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Birchtech vs Owlet: revenue, profit, margins and growth compared

Birchtech brought in $17.6M of revenue in fiscal 2025, Owlet $105.7M in fiscal 2025. Revenue changed by +1.3% at Birchtech and +35.4% at Owlet on the year before, so Owlet grew faster. Birchtech kept -17.2% of its revenue as net profit, Owlet -37.5%. Free cash flow was -$729.4K at Birchtech and -$11.1M at Owlet.

Side by side, latest fiscal year

BCHTOWLT
Fiscal year endedFY2025 (December 31, 2025)FY2025 (December 31, 2025)
Revenue$17.6M$105.7M
Revenue growth+1.3%+35.4%
Net income-$3M-$39.7M
Net margin-17.2%-37.5%
Free cash flow-$729.4K-$11.1M
Free cash flow margin-4.1%-10.5%
Earnings per share (diluted)-$0.16-$2.31
Cash$2.2M$35.5M
Debtn/a$13M
Price to earningsn/an/a
Market value$28.9M$128M
Dividend yieldn/an/a
Rank by revenue in sector#490 of 603 · Industrials#400 of 603 · Industrials

Over the years

Revenue
BCHT FY2018: $12.3MBCHT FY2019: $11.4MBCHT FY2020: $8.2MBCHT FY2021: $13MBCHT FY2022: $21.6MBCHT FY2023: $17.6MBCHT FY2024: $17.4MBCHT FY2025: $17.6MOWLT FY2020: $75.4MOWLT FY2021: $75.8MOWLT FY2021: $69.2MOWLT FY2023: $54MOWLT FY2023: $78.1MOWLT FY2025: $105.7MFY18FY19FY20FY21FY22FY23FY24FY25
BCHT $17.6MOWLT $105.7M
Net income
BCHT FY2018: -$4.8MBCHT FY2019: -$6.1MBCHT FY2020: -$5.8MBCHT FY2021: -$3.6MBCHT FY2022: -$1.6MBCHT FY2023: $5.7MBCHT FY2024: -$10.8MBCHT FY2025: -$3MOWLT FY2020: -$10.5MOWLT FY2021: -$71.7MOWLT FY2021: -$79.3MOWLT FY2023: -$32.9MOWLT FY2023: -$12.5MOWLT FY2025: -$39.7MFY18FY19FY20FY21FY22FY23FY24FY25
BCHT -$3MOWLT -$39.7M
Net margin
BCHT FY2018: -39.2%BCHT FY2019: -53.4%BCHT FY2020: -71.4%BCHT FY2021: -27.9%BCHT FY2022: -7.3%BCHT FY2023: 32.2%BCHT FY2024: -62.1%BCHT FY2025: -17.2%OWLT FY2020: -14.0%OWLT FY2021: -94.5%OWLT FY2021: -114.6%OWLT FY2023: -60.9%OWLT FY2023: -16.1%OWLT FY2025: -37.5%FY18FY19FY20FY21FY22FY23FY24FY25
BCHT -17.2%OWLT -37.5%
Revenue growth
BCHT FY2019: -7.1%BCHT FY2020: -28.5%BCHT FY2021: +59.5%BCHT FY2022: +66.2%BCHT FY2023: -18.5%BCHT FY2024: -1.2%BCHT FY2025: +1.3%OWLT FY2021: +0.6%OWLT FY2021: -8.8%OWLT FY2023: -22.0%OWLT FY2023: +44.5%OWLT FY2025: +35.4%FY19FY20FY21FY22FY23FY24FY25
BCHT +1.3%OWLT +35.4%
Free cash flow
BCHT FY2020: -$1.2MBCHT FY2021: -$217KBCHT FY2022: $60.3KBCHT FY2023: $19.2MBCHT FY2024: -$4.9MBCHT FY2025: -$729.4KOWLT FY2020: -$1.1MOWLT FY2021: -$41.5MOWLT FY2021: -$82MOWLT FY2023: -$23.5MOWLT FY2023: -$11.2MOWLT FY2025: -$11.1MFY20FY21FY22FY23FY24FY25
BCHT -$729.4KOWLT -$11.1M

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

Questions about Birchtech and Owlet

Which is bigger by revenue, Birchtech or Owlet?

Owlet is bigger by revenue: $105.7M in fiscal 2025, against $17.6M for Birchtech in fiscal 2025.

Which keeps more of its revenue as profit, Birchtech or Owlet?

Birchtech had a net margin of -17.2% in fiscal 2025; Owlet had -37.5% in fiscal 2025.

Which grew revenue faster, Birchtech or Owlet?

In their latest fiscal years revenue changed by +1.3% at Birchtech and +35.4% at Owlet.

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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