As of September 2026 OneMain Financial has a market cap of โน681.61 Billion. This makes OneMain Financial the world's 2606th 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 Aug 31st, 2026 the market cap of OneMain Financial was reported to be: