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Side-by-side financial comparison of MDU RESOURCES GROUP INC (MDU) and Frontier Group Holdings, Inc. (ULCC). Click either name above to swap in a different company.

Frontier Group Holdings, Inc. is the larger business by last-quarter revenue ($997.0M vs $522.6M, roughly 1.9× MDU RESOURCES GROUP INC). MDU RESOURCES GROUP INC runs the higher net margin — 14.6% vs 5.3%, a 9.3% gap on every dollar of revenue. On growth, Frontier Group Holdings, Inc. posted the faster year-over-year revenue change (-0.5% vs -1.6%). Frontier Group Holdings, Inc. produced more free cash flow last quarter ($-113.0M vs $-336.0M). Over the past eight quarters, Frontier Group Holdings, Inc.'s revenue compounded faster (7.4% CAGR vs -5.7%).

MDU Resources Group, Inc. is a U.S.-based corporation supplying products and services to regulated energy delivery and utilities related construction materials and services businesses. It is headquartered in Bismarck, North Dakota, and operates in 48 states.

Frontier Communications Parent, Inc. is an American telecommunications company with a fiber-optic network and cloud-based services owned by Verizon. It was previously known as Citizens Utilities Co., Citizens Communications Co., and Frontier Communications Corp.

MDU vs ULCC — Head-to-Head

Bigger by revenue
ULCC
ULCC
1.9× larger
ULCC
$997.0M
$522.6M
MDU
Growing faster (revenue YoY)
ULCC
ULCC
+1.1% gap
ULCC
-0.5%
-1.6%
MDU
Higher net margin
MDU
MDU
9.3% more per $
MDU
14.6%
5.3%
ULCC
More free cash flow
ULCC
ULCC
$223.0M more FCF
ULCC
$-113.0M
$-336.0M
MDU
Faster 2-yr revenue CAGR
ULCC
ULCC
Annualised
ULCC
7.4%
-5.7%
MDU

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
MDU
MDU
ULCC
ULCC
Revenue
$522.6M
$997.0M
Net Profit
$76.3M
$53.0M
Gross Margin
Operating Margin
20.5%
4.9%
Net Margin
14.6%
5.3%
Revenue YoY
-1.6%
-0.5%
Net Profit YoY
38.4%
-1.9%
EPS (diluted)
$0.37
$0.24

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
MDU
MDU
ULCC
ULCC
Q4 25
$522.6M
$997.0M
Q3 25
$313.6M
$886.0M
Q2 25
$348.7M
$929.0M
Q1 25
$678.0M
$912.0M
Q4 24
$531.0M
$1.0B
Q3 24
$290.7M
$935.0M
Q2 24
$343.1M
$973.0M
Q1 24
$588.2M
$865.0M
Net Profit
MDU
MDU
ULCC
ULCC
Q4 25
$76.3M
$53.0M
Q3 25
$18.3M
$-77.0M
Q2 25
$13.8M
$-70.0M
Q1 25
$82.0M
$-43.0M
Q4 24
$55.2M
$54.0M
Q3 24
$64.6M
$26.0M
Q2 24
$60.4M
$31.0M
Q1 24
$100.9M
$-26.0M
Operating Margin
MDU
MDU
ULCC
ULCC
Q4 25
20.5%
4.9%
Q3 25
12.7%
-8.7%
Q2 25
8.7%
-8.1%
Q1 25
16.6%
-5.0%
Q4 24
17.8%
4.5%
Q3 24
12.0%
2.0%
Q2 24
11.5%
2.6%
Q1 24
16.4%
-3.6%
Net Margin
MDU
MDU
ULCC
ULCC
Q4 25
14.6%
5.3%
Q3 25
5.8%
-8.7%
Q2 25
4.0%
-7.5%
Q1 25
12.1%
-4.7%
Q4 24
10.4%
5.4%
Q3 24
22.2%
2.8%
Q2 24
17.6%
3.2%
Q1 24
17.2%
-3.0%
EPS (diluted)
MDU
MDU
ULCC
ULCC
Q4 25
$0.37
$0.24
Q3 25
$0.09
$-0.34
Q2 25
$0.07
$-0.31
Q1 25
$0.40
$-0.19
Q4 24
$0.26
$0.24
Q3 24
$0.32
$0.11
Q2 24
$0.30
$0.14
Q1 24
$0.49
$-0.12

Balance Sheet & Financial Strength

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

Metric
MDU
MDU
ULCC
ULCC
Cash + ST InvestmentsLiquidity on hand
$28.2M
$671.0M
Total DebtLower is stronger
$2.7B
$620.0M
Stockholders' EquityBook value
$2.8B
$491.0M
Total Assets
$7.6B
$7.2B
Debt / EquityLower = less leverage
0.97×
1.26×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MDU
MDU
ULCC
ULCC
Q4 25
$28.2M
$671.0M
Q3 25
$75.9M
$566.0M
Q2 25
$58.8M
$563.0M
Q1 25
$59.5M
$686.0M
Q4 24
$66.9M
$740.0M
Q3 24
$88.3M
$576.0M
Q2 24
$78.8M
$658.0M
Q1 24
$72.7M
$622.0M
Total Debt
MDU
MDU
ULCC
ULCC
Q4 25
$2.7B
$620.0M
Q3 25
$2.4B
$673.0M
Q2 25
$2.2B
$565.0M
Q1 25
$2.2B
$512.0M
Q4 24
$2.3B
$507.0M
Q3 24
$2.3B
$474.0M
Q2 24
$2.3B
$455.0M
Q1 24
$2.3B
$469.0M
Stockholders' Equity
MDU
MDU
ULCC
ULCC
Q4 25
$2.8B
$491.0M
Q3 25
$2.7B
$434.0M
Q2 25
$2.7B
$506.0M
Q1 25
$2.7B
$570.0M
Q4 24
$2.7B
$604.0M
Q3 24
$3.1B
$549.0M
Q2 24
$3.0B
$520.0M
Q1 24
$3.0B
$484.0M
Total Assets
MDU
MDU
ULCC
ULCC
Q4 25
$7.6B
$7.2B
Q3 25
$7.2B
$6.7B
Q2 25
$6.9B
$6.5B
Q1 25
$7.0B
$6.5B
Q4 24
$7.0B
$6.2B
Q3 24
$8.2B
$5.8B
Q2 24
$8.0B
$5.7B
Q1 24
$7.8B
$5.2B
Debt / Equity
MDU
MDU
ULCC
ULCC
Q4 25
0.97×
1.26×
Q3 25
0.86×
1.55×
Q2 25
0.80×
1.12×
Q1 25
0.80×
0.90×
Q4 24
0.85×
0.84×
Q3 24
0.76×
0.86×
Q2 24
0.75×
0.88×
Q1 24
0.76×
0.97×

Cash Flow & Capital Efficiency

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

Metric
MDU
MDU
ULCC
ULCC
Operating Cash FlowLast quarter
$80.6M
$-91.0M
Free Cash FlowOCF − Capex
$-336.0M
$-113.0M
FCF MarginFCF / Revenue
-64.3%
-11.3%
Capex IntensityCapex / Revenue
79.7%
2.2%
Cash ConversionOCF / Net Profit
1.06×
-1.72×
TTM Free Cash FlowTrailing 4 quarters
$-297.0M
$-600.0M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MDU
MDU
ULCC
ULCC
Q4 25
$80.6M
$-91.0M
Q3 25
$57.9M
$-215.0M
Q2 25
$117.4M
$-133.0M
Q1 25
$217.5M
$-86.0M
Q4 24
$60.5M
$87.0M
Q3 24
$140.2M
$-156.0M
Q2 24
$136.5M
$9.0M
Q1 24
$165.1M
$-22.0M
Free Cash Flow
MDU
MDU
ULCC
ULCC
Q4 25
$-336.0M
$-113.0M
Q3 25
$-121.9M
$-217.0M
Q2 25
$36.5M
$-166.0M
Q1 25
$124.4M
$-104.0M
Q4 24
$-95.8M
$73.0M
Q3 24
$673.0K
$-170.0M
Q2 24
$26.5M
$-22.0M
Q1 24
$48.1M
$-39.0M
FCF Margin
MDU
MDU
ULCC
ULCC
Q4 25
-64.3%
-11.3%
Q3 25
-38.9%
-24.5%
Q2 25
10.5%
-17.9%
Q1 25
18.4%
-11.4%
Q4 24
-18.0%
7.3%
Q3 24
0.2%
-18.2%
Q2 24
7.7%
-2.3%
Q1 24
8.2%
-4.5%
Capex Intensity
MDU
MDU
ULCC
ULCC
Q4 25
79.7%
2.2%
Q3 25
57.3%
0.2%
Q2 25
23.2%
3.6%
Q1 25
13.7%
2.0%
Q4 24
29.4%
1.4%
Q3 24
48.0%
1.5%
Q2 24
32.0%
3.2%
Q1 24
19.9%
2.0%
Cash Conversion
MDU
MDU
ULCC
ULCC
Q4 25
1.06×
-1.72×
Q3 25
3.16×
Q2 25
8.52×
Q1 25
2.65×
Q4 24
1.10×
1.61×
Q3 24
2.17×
-6.00×
Q2 24
2.26×
0.29×
Q1 24
1.64×

Financial Flow Comparison

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

Revenue Breakdown by Segment

MDU
MDU

Natural Gas Distribution$382.8M73%
Commercial Utility Sales$42.7M8%
Residential Utility Sales$33.7M6%
Pipelineand Midstream$31.1M6%
Natural Gas Transportation$17.2M3%
Industrial Utility Sales$10.1M2%
Natural Gas Storage$6.4M1%
Other Utility Sales$1.9M0%

ULCC
ULCC

Aircraft Fare$453.0M45%
Passenger Service Fees$227.0M23%
Passenger Baggage$177.0M18%
Passenger Seat Selection$69.0M7%
Other Passenger Revenue$36.0M4%
Other$35.0M4%

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