Lonza Group stock holds near its yearly high after 2.55 percent gain

Published on 09/23/2026 at 13:23 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Lonza Group stock closed at CHF 562.80 on September 22, 2026, while first-half core EBITDA margin reached 34.8 percent. Currency-adjusted revenue grew 16 percent.

Schwarz-Weiß-Reportage: Wissenschaftler im Schutzanzug am Mikroskop, dokumentarischer Stil — Lonza CH0013841017 Forscher im Schutzanzug am Mikroskop dokumentarisch in Schwarz Weiss fotografiert, Illustration mit AI erstellt.

Lonza Group stock closed at CHF 562.80 on the SIX on September 22, 2026, gaining 2.55 percent. The move left the shares 6.94 percent below the 52-week high of CHF 597.80 and 23.82 percent above the 52-week low of CHF 454.60, according to the reported session data.

Margin reaches 34.8 percent

Lonza Group AG reported a core EBITDA margin of 34.8 percent for the first half of 2026, an increase of 4.4 percentage points from the first half of 2025. Currency-adjusted revenue grew 16 percent over the same period, giving the margin expansion a second operating measure.

According to finanzen.ch on September 23, 2026, Lonza also sold its capsules and supplements business for around CHF 2.3 billion in spring 2026. The transaction reduces exposure to the lower-margin business and concentrates the group on contract development and manufacturing for biologics and antibody-drug conjugates.

Stock remains below August peak

The market reaction is easier to measure against the recent range than through a broad narrative: CHF 562.80 was CHF 35.00 below the 52-week high of CHF 597.80 recorded on August 25, 2026, while the distance from the low of CHF 454.60 recorded on March 23, 2026 was CHF 108.20.

On September 22, 2026, Lonza traded between an opening price of CHF 550.20 and a session close of CHF 562.80, with volume of 32,190 shares. The SMI closed at 13,953.39 on the same date, giving the stock a concrete index reference for the 2.55 percent daily gain.

CHF 562.80 remains the reference

Lonza Group stock closed at CHF 562.80 on the SIX on September 22, 2026, after the 2.55 percent advance. The first-half 2026 margin of 34.8 percent and currency-adjusted revenue growth of 16 percent are the key operating figures behind the current valuation discussion.