GSK Acquires RAPT Therapeutics for $2.2 Billion
Written by Emily J. Thompson, Senior Investment Analyst
Updated: Jan 20 2026
0mins
Should l Buy GSK?
Source: NASDAQ.COM
- Acquisition Agreement: GSK has entered into a definitive agreement to acquire RAPT Therapeutics for an estimated equity value of $2.2 billion, with the transaction expected to close in Q1 2026, enhancing GSK's market position in immunology.
- Pipeline Expansion: The acquisition adds RAPT's ozureprubart to GSK's pipeline, targeting IgE-mediated food allergies and potentially offering new treatment options for over 17 million patients in the U.S., indicating significant market potential.
- Funding Structure: GSK's estimated upfront investment of $1.9 billion will be funded by net cash proceeds from RAPT, which will help optimize GSK's financial structure and mitigate acquisition risks.
- Positive Market Reaction: Following the announcement, RAPT's stock surged 63.53% to $57.40, reflecting strong market confidence in the deal, while GSK's stock saw a slight pre-market increase of 0.05%, indicating investor optimism about future growth.
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Analyst Views on GSK
Wall Street analysts forecast GSK stock price to fall
6 Analyst Rating
1 Buy
2 Hold
3 Sell
Moderate Sell
Current: 58.540
Low
20.15
Averages
38.72
High
55.60
Current: 58.540
Low
20.15
Averages
38.72
High
55.60
About GSK
GSK plc is a biopharma company. The Company’s segments include Commercial Operations and Research and Development. Its portfolio and pipeline are focused on developing medicines and vaccines in four core therapeutic areas, which are the areas of human health it focuses on to prevent and treat disease: respiratory, immunology and inflammation; oncology; human immunodeficiency virus (HIV), and infectious diseases. Its specialty medicines prevent and treat diseases, from HIV to respiratory diseases, immune-mediated conditions like lupus, and cancer. Its vaccine portfolio includes over 20 vaccines to protect people from diseases and infections throughout their lives. General medicines include inhaled medicines for asthma and COPD to antibiotics. It develops and commercializes preclinical antibody-drug conjugate for Metastatic castration-resistant prostate cancer. Its portfolio also includes Efimosfermin, a fibroblast growth factor 21 (FGF21) analog therapeutic in clinical development.
About the author
Emily J. Thompson
Emily J. Thompson, a Chartered Financial Analyst (CFA) with 12 years in investment research, graduated with honors from the Wharton School. Specializing in industrial and technology stocks, she provides in-depth analysis for Intellectia’s earnings and market brief reports.
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