As of January 2026 Siebert Financial has a market cap of โน12.09 Billion. This makes Siebert Financial the world's 8990th 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 11th, 2026 the market cap of Siebert Financial was reported to be: