As of October 2026 Northern Trust has a market cap of A$44.71 Billion. This makes Northern Trust the world's 790th 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 Oct 1st, 2026 the market cap of Northern Trust was reported to be: