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Side-by-side financial comparison of Penumbra Inc (PEN) and STAR GROUP, L.P. (SGU). Click either name above to swap in a different company.

STAR GROUP, L.P. is the larger business by last-quarter revenue ($539.3M vs $385.4M, roughly 1.4× Penumbra Inc). Penumbra Inc runs the higher net margin — 12.3% vs 6.6%, a 5.6% gap on every dollar of revenue. On growth, Penumbra Inc posted the faster year-over-year revenue change (22.1% vs 10.5%). Penumbra Inc produced more free cash flow last quarter ($68.0M vs $-59.7M).

Penumbra, Inc. is an American medical device company headquartered in Alameda, California. The company was founded by Arani Bose and Adam Elsesser in 2004. It manufactures devices for interventional therapies to treat vascular conditions such as stroke and aneurysm.

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...

PEN vs SGU — Head-to-Head

Bigger by revenue
SGU
SGU
1.4× larger
SGU
$539.3M
$385.4M
PEN
Growing faster (revenue YoY)
PEN
PEN
+11.7% gap
PEN
22.1%
10.5%
SGU
Higher net margin
PEN
PEN
5.6% more per $
PEN
12.3%
6.6%
SGU
More free cash flow
PEN
PEN
$127.8M more FCF
PEN
$68.0M
$-59.7M
SGU

Income Statement — Q4 FY2025 vs Q1 FY2026

Metric
PEN
PEN
SGU
SGU
Revenue
$385.4M
$539.3M
Net Profit
$47.3M
$35.8M
Gross Margin
68.0%
Operating Margin
15.4%
10.1%
Net Margin
12.3%
6.6%
Revenue YoY
22.1%
10.5%
Net Profit YoY
40.6%
8.8%
EPS (diluted)
$1.20

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
PEN
PEN
SGU
SGU
Q4 25
$385.4M
$539.3M
Q3 25
$354.7M
Q2 25
$339.5M
Q1 25
$324.1M
Q4 24
$315.5M
Q3 24
$301.0M
Q2 24
$299.4M
Q1 24
$278.7M
Net Profit
PEN
PEN
SGU
SGU
Q4 25
$47.3M
$35.8M
Q3 25
$45.9M
Q2 25
$45.3M
Q1 25
$39.2M
Q4 24
$33.7M
Q3 24
$29.5M
Q2 24
$-60.2M
Q1 24
$11.0M
Gross Margin
PEN
PEN
SGU
SGU
Q4 25
68.0%
Q3 25
67.8%
Q2 25
66.0%
Q1 25
66.6%
Q4 24
66.8%
Q3 24
66.5%
Q2 24
54.4%
Q1 24
65.0%
Operating Margin
PEN
PEN
SGU
SGU
Q4 25
15.4%
10.1%
Q3 25
13.8%
Q2 25
12.0%
Q1 25
12.4%
Q4 24
13.6%
Q3 24
11.7%
Q2 24
-27.0%
Q1 24
4.3%
Net Margin
PEN
PEN
SGU
SGU
Q4 25
12.3%
6.6%
Q3 25
12.9%
Q2 25
13.3%
Q1 25
12.1%
Q4 24
10.7%
Q3 24
9.8%
Q2 24
-20.1%
Q1 24
3.9%
EPS (diluted)
PEN
PEN
SGU
SGU
Q4 25
$1.20
Q3 25
$1.17
Q2 25
$1.15
Q1 25
$1.00
Q4 24
$0.88
Q3 24
$0.75
Q2 24
$-1.55
Q1 24
$0.28

Balance Sheet & Financial Strength

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

Metric
PEN
PEN
SGU
SGU
Cash + ST InvestmentsLiquidity on hand
$186.9M
$19.9M
Total DebtLower is stronger
$254.8M
Stockholders' EquityBook value
$1.4B
Total Assets
$1.8B
$1.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
PEN
PEN
SGU
SGU
Q4 25
$186.9M
$19.9M
Q3 25
$321.0M
Q2 25
$421.8M
Q1 25
$376.1M
Q4 24
$324.4M
Q3 24
$280.5M
Q2 24
$288.3M
Q1 24
$223.1M
Total Debt
PEN
PEN
SGU
SGU
Q4 25
$254.8M
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
PEN
PEN
SGU
SGU
Q4 25
$1.4B
Q3 25
$1.4B
Q2 25
$1.3B
Q1 25
$1.2B
Q4 24
$1.2B
Q3 24
$1.1B
Q2 24
$1.2B
Q1 24
$1.2B
Total Assets
PEN
PEN
SGU
SGU
Q4 25
$1.8B
$1.1B
Q3 25
$1.7B
Q2 25
$1.7B
Q1 25
$1.6B
Q4 24
$1.5B
Q3 24
$1.5B
Q2 24
$1.5B
Q1 24
$1.6B

Cash Flow & Capital Efficiency

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

Metric
PEN
PEN
SGU
SGU
Operating Cash FlowLast quarter
$86.5M
$-55.2M
Free Cash FlowOCF − Capex
$68.0M
$-59.7M
FCF MarginFCF / Revenue
17.7%
-11.1%
Capex IntensityCapex / Revenue
4.8%
0.8%
Cash ConversionOCF / Net Profit
1.83×
-1.54×
TTM Free Cash FlowTrailing 4 quarters
$174.9M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
PEN
PEN
SGU
SGU
Q4 25
$86.5M
$-55.2M
Q3 25
$58.3M
Q2 25
$44.9M
Q1 25
$49.0M
Q4 24
$51.1M
Q3 24
$56.5M
Q2 24
$22.6M
Q1 24
$38.3M
Free Cash Flow
PEN
PEN
SGU
SGU
Q4 25
$68.0M
$-59.7M
Q3 25
$42.0M
Q2 25
$29.4M
Q1 25
$35.5M
Q4 24
$45.7M
Q3 24
$51.0M
Q2 24
$18.1M
Q1 24
$32.5M
FCF Margin
PEN
PEN
SGU
SGU
Q4 25
17.7%
-11.1%
Q3 25
11.8%
Q2 25
8.7%
Q1 25
11.0%
Q4 24
14.5%
Q3 24
16.9%
Q2 24
6.0%
Q1 24
11.7%
Capex Intensity
PEN
PEN
SGU
SGU
Q4 25
4.8%
0.8%
Q3 25
4.6%
Q2 25
4.6%
Q1 25
4.2%
Q4 24
1.7%
Q3 24
1.8%
Q2 24
1.5%
Q1 24
2.1%
Cash Conversion
PEN
PEN
SGU
SGU
Q4 25
1.83×
-1.54×
Q3 25
1.27×
Q2 25
0.99×
Q1 25
1.25×
Q4 24
1.52×
Q3 24
1.91×
Q2 24
Q1 24
3.48×

Financial Flow Comparison

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

Revenue Breakdown by Segment

PEN
PEN

Thrombectomy$254.7M66%
Other$130.7M34%

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%

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