Key facts
- S'UIMIN’s last known valuation is $36.2M (Dec 2021).
- It has raised $14.9M; the latest was Later Stage VC in Mar 2025.
- Notable investors include Plug and Play Tech Center, Mirai Creation Capital, FASTAR, Nagase, Paramount Bed Healthcare Fund — 9 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 9 names
- ·Watchlist + deal alerts for S'UIMIN
- ·The full record, as it builds
Funding rounds
No funding rounds for S'UIMIN are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About S'UIMIN
Developer of sleep study technology designed to leverage electroencephalography devices and AI technology. The company's products are comfortable to wear and produce information equivalent to that from all-night polysomnography, enabling individuals to get their sleep diagnostic data.
- Sector
- Healthcare
- HQ
- Tokyo, Japan
- Founded
- 2017
- Employees
- 50
- Website
- suimin.co.jp/
- Ownership
- Privately Held (backing)
S'UIMIN 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 S'UIMIN 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 S'UIMIN in its N-PORT filings yet. We sweep new filings monthly.