Masimo Soars 34% as Danaher Nears $9.9B Acquisition
💡 Key Takeaway
Masimo shareholders are getting a premium exit after years of underperformance, while Danaher investors are questioning the deal's valuation.
The Blockbuster Deal Details
Danaher Corp. is closing in on a massive $9.9 billion acquisition of medical device maker Masimo Corp., according to Financial Times reports. The deal could be announced as early as Tuesday, representing a significant premium to Masimo's recent $7 billion market capitalization.
This potential acquisition follows years of activist investor pressure at Masimo. Hedge fund Politan Capital Management successfully pushed for governance changes, including the removal of founder Joe Kiani as board chair. Kiani later stepped down as CEO but retains a 5% stake in the company.
The deal aligns with Danaher's long-standing growth-through-acquisition strategy that has defined the company for over 25 years. Danaher has built its business by strategically acquiring companies and improving their operations through its Danaher Business System.
Masimo's stock reacted dramatically to the news, surging 34.51% in premarket trading to $175.06. Meanwhile, Danaher shares dropped 5.22%, suggesting some investor skepticism about the deal's valuation or integration challenges.
Why This Deal Changes Everything
For Masimo shareholders, this deal represents a welcome exit after five years of 50% stock decline. The company has struggled with strategic missteps, including its controversial $1 billion acquisition of audio company Sound United, which activists argued diverted focus from Masimo's core healthcare business.
The acquisition premium validates the activist investors' efforts to refocus the company. Masimo recently divested its wearables business at a significant loss but had begun showing improved operational metrics, projecting 7-10% revenue growth through 2028.
For Danaher, this represents another strategic move to expand its medical technology portfolio. However, the market's negative reaction suggests concerns about whether Masimo's turnaround potential justifies the nearly $10 billion price tag.
The deal also highlights ongoing consolidation in the medical technology sector, where larger players are acquiring innovative but underperforming companies to boost growth. Masimo's patent dispute with Apple over smartwatch technology adds another layer of complexity to the acquisition.
Source: Analysis generated by Bobby AI quantitative model, reviewed and edited by our research team. This is not financial advice. Always do your own research before making investment decisions.
Bobby Insight

MASI holders should consider taking profits, while DHR investors should watch for integration execution.
The deal offers Masimo shareholders a generous premium after years of struggle, making this an attractive exit opportunity. For Danaher, the acquisition makes strategic sense but carries execution risk given Masimo's recent challenges. The market's initial reaction suggests cautious optimism about long-term value creation.
What This Means for Me


