Mercury, which provides banking services to startups, raised a $200M Series D led by TCV at a $5.2B valuation, up from $3.5B in March 2025 (Hugh Son/CNBC)

Hugh Son / CNBC: Mercury, which provides banking services to startups, raised a $200M Series D led by TCV at a $5.2B valuation, up from $3.5B in March 2025 — Mercury, a fintech firm that provides banking services to startups, has raised $200 million in funding at a $5.2 billion valuation, CNBC has learned exclusively.