Banco Santander Acquired Webster Bank for $12.2 Billion
The multibillion-dollar deal officially closed in August 2026, solidifying a new market leader in Connecticut.
Updated on Sept. 23, 2026 in Financial Services

Live Poll
Do you trust that large-scale bank mergers maintain the quality of service for local customers?
Banco Santander finalized its $12.2 billion acquisition of Webster Bank in August 2026. The merger establishes the combined entity as the largest bank by deposits within Connecticut.
Why it matters
The deal allows Madrid-based Santander to leverage its global scale while capitalizing on Webster Bank's established local deposit growth and branch network. This expansion significantly enhances Santander's footprint in the Connecticut financial market.
Webster Bank held $42.7 billion in deposits as of June 30, 2026, marking a 5% year-over-year growth rate. The combined firm now holds a 24% market share, outpacing major rivals including M&T Bank and Chase.
The players
Banco Santander
This is a major global financial services group headquartered in Madrid with extensive operations across Europe and the Americas.
Webster Bank
Headquartered in Stamford, this institution is a leading regional commercial bank that has historically maintained a strong presence across Connecticut.
The details
The acquisition combines Webster's 95 state branches with Santander's 13 existing locations, though Santander does not plan to close any of the acquired Webster branches. Webster Bank will continue to operate under its existing brand name for the foreseeable future.
Timeline
Webster Bank was founded in 1935 in Waterbury, Connecticut.
Santander acquired Sovereign Bank in 2009.
Webster Bank merged with Sterling National Bank in 2022.
FDIC deposit data was recorded on June 30, 2026.
The acquisition of Webster Bank closed in August 2026.
Market Landscape
This transaction follows the pattern of consolidation established by previous regional bank mergers like the 2022 merger of Webster Bank and Sterling National Bank. The move positions the firm to aggressively compete for deposit share against national incumbents like Bank of America.
Customers can expect business as usual, as the Webster Bank brand will remain the primary operating name for branches. The deal aims to maintain local service levels while providing the security of a global financial institution.
The takeaway
The consolidation of these two institutions marks a significant shift in the state's banking landscape toward larger, globally backed regional players. Residents should continue to monitor their account terms, as brand stability often precedes long-term internal restructuring.
Further reading
For additional context on regional banking trends, see our Financial Services section.
Source note: This article includes information reported by CT Insider.
Live Poll
Do you trust that large-scale bank mergers maintain the quality of service for local customers?










