Key facts
- Nautilus Data Technologies’s last known valuation is $111.0M (Jan 2026).
- It has raised $287.5M across 7 recorded rounds; the latest was Seed Round ($2.0M) in Feb 2025.
- Notable investors include Emerson Collective, Ireland Strategic Investment Fund, Allectus Capital, Keppel, Orion Infrastructure Capital — 8 tracked in total.
- Nautilus Data Technologies has filed 8 Form Ds with the SEC since 2017, most recently Mar 2025 ($2.0M sold to 3 investors).
- Status: Privately Held (backing).
- ·Post-money valuations for all 7 rounds
- ·The complete investor list — 8 names
- ·Watchlist + deal alerts for Nautilus Data Technologies
Funding rounds
7 roundsAbout Nautilus Data Technologies
Developer of a water-cooled data center designed to set a standard for energy efficiency, environmental sustainability, and global scalability. The company's technology focuses to deliver a reduced environmental footprint at a substantially lower cost, when compared with existing facilities, through enhanced energy efficiency, virtually no usage of water, water treatment chemicals, or potent greenhouse gas refrigerants, and reduced carbon emissions and air pollution, enabling customers to operate water cooling more efficiently and less expensively than traditional land-based facilities and achieve higher environmental standards.
- Sector
- Information Technology
- HQ
- San Ramon, CA, United States
- Founded
- 2013
- Employees
- 30
- Website
- nautilusdt.com/
- Ownership
- Privately Held (backing)
Nautilus Data Technologies 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 Nautilus Data Technologies 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 Nautilus Data Technologies in its N-PORT filings yet. We sweep new filings monthly.