As of January 2026 Northern Trust has a market cap of $27.75 Billion USD. This makes Northern Trust the world's 876th 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 17th, 2026 the market cap of Northern Trust was reported to be: