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Australia’s CSL surges 18% on earnings beat, upbeat plasma business forecast

By Thomson Reuters Aug 17, 2026 | 5:21 PM

By Sherin Sunny and Nikita Maria Jino

Aug 18 (Reuters) – CSL reported better-than-expected annual underlying earnings on Tuesday and forecast growth in 2027 on the back of its core plasma division, sending the Australian ​biotechnology giant’s shares up 18% in their best intraday session ‌since 2001.

CSL, among the world’s top flu vaccine makers, posted underlying net profit after tax attributable of $3.14 billion on a constant-currency basis, ahead of Visible Alpha’s consensus estimate of $3.08 billion.

The former government laboratory, which listed in 1994 and later became a stock market darling, ‌forecast ​underlying earnings growth of about 5% in fiscal ⁠2027, well above market expectations ⁠of a meagre 0.7% growth.

Shares rose as much as 18.1% to A$159.01 by 0050 GMT, their biggest intraday gain since June 2001, and hit their highest level since late February 2026.

CSL said its plasma therapies unit ​CSL Behring is expected to post mid-single-digit revenue growth in the 2027 financial year, compared with a 1% drop in 2026, on growing demand ⁠for immunoglobulin therapies and efforts to improve ⁠productivity.

CSL, which lost billions of dollars in market value over ​the past year linked to a series of challenges, announced final dividend of $1.62 ​a share, unchanged from last year, and unveiled a A$1.1 billion ($781.88 ‌million) share buyback programme.

“The market is focusing on three positives: the maintained dividend, the fresh share buyback plan, and the clearer forward guidance. This has the feel of a ‘bad news is largely out’ reaction,” Tim Waterer, chief market ⁠analyst at KCM Trade, said.

“After a year of guidance cuts, management changes, and heavy impairments, the market is treating the result as confirmation that the worst ⁠of the reset is ‌behind the company, rather than a fresh negative surprise.”

On ⁠a statutory basis, CSL reported net loss after tax of $2.6 ​billion, ‌a turnaround from a $3 billion profit last year, pressured ​by pre-tax ⁠impairments of $5.5 billion in the second half of the year, and pre-tax restructuring costs of $799 million.

The loss was the company’s first since listing on the ASX in 1994, reflecting the impact of the impairments and restructuring charges.

($1 = 1.4069 Australian dollars)

(Reporting by Sherin Sunny and Nikita Maria Jino in Bengaluru; Editing by Leroy ​Leo and Sherry Jacob-Phillips)