Santander Pulls in US Deposits While Waiting for Deal to Close

Why It Matters

The deposit surge and pending Webster deal signal Santander’s aggressive push to become a major U.S. regional player, reshaping competitive dynamics and reducing reliance on wholesale funding.

Key Takeaways

• Openbank attracted $11 billion in deposits within 18 months
• U.S. loan portfolio grew 5% YoY in Q1
• Return on tangible equity rose to 11.6% in Q1
• Webster deal would create $327 billion asset bank, 13th largest
• Lower‑cost deposits saved Santander about $150 million in funding costs

Pulse Analysis

Santander’s Openbank illustrates how digital‑only banks can quickly amass low‑cost deposits, a critical advantage in a market where funding margins are under pressure. By offering premium rates on an online savings product, Openbank has drawn $11 billion in just 18 months, translating into roughly $150 million of annual funding‑cost savings. This strategy mirrors a broader industry shift toward fintech‑driven deposit gathering, allowing traditional banks to diversify their liability base without relying on expensive wholesale sources.

The first‑quarter results reinforce Santander’s U.S. turnaround narrative. Loans grew 5% year‑over‑year, while return on tangible equity (ROTE) improved to 11.6%, up a full percentage point from the prior quarter. Management’s 18% ROTE target by 2028 underscores a disciplined focus on profitability and capital efficiency. These metrics, combined with a 4% rise in revenue and fee income, suggest the bank’s transformation plan is delivering tangible benefits ahead of the Webster integration.

The pending acquisition of Webster Financial is the linchpin of Santander’s U.S. ambition. With $85.6 billion in assets, low‑cost deposits, and an extensive branch network, the deal would lift the combined entity to $327 billion in assets, making it the 13th‑largest U.S. bank by size. Approval hinges on U.S. and European regulators, but if cleared, Santander will gain a formidable platform to compete with domestic regional banks, enhance cross‑selling opportunities, and further compress its cost of funds. The transaction also highlights the growing appetite of foreign banks to expand in the United States through strategic M&A rather than organic growth alone.