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Side-by-side financial comparison of STAR GROUP, L.P. (SGU) 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 $539.3M, roughly 1.3× STAR GROUP, L.P.). ADVANCED DRAINAGE SYSTEMS, INC. runs the higher net margin — 13.5% vs 6.6%, a 6.9% gap on every dollar of revenue. On growth, STAR GROUP, L.P. posted the faster year-over-year revenue change (10.5% vs 0.4%). ADVANCED DRAINAGE SYSTEMS, INC. produced more free cash flow last quarter ($183.6M vs $-59.7M).

Lone Star Funds, legal name of main entity Lone Star Global Acquisitions, Ltd. is a global private equity firm that invests in corporate equity, real estate, credit, and other financial assets. The founder of Lone Star established its first fund in 1995 and Lone Star has to date organized 25 private equity funds with total capital commitments since inception of over $95 billion. Lone Star's investors include corporate and public pension funds, sovereign wealth funds, university endowments, fo...

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...

SGU vs WMS — Head-to-Head

Bigger by revenue
WMS
WMS
1.3× larger
WMS
$693.4M
$539.3M
SGU
Growing faster (revenue YoY)
SGU
SGU
+10.1% gap
SGU
10.5%
0.4%
WMS
Higher net margin
WMS
WMS
6.9% more per $
WMS
13.5%
6.6%
SGU
More free cash flow
WMS
WMS
$243.3M more FCF
WMS
$183.6M
$-59.7M
SGU

Income Statement — Q1 FY2026 vs Q3 FY2026

Metric
SGU
SGU
WMS
WMS
Revenue
$539.3M
$693.4M
Net Profit
$35.8M
$93.6M
Gross Margin
37.4%
Operating Margin
10.1%
19.7%
Net Margin
6.6%
13.5%
Revenue YoY
10.5%
0.4%
Net Profit YoY
8.8%
15.3%
EPS (diluted)
$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
SGU
SGU
WMS
WMS
Q4 25
$539.3M
$693.4M
Q3 25
$850.4M
Q2 25
$829.9M
Q1 25
$615.8M
Q4 24
$690.5M
Q3 24
$782.6M
Q2 24
$815.3M
Q1 24
$653.8M
Net Profit
SGU
SGU
WMS
WMS
Q4 25
$35.8M
$93.6M
Q3 25
$156.0M
Q2 25
$143.9M
Q1 25
$77.2M
Q4 24
$81.2M
Q3 24
$130.4M
Q2 24
$161.4M
Q1 24
$94.8M
Gross Margin
SGU
SGU
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
SGU
SGU
WMS
WMS
Q4 25
10.1%
19.7%
Q3 25
26.3%
Q2 25
24.8%
Q1 25
19.0%
Q4 24
18.4%
Q3 24
23.9%
Q2 24
27.7%
Q1 24
20.7%
Net Margin
SGU
SGU
WMS
WMS
Q4 25
6.6%
13.5%
Q3 25
18.3%
Q2 25
17.3%
Q1 25
12.5%
Q4 24
11.8%
Q3 24
16.7%
Q2 24
19.8%
Q1 24
14.5%
EPS (diluted)
SGU
SGU
WMS
WMS
Q4 25
$1.19
Q3 25
$1.99
Q2 25
$1.84
Q1 25
$0.99
Q4 24
$1.04
Q3 24
$1.67
Q2 24
$2.06
Q1 24
$1.22

Balance Sheet & Financial Strength

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

Metric
SGU
SGU
WMS
WMS
Cash + ST InvestmentsLiquidity on hand
$19.9M
$1.0B
Total DebtLower is stronger
$254.8M
Stockholders' EquityBook value
$1.9B
Total Assets
$1.1B
$4.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SGU
SGU
WMS
WMS
Q4 25
$19.9M
$1.0B
Q3 25
$812.9M
Q2 25
$638.3M
Q1 25
$463.3M
Q4 24
$488.9M
Q3 24
$613.0M
Q2 24
$541.6M
Q1 24
$490.2M
Total Debt
SGU
SGU
WMS
WMS
Q4 25
$254.8M
Q3 25
Q2 25
Q1 25
$1.3B
Q4 24
Q3 24
Q2 24
Q1 24
$1.3B
Stockholders' Equity
SGU
SGU
WMS
WMS
Q4 25
$1.9B
Q3 25
$1.8B
Q2 25
$1.7B
Q1 25
$1.5B
Q4 24
$1.5B
Q3 24
$1.4B
Q2 24
$1.3B
Q1 24
$1.2B
Total Assets
SGU
SGU
WMS
WMS
Q4 25
$1.1B
$4.1B
Q3 25
$4.1B
Q2 25
$3.9B
Q1 25
$3.7B
Q4 24
$3.6B
Q3 24
$3.5B
Q2 24
$3.4B
Q1 24
$3.3B
Debt / Equity
SGU
SGU
WMS
WMS
Q4 25
Q3 25
Q2 25
Q1 25
0.83×
Q4 24
Q3 24
Q2 24
Q1 24
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
SGU
SGU
WMS
WMS
Operating Cash FlowLast quarter
$-55.2M
$269.3M
Free Cash FlowOCF − Capex
$-59.7M
$183.6M
FCF MarginFCF / Revenue
-11.1%
26.5%
Capex IntensityCapex / Revenue
0.8%
12.4%
Cash ConversionOCF / Net Profit
-1.54×
2.88×
TTM Free Cash FlowTrailing 4 quarters
$577.1M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SGU
SGU
WMS
WMS
Q4 25
$-55.2M
$269.3M
Q3 25
$234.9M
Q2 25
$275.0M
Q1 25
$41.2M
Q4 24
$189.9M
Q3 24
$166.9M
Q2 24
$183.4M
Q1 24
$17.7M
Free Cash Flow
SGU
SGU
WMS
WMS
Q4 25
$-59.7M
$183.6M
Q3 25
$176.4M
Q2 25
$222.4M
Q1 25
$-5.3M
Q4 24
$135.7M
Q3 24
$112.4M
Q2 24
$125.7M
Q1 24
$-29.8M
FCF Margin
SGU
SGU
WMS
WMS
Q4 25
-11.1%
26.5%
Q3 25
20.7%
Q2 25
26.8%
Q1 25
-0.9%
Q4 24
19.7%
Q3 24
14.4%
Q2 24
15.4%
Q1 24
-4.6%
Capex Intensity
SGU
SGU
WMS
WMS
Q4 25
0.8%
12.4%
Q3 25
6.9%
Q2 25
6.3%
Q1 25
7.6%
Q4 24
7.9%
Q3 24
7.0%
Q2 24
7.1%
Q1 24
7.3%
Cash Conversion
SGU
SGU
WMS
WMS
Q4 25
-1.54×
2.88×
Q3 25
1.51×
Q2 25
1.91×
Q1 25
0.53×
Q4 24
2.34×
Q3 24
1.28×
Q2 24
1.14×
Q1 24
0.19×

Financial Flow Comparison

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

Revenue Breakdown by Segment

SGU
SGU

Home Heating Oil And Propane$372.6M69%
Motor Fuel And Other Petroleum Products$75.4M14%
Equipment Installations$39.6M7%
Equipment Maintenance Service Contracts$30.3M6%
Billable Call Services$21.4M4%

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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