STT vs EBAY Comparison

State Street is a leading provider of financial services, including investment servicing, investment management, and investment research and trading. With approximately $54 trillion in assets under custody and administration, and $5.7 trillion in assets under management, as of Dec. 31, 2025, State Street operates globally in more than 100 geographic markets and employs about 51,500 worldwide.

Founded in 1995, eBay operates one of the world's largest online marketplaces, connecting buyers and sellers across more than 190 markets. In 2025, the firm generated $11.1 billion in revenue on nearly $80 billion of gross merchandise volume, serving 135 million active buyers and 18 million active sellers (users who closed at least one transaction in the past year). The firm monetizes its marketplace primarily through transaction fees and advertising, with 52% of revenue derived from the US and the remainder from international markets. In a bid to expand its reach among Generation Z and in the recommerce sector, eBay announced the $1.2 billion acquisition of fashion resale app Depop from Etsy in early 2026.