U.S. bank M&A activity reached a four-year high in Q3/25, with 52 deals announced, marking the highest quarterly number since Q3/21. The total deal value for the quarter was $16.63 billion, the largest since Q4/21, when $25.26 billion worth of deals were disclosed, according to S&P Global Market Intelligence data through Sept. 30.
Key highlights from the analysis include:
- Three of the 20 largest deals in 2025 were announced in September. PNC Financial Services Group’s $4.04 billion acquisition of FirstBank accounted for 79% of September’s $5.11 billion aggregate deal value. This transaction was the most expensive U.S. bank M&A deal announced since the end of 2021, with a deal value-to-tangible common equity ratio of 234.2%.
- Texas remained the most targeted state for bank M&A in 2025, with 14 target banks headquartered there. National Bank announced the acquisition of Vista Bancshares for $368.8 million, making it the 11th-largest U.S. bank M&A deal in 2025 through Q3.
- Heritage Financial’s $176.6 million purchase of Olympic Bancorp was the second bank deal announced in Washington in 2025. Bank M&A in Washington rebounded in 2024 when five deals were announced in the state, marking the highest annual total since 2018, when the same number of deals were also announced.
- Among the M&A deals announced in September, three target banks are based in the Midwest and three are based in the Northeast. The Midwest is the most targeted region so far this year, with 50 target banks, followed by the Southeast with 24.
