Masimo Shares Surge 34.3% on $10 Billion Danaher Acquisition
Masimo agreed to be acquired by Danaher in an all-cash $10 billion deal, sending its shares up 34.3% to $174.78, the stock’s largest single-day gain and highest level since June. Options volume spiked to 8.9× average daily levels, led by February 175 puts.
1. Acquisition Deal Details
Masimo has entered into an all-cash agreement for acquisition by Danaher valued at approximately $10 billion, positioning Danaher to expand its medical-technology portfolio and leverage Masimo’s device offerings.
2. Masimo Stock Reaction
Following the announcement, Masimo shares jumped 34.3% to $174.78, marking the largest single-day percentage gain on record and pushing the stock to its highest level since June, despite a 3.7% year-over-year decline.
3. Options Market Activity
Masimo’s options volume surged to 8.9 times the daily average, with traders predominantly selling to open February 175 puts, indicating strong positioning around the deal price.
4. Danaher Stock Impact
Danaher shares fell 4% to $204.12, reaching their lowest level since early October and reversing a 10.4% gain since the start of the year to a slight year-over-year decline.