As of August 2026 Atlassian has a market cap of S$52.64 Billion. This makes Atlassian the world's 639th 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 Aug 15th, 2026 the market cap of Atlassian was reported to be: