Key facts
- It has raised $2.0M; the latest was Seed Round ($330K) in Feb 2025.
- Status: Privately Held (backing).
- ·Watchlist + deal alerts for HPA Sonics
- ·The full record, as it builds
Funding rounds
No funding rounds for HPA Sonics are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About HPA Sonics
Producer of purity alumina intended to provide an environment-friendly alternative for sapphire glasses. The company's alumina is produced using sonic energy and a prototype reactor to get the purest form of alumina, enabling industries to reduce greenhouse gas emissions.
- Sector
- Energy
- HQ
- Wallingford, CT, United States
- Founded
- 2011
- Employees
- 4
- Website
- hpasonics.com/
- Ownership
- Privately Held (backing)
HPA Sonics 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 HPA Sonics 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 HPA Sonics in its N-PORT filings yet. We sweep new filings monthly.