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Side-by-side financial comparison of F5, Inc. (FFIV) and STAR GROUP, L.P. (SGU). Click either name above to swap in a different company.

F5, Inc. is the larger business by last-quarter revenue ($822.5M vs $539.3M, roughly 1.5× STAR GROUP, L.P.). F5, Inc. runs the higher net margin — 21.9% vs 6.6%, a 15.3% gap on every dollar of revenue. On growth, STAR GROUP, L.P. posted the faster year-over-year revenue change (10.5% vs 7.3%). F5, Inc. produced more free cash flow last quarter ($149.5M vs $-59.7M).

F5, Inc. is an American technology company specializing in application security, multi-cloud management, online fraud prevention, application delivery networking (ADN), application availability and performance, and network security, access, and authorization.

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...

FFIV vs SGU — Head-to-Head

Bigger by revenue
FFIV
FFIV
1.5× larger
FFIV
$822.5M
$539.3M
SGU
Growing faster (revenue YoY)
SGU
SGU
+3.2% gap
SGU
10.5%
7.3%
FFIV
Higher net margin
FFIV
FFIV
15.3% more per $
FFIV
21.9%
6.6%
SGU
More free cash flow
FFIV
FFIV
$209.2M more FCF
FFIV
$149.5M
$-59.7M
SGU

Income Statement — Q1 FY2026 vs Q1 FY2026

Metric
FFIV
FFIV
SGU
SGU
Revenue
$822.5M
$539.3M
Net Profit
$180.1M
$35.8M
Gross Margin
81.5%
Operating Margin
26.0%
10.1%
Net Margin
21.9%
6.6%
Revenue YoY
7.3%
10.5%
Net Profit YoY
8.2%
8.8%
EPS (diluted)
$3.10

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
FFIV
FFIV
SGU
SGU
Q4 25
$822.5M
$539.3M
Q3 25
$810.1M
Q2 25
$780.4M
Q1 25
$731.1M
Q4 24
$766.5M
Q3 24
$746.7M
Q2 24
$695.5M
Q1 24
$681.4M
Net Profit
FFIV
FFIV
SGU
SGU
Q4 25
$180.1M
$35.8M
Q3 25
$190.5M
Q2 25
$189.9M
Q1 25
$145.5M
Q4 24
$166.4M
Q3 24
$165.3M
Q2 24
$144.1M
Q1 24
$119.0M
Gross Margin
FFIV
FFIV
SGU
SGU
Q4 25
81.5%
Q3 25
82.2%
Q2 25
81.0%
Q1 25
80.7%
Q4 24
81.7%
Q3 24
80.8%
Q2 24
80.4%
Q1 24
79.3%
Operating Margin
FFIV
FFIV
SGU
SGU
Q4 25
26.0%
10.1%
Q3 25
25.4%
Q2 25
25.2%
Q1 25
21.7%
Q4 24
26.8%
Q3 24
25.6%
Q2 24
23.4%
Q1 24
20.5%
Net Margin
FFIV
FFIV
SGU
SGU
Q4 25
21.9%
6.6%
Q3 25
23.5%
Q2 25
24.3%
Q1 25
19.9%
Q4 24
21.7%
Q3 24
22.1%
Q2 24
20.7%
Q1 24
17.5%
EPS (diluted)
FFIV
FFIV
SGU
SGU
Q4 25
$3.10
Q3 25
$3.25
Q2 25
$3.25
Q1 25
$2.48
Q4 24
$2.82
Q3 24
$2.79
Q2 24
$2.44
Q1 24
$2.00

Balance Sheet & Financial Strength

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

Metric
FFIV
FFIV
SGU
SGU
Cash + ST InvestmentsLiquidity on hand
$1.2B
$19.9M
Total DebtLower is stronger
$254.8M
Stockholders' EquityBook value
$3.5B
Total Assets
$6.3B
$1.1B
Debt / EquityLower = less leverage

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FFIV
FFIV
SGU
SGU
Q4 25
$1.2B
$19.9M
Q3 25
$1.3B
Q2 25
$1.4B
Q1 25
$1.3B
Q4 24
$1.2B
Q3 24
$1.1B
Q2 24
$935.6M
Q1 24
$903.5M
Total Debt
FFIV
FFIV
SGU
SGU
Q4 25
$254.8M
Q3 25
Q2 25
Q1 25
Q4 24
Q3 24
Q2 24
Q1 24
Stockholders' Equity
FFIV
FFIV
SGU
SGU
Q4 25
$3.5B
Q3 25
$3.6B
Q2 25
$3.5B
Q1 25
$3.3B
Q4 24
$3.2B
Q3 24
$3.1B
Q2 24
$3.0B
Q1 24
$2.9B
Total Assets
FFIV
FFIV
SGU
SGU
Q4 25
$6.3B
$1.1B
Q3 25
$6.3B
Q2 25
$6.1B
Q1 25
$5.9B
Q4 24
$5.9B
Q3 24
$5.6B
Q2 24
$5.4B
Q1 24
$5.4B

Cash Flow & Capital Efficiency

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

Metric
FFIV
FFIV
SGU
SGU
Operating Cash FlowLast quarter
$159.2M
$-55.2M
Free Cash FlowOCF − Capex
$149.5M
$-59.7M
FCF MarginFCF / Revenue
18.2%
-11.1%
Capex IntensityCapex / Revenue
1.2%
0.8%
Cash ConversionOCF / Net Profit
0.88×
-1.54×
TTM Free Cash FlowTrailing 4 quarters
$861.2M

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FFIV
FFIV
SGU
SGU
Q4 25
$159.2M
$-55.2M
Q3 25
$208.1M
Q2 25
$282.2M
Q1 25
$256.6M
Q4 24
$202.8M
Q3 24
$246.5M
Q2 24
$159.0M
Q1 24
$221.6M
Free Cash Flow
FFIV
FFIV
SGU
SGU
Q4 25
$149.5M
$-59.7M
Q3 25
$191.9M
Q2 25
$273.7M
Q1 25
$246.1M
Q4 24
$194.7M
Q3 24
$240.4M
Q2 24
$153.1M
Q1 24
$212.2M
FCF Margin
FFIV
FFIV
SGU
SGU
Q4 25
18.2%
-11.1%
Q3 25
23.7%
Q2 25
35.1%
Q1 25
33.7%
Q4 24
25.4%
Q3 24
32.2%
Q2 24
22.0%
Q1 24
31.1%
Capex Intensity
FFIV
FFIV
SGU
SGU
Q4 25
1.2%
0.8%
Q3 25
2.0%
Q2 25
1.1%
Q1 25
1.4%
Q4 24
1.1%
Q3 24
0.8%
Q2 24
0.8%
Q1 24
1.4%
Cash Conversion
FFIV
FFIV
SGU
SGU
Q4 25
0.88×
-1.54×
Q3 25
1.09×
Q2 25
1.49×
Q1 25
1.76×
Q4 24
1.22×
Q3 24
1.49×
Q2 24
1.10×
Q1 24
1.86×

Financial Flow Comparison

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

Revenue Breakdown by Segment

FFIV
FFIV

Services$412.2M50%
Products$410.3M50%

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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