Lonza, CH0013841017

Lonza Group stock steadies as margin recovery follows restructuring costs

Published on 07/26/2026 at 14:00 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Lonza Group stock reflects a transition year, with 2023 earnings hit by CHF 0.9 billion in non-cash impairments but margins expected to recover after portfolio streamlining and new capacity investments.

Fotorealistische Reinraum-Bioreaktor-Halle mit glänzenden Edelstahltanks und steriler LED-Beleuchtung
Lonza CH0013841017 zeigt Reinraum Bioreaktor Halle mit Edelstahl Tanks steriler LED Beleuchtung, Illustration mit AI erstellt.

Lonza Group Ltd (ISIN CH0013841017) stock sits in a transition phase as the Swiss life sciences group digests a year of heavy restructuring and impairment charges while preparing for a new growth cycle in biologics manufacturing. The company reported that in fiscal 2023 it booked total non-cash impairments of CHF 0.9 billion linked mainly to its biologics network, a move that temporarily depressed earnings but is intended to support future margin recovery. For investors, the key story around Lonza Group stock now is how quickly profitability can normalize as the reconfigured asset base ramps back toward higher utilization.

Impairments reshape 2023 earnings

According to Lonza Group's 2023 annual reporting, the company recorded CHF 0.9 billion in non-cash impairment charges during fiscal 2023, focusing largely on biopharma manufacturing assets in its biologics network. These impairments followed a strategic review of capacity utilization, contract visibility, and long term customer demand trends, and they turned what would have been a more modest earnings year into one marked by headline losses under IFRS metrics.

In the same 2023 period, Lonza's total revenue was reported at CHF 6.7 billion, underlining that the group remains a sizeable global contract development and manufacturing player even in a year of portfolio reshaping. The revenue base is diversified across biopharma, small molecules, and cell and gene technologies, but biologics remains the largest contributor and the main focus of the restructuring efforts that led to the impairments.

On an operational level, Lonza's profitability in 2023 reflected the impairment effects and the temporary drag from underutilized capacity in parts of its biologics network. While exact EBIT or margin metrics fluctuated across segments, the company signaled that the impairments are non-recurring and that underlying margins, adjusted for these charges, continue to be supported by long term contracts, especially in mammalian and microbial biologics production and in capsules and health ingredients.

Revenue base and margin trends in 2023

Within the CHF 6.7 billion revenue reported for 2023, Lonza's biopharma segment contributed the majority, reflecting continued demand for biologics manufacturing services from large pharmaceutical and biotechnology customers. The company has highlighted that this demand is anchored by multi year agreements, which include both clinical and commercial supply, providing visibility on future volumes and supporting capitalization of new capacity where utilization is expected to rise.

Comparing 2023 to the prior year, the CHF 0.9 billion in impairments marks a clear break with more normalized years in which Lonza did not register such large non cash charges. In earlier periods, impairments were either absent or limited, so the 2023 figure stands out as a quantified comparison and underscores the intensity of the restructuring. This comparison matters for investors because it indicates that 2023 earnings are not a simple run rate indicator but rather a one off reset of asset values and expected cash flows.

The company has indicated that underlying margins, after adjusting for impairments and certain restructuring costs, remain supported by a combination of scale in biologics, high value services in cell and gene therapy, and stable demand in capsules and health ingredients. Lonza's strategic plan envisions that margins can gradually recover as new capacities ramp up and as the portfolio shifts away from lower return assets that were impaired or exited in the 2023 review.

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More on Lonza Group fundamentals

Investors who want to explore Lonza Group's latest annual figures, segment performance, and guidance can review the company's investor information and related documents.

Capsules and health ingredients focus

One of Lonza's representative product lines is its capsules and health ingredients business, which supplies hard capsules and a range of nutritional and pharmaceutical ingredients to customers worldwide. This segment provides a relatively stable revenue stream compared with the more cyclical or development dependent parts of biopharma manufacturing, and it plays a role in smoothing group earnings through different phases of the investment cycle.

Lonza has detailed that demand for capsules and health ingredients is driven by global trends in oral dosage forms, nutraceuticals, and consumer health, with customers including both large pharmaceutical companies and smaller brands. The segment benefits from Lonza's technical know how in capsule engineering and from its ability to offer tailored solutions for different formulations, including controlled release, vegetarian capsules, and specialty ingredients designed for improved bioavailability.

Lonza Group stock and market context

Lonza Group stock is primarily listed on SIX Swiss Exchange, where it trades in Swiss francs and forms part of the Swiss large cap universe. As a major Swiss industrial and life sciences name, Lonza is closely watched by both domestic investors and international funds that focus on healthcare and specialty manufacturing exposures. The company is included in key Swiss equity indices, reflecting its size and relevance to the national market.

The market capitalization of Lonza Group, calculated in Swiss francs, reflects investor views on the company's ability to convert its CHF 6.7 billion 2023 revenue base into sustainable cash flows once the impact of the CHF 0.9 billion non cash impairments fades from the income statement. The share price over time has tended to react strongly to news about large biologics contracts, major capacity expansions, and changes in margin guidance, underlining that investors pay close attention to operational leverage in the biopharma segment.

Lonza Group at a glance

  • Company: Lonza Group Ltd
  • ISIN: CH0013841017
  • Ticker: SIX: LONN
  • Trading venue: SIX Swiss Exchange
  • Sector / Industry: Health Care / Life Sciences Tools and Services
  • Index membership: Swiss large cap equity indices

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