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Side-by-side financial comparison of Alkermes plc. (ALKS) and GSK plc (GSK), based on the latest 10-Q / 10-K filings. Click either name above to swap in a different company.
Alkermes plc is a fully-integrated biopharmaceutical company that focuses on developing medicines for psychiatric and neurological disorders. The company was founded in 1987 by Michael Wall. In September 2011 Alkermes, Inc. merged with Elan Drug Technologies (EDT), the former drug formulation and manufacturing division of Élan Corporation, plc. The company is headquartered in Dublin, and has an R&D center in Waltham, Massachusetts, and a manufacturing facility in Wilmington, Ohio.
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 | $384.5M | — | ||
| Q3 25 | $394.2M | — | ||
| Q2 25 | $390.7M | — | ||
| Q1 25 | $306.5M | — | ||
| Q4 24 | $430.0M | — | ||
| Q3 24 | $378.1M | — | ||
| Q2 24 | $399.1M | — | ||
| Q1 24 | $350.4M | — |
| Q4 25 | $49.3M | — | ||
| Q3 25 | $82.8M | — | ||
| Q2 25 | $87.1M | — | ||
| Q1 25 | $22.5M | — | ||
| Q4 24 | $146.5M | — | ||
| Q3 24 | $92.4M | — | ||
| Q2 24 | $91.4M | — | ||
| Q1 24 | $36.8M | — |
| Q4 25 | 88.0% | — | ||
| Q3 25 | 86.9% | — | ||
| Q2 25 | 87.3% | — | ||
| Q1 25 | 83.9% | — | ||
| Q4 24 | 85.6% | — | ||
| Q3 24 | 83.3% | — | ||
| Q2 24 | 84.6% | — | ||
| Q1 24 | 83.3% | — |
| Q4 25 | 15.1% | — | ||
| Q3 25 | 22.6% | — | ||
| Q2 25 | 23.8% | — | ||
| Q1 25 | 4.5% | — | ||
| Q4 24 | 37.8% | — | ||
| Q3 24 | 27.7% | — | ||
| Q2 24 | 27.5% | — | ||
| Q1 24 | 12.4% | — |
| Q4 25 | 12.8% | — | ||
| Q3 25 | 21.0% | — | ||
| Q2 25 | 22.3% | — | ||
| Q1 25 | 7.3% | — | ||
| Q4 24 | 34.1% | — | ||
| Q3 24 | 24.4% | — | ||
| Q2 24 | 22.9% | — | ||
| Q1 24 | 10.5% | — |
| Q4 25 | $0.29 | — | ||
| Q3 25 | $0.49 | — | ||
| Q2 25 | $0.52 | — | ||
| Q1 25 | $0.13 | — | ||
| Q4 24 | $0.88 | — | ||
| Q3 24 | $0.55 | — | ||
| Q2 24 | $0.53 | — | ||
| 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.
