Security Bank and Trust Company
Miami, Oklahoma, Ottawa County
$167M in total assets, the 3,236th largest of 4,309 US banks and 110th of 171 headquartered in Oklahoma.
- FDIC certificate
- 9881
- Established
- 1922
- Owned by
- Ssb Holdings Inc
- Primary regulator
- FDIC
- Website
- www.sbtmiami.com
At a glance
Compared with 105 banks headquartered in Oklahoma with $100 million to $1 billion in assets, as of June 30, 2026.
| Measure | This bank | Percentile | Peer range, middle 90% | Peer median |
|---|---|---|---|---|
| Total assets | $167M | 20% | $319M | |
| Loans | $137M | 28% | $203M | |
| Deposits | $145M | 21% | $273M | |
| Return on assets | 1.39% | 50% | 1.39% | |
| Net interest margin | 4.64% | 71% | 4.21% | |
| Efficiency ratio | 61.4% | 52% | 60.8% | |
| Equity to assets | 7.54% | 9% | 10.25% | |
| Loans to deposits | 95% | 84% | 80% |
Growth
Total assets grew 12.4% a year over the last 5 years and 7.4% a year over 10 years, including 1 acquisition in the last 10 years.
Acquisitions
| Closed | Acquired bank | Assets at acquisition |
|---|---|---|
| Jan 2018 | First State Bank Commerce, OK | $7M |
| Oct 1985 | Farmers State Bank in Afton, Oklahoma Afton, OK | $12M |
Where they operate
4 branches in 1 county.
Largest markets by deposits
| County | Deposits | Market share | Rank |
|---|---|---|---|
| Ottawa County, OK | $145M | 20.8% | 3 of 8 |
Deposits by branch from the FDIC Summary of Deposits, June 2026. Rank among all banks with branches in that county.
Branch history since 2016
Net gain of 1 branch since 2016 (3 to 4, +33.3%). 0 opened, 1 acquired, 0 closed or sold.
| Period | What happened | Opened or acquired | Closed or sold | Net change | Branches at end |
|---|---|---|---|---|---|
| Start of 2016 | Starting point | 3 | |||
| 2018 | Acquired First State Bank | 1 | 0 | +1 | 4 |
Balance sheet and earnings
Loans by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| 1-4 family residential | 34% | 25% | |
| Commercial real estate | 29% | 27% | |
| Business (C&I) | 17% | 14% | |
| Construction and land | 9% | 9% | |
| Consumer | 4% | 4% | |
| Multifamily | 3% | 2% | |
| Agricultural | 2% | 8% | |
| Farmland | 1% | 8% | |
| Other | 2% | 3% |
Deposits by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Other interest-bearing | 43% | 43% | |
| Time deposits | 40% | 34% | |
| Noninterest-bearing | 16% | 23% |
Brokered deposits are 20.3% of deposits (peers 5.1%).
Return on assets
Trailing four quarters, with the peer median.
Credit and capital
| This bank | Peer median | |
|---|---|---|
| Noncurrent loans | 1.41% | 0.67% |
| Net charge-offs, annualized | -0.00% | 0.02% |
| Reserves to loans | 1.52% | 1.33% |
| Leverage ratio | 8.04% | 10.79% |
Noncurrent loans exclude government-guaranteed portions.
Related banks
Similar size in Oklahoma
Largest competitors in Ottawa County, OK
Figures as of June 30, 2026 from the bank's Call Report, FDIC structure and branch data, and the Federal Reserve. Short link: bankingstats.com/banks/security-bank-trust-miami-ok