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Side-by-side financial comparison of MDU RESOURCES GROUP INC (MDU) and ADVANCED DRAINAGE SYSTEMS, INC. (WMS). Click either name above to swap in a different company.

ADVANCED DRAINAGE SYSTEMS, INC. is the larger business by last-quarter revenue ($693.4M vs $522.6M, roughly 1.3× MDU RESOURCES GROUP INC). MDU RESOURCES GROUP INC runs the higher net margin — 14.6% vs 13.5%, a 1.1% gap on every dollar of revenue. On growth, ADVANCED DRAINAGE SYSTEMS, INC. posted the faster year-over-year revenue change (0.4% vs -1.6%). ADVANCED DRAINAGE SYSTEMS, INC. produced more free cash flow last quarter ($183.6M vs $-336.0M). Over the past eight quarters, ADVANCED DRAINAGE SYSTEMS, INC.'s revenue compounded faster (3.0% 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.

Advanced Drainage Systems, Inc. (ADS) is an American company that designs, manufactures and markets polypropylene and polyethylene pipes, plastic leach field chambers and systems, septic tanks and accessories, storm retention/detention and septic chambers, polyvinyl chloride drainage structures, fittings, and water filters and water separators. It is the largest maker of high-density polyethylene pipe in the United States. It is headquartered in Hilliard, Ohio. In 2020, 93% of the company's s...

MDU vs WMS — Head-to-Head

Bigger by revenue
WMS
WMS
1.3× larger
WMS
$693.4M
$522.6M
MDU
Growing faster (revenue YoY)
WMS
WMS
+2.0% gap
WMS
0.4%
-1.6%
MDU
Higher net margin
MDU
MDU
1.1% more per $
MDU
14.6%
13.5%
WMS
More free cash flow
WMS
WMS
$519.6M more FCF
WMS
$183.6M
$-336.0M
MDU
Faster 2-yr revenue CAGR
WMS
WMS
Annualised
WMS
3.0%
-5.7%
MDU

Income Statement — Q4 FY2025 vs Q3 FY2026

Metric
MDU
MDU
WMS
WMS
Revenue
$522.6M
$693.4M
Net Profit
$76.3M
$93.6M
Gross Margin
37.4%
Operating Margin
20.5%
19.7%
Net Margin
14.6%
13.5%
Revenue YoY
-1.6%
0.4%
Net Profit YoY
38.4%
15.3%
EPS (diluted)
$0.37
$1.19

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
WMS
WMS
Q4 25
$522.6M
$693.4M
Q3 25
$313.6M
$850.4M
Q2 25
$348.7M
$829.9M
Q1 25
$678.0M
$615.8M
Q4 24
$531.0M
$690.5M
Q3 24
$290.7M
$782.6M
Q2 24
$343.1M
$815.3M
Q1 24
$588.2M
$653.8M
Net Profit
MDU
MDU
WMS
WMS
Q4 25
$76.3M
$93.6M
Q3 25
$18.3M
$156.0M
Q2 25
$13.8M
$143.9M
Q1 25
$82.0M
$77.2M
Q4 24
$55.2M
$81.2M
Q3 24
$64.6M
$130.4M
Q2 24
$60.4M
$161.4M
Q1 24
$100.9M
$94.8M
Gross Margin
MDU
MDU
WMS
WMS
Q4 25
37.4%
Q3 25
40.0%
Q2 25
39.8%
Q1 25
36.7%
Q4 24
35.0%
Q3 24
37.6%
Q2 24
40.8%
Q1 24
38.5%
Operating Margin
MDU
MDU
WMS
WMS
Q4 25
20.5%
19.7%
Q3 25
12.7%
26.3%
Q2 25
8.7%
24.8%
Q1 25
16.6%
19.0%
Q4 24
17.8%
18.4%
Q3 24
12.0%
23.9%
Q2 24
11.5%
27.7%
Q1 24
16.4%
20.7%
Net Margin
MDU
MDU
WMS
WMS
Q4 25
14.6%
13.5%
Q3 25
5.8%
18.3%
Q2 25
4.0%
17.3%
Q1 25
12.1%
12.5%
Q4 24
10.4%
11.8%
Q3 24
22.2%
16.7%
Q2 24
17.6%
19.8%
Q1 24
17.2%
14.5%
EPS (diluted)
MDU
MDU
WMS
WMS
Q4 25
$0.37
$1.19
Q3 25
$0.09
$1.99
Q2 25
$0.07
$1.84
Q1 25
$0.40
$0.99
Q4 24
$0.26
$1.04
Q3 24
$0.32
$1.67
Q2 24
$0.30
$2.06
Q1 24
$0.49
$1.22

Balance Sheet & Financial Strength

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

Metric
MDU
MDU
WMS
WMS
Cash + ST InvestmentsLiquidity on hand
$28.2M
$1.0B
Total DebtLower is stronger
$2.7B
Stockholders' EquityBook value
$2.8B
$1.9B
Total Assets
$7.6B
$4.1B
Debt / EquityLower = less leverage
0.97×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
MDU
MDU
WMS
WMS
Q4 25
$28.2M
$1.0B
Q3 25
$75.9M
$812.9M
Q2 25
$58.8M
$638.3M
Q1 25
$59.5M
$463.3M
Q4 24
$66.9M
$488.9M
Q3 24
$88.3M
$613.0M
Q2 24
$78.8M
$541.6M
Q1 24
$72.7M
$490.2M
Total Debt
MDU
MDU
WMS
WMS
Q4 25
$2.7B
Q3 25
$2.4B
Q2 25
$2.2B
Q1 25
$2.2B
$1.3B
Q4 24
$2.3B
Q3 24
$2.3B
Q2 24
$2.3B
Q1 24
$2.3B
$1.3B
Stockholders' Equity
MDU
MDU
WMS
WMS
Q4 25
$2.8B
$1.9B
Q3 25
$2.7B
$1.8B
Q2 25
$2.7B
$1.7B
Q1 25
$2.7B
$1.5B
Q4 24
$2.7B
$1.5B
Q3 24
$3.1B
$1.4B
Q2 24
$3.0B
$1.3B
Q1 24
$3.0B
$1.2B
Total Assets
MDU
MDU
WMS
WMS
Q4 25
$7.6B
$4.1B
Q3 25
$7.2B
$4.1B
Q2 25
$6.9B
$3.9B
Q1 25
$7.0B
$3.7B
Q4 24
$7.0B
$3.6B
Q3 24
$8.2B
$3.5B
Q2 24
$8.0B
$3.4B
Q1 24
$7.8B
$3.3B
Debt / Equity
MDU
MDU
WMS
WMS
Q4 25
0.97×
Q3 25
0.86×
Q2 25
0.80×
Q1 25
0.80×
0.83×
Q4 24
0.85×
Q3 24
0.76×
Q2 24
0.75×
Q1 24
0.76×
1.11×

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
WMS
WMS
Operating Cash FlowLast quarter
$80.6M
$269.3M
Free Cash FlowOCF − Capex
$-336.0M
$183.6M
FCF MarginFCF / Revenue
-64.3%
26.5%
Capex IntensityCapex / Revenue
79.7%
12.4%
Cash ConversionOCF / Net Profit
1.06×
2.88×
TTM Free Cash FlowTrailing 4 quarters
$-297.0M
$577.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
MDU
MDU
WMS
WMS
Q4 25
$80.6M
$269.3M
Q3 25
$57.9M
$234.9M
Q2 25
$117.4M
$275.0M
Q1 25
$217.5M
$41.2M
Q4 24
$60.5M
$189.9M
Q3 24
$140.2M
$166.9M
Q2 24
$136.5M
$183.4M
Q1 24
$165.1M
$17.7M
Free Cash Flow
MDU
MDU
WMS
WMS
Q4 25
$-336.0M
$183.6M
Q3 25
$-121.9M
$176.4M
Q2 25
$36.5M
$222.4M
Q1 25
$124.4M
$-5.3M
Q4 24
$-95.8M
$135.7M
Q3 24
$673.0K
$112.4M
Q2 24
$26.5M
$125.7M
Q1 24
$48.1M
$-29.8M
FCF Margin
MDU
MDU
WMS
WMS
Q4 25
-64.3%
26.5%
Q3 25
-38.9%
20.7%
Q2 25
10.5%
26.8%
Q1 25
18.4%
-0.9%
Q4 24
-18.0%
19.7%
Q3 24
0.2%
14.4%
Q2 24
7.7%
15.4%
Q1 24
8.2%
-4.6%
Capex Intensity
MDU
MDU
WMS
WMS
Q4 25
79.7%
12.4%
Q3 25
57.3%
6.9%
Q2 25
23.2%
6.3%
Q1 25
13.7%
7.6%
Q4 24
29.4%
7.9%
Q3 24
48.0%
7.0%
Q2 24
32.0%
7.1%
Q1 24
19.9%
7.3%
Cash Conversion
MDU
MDU
WMS
WMS
Q4 25
1.06×
2.88×
Q3 25
3.16×
1.51×
Q2 25
8.52×
1.91×
Q1 25
2.65×
0.53×
Q4 24
1.10×
2.34×
Q3 24
2.17×
1.28×
Q2 24
2.26×
1.14×
Q1 24
1.64×
0.19×

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%

WMS
WMS

Reportable Segment Aggregation Before Other Operating Segment$557.3M80%
Other$85.5M12%
Pipe$35.5M5%
Allied Products And Other$15.0M2%

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