As of December 2025 Janus Henderson has a market cap of A$10.45 Billion. This makes Janus Henderson the world's 2532th 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 4th, 2025 the market cap of Janus Henderson was reported to be: