Key facts
- FullDepth’s last known valuation is $26.1M (Dec 2025).
- It has raised $16.1M; the latest was Later Stage VC ($6.1M) in Dec 2025.
- Notable investors include SMBC Venture Capital, Mitsui Sumitomo Insurance Co., Aozora Corporate Investment, JR East Start Up, Beyond Next Ventures — 22 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 22 names
- ·Watchlist + deal alerts for FullDepth
- ·The full record, as it builds
Funding rounds
No funding rounds for FullDepth are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About FullDepth
Developer of marine drones designed to assist in underwater surveillance. The company's drones, combined with marine navigation technology that monitors and captures aquatic life, communicate data to connected devices and provide real-time information that can be freely accessed via a cloud service, enabling customers to observe and study marine life for educational and recreational purposes.
- Sector
- Information Technology
- HQ
- Tokyo, Japan
- Founded
- 2014
- Employees
- 50
- Website
- fulldepth.co.jp/
- Ownership
- Privately Held (backing)
FullDepth 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 FullDepth 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 FullDepth in its N-PORT filings yet. We sweep new filings monthly.