Upstart signs $4 billion loan agreement with Castlelake

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Upstart Announces Multi-Year $4 Billion Forward Flow Agreement with Castlelake

July 29, 2026 8:45 AM EDT

Agreement represents one of Upstart's largest institutional funding commitments and further expands its relationship with Castlelake

BURLINGAME, Calif.--(BUSINESS WIRE)-- Upstart Holdings, Inc. (NASDAQ: UPST), the leading artificial intelligence (AI) lending marketplace, today announced a new multi-year forward-flow agreement with Castlelake, L.P. (Castlelake), a global alternative investment firm specializing in asset-based private credit.

Under the agreement, Castlelake-managed funds have agreed to purchase up to $4 billion of consumer loans originated on the Upstart platform over up to 24 months through a new forward-flow arrangement. This agreement... More