As of December 2025 Atlassian has a market cap of ยฃ31.18 Billion. This makes Atlassian the world's 561th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.
On Dec 4th, 2025 the market cap of Atlassian was reported to be: