Phosio

Corvallis, OR · Founded 2018 · Privately Held (backing)

Developer of UV-curable metal oxide materials designed to support low-temperature deposition for optical and electronic components. Phosio is based in Corvallis, OR and was founded in 2018. It was valued at $15 million at its seed round in Apr 2026, the last priced event on record. It has raised $5 million across 1 recorded round; the latest was a $4.9 million seed round in Mar 2026.

PMV mark · valuation
$15.0M
Oct 2026
Priced at
its seed round
Apr 2026
Total raised
$5.0M
Last round
Seed Round
Mar 2026
How much has Phosio raised?
$5.0Macross 1 recorded rounds · Mar 2026 – Mar 2026

Most recently, Phosio raised $4.9M in its Seed Round (Mar 2026).

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Phosio round by round

1 rounds
Mar 2026Seed Round$4.9MSEC filing▮
21 investors participated

How much has Phosio raised?

Phosio has raised $5 million across 1 recorded round since 2026. The largest was a $4.9 million seed round in Mar 2026.

Phosio has filed 1 Form D with the SEC, most recently in Apr 2026 ($4.9 million sold to 21 investors).

Phosio investors

9 investors are on record for Phosio, including US National Science Foundation, Silicon Catalyst, Elevate Capital and Silicon Catalyst Ventures. The seed round in Mar 2026 drew 21 investors.

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9 investors have backed Phosio.

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Frequently asked about Phosio

How much has Phosio raised?
Phosio has raised $5.0M in total across 1 recorded funding rounds.
When was Phosio's last funding round?
Phosio's most recent recorded round was Seed Round in Mar 2026, raising $4.9M.