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OtoNexus Medical Technologies

Bellevue, WA · Founded 2010 · Privately Held (backing)

Developer of a medical device designed to diagnose middle ear infections in children and adults. OtoNexus Medical Technologies is based in Bellevue, WA and was founded in 2010. Its last reported valuation was $44.2 million in Oct 2021. It has raised $46.1 million across 5 recorded rounds; the latest was a $12.9 million debt round in Oct 2022.

Last reported valuation
$44.2M
Oct 2026
Priced at
—
Total raised
$46.1M
Last round
Debt
Oct 2022

OtoNexus Medical Technologies key facts

as of Oct 2026
  • Developer of a medical device designed to diagnose middle ear infections in children and adults.
  • OtoNexus Medical Technologies is valued at approximately $44.2M as of Oct 2026 (last reported valuation).
  • It has raised $46.1M across 5 recorded rounds; the latest was Debt ($12.9M) in Oct 2022.
  • Notable investors include US National Science Foundation, Impact Assets, MedTech Innovator, Keiretsu Forum, Catalytic Impact Foundation — 43 tracked in total.
  • OtoNexus Medical Technologies has filed 10 Form Ds with the SEC since 2015, most recently Feb 2024 ($12.9M sold to 114 investors).
  • Status: Privately Held (backing).
Last reported valuation
LOW confidence
$44.2M

OtoNexus Medical Technologies's last reported valuation, Oct 2021. Nothing priced has surfaced since.

set by last reported valuationas of Oct 2026question about this number?
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OtoNexus Medical Technologies funding rounds

5 rounds
Oct 2022Debt$12.9MSEC filing▮
Dec 2021Seed Round$1.9MSEC filing▮
Dec 2018Early Stage VC$19.5MSEC filing▮
Dec 2016Early Stage VC$7.8MSEC filing▮
Aug 2015Debt$2.2MSEC filing▮
Full funding history →

OtoNexus Medical Technologies valuation

OtoNexus Medical Technologies's last reported valuation was $44.2 million in Oct 2021. No priced round, secondary trade or fund mark has surfaced since.

How much has OtoNexus Medical Technologies raised?

OtoNexus Medical Technologies has raised $46.1 million across 5 recorded rounds since 2015. The largest was a $7.8 million early-stage round in Dec 2016; the most recent was a $12.9 million debt round in Oct 2022.

OtoNexus Medical Technologies has filed 10 Form Ds with the SEC since 2015, most recently in Feb 2024 ($12.9 million sold to 114 investors).

OtoNexus Medical Technologies investors

43 investors are on record for OtoNexus Medical Technologies, including US National Science Foundation, Impact Assets, MedTech Innovator and Keiretsu Forum. The debt round in Oct 2022 drew 114 investors.

About OtoNexus Medical Technologies

Developer of a medical device designed to diagnose middle ear infections in children and adults. The company's device applies a well-known medical technology, ultrasound, in a completely novel way to achieve a key advance in the detection of otitis media, enabling clinicians to identify viral or bacterial infection and determine whether an antibiotic is appropriate.

Sector
Healthcare
HQ
Bellevue, WA, United States
Founded
2010
Employees
22
Ownership
Privately Held (backing)

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