Genmab to Acquire Merus, Expanding Late-Stage Pipeline and Accelerating into a Wholly Owned Model

Core Viewpoint - Genmab A/S is set to acquire Merus N.V. for USD 97.00 per share in an all-cash transaction valued at approximately USD 8.0 billion, aiming to enhance its portfolio and accelerate growth in the biotechnology sector [2][3][6]. Transaction Details - The acquisition has been unanimously approved by the Boards of Directors of both companies [2]. - Genmab will commence a tender offer for 100% of Merus' common shares, expected to close by early Q1 2026 [2][7]. - The purchase price represents a premium of approximately 41% over Merus' closing stock price on September 26, 2025, and approximately 44% over its 30-day volume weighted average price [8]. Strategic Fit and Growth Potential - The acquisition is expected to significantly accelerate Genmab's transition to a wholly owned model, diversifying revenue and driving sustained growth into the next decade [3][4]. - Petosemtamab, Merus' lead asset, is in Phase 3 development and has received two Breakthrough Therapy Designations from the FDA, indicating its potential as a transformational therapy for head and neck cancer [4][5]. - Genmab anticipates the initial launch of petosemtamab in 2027, with projected annual sales potential exceeding USD 1 billion by 2029 [5]. Financing and Financial Outlook - The transaction will be funded through cash on hand and approximately USD 5.5 billion of non-convertible debt financing, with a commitment from Morgan Stanley Senior Funding, Inc. [9][10]. - The acquisition is expected to be accretive to EBITDA by the end of 2029 [6]. Company Background - Genmab is an international biotechnology company focused on developing innovative antibody therapeutics, with a vision to transform the lives of patients with cancer and other serious diseases by 2030 [13][14]. - Merus specializes in developing bispecific and trispecific antibody therapeutics, known as Multiclonics, which have shown promising results in clinical studies [15].