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GSK
NYSE Life Sciences

GSK to acquire RAPT Therapeutics for $2.2 billion, boosting immunology pipeline

Arie Shkolnikov · Analysis by Wiseek AI
More coverage: Pharmaceutical Stocks · Healthcare
Sentiment info
Positive
Importance info
8
Price
$48.01
Mkt Cap
$98.322B
52W Low
$32.38
52W High
$51.46
52W Position info
48% above low
Off High info
6.7% below high
Rel. Volume info
1.7× avg
Market data snapshot near publication time

GSK sits 48% above its 52-week low of $32.38.

Summary

GSK announced the acquisition of RAPT Therapeutics for an estimated $2.2 billion, gaining ozureprubart, a promising Phase IIb anti-IgE antibody for food allergies, to bolster its immunology pipeline.


Key Events · M&A and Partnerships · GSK

  • Acquisition Agreement

    GSK has entered a definitive agreement to acquire RAPT Therapeutics.

  • Financial Terms

    GSK will pay RAPT Therapeutics shareholders $58.00 per share, totaling an estimated aggregate equity value of $2.2 billion. The net upfront investment for GSK is $1.9 billion.

  • Key Asset Acquired

    The acquisition includes ozureprubart, a long-acting anti-immunoglobulin E (IgE) monoclonal antibody in Phase IIb clinical development for prophylactic protection against food allergens.

  • Strategic Rationale

    This acquisition adds a potentially best-in-class treatment to GSK's Respiratory, Immunology & Inflammation pipeline, addressing a significant unmet medical need in food allergies with a therapy offering less frequent dosing.


Analysis · GSK · Life Sciences

The acquisition of RAPT Therapeutics for an estimated $2.2 billion significantly enhances GSK's immunology pipeline. The primary asset, ozureprubart, is a long-acting anti-IgE antibody in Phase IIb development for food allergies, a condition with substantial unmet medical need. This strategic move aligns with GSK's focus on acquiring assets that address validated targets and offer improved patient outcomes, such as less frequent dosing compared to current therapies. The transaction is expected to close in Q1 2026, positioning GSK to further expand its presence in the allergy treatment market.

How filings like this one have moved

In the 30 days to Aug 24, 2026, 37.5% of the 3362 measured filings Wiseek scored 8 moved their stock by 5% or more by the next session's close. The median move was 0.00%. These are measured outcomes after filings of this importance, not a forecast for this one.

Measured one observation per ticker per day, after exclusions. Current figures: Filing Impact Tracker · open dataset

At the time of this filing, GSK was trading at $48.01 on NYSE in the Life Sciences sector, with a market capitalization of approximately $98.3B. The 52-week trading range was $32.38 to $51.46. This filing was assessed with positive market sentiment and an importance score of 8 out of 10.

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GSK - Latest Insights

GSK
Aug 24, 2026, 6:57 AM EDT
Filing Type: 6-K
Importance Score:
9
Price at Filing: $51.83
Real-time Price: $51.61 info
Change: -$0.225 (-0.43%) info
Market Cap: $104.888B info
GSK
Aug 24, 2026, 6:20 AM EDT
Filing Type: 6-K
Importance Score:
8
Price at Filing: $51.85
Real-time Price: $51.61 info
Change: -$0.245 (-0.47%) info
Market Cap: $104.888B info
GSK
Jul 28, 2026, 1:03 PM EDT
Filing Type: 6-K
Importance Score:
8
Price at Filing: $54.02
Real-time Price: $51.61 info
Change: -$2.41 (-4%) info
Market Cap: $104.888B info
GSK
Jul 28, 2026, 12:50 PM EDT
Filing Type: 6-K
Importance Score:
9
Price at Filing: $53.95
Real-time Price: $51.61 info
Change: -$2.35 (-4%) info
Market Cap: $104.888B info
GSK
Jul 22, 2026, 1:58 PM EDT
Source: PR Newswire
Importance Score:
9
Price at Filing: $50.90
Real-time Price: $51.61 info
Change: +$0.710 (+1%) info
Market Cap: $104.888B info