Over the past decade (2016-2026), total bank assets grew 60% while the number of banks declined 30%. The result: a 129% increase in average bank size.
Mergers and acquisitions remain the primary driver of this consolidation as evidenced by nearly 100 banks being lost to M&A during the first half of 2026.
This consolidation is not limited to large banks as community banks, facing ongoing competitive pressure, remain active participants.
JRN by Bauer 43:38, September 30, 2026
Average U.S. Bank Size More than Doubled Over Decade
U.S. bank assets have grown by 60% in the past ten years (from June 30, 2016 to June 30, 2026), while the number of U.S. banks has decreased by 30% (from 6,058 to 4,238). The inverse nature of these variables can only mean one thing. Banks are fewer in numbers, but larger in asset size.
Ten years ago, the average U.S. bank had $2.73 billion in assets. By June 30, 2026, that average had climbed to $6.24 billion (129%)! Bauer does not see any signs of that mitigating.
Last week we reported on 12 banks that were acquired by credit unions in the first half of 2026 (JRN 43:37). That pales in comparison to the nearly 100 acquired by (or merged into) other banks. Texas saw the most activity, losing nine of its banks, but thirty-four states lost one or more banks to another financial institution during the six-month period.
Some of the largest transactions included:
- 5-Star Fifth Third Bank N.A., Cincinnati, OH (6672), which acquired one of our Nation’s oldest banks, the $80 billion asset Comerica Bank, Dallas, TX in February. (Comerica was originally established in 1849 as Detroit Bank & Trust, Detroit, MI.) Computer and branch conversions happened in early September (JRN 43:02 & 43:04) and while the conversions did not go as smoothly as they would have liked, the transaction boosted Fifth Third Bancorp (the holding company) to over $300 billion in assets. It is now the 16th largest bank holding company in the U.S.
- 5-Star Pinnacle Bank, Nashville, TN (35583) doubled its asset size when it merged with the $61 billion asset Synovus Bank, Columbus, GA in January (JRN 42:30). The merger created the largest bank holding company in Georgia (Pinnacle Financial Partners, Inc.) and the largest bank headquartered in Tennessee, Pinnacle Bank, with total assets of $128.8 billion in assets.
- 5-Star Huntington National Bank, Columbus, OH (6560) merged with a serial acquirer, the $53.5 billion asset Cadence Bank, Tupelo, MS (JRN 43:01). Huntington now boasts assets of over $283 billion and an expanded branch network that now takes it into 21 different states.
- 5-Star PNC Bank, N.A., Wilmington, DE (6384) was the winner of the fourth largest bank either merged or acquired in the first half of 2026. It acquired the $29 billion asset 5-Star FirstBank, Lakewood, CO on June 19th increasing its asset size from $568 billion at March 31st to $610 billion at June 30th and its branch network to over 2,300 offices from Delaware to Colorado.
It wasn’t just big bank acquisitions that contributed to this phenomenon, though. The (Gaylon) Lawrence Family, for example, strategically brought together five banks that were already under its ownership (in Northeast Arkansas and Southeast Missouri) under one brand. It began in January 2025 when the $125.526 million asset Piggott State Bank, Piggott, Arkansas was merged into the $430 million Farmers Bank & Trust, Blytheville, AR.
In the next phase, Farmers Bank changed its name to 4-Star FM Bank and Trust, Blytheville, AR (1027). The next phase came in January 2026 when First Missouri State Bank, First Missouri Bank of SEMO and First Missouri State Bank of Cape County, with combined assets of $726 million, were added to the mix. This combination of “sister” banks has resulted in outsized growth of over 200% for FM Bank.
The Lawrence Family took the same approach with the banks it owned in Tennessee, which have all become part of 5-Star Lawrence Bank (formerly Volunteer Bank), now a $3 billion asset bank headquartered in Nashville, TN (22451). In this instance, the bank was renamed to reflect its ownership, but often a bank will change its name from one that reflects its original geographic area to a more encompassing name. This is often the first indication that a bank is looking to expand.
For example, First National Bank of Edna was originally established in 1949 in Edna, Texas. In 1981 that name was changed to Allied First Bank and in 1984 it became simply First Bank. Four years later, First Bank made its first acquisition; it was the first of several failed banks that First Bank would acquire over the next several years. In 1992, the bank completed its fourth and fifth failed bank acquisitions and added Prosperity to its name.
It was far from done with acquisitions, though. In fact, it’s still not done. The now 5-Star Prosperity Bank (16835) has since dropped the “First” from its name and moved its headquarters from Edna to El Campo, Texas. In the first half of 2026 Prosperity Bank acquired two banks, increasing its assets by about $5 billion (from $38.5 billion to $43.9 billion). Then it acquired the $10.4 billion asset 4-Star Stellar Bank, Houston, TX (58629).
Today, Prosperity Bank operates through over 400 branch offices, mostly in Texas, but some also over the border in Oklahoma. Banking across state borders was not widely allowed until 1994. That’s when many banks began changing their names to appeal to a wider base.
That is likely why The Bethany Trust Company, Bethany, MO changed its name to BTC Bank in 1999. After that, it acquired seven banks, including two this year: Tipton Latham Bank, NA and Tri-County Trust Company, both also in MO. All of BTC Bank’s acquisitions have been small, and it still sticks to its community roots, but one branch is located over its northern border in Iowa. 5-Star BTC Bank, Bethany, MO (10618) ended the second quarter 2026 with assets just shy of the $2 billion mark.
Bank mergers and acquisitions have heated up considerably recently but have not yet reached previous peaks. With Regulators promising to speed up approvals for these transactions, that is likely just a matter of time.
