← Back to All US Stocks

First Interstate Bancsystem Inc. (FIBK) Stock Fundamental Analysis & AI Rating 2026

FIBK Nasdaq State Commercial Banks DE CIK: 0000860413
Updated This Month • Analysis: Mar 24, 2026 • SEC Data: 2025-12-31
📅 Next earnings: Apr 29, 2026 (in 13 days) • After-hours ET • EPS est. $0.60 (vs $0.49 prior year) • All earnings →
Combined AI Rating
BUY
73% Confidence
STRONG AGREEMENT
BUY
72% Conf
BUY
74% Conf

📊 FIBK Key Takeaways

Revenue: $1.2B
Net Margin: 25.6%
Free Cash Flow: $305.6M
Current Ratio: N/A
Debt/Equity: 0.04x
EPS: $2.94
AI Rating: BUY with 72% confidence
First Interstate Bancsystem Inc. (FIBK) receives a BUY rating with 73% confidence from our AI fundamental analysis based on SEC 10-K filings. With revenue of $1.2B, net profit margin of 25.6%, and return on equity (ROE) of 8.8%, First Interstate Bancsystem Inc. demonstrates strong fundamentals in the Finance sector. Below is our complete FIBK stock analysis for 2026.

Is First Interstate Bancsystem Inc. (FIBK) a Good Investment?

Claude

First Interstate BancSystem demonstrates strong fundamental momentum with 42.7% YoY revenue growth and 33.7% YoY net income expansion, coupled with solid profitability margins (25.6% net margin) and excellent free cash flow generation (305.6M, 25.9% FCF margin). The conservative balance sheet with minimal leverage (0.04x debt/equity) and substantial cash position (1.3B) provide financial stability, though the low interest coverage ratio (1.1x) and modest ROE/ROA metrics warrant monitoring in a rising rate environment.

ChatGPT

First Interstate BancSystem shows strong recent fundamental momentum, with revenue up 42.7%, net income up 33.7%, and diluted EPS up 34.2% year over year. Profitability is solid for a bank, supported by a 25.6% net margin, 1.1% ROA, and healthy operating cash flow generation, while leverage appears conservative based on reported long-term debt. The main limitation is that returns on equity are only moderate and interest coverage is thin, which tempers an otherwise strong operating profile.

Why Buy First Interstate Bancsystem Inc. Stock? FIBK Key Strengths

Claude
  • + Exceptional revenue growth of 42.7% YoY with net income growth of 33.7% YoY indicates strong operational momentum
  • + Strong profitability with 25.6% net margin and 33.3% operating margin demonstrates effective cost management
  • + Excellent free cash flow generation of 305.6M (25.9% FCF margin) supports capital allocation flexibility
  • + Conservative leverage at 0.04x debt/equity with 1.3B cash position ensures financial stability
  • + Significant insider activity with 14 Form 4 filings in 90 days suggests management confidence
ChatGPT
  • + Strong year-over-year growth in revenue, net income, and diluted EPS
  • + Solid profitability with 33.3% operating margin and 25.6% net margin
  • + Healthy balance sheet profile with $3.45B equity, $1.31B cash, and very low reported long-term debt

FIBK Stock Risks: First Interstate Bancsystem Inc. Investment Risks

Claude
  • ! Interest coverage ratio of 1.1x is tight and vulnerable to interest rate increases or credit deterioration
  • ! ROE of 8.8% and ROA of 1.1% are below-average for banking sector, indicating limited capital efficiency
  • ! Rapid revenue growth (42.7%) may not be sustainable long-term and could reflect temporary factors or merger activity
  • ! Operating as a regional bank exposes company to geographic economic concentration risks
  • ! Net margin of 25.6% is unusually high for banking and may compress if credit quality deteriorates
ChatGPT
  • ! ROE of 8.8% is acceptable but not especially strong relative to the earnings growth profile
  • ! Interest coverage of 1.1x suggests limited cushion if funding costs or interest expense rise
  • ! As a commercial bank, future results remain sensitive to credit quality deterioration, deposit pressure, and margin compression

Key Metrics to Watch

Claude
  • * Net Interest Margin (NIM) trends and sensitivity to rate changes
  • * Loan loss provision and charge-off rates as indicators of credit quality
  • * Deposit growth and deposit mix (core vs. brokered) for funding stability
  • * Return on Equity (ROE) improvement trajectory toward sector benchmarks
  • * Interest coverage ratio sustainability and debt service capacity
ChatGPT
  • * Net interest margin and interest coverage
  • * ROE, ROA, and credit quality trends

First Interstate Bancsystem Inc. (FIBK) Financial Metrics & Key Ratios

Revenue
$1.2B
Net Income
$302.1M
EPS (Diluted)
$2.94
Free Cash Flow
$305.6M
Total Assets
$26.6B
Cash Position
$1.3B

💡 AI Analyst Insight

The 25.9% free cash flow margin provides substantial flexibility for dividends, buybacks, and strategic investments. The current ratio below 1.0x warrants monitoring of short-term liquidity.

FIBK Profit Margin, ROE & Profitability Analysis

Gross Margin N/A
Operating Margin 33.3%
Net Margin 25.6%
ROE 8.8%
ROA 1.1%
FCF Margin 25.9%

FIBK vs Finance Sector: How First Interstate Bancsystem Inc. Compares

How First Interstate Bancsystem Inc. compares to Finance sector averages

Net Margin
FIBK 25.6%
vs
Sector Avg 25.0%
FIBK Sector
ROE
FIBK 8.8%
vs
Sector Avg 12.0%
FIBK Sector
Current Ratio
FIBK 0.0x
vs
Sector Avg 1.2x
FIBK Sector
Debt/Equity
FIBK 0.0x
vs
Sector Avg 2.0x
FIBK Sector

Sector benchmarks are approximate industry averages. Actual sector performance may vary.

Is First Interstate Bancsystem Inc. Stock Overvalued? FIBK Valuation Analysis 2026

Based on fundamental analysis, First Interstate Bancsystem Inc. has mixed fundamental signals relative to the Finance sector in 2026.

Return on Equity
8.8%
Sector avg: 12%
Net Profit Margin
25.6%
Sector avg: 25%
Revenue Growth
N/A
Year-over-year
Debt/Equity
0.04x
Sector avg: 2x

Note: This is a fundamental analysis based on SEC filings. For P/E ratio, price targets, and market-based valuation, consult financial data providers. This is not investment advice.

First Interstate Bancsystem Inc. Balance Sheet: FIBK Debt, Cash & Liquidity

Current Ratio
N/A
Quick Ratio
N/A
Debt/Equity
0.04x
Debt/Assets
87.1%
Interest Coverage
1.06x
Long-term Debt
$146.3M

FIBK Revenue & Earnings Growth: 5-Year Financial Trend

FIBK 5-year financial data:
Revenue
Net Income
EPS (right axis)

5-Year Trend Summary: First Interstate Bancsystem Inc.'s revenue has remained relatively flat over the 5-year period, with a 0% decline. The most recent EPS of $2.48 reflects profitable operations.

FIBK Revenue Growth, EPS Growth & YoY Performance

Revenue Growth
N/A
Year-over-year
Net Income Growth
N/A
Year-over-year
EPS Growth
N/A
Earnings per share
FCF Margin
25.9%
Free cash flow / Revenue

First Interstate Bancsystem Inc. Dividends, Buybacks & Capital Allocation

Operating Cash Flow
$305.6M
Cash generated from operations
Stock Buybacks
$121.9M
Shares repurchased (TTM)
Dividends Paid
$194.3M
Returned to shareholders

FIBK SEC Filings: Latest 10-K & 10-Q Analysis

Access official SEC EDGAR filings for First Interstate Bancsystem Inc. (CIK: 0000860413)

📋 Recent SEC Filings

Date Form Document Action
Mar 27, 2026 4 xslF345X06/ownership.xml View →
Mar 18, 2026 4 xslF345X06/wk-form4_1773871719.xml View →
Mar 18, 2026 4 xslF345X06/wk-form4_1773871633.xml View →
Mar 18, 2026 4 xslF345X06/wk-form4_1773871598.xml View →
Mar 18, 2026 4 xslF345X06/wk-form4_1773871539.xml View →

Frequently Asked Questions about FIBK

What is the AI rating for FIBK?

First Interstate Bancsystem Inc. (FIBK) has a Combined AI Rating of BUY from Claude (BUY) and ChatGPT (BUY) with 73% combined confidence, based on fundamental analysis of SEC EDGAR filings.

What are FIBK's key strengths?

Claude: Exceptional revenue growth of 42.7% YoY with net income growth of 33.7% YoY indicates strong operational momentum. Strong profitability with 25.6% net margin and 33.3% operating margin demonstrates effective cost management. ChatGPT: Strong year-over-year growth in revenue, net income, and diluted EPS. Solid profitability with 33.3% operating margin and 25.6% net margin.

What are the risks of investing in FIBK?

Claude: Interest coverage ratio of 1.1x is tight and vulnerable to interest rate increases or credit deterioration. ROE of 8.8% and ROA of 1.1% are below-average for banking sector, indicating limited capital efficiency. ChatGPT: ROE of 8.8% is acceptable but not especially strong relative to the earnings growth profile. Interest coverage of 1.1x suggests limited cushion if funding costs or interest expense rise.

What is FIBK's revenue and growth?

First Interstate Bancsystem Inc. reported revenue of $1.2B.

Does FIBK pay dividends?

First Interstate Bancsystem Inc. pays dividends, with $194.3M distributed to shareholders in the trailing twelve months.

Where can I find FIBK SEC filings?

Official SEC filings for First Interstate Bancsystem Inc. (CIK: 0000860413) including 10-K, 10-Q, and 8-K reports are available on SEC EDGAR.

What is FIBK's EPS?

First Interstate Bancsystem Inc. has a diluted EPS of $2.94.

How is the AI analysis conducted?

Two independent AI systems — Claude (Anthropic) and ChatGPT (OpenAI) — analyze SEC EDGAR filings including 10-K annual reports and 10-Q quarterly reports. Each AI evaluates financial health, profitability ratios, balance sheet strength, and growth metrics. The combined rating reflects both perspectives for balanced insights.

Is FIBK a good stock to buy right now?

Based on our AI fundamental analysis in April 2026, First Interstate Bancsystem Inc. has a BUY rating with 73% confidence. The AI analysis suggests favorable fundamentals based on SEC filings. This is not investment advice.

Is FIBK stock overvalued or undervalued?

Valuation metrics for FIBK: ROE of 8.8% (sector avg: 12%), net margin of 25.6% (sector avg: 25%). Compare these metrics with sector averages to assess valuation.

Should I buy FIBK stock in 2026?

Our dual AI analysis gives First Interstate Bancsystem Inc. a combined BUY rating for 2026. Revenue is data pending, with profitability above sector average. Always conduct your own research.

What is FIBK's free cash flow?

First Interstate Bancsystem Inc.'s operating cash flow is $305.6M, with capital expenditures of N/A. FCF margin is 25.9%.

How does FIBK compare to other Finance stocks?

Vs Finance sector averages: Net margin 25.6% (avg: 25%), ROE 8.8% (avg: 12%), current ratio N/A (avg: 1.2).

Top Rated Stocks
NSSC 92% MLI 92% MELI 92% MDXG 92% MANH 92% INVA 92% GGG 92% GCT 92% FTNT 92% FSLR 92%
Sector: All Finance Stocks →
Browse: Buy Stocks
Disclaimer: This analysis is generated by Claude AI (Anthropic) and ChatGPT (OpenAI) based on publicly available SEC EDGAR filings. It does not include stock price data and should not be considered financial advice. All fundamental data is sourced from SEC public domain filings. Always conduct your own research and consult with a qualified financial advisor before making investment decisions.
Data Source: SEC EDGAR | Analysis Date: Mar 24, 2026 | Data as of: 2025-12-31 | Powered by Claude AI