Key facts
- Solestial’s last known valuation is $65.0M.
- It has raised $28.3M across 2 recorded rounds; the latest was Early Stage VC ($15.1M) in Sep 2024.
- Notable investors include Techstars, US National Science Foundation, Global Brain, United States Department of War, National Aeronautics and Space Administration — 21 tracked in total.
- Solestial has filed 2 Form Ds with the SEC since 2022, most recently Sep 2024 ($15.1M sold to 12 investors).
- Status: Privately Held (backing).
- ·Post-money valuations for all 2 rounds
- ·The complete investor list — 21 names
- ·Watchlist + deal alerts for Solestial
Funding rounds
2 roundsAbout Solestial
Developer of radiation-hardened silicon photovoltaics for space. The company's flexible solar power modules are engineered for space to self-cure radiation damage under sunlight, enabling organizations to have solar energy with a combination of radiation hardness, performance, and cost, at scale.
- Sector
- Energy
- HQ
- Tempe, AZ, United States
- Founded
- 2013
- Employees
- 49
- Website
- solestial.com/
- Ownership
- Privately Held (backing)
Solestial 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 Solestial 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 Solestial in its N-PORT filings yet. We sweep new filings monthly.