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acquisitionAnnounced · Jan 21, 2026biopharmaceuticalSource · CredibleArticle · Factual
RAPT Therapeutics
GSK
RAPT Therapeutics · GSK

GSK acquires RAPT Therapeutics

David Najork
David Najork · Founding Software Engineer
Published · Updated · 1 min read
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Deal value
$2.2B
Target
RAPT Therapeutics
RAPT Therapeutics
NASDAQ: RAPT · South San Francisco, California
Acquirer
GSK
GSK
Full Acquisition
Status
Announced

GSK plc has announced its agreement to acquire South San Francisco-based RAPT Therapeutics for $2.2 billion. This strategic acquisition aims to strengthen GSK’s respiratory, immunology, and inflammation pipeline, aligning with its focus on innovative treatments in these areas. The transaction underscores GSK’s ongoing efforts to broaden its portfolio with advanced biopharmaceutical solutions.

RAPT Therapeutics, a clinical-stage biopharmaceutical firm, specializes in developing therapies targeting immune, inflammatory, and oncological diseases. Founded in the heart of the biotechnology hub of California, RAPT has attracted attention for its drug candidate, Ozureprubart, which offers potential benefits for food allergy treatments. Ozureprubart's promise lies in offering less frequent dosing compared to current standard therapies, addressing a growing unmet need in healthcare.

For GSK, the acquisition of RAPT represents an opportunity to expand its capabilities in addressing complex health challenges. RAPT’s expertise and its development pipeline complement GSK's existing assets and are intended to bolster the company's presence in key therapeutic areas. The addition of Ozureprubart is particularly noteworthy as food allergies are a rising health concern, marked by substantial risks and limited treatment options.

Within the broader biopharmaceutical sector, the acquisition reflects ongoing competitive pressures to innovate and diversify portfolios. As established companies seek niche biopharmaceutical firms with groundbreaking therapies, this move by GSK highlights the sector's trend towards consolidation and strategic expansion into high-need therapeutic fields.

As GSK integrates RAPT into its operations, the company will need to navigate regulatory approvals and align RAPT’s innovative approaches with its commercial strategies. This acquisition could prompt further shifts in capital allocation within the biopharmaceutical landscape as peers may follow suit in pursuing similar strategic alignments.

Deal timeline

Announced
Jan 21, 2026 · marketscreener.com
Additional milestones (proxy, vote, close) appear as filings and press updates are indexed.
Sector context

This transaction is classified in biopharmaceutical with a reported deal value of $2.2B. Figures and status may change as sources update.

Sources: marketscreener.com · Primary article · FireStrike proprietary index