As of January 2026 Atlassian has a market cap of A$51.95 Billion. This makes Atlassian the world's 698th 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 Jan 14th, 2026 the market cap of Atlassian was reported to be: