Southern Michigan Bank & Trust
Coldwater, Michigan, Branch County
$1.7B in total assets, the 690th largest of 4,309 US banks and 9th of 74 headquartered in Michigan.
- FDIC certificate
- 5019
- Established
- 1872
- Owned by
- Southern Michigan Bcorp Inc
- Primary regulator
- FDIC
- Website
- www.smb-t.com
At a glance
Compared with 17 banks headquartered in Michigan with $1 billion to $10 billion in assets, as of June 30, 2026.
| Measure | This bank | Percentile | Peer range, middle 90% | Peer median |
|---|---|---|---|---|
| Total assets | $1.7B | 53% | $1.5B | |
| Loans | $1.3B | 53% | $1.2B | |
| Deposits | $1.4B | 53% | $1.3B | |
| Return on assets | 0.86% | 2% | 1.30% | |
| Net interest margin | 3.48% | 12% | 3.81% | |
| Efficiency ratio | 69.3% | 82% | 61.5% | |
| Equity to assets | 9.26% | 47% | 9.41% | |
| Loans to deposits | 91% | 35% | 94% |
Growth
Total assets grew 8.5% a year over the last 5 years and 10.9% a year over 10 years, without acquisitions.
Acquisitions
| Closed | Acquired bank | Assets at acquisition |
|---|---|---|
| Apr 2009 | FNB Financial Three Rivers, MI, an affiliate under the same holding company | $152M |
Where they operate
20 branches in 6 counties.
Largest markets by deposits
| County | Deposits | Market share | Rank |
|---|---|---|---|
| Branch County, MI | $485M | 47.4% | 1 of 6 |
| Calhoun County, MI | $278M | 20.8% | 3 of 10 |
| St. Joseph County, MI | $268M | 25.8% | 2 of 8 |
| Kalamazoo County, MI | $145M | 3.2% | 8 of 13 |
| Hillsdale County, MI | $125M | 16.3% | 2 of 5 |
| Jackson County, MI | $103M | 4.2% | 5 of 12 |
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 4 branches since 2016 (16 to 20, +25.0%). 6 opened, 0 acquired, 2 closed or sold.
| Period | What happened | Opened or acquired | Closed or sold | Net change | Branches at end |
|---|---|---|---|---|---|
| Start of 2016 | Starting point | 16 | |||
| 2016 | Opened Portage | 1 | 0 | +1 | 17 |
| 2017 | Closed Three Rivers | 0 | 1 | −1 | 16 |
| 2019 | Opened PortageClosed Camden | 1 | 1 | 0 | 16 |
| 2022 | Opened Sturgis | 1 | 0 | +1 | 17 |
| 2023 | Opened Jackson | 1 | 0 | +1 | 18 |
| 2024 | Opened Jackson and Sturgis | 2 | 0 | +2 | 20 |
Balance sheet and earnings
Loans by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Commercial real estate | 51% | 30% | |
| 1-4 family residential | 17% | 37% | |
| Business (C&I) | 14% | 13% | |
| Multifamily | 8% | 4% | |
| Farmland | 4% | 1% | |
| Construction and land | 3% | 6% | |
| Agricultural | 2% | 1% | |
| Consumer | 1% | 2% | |
| Other | 1% | 6% |
Deposits by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Other interest-bearing | 49% | 50% | |
| Time deposits | 34% | 27% | |
| Noninterest-bearing | 18% | 23% |
Brokered deposits are 5.8% of deposits (peers 10.8%).
Return on assets
Trailing four quarters, with the peer median.
Credit and capital
| This bank | Peer median | |
|---|---|---|
| Noncurrent loans | 0.92% | 0.74% |
| Net charge-offs, annualized | 0.13% | 0.02% |
| Reserves to loans | 1.19% | 1.11% |
| Leverage ratio | 9.04% | 9.54% |
Noncurrent loans exclude government-guaranteed portions.
Related banks
Similar size in Michigan
Largest competitors in Branch County, MI
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/southern-michigan