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ADTRAN vs FiEE: revenue, profit, margins and growth compared

ADTRAN brought in $1.1B of revenue in fiscal 2025, FiEE $6.2M in fiscal 2025. Revenue changed by +17.5% at ADTRAN and +867.9% at FiEE on the year before, so FiEE grew faster. ADTRAN kept -4.2% of its revenue as net profit, FiEE 17.3%. Free cash flow was $98M at ADTRAN and $3.5M at FiEE.

Side by side, latest fiscal year

ADTNFIEE
Fiscal year endedFY2025 (December 31, 2025)FY2025 (December 31, 2025)
Revenue$1.1B$6.2M
Revenue growth+17.5%+867.9%
Net income-$45.7M$1.1M
Net margin-4.2%17.3%
Free cash flow$98M$3.5M
Free cash flow margin9.0%55.7%
Earnings per share (diluted)-$0.52$0.10
Cash$95.7M$3.1M
Debtn/an/a
Price to earningsn/a38.5
Market value$581M$32.8M
Dividend yieldn/an/a
Rank by revenue in sector#77 of 109 · Utilities#105 of 109 · Utilities

Over the years

Revenue
ADTN FY2018: $529.3MADTN FY2019: $530.1MADTN FY2020: $506.5MADTN FY2021: $563MADTN FY2022: $1BADTN FY2023: $1.1BADTN FY2024: $922.7MADTN FY2025: $1.1BFIEE FY2018: $32.3MFIEE FY2019: $37.6MFIEE FY2020: $48MFIEE FY2021: $55.4MFIEE FY2022: $50.6MFIEE FY2023: $26.1MFIEE FY2023: $639.9KFIEE FY2025: $6.2MFY18FY19FY20FY21FY22FY23FY24FY25
ADTN $1.1BFIEE $6.2M
Net income
ADTN FY2018: -$19.3MADTN FY2019: -$53MADTN FY2020: $2.4MADTN FY2021: -$8.6MADTN FY2022: -$2MADTN FY2023: -$268.9MADTN FY2024: -$459.9MADTN FY2025: -$45.7MFIEE FY2018: -$74.3KFIEE FY2019: -$3.3MFIEE FY2020: -$3.9MFIEE FY2021: -$2.2MFIEE FY2022: -$15.5MFIEE FY2023: -$17.6MFIEE FY2023: -$4.2MFIEE FY2025: $1.1MFY18FY19FY20FY21FY22FY23FY24FY25
ADTN -$45.7MFIEE $1.1M
Net margin
ADTN FY2018: -3.7%ADTN FY2019: -10.0%ADTN FY2020: 0.5%ADTN FY2021: -1.5%ADTN FY2022: -0.2%ADTN FY2023: -23.4%ADTN FY2024: -49.8%ADTN FY2025: -4.2%FIEE FY2018: -0.2%FIEE FY2019: -8.7%FIEE FY2020: -8.0%FIEE FY2021: -4.0%FIEE FY2022: -30.7%FIEE FY2023: -67.5%FIEE FY2023: -660.2%FIEE FY2025: 17.3%FY18FY19FY20FY21FY22FY23FY24FY25
ADTN -4.2%FIEE 17.3%
Revenue growth
ADTN FY2019: +0.1%ADTN FY2020: -4.4%ADTN FY2021: +11.2%ADTN FY2022: +82.2%ADTN FY2023: +12.0%ADTN FY2024: -19.7%ADTN FY2025: +17.5%FIEE FY2019: +16.4%FIEE FY2020: +27.6%FIEE FY2021: +15.5%FIEE FY2022: -8.7%FIEE FY2023: -48.4%FIEE FY2023: -97.5%FIEE FY2025: +867.9%FY19FY20FY21FY22FY23FY24FY25
ADTN +17.5%FIEE +867.9%
Free cash flow
ADTN FY2018: $47.3MADTN FY2019: -$12MADTN FY2020: -$22.9MADTN FY2021: -$2.7MADTN FY2022: -$61.3MADTN FY2023: -$79.4MADTN FY2024: $69.1MADTN FY2025: $98MFIEE FY2018: -$2MFIEE FY2019: -$1.7MFIEE FY2020: -$7.4MFIEE FY2021: -$14.9MFIEE FY2022: -$12.4MFIEE FY2023: $4.7MFIEE FY2025: $3.5MFY18FY19FY20FY21FY22FY23FY24FY25
ADTN $98MFIEE $3.5M

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

Questions about ADTRAN and FiEE

Which is bigger by revenue, ADTRAN or FiEE?

ADTRAN is bigger by revenue: $1.1B in fiscal 2025, against $6.2M for FiEE in fiscal 2025.

Which keeps more of its revenue as profit, ADTRAN or FiEE?

ADTRAN had a net margin of -4.2% in fiscal 2025; FiEE had 17.3% in fiscal 2025.

Which grew revenue faster, ADTRAN or FiEE?

In their latest fiscal years revenue changed by +17.5% at ADTRAN and +867.9% at FiEE.

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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