BLK vs AXP Comparison

BlackRock is the largest asset manager in the world, with $13.464 trillion in assets under management at the end of September 2025. Its product mix is diverse, with 55% of managed assets in equity strategies, 24% in fixed income, 9% in multi-asset classes, 7% in money market funds, and 5% in alternatives. Passive strategies account for more than two-thirds of long-term AUM, with the company's ETF platform maintaining a leading market share domestically and on a global basis. Product distribution is weighted more toward institutional clients, which, by our calculations, account for around 80% of AUM. BlackRock is geographically diverse, with clients in more than 100 countries and more than one-third of managed assets coming from investors domiciled outside the US and Canada.

American Express is a global financial institution, operating in about 130 countries, that provides consumers and businesses charge and credit card payment products. The company also operates a highly profitable merchant payment network. It operates in four segments: US consumer services, US commercial services, international card services, and global merchant and network services. In addition to payment products, the company's commercial business offers expense management tools, consulting services, and business loans.