Kirkland Advises Danaher on $9.9 Billion Acquisition of Masimo

Kirkland & Ellis advised Danaher Corporation (NYSE: DHR), a global science and technology innovator, on a definitive agreement to acquire Masimo Corporation (NASDAQ: MASI), a leading specialty diagnostics provider of pulse oximetry and other patient monitoring solutions, primarily in acute care settings. Under the terms of the agreement, Danaher will acquire all of the outstanding shares of Masimo common stock for $180 per share in cash, or a total enterprise value of approximately $9.9 billion including assumed indebtedness and net of acquired cash. Masimo will be a standalone operating company within Danaher’s Diagnostics segment along with Radiometer, Leica Biosystems, Cepheid and Beckman Coulter Diagnostics. The transaction is anticipated to close in the second half of 2026 and is subject to customary conditions, including receipt of applicable regulatory clearances and Masimo shareholder approval.

Read the transaction press release

The Kirkland team included corporate lawyers David Klein, Brian Junquera and Daniel Wolf; technology & IP transactions lawyers Adam Petravicius and Joanna Schlingbaum; litigation lawyer Jordan Peterson; intellectual property lawyer Ellison Turner; executive compensation lawyers Scott Price, David Branham and Madison Riddick; debt finance lawyer Rachael Lichman; capital markets lawyers Josh Korff and Diahndra Burman; and tax partners Dean Shulman and Liam Murphy.