Key facts
- Phosio’s last known valuation is $15.0M (Apr 2026).
- It has raised $5.0M across 1 recorded rounds; the latest was Seed Round ($4.9M) in Mar 2026.
- Notable investors include US National Science Foundation, Silicon Catalyst, Elevate Capital, Silicon Catalyst Ventures, Silicon Catalyst Angels — 9 tracked in total.
- Phosio has filed 1 Form D with the SEC, most recently Apr 2026 ($4.9M sold to 21 investors).
- Status: Privately Held (backing).
- ·Post-money valuations for all 1 rounds
- ·The complete investor list — 9 names
- ·Watchlist + deal alerts for Phosio
Funding rounds
1 roundsAbout Phosio
Developer of UV-curable metal oxide materials designed to support low-temperature deposition for optical and electronic components. The company offers transparent and tunable coatings, direct UV patterning, and compatibility with flexible substrates, enabling manufacturers of displays, semiconductors, and smart devices to achieve efficient, scalable production and improved component performance.
- Sector
- Materials and Resources
- HQ
- Corvallis, OR, United States
- Founded
- 2018
- Employees
- 8
- Website
- phosio.com/
- Ownership
- Privately Held (backing)
Phosio doesn't have a composite mark yet — a PA Mark is published once enough pricing inputs exist (trade prints, fund marks, round prices). The rest of the record below builds toward it.
Recorded secondary trades
No secondary trades in Phosio shares have been recorded yet. When a print lands — third-party, direct report, or platform — it appears here with structure, source, and price.
Institutional fund marks
No SEC-registered fund has reported a fair-value mark on Phosio in its N-PORT filings yet. We sweep new filings monthly.