Cornerstone Bank
Fargo, North Dakota, Cass County
$1.9B in total assets, the 655th largest of 4,309 US banks and 10th of 60 headquartered in North Dakota.
- FDIC certificate
- 13198
- Established
- 1907
- Owned by
- Cornerstone Holding Co Inc
- Primary regulator
- FDIC
- Website
- www.cornerstone.bank
At a glance
Compared with 11 banks headquartered in North Dakota 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 | $1.9B | 27% | $2.5B | |
| Loans | $1.4B | 36% | $2.3B | |
| Deposits | $1.6B | 27% | $2.1B | |
| Return on assets | 1.30% | 54% | 1.27% | |
| Net interest margin | 4.09% | 91% | 3.70% | |
| Efficiency ratio | 57.1% | 36% | 63.1% | |
| Equity to assets | 8.16% | 2% | 10.45% | |
| Loans to deposits | 83% | 27% | 91% |
Growth
Total assets grew 10.1% a year over the last 5 years and 8.9% a year over 10 years, without acquisitions.
Acquisitions
| Closed | Acquired bank | Assets at acquisition |
|---|---|---|
| Mar 2015 | Lakeside State Bank New Town, ND | $442M |
| Mar 2015 | McKenzie County Bank Watford City, ND | $175M |
| Mar 2008 | Peoples Bank and Trust Parshall, ND | $55M |
| Jan 1994 | Peoples & Enderlin State Bank Enderlin, ND | $15M |
Where they operate
13 branches in 10 counties.
Largest markets by deposits
| County | Deposits | Market share | Rank |
|---|---|---|---|
| Mountrail County, ND | $549M | 53.9% | 1 of 3 |
| Mckenzie County, ND | $306M | 22.0% | 2 of 3 |
| Cass County, ND | $289M | 2.6% | 10 of 28 |
| Burleigh County, ND | $223M | 4.0% | 11 of 16 |
| Ward County, ND | $123M | 3.6% | 9 of 11 |
| Stark County, ND | $102M | 5.0% | 6 of 10 |
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 3 branches since 2016 (10 to 13, +30.0%). 9 opened, 0 acquired, 6 closed or sold.
| Period | What happened | Opened or acquired | Closed or sold | Net change | Branches at end |
|---|---|---|---|---|---|
| Start of 2016 | Starting point | 10 | |||
| 2016 | Opened Dickinson and Sioux Falls | 2 | 0 | +2 | 12 |
| 2017 | Opened Watford CityClosed Watford City | 1 | 1 | 0 | 12 |
| 2018 | Opened Sioux FallsClosed Sioux Falls | 1 | 1 | 0 | 12 |
| 2021 | Closed Bismarck | 0 | 1 | −1 | 11 |
| 2022 | Opened 3 in North DakotaClosed Minot | 3 | 1 | +2 | 13 |
| 2023 | Closed Makoti | 0 | 1 | −1 | 12 |
| 2024 | Closed Fargo | 0 | 1 | −1 | 11 |
| 2026 through Q2 | Opened Aberdeen and Watertown | 2 | 0 | +2 | 13 |
Balance sheet and earnings
Loans by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Commercial real estate | 27% | 25% | |
| Business (C&I) | 17% | 17% | |
| Agricultural | 15% | 10% | |
| 1-4 family residential | 11% | 18% | |
| Farmland | 10% | 9% | |
| Multifamily | 9% | 8% | |
| Construction and land | 6% | 6% | |
| Consumer | 3% | 5% | |
| Other | 2% | 2% |
Deposits by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Other interest-bearing | 63% | 57% | |
| Time deposits | 23% | 25% | |
| Noninterest-bearing | 14% | 17% |
Brokered deposits are 2.9% of deposits (peers 4.2%).
Return on assets
Trailing four quarters, with the peer median.
Credit and capital
| This bank | Peer median | |
|---|---|---|
| Noncurrent loans | 2.35% | 0.79% |
| Net charge-offs, annualized | 0.13% | 0.16% |
| Reserves to loans | 1.31% | 1.17% |
| Leverage ratio | 9.63% | 9.61% |
Noncurrent loans exclude government-guaranteed portions.
Related banks
Similar size in North Dakota
Largest competitors in Mountrail County, ND
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/cornerstone-bank-fargo-nd