As of February 2026 Atlassian has a market cap of ยฃ13.99 Billion. This makes Atlassian the world's 1242th 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 Feb 23rd, 2026 the market cap of Atlassian was reported to be: