oximeter maker) for $9.9 billion at $180 per share, a 38.3% premium.
The deal is expected to close in H2 2026 and expand Danaher's diagnostics portfolio into patient monitoring.
Masimo's shares rose 34.3% to $174.89, and Masimo won a $634 million patent infringement case against Apple.
Acquisition is projected to increase Danaher's earnings by $0.15–$0.20 in year one and to $0.70 in year five.