Fiserv Acquires StoneCastle Cash Management

December 17, 2025

Fiserv has completed its acquisition of StoneCastle Cash Management, integrating StoneCastle's institutional deposit network and cash management capabilities into Fiserv's payments, core processing and digital banking ecosystem. The deal extends Fiserv's insured deposit and liquidity solutions for financial institutions and merchants and links StoneCastle's capabilities to Fiserv's FIUSD stablecoin and broader cash-management product set; financial terms were not disclosed.

Buyers
Fiserv, Inc.
Targets
StoneCastle Cash Management
Location
New York, United States
Transaction Type
Buyout

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