Key facts
- LumenAstra’s last known valuation is $17.4M (Nov 2025).
- It has raised $1.4M; the latest was Seed Round ($1.4M) in Nov 2025.
- Notable investors include US National Science Foundation, Boulder Angels, Colorado Venture Capital Authority, Venture Partners at CU Boulder.
- Status: Privately Held (backing).
- ·The complete investor list — 4 names
- ·Watchlist + deal alerts for LumenAstra
- ·The full record, as it builds
Funding rounds
No funding rounds for LumenAstra are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About LumenAstra
Developer of a non-invasive, wearable deep-tissue temperature device designed to measure internal temperature from the outside. The company's device utilizes sensor technology and has applications in cancer hyperthermia therapy, hypothermia for aortic dissection repair, brain temperature monitoring for neonatal hypoxia Ischemia, internal heat stress monitoring for military and hazardous environments, enabling medical professionals to protect patients from serious injury and death from heat stress.
- Sector
- Healthcare
- HQ
- Boulder, CO, United States
- Founded
- 2020
- Employees
- 8
- Website
- lumenastra.io/
- Ownership
- Privately Held (backing)
LumenAstra 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 LumenAstra 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 LumenAstra in its N-PORT filings yet. We sweep new filings monthly.