As of December 2025 Atlassian has a market cap of S$55.08 Billion. This makes Atlassian the world's 547th 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 10th, 2025 the market cap of Atlassian was reported to be: