Key facts
- Submer’s last known valuation is $55.5M (Dec 2024).
- It has raised $131.1M; the latest was Later Stage VC ($20.0M) in Feb 2026.
- Notable investors include Plug and Play Tech Center, European Commission, Norrsken VC, Planet First Partners, Big Sur Ventures — 9 tracked in total.
- Status: Privately Held (backing).
- ·The complete investor list — 9 names
- ·Watchlist + deal alerts for Submer
- ·The full record, as it builds
Funding rounds
No funding rounds for Submer are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
About Submer
Developer of a cooling technology designed to serve the data center industry. The company addresses thermal management challenges by submerging servers in a proprietary dielectric fluid that has higher heat-transfer efficiency than air, enabling clients to operate high-density computing systems in a compact space with reduced energy consumption compared to traditional air-cooled environments.
- Sector
- Business Products and Services (B2B)
- HQ
- Barcelona, Spain
- Founded
- 2015
- Employees
- 157
- Website
- submer.com/
- Ownership
- Privately Held (backing)
Submer 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 Submer 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 Submer in its N-PORT filings yet. We sweep new filings monthly.