MS vs TMO Comparison

Morgan Stanley is a massive global financial services firm, with offices in 42 countries and more than 82,000 employees as of year-end 2025. The firm cut its teeth in investment banking and institutional trading, where it maintains a strong presence today, but generates the lion share of its income from wealth and asset management franchises, where it boasted $9.3 trillion in client assets at the end of 2025. After reincorporation as a bank holding company in the wake of the global financial crisis, Morgan Stanley also boasts a top 10 banking franchise by deposits, with more than $400 billion in customer deposits, predominately attributable to cash sweeps from its wealth management and brokerage businesses.

Thermo Fisher Scientific sells scientific instruments and laboratory equipment, diagnostics consumables, and life science reagents. The firm operates through four segments as of year-end 2025 (revenue figures include some cross-segment revenue): analytical technologies (17% of sales); specialty diagnostic products (11%); life science solutions (23%); and lab products and services, which includes CRO services (the remainder).