MetOx International

Houston, TX · Founded 1998 · Privately Held (backing)

Manufacturer of superconducting wire intended to transmit electricity without electrical loss or generate heat during operation. MetOx International is based in Houston, TX and was founded in 1998. Its last reported valuation was $85 million in Jan 2022. It has raised $126 million across 3 recorded rounds; the latest was a $1 million seed round in Dec 2024.

Last reported valuation
$85.0M
Oct 2026
Priced at
—
Total raised
$126.1M
Last round
Seed Round
Dec 2024

MetOx International key facts

as of Oct 2026
  • Manufacturer of superconducting wire intended to transmit electricity without electrical loss or generate heat during operation.
  • MetOx International is valued at approximately $85.0M as of Oct 2026 (last reported valuation).
  • It has raised $126.1M across 3 recorded rounds; the latest was Seed Round ($1.0M) in Dec 2024.
  • Notable investors include US National Science Foundation, U.S. Department of Energy, United States Department of War, Elemental Impact, Safar Partners — 16 tracked in total.
  • MetOx International has filed 4 Form Ds with the SEC since 2023, most recently Dec 2024 ($1.0M sold to 1 investors).
  • Status: Privately Held (backing).
Last reported valuation
LOW confidence
$85.0M

MetOx International's last reported valuation, Jan 2022. Nothing priced has surfaced since.

set by last reported valuationas of Oct 2026question about this number?
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MetOx International funding rounds

3 rounds
Dec 2024Seed Round$1.0MSEC filing▮
Sep 2024Early Stage VC$40.0MSEC filing▮
Oct 2023Early Stage VC$43.0MSEC filing▮

MetOx International valuation

MetOx International's last reported valuation was $85 million in Jan 2022. No priced round, secondary trade or fund mark has surfaced since.

How much has MetOx International raised?

MetOx International has raised $126 million across 3 recorded rounds since 2023. The largest was a $43 million early-stage round in Oct 2023; the most recent was a $1 million seed round in Dec 2024.

MetOx International has filed 4 Form Ds with the SEC since 2023, most recently in Dec 2024 ($1 million sold to 1 investor).

MetOx International investors

16 investors are on record for MetOx International, including US National Science Foundation, U.S. Department of Energy, United States Department of War and Elemental Impact. By type, the record holds 4 family offices and 2 venture capital firms. The seed round in Dec 2024 drew 1 investor.

About MetOx International

Manufacturer of superconducting wire intended to transmit electricity without electrical loss or generate heat during operation. The company uses a proprietary one-pass metal-organic chemical vapor deposition process for all buffer and superconductor layers that are used for a wide range of applications including transmission and distribution, fusion, wind turbines and magnetic resonance imaging, enabling clients to produce wire at a commercial scale, positioning organizations at the forefront of the energy transition.

Sector
Business Products and Services (B2B)
HQ
Houston, TX, United States
Founded
1998
Employees
79
Ownership
Privately Held (backing)

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