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Digi International vs F5: revenue, profit, margins and growth compared

Digi International brought in $430.2M of revenue in fiscal 2025, F5 $3.1B in fiscal 2025. Revenue changed by +1.5% at Digi International and +9.7% at F5 on the year before, so F5 grew faster. Digi International kept 9.5% of its revenue as net profit, F5 22.4%. Free cash flow was $105.3M at Digi International and $906.4M at F5.

Side by side, latest fiscal year

DGIIFFIV
Fiscal year endedFY2025 (September 30, 2025)FY2025 (September 30, 2025)
Revenue$430.2M$3.1B
Revenue growth+1.5%+9.7%
Net income$40.8M$692.4M
Net margin9.5%22.4%
Free cash flow$105.3M$906.4M
Free cash flow margin24.5%29.4%
Earnings per share (diluted)$1.08$11.80
Cash$21.9M$1.3B
Debt$159.2Mn/a
Price to earnings72.537.5
Market value$3B$25.1B
Dividend yieldn/an/a
Rank by revenue in sector#31 of 51 · Telecommunications#15 of 51 · Telecommunications

Over the years

Revenue
DGII FY2018: $226.9MDGII FY2019: $254.2MDGII FY2020: $279.3MDGII FY2021: $308.6MDGII FY2022: $388.2MDGII FY2023: $444.8MDGII FY2024: $424MDGII FY2025: $430.2MFFIV FY2018: $2.2BFFIV FY2019: $2.2BFFIV FY2020: $2.4BFFIV FY2021: $2.6BFFIV FY2022: $2.7BFFIV FY2023: $2.8BFFIV FY2024: $2.8BFFIV FY2025: $3.1BFY18FY19FY20FY21FY22FY23FY24FY25
DGII $430.2MFFIV $3.1B
Net income
DGII FY2018: $1.6MDGII FY2019: $10MDGII FY2020: $8.4MDGII FY2021: $10.4MDGII FY2022: $19.4MDGII FY2023: $24.8MDGII FY2024: $22.5MDGII FY2025: $40.8MFFIV FY2018: $453.7MFFIV FY2019: $427.7MFFIV FY2020: $307.4MFFIV FY2021: $331.2MFFIV FY2022: $322.2MFFIV FY2023: $394.9MFFIV FY2024: $566.8MFFIV FY2025: $692.4MFY18FY19FY20FY21FY22FY23FY24FY25
DGII $40.8MFFIV $692.4M
Net margin
DGII FY2018: 0.7%DGII FY2019: 3.9%DGII FY2020: 3.0%DGII FY2021: 3.4%DGII FY2022: 5.0%DGII FY2023: 5.6%DGII FY2024: 5.3%DGII FY2025: 9.5%FFIV FY2018: 21.0%FFIV FY2019: 19.1%FFIV FY2020: 13.1%FFIV FY2021: 12.7%FFIV FY2022: 12.0%FFIV FY2023: 14.0%FFIV FY2024: 20.1%FFIV FY2025: 22.4%FY18FY19FY20FY21FY22FY23FY24FY25
DGII 9.5%FFIV 22.4%
Revenue growth
DGII FY2019: +12.0%DGII FY2020: +9.9%DGII FY2021: +10.5%DGII FY2022: +25.8%DGII FY2023: +14.6%DGII FY2024: -4.7%DGII FY2025: +1.5%FFIV FY2019: +3.7%FFIV FY2020: +4.8%FFIV FY2021: +10.7%FFIV FY2022: +3.6%FFIV FY2023: +4.4%FFIV FY2024: +0.1%FFIV FY2025: +9.7%FY19FY20FY21FY22FY23FY24FY25
DGII +1.5%FFIV +9.7%
Free cash flow
DGII FY2018: -$4.6MDGII FY2019: $19.6MDGII FY2020: $33.6MDGII FY2021: $55.5MDGII FY2022: $35.8MDGII FY2023: $32.4MDGII FY2024: $80.9MDGII FY2025: $105.3MFFIV FY2018: $707.6MFFIV FY2019: $644.3MFFIV FY2020: $601MFFIV FY2021: $614.5MFFIV FY2022: $409MFFIV FY2023: $599.2MFFIV FY2024: $762MFFIV FY2025: $906.4MFY18FY19FY20FY21FY22FY23FY24FY25
DGII $105.3MFFIV $906.4M

Fiscal years as each company reports them; the two may end in different months.

Questions about Digi International and F5

Which is bigger by revenue, Digi International or F5?

F5 is bigger by revenue: $3.1B in fiscal 2025, against $430.2M for Digi International in fiscal 2025.

Which keeps more of its revenue as profit, Digi International or F5?

Digi International had a net margin of 9.5% in fiscal 2025; F5 had 22.4% in fiscal 2025.

Which grew revenue faster, Digi International or F5?

In their latest fiscal years revenue changed by +1.5% at Digi International and +9.7% at F5.

Where do these numbers come from?

From the annual reports each company files with the SEC (10-K, or 20-F and 40-F for foreign companies), read from their XBRL data. Margins and growth are simple arithmetic on those figures. Nothing here is a recommendation.

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