Lonza LONN.SW stock CHF 553.60 before Q4 28 Jan 2026: guidance will set trend

Lonza Group AG (LONN.SW) trades at CHF 553.60 intraday on the SIX in Switzerland as the market awaits Q4 results on 28 Jan 2026. The upcoming announcement will centre on guidance and margins, and the stock is trading between a day low CHF 542.40 and day high CHF 585.60. Investors watch earnings for signs the Biologics and Cell & Gene segments are outpacing cost pressure. Our earnings spotlight connects reported metrics to price action and short-term outlook for LONN.SW stock ahead of the call.