Shares of CSL Limited closed higher in Sydney trading, marking a second consecutive session of gains. The biotechnology firm's stock finished at A$154.19, representing an increase of 0.95%. This upward movement occurred within a daily trading range of A$152.13 to A$154.45. Despite the recent positive trend, the share price remains approximately 15% below its peak levels from early February.
Licensing Agreement with Eli Lilly
Investor attention centered on a newly announced licensing arrangement with pharmaceutical giant Eli Lilly. CSL granted Lilly certain rights to develop and commercialize clazakizumab, a monoclonal antibody therapy. The drug targets interleukin-6 (IL-6), a protein involved in immune system signaling. Under the terms of the deal, CSL will receive an upfront payment of US$100 million.
CSL retains exclusive rights to develop and commercialize clazakizumab for the prevention of cardiovascular events in patients diagnosed with end-stage kidney disease. Eli Lilly will pursue development of the drug for other potential medical indications. The agreement includes provisions for future milestone payments and royalties to CSL, contingent upon successful development and regulatory milestones. The transaction remains subject to standard closing conditions, including necessary regulatory approvals.
Pipeline and Trial Progress
Clazakizumab was originally developed by Vitaeris and subsequently acquired by CSL in 2020. The company is currently advancing a Phase 3 clinical trial named POSIBIL6ESKD, which is evaluating the drug in dialysis patients. This trial is registered under the identifier NCT05485961. Bill Mezzanotte, CSL's Head of Research and Development, described clazakizumab as a promising therapeutic candidate, highlighting its potential in addressing significant unmet medical needs.
Capital Management and Insider Activity
Corporate filings with the Australian Securities Exchange revealed continued activity on CSL's capital management front. The company executed an on-market share buyback, purchasing 51,191 of its own shares at a total cost of approximately A$7.85 million. The buyback transactions occurred at prices ranging from A$152.19 to A$154.84 per share. To date, CSL has repurchased 3.27 million shares under this program, which is authorized to continue through June 30, 2026.
In a separate filing, the company disclosed that non-executive director Alison Watkins increased her holdings. She acquired 214 CSL shares on February 17 through the exercise of rights under a director equity plan. This move is often interpreted by market participants as a signal of confidence in the company's long-term prospects from within the boardroom.
Broader Market Context and Company Challenges
The broader S&P/ASX 200 index finished Thursday's session 0.9% higher, providing a supportive backdrop for equity risk appetite during the latter part of the earnings season. For CSL shareholders, a key concern has been whether the stock can establish a support level following a pronounced sell-off earlier in the month.
The licensing deal arrives shortly after CSL's interim financial results, which were impacted by one-off restructuring costs and impairments that affected reported profit. Despite these charges, the company reaffirmed its full-year guidance and announced an expansion of its share buyback program. Chief Financial Officer Ken Lim acknowledged the company's performance was below expectations, stating management was clearly not satisfied with the recent results.
Leadership Transition and Future Catalysts
CSL is concurrently managing a significant leadership transition. The company announced earlier this month that Paul McKenzie will retire from his roles as Chief Executive Officer and Managing Director. Gordon Naylor, a long-tenured executive, has been appointed interim CEO while the board of directors conducts a search for a permanent successor.
While the market has responded positively to the pipeline news, analysts note that the initial enthusiasm for drug development deals can be tempered as investors later factor in the inherent risks of clinical trials. These risks include potential delays in trial timelines, disappointing late-stage clinical data, and regulatory processes that may extend beyond market expectations.
Looking ahead, traders are likely to monitor updates on the closing timeline for the Lilly transaction and the daily disclosures regarding CSL's buyback activity. The next fixed date on the corporate calendar is the interim dividend schedule. The stock is scheduled to trade ex-dividend on March 10, with a record date of March 11. The dividend payment is due to shareholders on April 9.



