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Side-by-side financial comparison of STAR GROUP, L.P. (SGU) and West Pharmaceutical Services (WST). Click either name above to swap in a different company.

West Pharmaceutical Services is the larger business by last-quarter revenue ($805.0M vs $539.3M, roughly 1.5× STAR GROUP, L.P.). West Pharmaceutical Services runs the higher net margin — 16.4% vs 6.6%, a 9.8% gap on every dollar of revenue. On growth, STAR GROUP, L.P. posted the faster year-over-year revenue change (10.5% vs 7.5%). West Pharmaceutical Services produced more free cash flow last quarter ($175.0M 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...

West Pharmaceutical Services, Inc. is a designer and manufacturer of injectable pharmaceutical packaging and delivery systems. Founded in 1923 by Herman O. West and J.R. Wike of Philadelphia, the company is headquartered in Exton, Pennsylvania. In its early years of development, West produced rubber components for packaging injectable drugs, providing a sterile environment for the producers of penicillin and insulin.

SGU vs WST — Head-to-Head

Bigger by revenue
WST
WST
1.5× larger
WST
$805.0M
$539.3M
SGU
Growing faster (revenue YoY)
SGU
SGU
+3.0% gap
SGU
10.5%
7.5%
WST
Higher net margin
WST
WST
9.8% more per $
WST
16.4%
6.6%
SGU
More free cash flow
WST
WST
$234.7M more FCF
WST
$175.0M
$-59.7M
SGU

Income Statement — Q1 FY2026 vs Q4 FY2025

Metric
SGU
SGU
WST
WST
Revenue
$539.3M
$805.0M
Net Profit
$35.8M
$132.1M
Gross Margin
37.8%
Operating Margin
10.1%
19.5%
Net Margin
6.6%
16.4%
Revenue YoY
10.5%
7.5%
Net Profit YoY
8.8%
1.5%
EPS (diluted)
$1.82

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
WST
WST
Q4 25
$539.3M
$805.0M
Q3 25
$804.6M
Q2 25
$766.5M
Q1 25
$698.0M
Q4 24
$748.8M
Q3 24
$746.9M
Q2 24
$702.1M
Q1 24
$695.4M
Net Profit
SGU
SGU
WST
WST
Q4 25
$35.8M
$132.1M
Q3 25
$140.0M
Q2 25
$131.8M
Q1 25
$89.8M
Q4 24
$130.1M
Q3 24
$136.0M
Q2 24
$111.3M
Q1 24
$115.3M
Gross Margin
SGU
SGU
WST
WST
Q4 25
37.8%
Q3 25
36.6%
Q2 25
35.7%
Q1 25
33.2%
Q4 24
36.5%
Q3 24
35.4%
Q2 24
32.8%
Q1 24
33.1%
Operating Margin
SGU
SGU
WST
WST
Q4 25
10.1%
19.5%
Q3 25
20.8%
Q2 25
20.1%
Q1 25
15.3%
Q4 24
21.3%
Q3 24
21.6%
Q2 24
18.0%
Q1 24
17.7%
Net Margin
SGU
SGU
WST
WST
Q4 25
6.6%
16.4%
Q3 25
17.4%
Q2 25
17.2%
Q1 25
12.9%
Q4 24
17.4%
Q3 24
18.2%
Q2 24
15.9%
Q1 24
16.6%
EPS (diluted)
SGU
SGU
WST
WST
Q4 25
$1.82
Q3 25
$1.92
Q2 25
$1.82
Q1 25
$1.23
Q4 24
$1.78
Q3 24
$1.85
Q2 24
$1.51
Q1 24
$1.55

Balance Sheet & Financial Strength

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

Metric
SGU
SGU
WST
WST
Cash + ST InvestmentsLiquidity on hand
$19.9M
$791.3M
Total DebtLower is stronger
$254.8M
$202.8M
Stockholders' EquityBook value
$3.2B
Total Assets
$1.1B
$4.3B
Debt / EquityLower = less leverage
0.06×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
SGU
SGU
WST
WST
Q4 25
$19.9M
$791.3M
Q3 25
$628.5M
Q2 25
$509.7M
Q1 25
$404.2M
Q4 24
$484.6M
Q3 24
$490.9M
Q2 24
$446.2M
Q1 24
$601.8M
Total Debt
SGU
SGU
WST
WST
Q4 25
$254.8M
$202.8M
Q3 25
$202.7M
Q2 25
$202.6M
Q1 25
$202.6M
Q4 24
$202.6M
Q3 24
$202.6M
Q2 24
$205.8M
Q1 24
$206.2M
Stockholders' Equity
SGU
SGU
WST
WST
Q4 25
$3.2B
Q3 25
$3.1B
Q2 25
$2.9B
Q1 25
$2.7B
Q4 24
$2.7B
Q3 24
$2.8B
Q2 24
$2.6B
Q1 24
$2.7B
Total Assets
SGU
SGU
WST
WST
Q4 25
$1.1B
$4.3B
Q3 25
$4.1B
Q2 25
$4.0B
Q1 25
$3.6B
Q4 24
$3.6B
Q3 24
$3.7B
Q2 24
$3.5B
Q1 24
$3.6B
Debt / Equity
SGU
SGU
WST
WST
Q4 25
0.06×
Q3 25
0.07×
Q2 25
0.07×
Q1 25
0.08×
Q4 24
0.08×
Q3 24
0.07×
Q2 24
0.08×
Q1 24
0.08×

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
WST
WST
Operating Cash FlowLast quarter
$-55.2M
$251.1M
Free Cash FlowOCF − Capex
$-59.7M
$175.0M
FCF MarginFCF / Revenue
-11.1%
21.7%
Capex IntensityCapex / Revenue
0.8%
9.5%
Cash ConversionOCF / Net Profit
-1.54×
1.90×
TTM Free Cash FlowTrailing 4 quarters
$468.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
SGU
SGU
WST
WST
Q4 25
$-55.2M
$251.1M
Q3 25
$197.2M
Q2 25
$177.1M
Q1 25
$129.4M
Q4 24
$190.1M
Q3 24
$180.1M
Q2 24
$165.0M
Q1 24
$118.2M
Free Cash Flow
SGU
SGU
WST
WST
Q4 25
$-59.7M
$175.0M
Q3 25
$133.9M
Q2 25
$101.9M
Q1 25
$58.1M
Q4 24
$85.2M
Q3 24
$98.8M
Q2 24
$64.8M
Q1 24
$27.6M
FCF Margin
SGU
SGU
WST
WST
Q4 25
-11.1%
21.7%
Q3 25
16.6%
Q2 25
13.3%
Q1 25
8.3%
Q4 24
11.4%
Q3 24
13.2%
Q2 24
9.2%
Q1 24
4.0%
Capex Intensity
SGU
SGU
WST
WST
Q4 25
0.8%
9.5%
Q3 25
7.9%
Q2 25
9.8%
Q1 25
10.2%
Q4 24
14.0%
Q3 24
10.9%
Q2 24
14.3%
Q1 24
13.0%
Cash Conversion
SGU
SGU
WST
WST
Q4 25
-1.54×
1.90×
Q3 25
1.41×
Q2 25
1.34×
Q1 25
1.44×
Q4 24
1.46×
Q3 24
1.32×
Q2 24
1.48×
Q1 24
1.03×

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%

WST
WST

Proprietary Products$661.8M82%
Contract Manufactured Products$143.2M18%
Affiliated Entity$3.3M0%

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