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Side-by-side financial comparison of Amgen (AMGN) and GSK plc (GSK), based on the latest 10-Q / 10-K filings. Click either name above to swap in a different company.
Amgen Inc. is an American multinational biopharmaceutical company headquartered in Thousand Oaks, California. The company is ranked 18th on the list of largest biomedical companies by revenue. The name "AMGen" is a portmanteau of the company's original name, Applied Molecular Genetics.
GSK plc is a British multinational pharmaceutical and biotechnology company. It was established in 2000 by a merger of Glaxo Wellcome and SmithKline Beecham, which was itself a merger of a number of pharmaceutical companies around the Smith, Kline & French firm. It is headquartered in London, England.
8-Quarter Revenue & Profit Trend
Side-by-side quarterly history — bar widths are scaled to the larger of the two companies so you can eyeball the size gap and growth trajectory without doing math. Quarters aligned by calendar period (report date) so offset fiscal years line up.
| Q4 25 | $9.9B | — | ||
| Q3 25 | $9.6B | — | ||
| Q2 25 | $9.2B | — | ||
| Q1 25 | $8.1B | — | ||
| Q4 24 | $9.1B | — | ||
| Q3 24 | $8.5B | — | ||
| Q2 24 | $8.4B | — | ||
| Q1 24 | $7.4B | — |
| Q4 25 | $1.3B | — | ||
| Q3 25 | $3.2B | — | ||
| Q2 25 | $1.4B | — | ||
| Q1 25 | $1.7B | — | ||
| Q4 24 | $627.0M | — | ||
| Q3 24 | $2.8B | — | ||
| Q2 24 | $746.0M | — | ||
| Q1 24 | $-113.0M | — |
| Q4 25 | 69.8% | — | ||
| Q3 25 | 67.8% | — | ||
| Q2 25 | 67.2% | — | ||
| Q1 25 | 63.6% | — | ||
| Q4 24 | 65.7% | — | ||
| Q3 24 | 61.1% | — | ||
| Q2 24 | 61.4% | — | ||
| Q1 24 | 57.0% | — |
| Q4 25 | 27.6% | — | ||
| Q3 25 | 26.4% | — | ||
| Q2 25 | 28.9% | — | ||
| Q1 25 | 14.5% | — | ||
| Q4 24 | 25.4% | — | ||
| Q3 24 | 24.1% | — | ||
| Q2 24 | 22.8% | — | ||
| Q1 24 | 13.3% | — |
| Q4 25 | 13.5% | — | ||
| Q3 25 | 33.7% | — | ||
| Q2 25 | 15.6% | — | ||
| Q1 25 | 21.2% | — | ||
| Q4 24 | 6.9% | — | ||
| Q3 24 | 33.3% | — | ||
| Q2 24 | 8.9% | — | ||
| Q1 24 | -1.5% | — |
| Q4 25 | $2.45 | — | ||
| Q3 25 | $5.93 | — | ||
| Q2 25 | $2.65 | — | ||
| Q1 25 | $3.20 | — | ||
| Q4 24 | $1.17 | — | ||
| Q3 24 | $5.22 | — | ||
| Q2 24 | $1.38 | — | ||
| Q1 24 | $-0.21 | — |
Financial Flow Comparison
Sankey diagram of revenue → gross profit → operating profit → net profit for each company. Charts shown full-width and stacked so both segment hierarchies are readable side-by-side on desktop and mobile.
