GSK plc (LSE:GSK) is a British multinational pharmaceutical and biotechnology company founded in 1715, making it one of the world's oldest pharmaceutical companies. The company was formed through a series of mergers, most notably the 2000 merger of Glaxo Wellcome and SmithKline Beecham, and changed its name from GlaxoSmithKline plc to GSK plc in May 2022. Headquartered in Brentford, United Kingdom, GSK has evolved from a traditional pharmaceutical company into a focused biopharmaceutical enterprise specializing in vaccines and specialty medicines. The company operates globally with significant presence in the United States, Europe, and emerging markets, dedicating its efforts to preventing and treating diseases through innovative research and development.
$51.09
+4.90%Price chart
Oct 6Oct 9Oct 14Oct 19Oct 22Oct 27Oct 30Nov 4
Key dataNov 4, 2026
Open$50.83
From 52W high−16.50%
Volume3.05M
Market cap$102.40B
P/E (TTM)17.6x
P/S (TTM)2.3x
Div yield3.56%
Key dataNov 4, 2026
Open
$50.83
From 52W high
−16.50%
Volume
3.05M
Market cap
$102.40B
ValuationView details →
P/E (Fwd)
10.0x
EV/EBITDA
11.1x
P/E (TTM)
17.6x
RSI (14)
58.0
MomentumView details →
1D Return
+4.90%
YTD Return
+3.85%
SummaryUpdated Sep 1, 2026
Latest newsMore news →
Alamar Biosciences, Inc. said it will collaborate with GSK plc using Alamar’s Nulisa platform to study circulating protein signatures and their relationship to disease progression, biological subtypes and treatment response across several disease areas.18h agoCentrica Plc shares gained 2.50% to 153.65 pence, while Imperial Brands Plc, Tesco Plc, British American Tobacco p.l.c., GSK plc and DIAGEO PLC also rose.1d agoThe UK government will announce a £48 million partnership with healthcare companies and charities to accelerate dementia research and development.27d ago