American Bank & Trust
Sioux Falls, SD · Owner: Leackco Bank Holding Co Inc
$2.2B
total assets, June 30, 2026
$2.2B
total assets, June 30, 2026
American Bank & Trust is a state nonmember bank based in Sioux Falls, SD, owned by Leackco Bank Holding Co Inc. As of June 30, 2026 it held $2.2 billion in assets and $2.0 billion in deposits; assets were up 14.7% from a year before. It has 20 branches in 3 states.
Updated Oct 11, 2026 · numbers as of June 30, 2026
Total assets
$2.2B
+14.7% in a year · +0.2% in a quarter
Deposits
$2.0B
+11.9% in a year · -0.3% in a quarter
Loans
$1.6B
+5.7% in a year · +2.0% in a quarter
Profit so far
$14.9M
Jan 1 to Jun 30, 2026 · +27.9% in a year
Capital ratio
11.28%
+1.98 pts in a year
Return on assets
1.34%
+0.14 pts in a year
Facts
- Type
- State nonmember bank
- Head office
- 6810 S Minnesota Ave, Sioux Falls, SD, 57108
- County
- Lincoln
- Holding company
- Leackco Bank Holding Co Inc
- Established
- Jan 1, 1892
- Employees
- 219
- Branches
- 20 in 3 states
- Website
- www.abt.bank
- Id
- b1117
Quarter by quarter
March 31, 1984 to June 30, 2026
Assets, deposits and loans
Each quarter end, US dollars
Profit by quarter
Net income of each quarter, the last 12
Ratios
Percent. Return on assets and net interest margin are yearly rates.
Branches
20 offices as of June 30, 2026, holding $2.0 billion in deposits
Branch map
Every branch, sized by its deposits
| State | Branches | Deposits | Share |
|---|---|---|---|
| South Dakota | 18 | $1.9B | 98.0% |
| Minnesota | 1 | $23.8M | 1.2% |
| North Dakota | 1 | $15.8M | 0.8% |
| Largest branches | Place | Deposits |
|---|---|---|
| Pierre Br | Pierre, SD | $392M |
| Sioux Falls River Centre Branch | Sioux Falls, SD | $254M |
| Huron Branch | Huron, SD | $217M |
| Watertown Branch | Watertown, SD | $159M |
| De Smet Branch | De Smet, SD | $145M |
| Aberdeen, South Dakota Branch | Aberdeen, SD | $120M |
| Miller Branch | Miller, SD | $99.8M |
| Wessington Springs Branch | Wessington Springs, SD | $85.1M |
| Stickney Br | Stickney, SD | $69.7M |
| American Bank & Trust (main office) | Sioux Falls, SD | $65.9M |
Related pages
Questions and answers
How big is American Bank & Trust?
$2.2 billion in total assets and $2.0 billion in deposits as of June 30, 2026, with assets up 14.7% from a year before. Its loans were $1.6 billion.
How many branches does American Bank & Trust have?
20 branches in 3 states as of June 30, 2026. The most deposits are in South Dakota ($1.9 billion).
Is American Bank & Trust profitable?
Yes: it earned $14.9 million from January 1 to June 30, 2026 (up 27.9% from the same months a year before). Its return on assets was 1.34% a year; about 1% is typical.
Who owns American Bank & Trust?
American Bank & Trust is owned by Leackco Bank Holding Co Inc, its holding company.
Official public data from the reports every insured bank files each quarter. Profit so far runs from January 1 to the quarter end. Branch deposits are counted once a year, as of June 30. New quarters appear about two months after the quarter ends.