As of December 2025 OneMain Financial has a market cap of NZ$13.51 Billion. This makes OneMain Financial the world's 2325th 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 9th, 2025 the market cap of OneMain Financial was reported to be: