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Fiserv Signs Definitive Agreement to Acquire StoneCastle Cash Management

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Enabling a source of cost-efficient, stable funding for financial institutions

Helping merchants, financial institutions and fintechs best manage cash reserves backing FIUSD stablecoin issuance

MILWAUKEE--(BUSINESS WIRE)-- Fiserv, Inc. (NYSE: FI), a leading global provider of payments and financial services technology, today announced it has signed a definitive agreement to acquire StoneCastle Cash Management. StoneCastle enables its network of depository institutions, primarily community banks and credit unions, to easily access stable, cost-efficient deposit funding from thousands of businesses and enterprise customers holding cash balances.

This acquisition enables Fiserv to become a technology-enabled source of billions of dollars of institutional deposits, including from Fiserv’s enterprise customers. This helps financial institutions strengthen their balance sheets by integrating insured deposit products alongside their core account processing, digital banking, payments and cash-management capabilities across the Fiserv ecosystem.

“Acquiring StoneCastle is an important step forward in our strategy to help financial institutions optimize their balance sheets, which will enable them to do more in the communities they serve,” said Andrew Gelb, Head of Financial Solutions at Fiserv.

Additionally, StoneCastle will enable integrated access to other contingent funding solutions for financial institutions. Fiserv plans to leverage StoneCastle’s platform to help financial institutions retain funds associated with FIUSD stablecoin issuance.

“We believe this further sets Fiserv apart in core banking by enabling institutions to custody cash supporting FIUSD stablecoins, while unlocking new value and accelerating innovation across the financial ecosystem,” adds Takis Georgakopoulos, COO at Fiserv.

Founded in 2009, StoneCastle’s insured deposit platform helps optimize individual, commercial and governmental depositors while providing stable funding to over 1,000 FDIC insured depository institutions. StoneCastle operates a leading deposit network in the U.S., paired with an institutional-grade distribution platform to direct cash balances into insured depository institutions. StoneCastle has an existing relationship with over 300 Fiserv core banks as part of the larger deposit network, and it uses Finxact to support ledger services for its emerging digital asset business.

“For more than twenty years, StoneCastle has worked to connect institutional cash with community and regional banks in ways that promote safety, liquidity, and broader access to funding,” said Joshua Siegel, Founder & Chief Executive Officer of StoneCastle Partners, LLC. (“SCP”). "Joining Fiserv will accelerate our ability to innovate, expand our reach to financial institutions and depositors, and deliver even greater value through a unified, modern platform. We’re excited to pair our deposit funding expertise with Fiserv’s technology and client relationships.”

The transaction is expected to close by Q1 2026 subject to regulatory approvals and other customary closing conditions. Financial terms of the transaction have not been disclosed.

Keefe, Bruyette & Woods, A Stifel Company, served as exclusive financial advisor to StoneCastle Partners in connection with the transaction.

About StoneCastle

Founded in 2003, SCP has a long and successful track record of developing businesses which focus primarily on cost-efficient bank funding and solving business inefficiencies. StoneCastle Cash Management was founded by SCP in 2009 to provide superior deposit funding solutions for depository institutions and enhanced accounts for depositors. Its services are used by a wide range of depositors, including wealth managers, Fortune 500 corporations, endowments, municipalities, family offices and others. The firm is comprised of 50+ professionals with deep expertise in banking, technology, and institutional-grade operations.

About Fiserv

Fiserv, Inc. (NYSE: FI), a Fortune 500 company, moves more than money. As a 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, one of TIME Magazine’s Most Influential Companies™, and one of Fortune® World’s Most Admired Companies™. Visit fiserv.com and follow on social media for more information and the latest company news.

Forward-Looking Statements

This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Statements can generally be identified as forward-looking because they include words such as “believes,” “anticipates,” “expects,” “could,” “should,” “will” or words of similar meaning. Statements that describe the company’s future plans; objectives or goals are also forward-looking statements.

Forward-looking statements are subject to assumptions, risks and uncertainties that may cause actual results to differ materially from those contemplated by such forward-looking statements. The factors that could cause Fiserv’s actual results to differ materially include, among others: Fiserv’s ability to successfully integrate the operations of StoneCastle into those of Fiserv; conditions to the completion of the transaction may not be satisfied, or the regulatory approvals required for the transaction may not be obtained on the terms expected or on the anticipated schedule; the retention of key employees and clients of StoneCastle; and other factors included in “Risks Factors” in Fiserv’s filings with the SEC, including its Annual Reports on Form 10-K for the year ended December 31, 2024, and in other documents that it file with the SEC, which are available at www.sec.gov. You should consider these factors carefully in evaluating forward-looking statements and are cautioned not to place undue reliance on such statements. Fiserv assumes no obligation to update any forward-looking statements, which speak only as of the date of this press release.

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For more information contact:

Media Relations:
Melissa Moritz
VP, Corporate Communications
Fiserv, Inc.
+1-516-410-1188
Melissa.Moritz@fiserv.com

Investor Relations:
Julie Chariell
SVP, Investor Relations
Fiserv, Inc.
+1-212-515-0278
Julie.Chariell@fiserv.com

Source: Fiserv, Inc.

Released September 29, 2025