Key facts
- Altaeros’s last known valuation is $102.3M (Nov 2021).
- It has raised $93.9M across 2 recorded rounds; the latest was Seed Round ($3.8M) in Oct 2018.
- Notable investors include US National Science Foundation, MassChallenge, In-Q-Tel, SoftBank Investment Advisers, MassVentures — 19 tracked in total.
- Altaeros has filed 2 Form Ds with the SEC since 2014, most recently Nov 2018 ($3.8M sold to 2 investors).
- Status: Privately Held (backing).
- ·Post-money valuations for all 2 rounds
- ·The complete investor list — 19 names
- ·Watchlist + deal alerts for Altaeros
Funding rounds
2 roundsAbout Altaeros
Provider of autonomous aerostats and support services intended to connect rural areas with mobile broadband. The company's turbine is a high-altitude turbine made for mobility and rapid deployment at remote, military, and offshore sites, as well as help in the cost-effective deployment of ubiquitous telecom services and deployment of technology-enabled agricultural services, enabling rural and isolated communities to improve connectivity through their super towers and facilitate control through their aerostat system.
- Sector
- Information Technology
- HQ
- Somerville, MA, United States
- Founded
- 2010
- Employees
- 55
- Website
- altaeros.com/
- Ownership
- Privately Held (backing)
Altaeros 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 Altaeros 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 Altaeros in its N-PORT filings yet. We sweep new filings monthly.