Roche Holding AG has agreed to acquire Pathai Inc. for up to $1.05 billion in a bid to strengthen its position in digital pathology and enhance its biopharma services. The move builds on a partnership established between the two companies in 2021, and expanded in 2024, to include the development of AI-enabled companion diagnostic algorithms.

Resmed Corp. has agreed to acquire Noctrix Health Inc. for $340 million, boosting its sleep health portfolio. Noctrix has developed Nidra, a wearable neuromodulation device which treats restless legs syndrome (RLS) without disrupting sleep. With RLS impacting approximately 7% of adults globally, including about 17 million people in the U.S., the technology offers a non-drug option that could potentially treat a significant proportion of this patient population.

Caredx Inc. has agreed to acquire Naveris Inc., a precision oncology diagnostics company, for up to $260 million, as part of its strategy to accelerate growth. The acquisition comes as Caredx, an organ transplant diagnostic firm, reshapes its portfolio, expanding its oncology profile while recently divesting its lab products business.

Sun Pharmaceuticals Industries Ltd. will pay $11.75 billion cash to acquire Organon & Co. The transaction is expected to close in early 2027. The addition of Organon’s women’s health products, legacy drug brands and biosimilars are expected to boost Mumbai, India-based Sun’s global reach. The all-cash buy is also expected to relieve Jersey City, N.J.-based Organon of an $8.6 billion debt pile, accumulated after its debt-laden 2021 spinout from Merck & Co. Inc.

Thermo Fisher Scientific Inc. agreed to sell its microbiology business to Astorg, a private equity firm, for approximately $1.075 billion, consisting of cash and a $50 million seller note. The business unit provides antimicrobial susceptibility testing and culture media solutions for clinical, pharmaceutical and food safety testing.

Sun Pharmaceuticals Industries Ltd. will pay $11.75 billion cash to acquire Organon & Co. The transaction is expected to close in early 2027. The addition of Organon’s women’s health products, legacy drug brands and biosimilars are expected to boost Mumbai, India-based Sun’s global reach. The all-cash buy is also expected to relieve Jersey City, N.J.-based Organon of an $8.6 billion debt pile, accumulated after its debt-laden 2021 spinout from Merck & Co. Inc.

Nearly a year after the first U.S. commercial launch of the multicancer molecular residual disease (MRD) detection platform Pathlight, developer Saga Diagnostics entered a definitive merger agreement under which Roche Holding AG subsidiary Foundation Medicine Inc. will take over the firm in return for up to $595 million in payments.

Med-tech M&A activity surged in March 2026, with deal value reaching $23.66 billion, the highest monthly total since June 2022’s $36.27 billion and a sharp increase from $17.53 billion in February and $1.69 billion in January.

Regeneron Pharmaceuticals Inc. is entering the radiopharmaceutical space via a collaboration with Telix Pharmaceuticals Ltd. to jointly develop and commercialize next-generation radiopharmaceutical therapies.

Avanos Medical Inc. has agreed to be acquired by affiliates of American Industrial Partners (AIP)  in an all-cash deal valuing the company at approximately $1.272 billion. Under the terms of the definitive agreement, Avanos stockholders will receive $25 per share in cash for each share of common stock they hold.