Key facts
- CesiumAstro’s last known valuation is $765.0M (Jul 2024).
- It has raised $626.2M across 7 recorded rounds; the latest was Later Stage VC ($270.5M) in Jul 2025.
- Notable investors include Alumni Ventures, United States Department of War, Kleiner Perkins, EDBI, National Aeronautics and Space Administration — 26 tracked in total.
- CesiumAstro has filed 8 Form Ds with the SEC since 2017, most recently Feb 2024 ($30.0M sold to 2 investors).
- Status: Privately Held (backing).
- ·Post-money valuations for all 7 rounds
- ·The complete investor list — 26 names
- ·Watchlist + deal alerts for CesiumAstro
Funding rounds
7 roundsAbout CesiumAstro
Developer of a space communication system designed to address a diverse range of commercial and defense applications. The company's system supports fast beam hopping, beam-weight storage, and the ability to run sequences of different beam patterns, enabling clients to have complete mission-specific payload configurations.
- Sector
- Information Technology
- HQ
- Austin, TX, United States
- Founded
- 2017
- Employees
- 200
- Website
- cesiumastro.com/
- Ownership
- Privately Held (backing)
CesiumAstro 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 CesiumAstro 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 CesiumAstro in its N-PORT filings yet. We sweep new filings monthly.