Stock Rout Slashes Atlassian Billionaire Fortunes by a Third (1)

Feb. 19, 2026, 8:03 PM UTC

Michael Cannon-Brookes became a billionaire in his 30s and one of Australia’s richest tech executives with the initial public offering of software-as-a-service firm Atlassian Corp. just over a decade ago.

Now, along with co-founder Scott Farquhar, he’s at the sharp end of a global rout in stocks that are seen as threatened by artificial intelligence. Together, the pair have lost about $7.2 billion this year, or a third of their wealth, turning them into the biggest billionaire losers in software behind a trio of founders from advertising platform AppLovin Corp.

Mike Cannon-Brookes
Photographer: Lisa Maree Williams/Bloomberg

That marks a reversal of fortune for two ...

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