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Side-by-side financial comparison of FIRST INTERSTATE BANCSYSTEM INC (FIBK) and Portillo's Inc. (PTLO). Click either name above to swap in a different company.

FIRST INTERSTATE BANCSYSTEM INC is the larger business by last-quarter revenue ($313.0M vs $185.7M, roughly 1.7× Portillo's Inc.). FIRST INTERSTATE BANCSYSTEM INC runs the higher net margin — 34.8% vs 3.4%, a 31.4% gap on every dollar of revenue. On growth, FIRST INTERSTATE BANCSYSTEM INC posted the faster year-over-year revenue change (19.8% vs 0.6%). Over the past eight quarters, FIRST INTERSTATE BANCSYSTEM INC's revenue compounded faster (13.7% CAGR vs 5.8%).

First Interstate BancSystem, Inc. is a financial holding company headquartered in Billings, Montana. It is the parent company of First Interstate Bank, a community bank with locations throughout 14 states within the Western and Midwestern United States. It is the largest bank based in Montana, as measured by total assets.

Portillo's Restaurant Group, Inc. is an American fast casual restaurant chain based in the Chicago area that specializes in serving Chicago-style food such as hot dogs, Maxwell Street Polish, and Italian beef. The company was founded by Dick Portillo on April 9, 1963, in Villa Park, Illinois, under the name "The Dog House".

FIBK vs PTLO — Head-to-Head

Bigger by revenue
FIBK
FIBK
1.7× larger
FIBK
$313.0M
$185.7M
PTLO
Growing faster (revenue YoY)
FIBK
FIBK
+19.2% gap
FIBK
19.8%
0.6%
PTLO
Higher net margin
FIBK
FIBK
31.4% more per $
FIBK
34.8%
3.4%
PTLO
Faster 2-yr revenue CAGR
FIBK
FIBK
Annualised
FIBK
13.7%
5.8%
PTLO

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FIBK
FIBK
PTLO
PTLO
Revenue
$313.0M
$185.7M
Net Profit
$108.8M
$6.3M
Gross Margin
Operating Margin
44.5%
5.6%
Net Margin
34.8%
3.4%
Revenue YoY
19.8%
0.6%
Net Profit YoY
108.8%
-49.5%
EPS (diluted)
$1.07
$0.08

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
FIBK
FIBK
PTLO
PTLO
Q4 25
$313.0M
$185.7M
Q3 25
$250.5M
$181.4M
Q2 25
$248.3M
$188.5M
Q1 25
$247.0M
$176.4M
Q4 24
$261.3M
$184.6M
Q3 24
$251.9M
$178.3M
Q2 24
$244.3M
$181.9M
Q1 24
$242.2M
$165.8M
Net Profit
FIBK
FIBK
PTLO
PTLO
Q4 25
$108.8M
$6.3M
Q3 25
$71.4M
$1.2M
Q2 25
$71.7M
$8.7M
Q1 25
$50.2M
$3.3M
Q4 24
$52.1M
$12.4M
Q3 24
$55.5M
$7.2M
Q2 24
$60.0M
$6.5M
Q1 24
$58.4M
$4.6M
Operating Margin
FIBK
FIBK
PTLO
PTLO
Q4 25
44.5%
5.6%
Q3 25
37.0%
3.0%
Q2 25
37.7%
9.3%
Q1 25
26.9%
5.9%
Q4 24
25.5%
7.5%
Q3 24
28.9%
9.0%
Q2 24
32.1%
10.0%
Q1 24
31.7%
6.1%
Net Margin
FIBK
FIBK
PTLO
PTLO
Q4 25
34.8%
3.4%
Q3 25
28.5%
0.7%
Q2 25
28.9%
4.6%
Q1 25
20.3%
1.9%
Q4 24
19.9%
6.7%
Q3 24
22.0%
4.1%
Q2 24
24.6%
3.6%
Q1 24
24.1%
2.8%
EPS (diluted)
FIBK
FIBK
PTLO
PTLO
Q4 25
$1.07
$0.08
Q3 25
$0.69
$0.02
Q2 25
$0.69
$0.12
Q1 25
$0.49
$0.05
Q4 24
$0.50
$0.17
Q3 24
$0.54
$0.11
Q2 24
$0.58
$0.10
Q1 24
$0.57
$0.08

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
FIBK
FIBK
PTLO
PTLO
Cash + ST InvestmentsLiquidity on hand
Total DebtLower is stronger
$146.3M
$334.2M
Stockholders' EquityBook value
$3.4B
$467.8M
Total Assets
$26.6B
$1.6B
Debt / EquityLower = less leverage
0.04×
0.71×

8-quarter trend — quarters aligned by calendar period.

Total Debt
FIBK
FIBK
PTLO
PTLO
Q4 25
$146.3M
$334.2M
Q3 25
$146.2M
$322.6M
Q2 25
$252.0M
$317.0M
Q1 25
$319.8M
Q4 24
$132.2M
$311.7M
Q3 24
$137.3M
$302.2M
Q2 24
$383.4M
$305.1M
Q1 24
$370.8M
$321.7M
Stockholders' Equity
FIBK
FIBK
PTLO
PTLO
Q4 25
$3.4B
$467.8M
Q3 25
$3.4B
$459.4M
Q2 25
$3.4B
$458.9M
Q1 25
$3.4B
$406.9M
Q4 24
$3.3B
$401.1M
Q3 24
$3.4B
$382.4M
Q2 24
$3.2B
$370.2M
Q1 24
$3.2B
$360.5M
Total Assets
FIBK
FIBK
PTLO
PTLO
Q4 25
$26.6B
$1.6B
Q3 25
$27.3B
$1.6B
Q2 25
$27.6B
$1.6B
Q1 25
$28.3B
$1.5B
Q4 24
$29.1B
$1.5B
Q3 24
$29.6B
$1.5B
Q2 24
$30.3B
$1.4B
Q1 24
$30.1B
$1.4B
Debt / Equity
FIBK
FIBK
PTLO
PTLO
Q4 25
0.04×
0.71×
Q3 25
0.04×
0.70×
Q2 25
0.07×
0.69×
Q1 25
0.79×
Q4 24
0.04×
0.78×
Q3 24
0.04×
0.79×
Q2 24
0.12×
0.82×
Q1 24
0.12×
0.89×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
FIBK
FIBK
PTLO
PTLO
Operating Cash FlowLast quarter
$305.6M
$23.2M
Free Cash FlowOCF − Capex
$-9.2M
FCF MarginFCF / Revenue
-4.9%
Capex IntensityCapex / Revenue
17.4%
Cash ConversionOCF / Net Profit
2.81×
3.69×
TTM Free Cash FlowTrailing 4 quarters
$-18.5M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FIBK
FIBK
PTLO
PTLO
Q4 25
$305.6M
$23.2M
Q3 25
$91.7M
$20.0M
Q2 25
$68.1M
$19.2M
Q1 25
$78.5M
$9.4M
Q4 24
$355.0M
$26.1M
Q3 24
$89.9M
$30.3M
Q2 24
$82.3M
$32.6M
Q1 24
$87.6M
$9.1M
Free Cash Flow
FIBK
FIBK
PTLO
PTLO
Q4 25
$-9.2M
Q3 25
$-5.0M
Q2 25
$5.2M
Q1 25
$-9.6M
Q4 24
$-5.6M
Q3 24
$7.7M
Q2 24
$15.6M
Q1 24
$-7.9M
FCF Margin
FIBK
FIBK
PTLO
PTLO
Q4 25
-4.9%
Q3 25
-2.7%
Q2 25
2.8%
Q1 25
-5.4%
Q4 24
-3.0%
Q3 24
4.3%
Q2 24
8.6%
Q1 24
-4.7%
Capex Intensity
FIBK
FIBK
PTLO
PTLO
Q4 25
17.4%
Q3 25
13.8%
Q2 25
7.5%
Q1 25
10.8%
Q4 24
17.2%
Q3 24
12.7%
Q2 24
9.3%
Q1 24
10.2%
Cash Conversion
FIBK
FIBK
PTLO
PTLO
Q4 25
2.81×
3.69×
Q3 25
1.28×
16.51×
Q2 25
0.95×
2.21×
Q1 25
1.56×
2.85×
Q4 24
6.81×
2.10×
Q3 24
1.62×
4.20×
Q2 24
1.37×
5.03×
Q1 24
1.50×
1.99×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

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