Allegion plc (ALLE), headquartered in Dublin, Ireland, manufactures and markets mechanical and electronic security products and solutions. Valued at $11.2 billion by market cap, the company offers door controls, locks, electronic security systems, and time and attendance solutions under brands like Schlage, CISA, and Von Duprin.
Shares of this global security products and solutions provider have underperformed the broader market over the past year. ALLE has declined 7.9% over this time frame, while the broader S&P 500 Index ($SPX) has rallied nearly 27.9%. In 2026, ALLE stock is down 18.1%, compared to the SPX’s 9.2% rise on a YTD basis.