About StoneCastle
Founded in 2009, StoneCastle provides institutional-grade cash and savings solutions that deliver stable, diversified funding to financial institutions while offering depositors safety, liquidity, and competitive returns. It's platforms are trusted by a broad range of sophisticated clients, including wealth managers, Fortune 500 corporations, endowments, municipalities, family offices, and other institutional investors. StoneCastle is built by a team of more than 60 professionals with deep expertise across banking, technology, cybersecurity, risk management, and scalable, regulated operations.
In December 2025, StoneCastle was acquired by Fiserv, Inc. (NASDAQ: FISV), a Fortune 500 company and global leader in payments and financial technology. The company helps clients achieve best-in-class results through a commitment to innovation and excellence in areas including account processing and digital banking solutions; card issuer processing and network services; payments; e-commerce; merchant acquiring and processing; and Clover®, the world’s smartest point-of-sale system and business management platform. Fiserv is a member of the S&P 500® Index and one of TIME Magazine’s Most Influential Companies™.
StoneCastle was a subsidiary of StoneCastle Partners (“SCP”), a leading investor in U.S. community banks with long-standing relationships across thousands of financial institutions nationwide.



















