FDIC Cert #20311 · Bozeman, Montana · Est. 1970

American Bank - FDIC Bank Health Profile

A community-scale look at American Bank's own numbers, pulled straight from its quarterly FDIC Call Report.

$629M
Total assets
A
Health grade · Excellent
1.64%
Return on assets
15.3%
Tier 1 capital

Data updated July 2026

The verdict

American Bank earns a PlainBankData health grade of A (97/100), with well-capitalized at 15.35% Tier 1, profitable at 1.64% ROA, efficient (60% cost ratio).

#1,519
largest of 4,313 FDIC banks by assets
65th
percentile by asset size, nationally
15.35%
Tier 1 ratio - above the 10% well-capitalized line
81st
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 Bank's 97/100 score adds up

Each factor is scored from this bank's own FDIC Call Report figures, then summed to the composite health score.

American Bank's composite health score

0/100100/100National avg77/10097/100
American Bank's composite health score
Tier 1 Capital Ratio (15.35%) 40/40
Return on Assets (ROA) (1.64%) 25/25
Texas Ratio (0.01%) 20/20
Efficiency Ratio (59.51%) 12/15

97 of 100 points earned across four weighted factors. See our methodology for the full scoring formula.

Balance sheet at a glance

Total Assets

$629M

Total balance-sheet footings

Total Deposits

$564M

Customer-funded liabilities

Net Loans

$386M

Outstanding loan book

Net Income

$11M

Bottom-line earnings

Capital adequacy vs federal thresholds

0% 3% 6% 9% 12% 15% 18% CET1 (≥6.5% req.) Tier 1 (≥8.0% req.) Total (≥10.0% req.) 13.95% 15.35% 16.75%
Basel III capital ratios - American Bank

Where American Bank ranks

Every one of the 4,307 FDIC-insured banks with a computed health score, bucketed by score. American Bank's score of 97/100 falls in the highlighted band.

American Bank'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 Bank's $629M falls in the highlighted band.

Safety metrics

Tier 1 capital ratio
Well-capitalized 10%

15.35% of risk-weighted assets - above the federal "well-capitalized" threshold of 10%.

Tier 1 Capital Ratio
15.35%
Texas Ratio
0.01%
Equity Capital
$58M

What these ratios mean →

Profitability metrics

Return on Assets (ROA)
81st percentile nationally
1.64%
Return on Equity (ROE)
20.31%
Efficiency Ratio
59.51%

What these mean →

What the numbers say about American Bank

American Bank is an FDIC-insured institution (Certificate #20311) headquartered in Bozeman, Montana, established in 1970. It holds $629M in total assets - 1,519th of 4,313 FDIC-insured banks, $564M in customer deposits, and $386M in net loans. Looking at capital strength, Tier 1 stands at 15.35%, over the 10% well-capitalized line regulators set, while the Texas Ratio comes in at 0.01%, comfortably below the 50% caution mark. It earns a PlainBankData health grade of A (97/100), a composite of Tier 1 capital, ROA, the Texas Ratio, and efficiency. All of it traces back to the bank's own quarterly FDIC Call Report filing.

Within Montana, American Bank ranks 10th of 36 FDIC-insured banks by asset size -- a mid-sized institution, neither among the state's largest nor its smallest.

Income & expense breakdown

$34M
Interest Income
$2M
Non-Interest Income
$15M
Non-Interest Expense

Asset quality, Texas Ratio detail

The Texas Ratio compares troubled assets to the capital available to absorb losses. American Bank reports a Texas Ratio of 0.01% - comfortably in the healthy band; non-performing loans are a small fraction of the bank’s loss-absorbing capital.

Texas Ratio
Caution 50%

0.01% - lower is safer; 100% is the level at which troubled assets equal loss-absorbing capital.

FDIC Failed Bank List → View American Bank on FDIC BankFind →

Top banks in Montana by total assets

Largest banks headquartered in Montana
  1. 1
    Glacier Bank $32.0B

    Kalispell, MT · Grade B

  2. 2

    Billings, MT · Grade A

  3. 3

    Miles City, MT · Grade A

  4. 4

    Helena, MT · Grade B

  5. 5

    Laurel, MT · Grade A

Top 5 banks in Montana ranked by total assets · FDIC Call Report Q4 2025.

Source: FDIC BankFind Suite, Call Report (FFIEC 031/041) American Bank (FDIC Cert #20311) - 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 Montana

All Montana banks →
BankAssetsGradeROA
Glacier BankKalispell $32.0B B 0.90%
First Interstate BankBillings $26.6B A 1.20%
Stockman Bank of MontanaMiles City $7.6B A 1.87%
Opportunity Bank of MontanaHelena $2.1B B 0.83%
The Yellowstone BankLaurel $1.4B A 2.85%
Independence BankHavre $1.3B A 1.57%
TrailWest BankLolo $1.1B A 1.88%
Bank of Bridger, National AssociationBridger $799M A 0.72%

Frequently asked questions

What is American Bank's health grade?
American Bank receives a health grade of A (97/100) 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 Bank?
American Bank holds $629M in total assets and $564M in deposits, ranking 1,519th of 4,313 FDIC-insured banks by asset size. It is headquartered in Bozeman, Montana.
Is my money safe at American Bank?
Yes, deposits at American Bank (Certificate #20311) are FDIC-insured up to $250,000 per depositor, per ownership category, regardless of health grade.
What is American Bank's Tier 1 Capital Ratio?
American Bank has a Tier 1 Capital Ratio of 15.35%. This exceeds the 10% threshold for "well-capitalized" status under federal banking regulations.
What is the Texas Ratio for American Bank?
American Bank has a Texas Ratio of 0.01%. A ratio below 50% is generally considered 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 Bank?
American Bank has an Efficiency Ratio of 59.51%. Below 60% is considered efficient, the bank converts a strong share of revenue into profit. This metric compares non-interest expenses to total revenue.

What to do with this

How to read American Bank's profile as a depositor or analyst.

  • American Bank's grade reflects capital, profitability, and asset quality, read the four pillars before drawing conclusions. How grades work
  • Compare American Bank against other Montana banks before moving funds. Montana 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.