Total Assets
$26.6B
Total balance-sheet footings
FDIC Cert #1105 · Billings, Montana · Est. 1916
One of the largest FDIC-insured institutions in the country, drawn straight from its quarterly Call Report to BankFind Suite.
Data updated July 2026
The verdict
First Interstate Bank earns a PlainBankData health grade of A (87/100), with well-capitalized at 14.13% Tier 1, profitable at 1.20% ROA, efficient (56% cost ratio).
PlainBankData assigns this grade from public Call Report data; it isn't an official FDIC rating, and your deposits remain insured to $250,000 per depositor, per ownership category no matter the score.
Each factor is scored from this bank's own FDIC Call Report figures, then summed to the composite health score.
87 of 100 points earned across four weighted factors. See our methodology for the full scoring formula.
Total Assets
$26.6B
Total balance-sheet footings
Total Deposits
$22.4B
Customer-funded liabilities
Net Loans
$15.1B
Outstanding loan book
Net Income
$333M
Bottom-line earnings
Every one of the 4,307 FDIC-insured banks with a computed health score, bucketed by score. First Interstate Bank's score of 87/100 falls in the highlighted band.
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). First Interstate Bank's $26.6B falls in the highlighted band.
14.13% of risk-weighted assets - above the federal "well-capitalized" threshold of 10%.
First Interstate Bank is an FDIC-insured institution (Certificate #1105) headquartered in Billings, Montana, established in 1916. It holds $26.6B in total assets - 83rd of 4,313 FDIC-insured banks, $22.4B in customer deposits, and $15.1B in net loans. Looking at capital strength, Tier 1 stands at 14.13%, over the 10% well-capitalized line regulators set, while the Texas Ratio comes in at 3.78%, comfortably below the 50% caution mark. It earns a PlainBankData health grade of A (87/100), 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.
First Interstate Bank's asset base places it among the largest FDIC-insured institutions in the country, 83rd of 4,313 nationally, and 2nd of 36 banks headquartered in Montana. Only Glacier Bank ($32.0B) is larger within the state. At this scale, the bank's own capital and asset-quality trends are a meaningful signal for the regional banking sector, not just its own depositors.
The Texas Ratio compares troubled assets to the capital available to absorb losses. First Interstate Bank reports a Texas Ratio of 3.78% - comfortably in the healthy band; non-performing loans are a small fraction of the bank’s loss-absorbing capital.
3.78% - lower is safer; 100% is the level at which troubled assets equal loss-absorbing capital.
First Interstate Bank is closely matched in total assets by FirstBank, Renasant Bank, Charles Schwab Premier Bank, SSB, Axos Bank across 6 states -- its real national peer set, not just banks sharing a home state. Within that asset-matched cohort, the average ROA is 1.31%, versus First Interstate Bank's own 1.20%; the average efficiency ratio is 45.14%, versus 56.03% here; and average Tier 1 capital sits at 18.01%, versus 14.13% at First Interstate Bank. At this asset scale, banks are best benchmarked against one another by balance-sheet composition and capital discipline, not by shared geography.
At $26.6B in assets, First Interstate Bank has crossed the $10 billion threshold at which the CFPB takes over direct supervision for consumer-protection compliance under Dodd-Frank Act Section 1025, rather than leaving that oversight solely to the bank's primary prudential regulator.
| Bank | State | Assets | ROA | Efficiency | Tier 1 |
|---|---|---|---|---|---|
| First Interstate Bank (this bank) | MT | $26.6B | 1.20% | 56.03% | 14.13% |
| FirstBank | CO | $26.5B | 1.20% | 50.25% | 16.10% |
| Renasant Bank | MS | $26.7B | 0.89% | 61.24% | 12.00% |
| Charles Schwab Premier Bank, SSB | TX | $27.0B | 1.47% | 15.30% | 42.00% |
| Axos Bank | CA | $27.2B | 1.77% | 42.85% | 11.12% |
| WaFd Bank | WA | $27.3B | 0.91% | 54.50% | 13.44% |
| Ameris Bank | GA | $27.4B | 1.64% | 46.67% | 13.43% |
Source: FDIC BankFind Suite, Call Report (FFIEC 031/041) First Interstate Bank (FDIC Cert #1105) - 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.
| Bank | Assets | Grade | ROA |
|---|---|---|---|
| Glacier BankKalispell | $32.0B | B | 0.90% |
| 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% |
| Farmers State BankVictor | $774M | B | 0.96% |
What to do with this
How to read First Interstate Bank's profile as a depositor or analyst.
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.