As of January 2026 Janus Henderson has a market cap of A$11.02 Billion. This makes Janus Henderson the world's 2433th 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 2nd, 2026 the market cap of Janus Henderson was reported to be: