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Fiserv Acquires StoneCastle Cash Management: Driving Innovation

StoneCastle Cash Management acquired by Fiserv

AcquisitionFinance/Insurance

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Acquired

StoneCastle Cash Management

Financial Services

Undisclosed amount

September 29, 2025

Fiserv logo
Acquirer

Fiserv

IT Services and IT Consulting

Fiserv, a leading global provider of financial services technology solutions, has acquired StoneCastle Cash Management for an undisclosed amount. The acquisition marks a strategic expansion for Fiserv into advanced cash and deposit management solutions, integrating StoneCastle's specialized offerings into its broader financial services portfolio. StoneCastle, founded in 2003, is known for connecting institutional and retail investors to banks through innovative cash, deposit, and capital investment solutions, overseeing more than $22 billion in assets under administration.

StoneCastle has established itself as a prominent provider of tech-enabled deposit and cash management strategies for banks, institutions, brokerages/RIAs, and their clients. Utilizing its proprietary processing and analytical systems and an extensive bank network, StoneCastle facilitates insured deposits and stable funding for over 1,000 insured depository institutions. The company, which is employee-owned and managed, also received backing from financial partners including Canadian Imperial Bank of Commerce (CIBC) and Charlesbank Capital Partners, both of whom held ownership investments.

This acquisition is strategically significant, enabling Fiserv to enhance its capabilities in deposit optimization and liquidity management for financial institutions and their clients. By integrating StoneCastle’s robust platform, Fiserv can offer an expanded suite of services, providing greater value to its existing client base while attracting new clients seeking sophisticated cash management solutions. The synergy is expected to create a more comprehensive offering, combining Fiserv's extensive financial technology infrastructure with StoneCastle's specialized expertise in deposit aggregation and distribution.

The combined entity is poised to deliver a more integrated and powerful set of tools for managing cash, optimizing deposits, and ensuring stable funding across the financial sector. This move underscores Fiserv's commitment to continuously evolving its offerings to meet the dynamic needs of the banking and investment industries.

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Financial Technology
Banking Solutions
Deposit Management
Liquidity Management
Risk Management

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