Total Assets
$648M
Total balance-sheet footings
FDIC Cert #15444 · Williston, North Dakota · Est. 1936
American State Bank & Trust Company of Williston - FDIC Bank Health Profile
A community-scale look at American State Bank & Trust Company of Williston's own numbers, pulled straight from its quarterly FDIC Call Report.
- $648M
- Total assets
- A
- Health grade · Excellent
- 2.50%
- Return on assets
- 22.0%
- Tier 1 capital
Data updated July 2026
The verdict
American State Bank & Trust Company of Williston earns a PlainBankData health grade of A (96/100), with well-capitalized at 21.99% Tier 1, profitable at 2.50% ROA, efficient (45% cost ratio).
- #1,476
- largest of 4,313 FDIC banks by assets
- 66th
- percentile by asset size, nationally
- 21.99%
- Tier 1 ratio - above the 10% well-capitalized line
- 96th
- percentile for profitability (ROA), nationally
This grade is PlainBankData's own interpretation of the bank's Call Report, not an FDIC rating, deposits here stay federally insured to $250,000 per depositor, per category, regardless of grade.
How American State Bank & Trust Company of Williston's 96/100 score adds up
Each factor is scored from this bank's own FDIC Call Report figures, then summed to the composite health score.
American State Bank & Trust Company of Williston's composite health score
Tier 1 Capital Ratio (21.99%) 40/40
Return on Assets (ROA) (2.50%) 25/25
Texas Ratio (6.11%) 16/20
Efficiency Ratio (44.67%) 15/15
96 of 100 points earned across four weighted factors. See our methodology for the full scoring formula.
Balance sheet at a glance
Total Deposits
$568M
Customer-funded liabilities
Net Loans
$292M
Outstanding loan book
Net Income
$16M
Bottom-line earnings
Capital adequacy vs federal thresholds
Where American State Bank & Trust Company of Williston ranks
Every one of the 4,307 FDIC-insured banks with a computed health score, bucketed by score. American State Bank & Trust Company of Williston's score of 96/100 falls in the highlighted band.
American State Bank & Trust Company of Williston's size among FDIC-insured banks
Every one of the 4,307 FDIC-insured banks with reported assets, bucketed by total-asset scale (note the buckets are powers of 10, most banks cluster in the $100M-$1B range). American State Bank & Trust Company of Williston's $648M falls in the highlighted band.
Safety metrics
Tier 1 capital ratio
Well-capitalized 10%
21.99% of risk-weighted assets - above the federal "well-capitalized" threshold of 10%.
Tier 1 Capital Ratio
21.99%
Texas Ratio
6.11%
Equity Capital
$60M
Profitability metrics
Return on Assets (ROA)
96th percentile nationally
2.50%
Return on Equity (ROE)
30.68%
Efficiency Ratio
44.67%
What the numbers say about American State Bank & Trust Company of Williston
American State Bank & Trust Company of Williston is an FDIC-insured institution (Certificate #15444) headquartered in Williston, North Dakota, established in 1936. It holds $648M in total assets - 1,476th of 4,313 FDIC-insured banks, $568M in customer deposits, and $292M in net loans. Its capital position: a Tier 1 ratio of 21.99%, meeting the 10% federal well-capitalized bar, alongside a Texas Ratio of 6.11% that is well inside the healthy sub-50% band. That combination rolls up into a PlainBankData health grade of A (96 of 100), blending Tier 1 capital, ROA, the Texas Ratio, and efficiency. These figures come directly from the bank's quarterly FDIC Call Report.
American State Bank & Trust Company of Williston sits 18th of 61 banks headquartered in North Dakota by total assets, placing it in the middle tier of the state's banking landscape.
Income & expense breakdown
$27M
Interest Income
$10M
Non-Interest Income
$13M
Non-Interest Expense
Asset quality, Texas Ratio detail
The Texas Ratio compares troubled assets to the capital available to absorb losses. American State Bank & Trust Company of Williston reports a Texas Ratio of 6.11% - comfortably in the healthy band; non-performing loans are a small fraction of the bank’s loss-absorbing capital.
Texas Ratio
Caution 50%
6.11% - lower is safer; 100% is the level at which troubled assets equal loss-absorbing capital.
Top banks in North Dakota by total assets
Source: FDIC BankFind Suite, Call Report (FFIEC 031/041) American State Bank & Trust Company of Williston (FDIC Cert #15444) - Tier 1 capital ratio, total assets, deposits, ROA/ROE · 2025 FDIC Call Reports filed quarterly; latest publicly-available vintage shown. Health grades are PlainBankData's interpretation of regulatory filings and are not official FDIC ratings.
Other banks in North Dakota
All North Dakota banks →| Bank | Assets | Grade | ROA |
|---|---|---|---|
| Bell BankFargo | $14.4B | C | 0.59% |
| First International Bank & TrustWatford City | $6.2B | B | 1.69% |
| Choice Financial GroupFargo | $6.0B | B | 1.22% |
| Alerus Financial, National AssociationGrand Forks | $5.2B | C | 0.42% |
| Gate City BankFargo | $4.0B | D | 0.60% |
| Bravera BankDickinson | $3.8B | B | 1.12% |
| Western State BankDevils Lake | $2.6B | A | 1.79% |
| First Western Bank & TrustMinot | $2.3B | C | 0.84% |
Frequently asked questions
What is American State Bank & Trust Company of Williston's health grade?▼
American State Bank & Trust Company of Williston receives a health grade of A (96/100) based on four FDIC financial metrics: Tier 1 Capital Ratio (40%), Return on Assets (25%), Texas Ratio (20%), and Efficiency Ratio (15%). This bank demonstrates excellent financial health with strong capital ratios and profitability.
How large is American State Bank & Trust Company of Williston?▼
American State Bank & Trust Company of Williston holds $648M in total assets and $568M in deposits, ranking 1,476th of 4,313 FDIC-insured banks by asset size. It is headquartered in Williston, North Dakota.
Is my money safe at American State Bank & Trust Company of Williston?▼
Yes, deposits at American State Bank & Trust Company of Williston (Certificate #15444) are FDIC-insured up to $250,000 per depositor, per ownership category, regardless of health grade.
What is American State Bank & Trust Company of Williston's Tier 1 Capital Ratio?▼
American State Bank & Trust Company of Williston has a Tier 1 Capital Ratio of 21.99%. That clears the federal 10% bar regulators use to call a bank "well-capitalized."
What is the Texas Ratio for American State Bank & Trust Company of Williston?▼
American State Bank & Trust Company of Williston has a Texas Ratio of 6.11%. Staying under 50% is the level analysts treat as healthy. The Texas Ratio measures non-performing loans against equity and reserves, a higher ratio signals greater exposure to loan losses.
How efficient is American State Bank & Trust Company of Williston?▼
American State Bank & Trust Company of Williston has an Efficiency Ratio of 44.67%. Under the 60% mark counts as efficient, more of every revenue dollar reaches the bottom line. This metric compares non-interest expenses to total revenue.
What to do with this
How to read American State Bank & Trust Company of Williston's profile as a depositor or analyst.
- American State Bank & Trust Company of Williston's grade reflects capital, profitability, and asset quality, read the four pillars before drawing conclusions. How grades work
- Compare American State Bank & Trust Company of Williston against other North Dakota banks before moving funds. North Dakota banks
Not financial advice. Health grades are PlainBankData's interpretation of public FDIC Call Report data, not official FDIC ratings or predictions. Verify the latest figures at the FDIC BankFind Suite.
Every figure on PlainBankData is rendered directly from FDIC federal source data, no number is typed in by an editor. Informational only, not professional advice; consult a qualified professional before acting on it. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Q4 2025.
Disclaimer: Data from the FDIC BankFind Suite. PlainBankData does not rate or rank banks as investment or safety recommendations. Health grades are informational only, computed from public regulatory filings. Always verify current standing directly with FDIC.gov before making financial decisions.