Submer
PrivateLast Round
Debt
Dec 19, 2024
Est. Valuation
$500M
Total Funding Raised
$124.37M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Submer operates in AI, Data & Cloud Infrastructure and is based in Barcelona. Its latest recorded funding round was a Debt round in December 2024.
Submer is an electrical equipment company that develops and manufactures immersion cooling solutions designed to serve the data center industry, enabling clients to increase energy efficiency and performance.
Sector
AI, Data & Cloud Infrastructure
Verticals
Cloud Infrastructure, AI Training Infrastructure, Computing Hardware, Energy Management
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Submer Comparables
Compare Submer with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| ZutaCore | 88% | |
| Accelsius | 87% | |
| Asperitas | 86% |
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Submer Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Debt | Dec 19, 2024 | ||||
| Series C | Oct 3, 2024 | ||||
| Series B | Jan 17, 2022 | ||||
| Series A | Sep 24, 2020 | ||||
| Grant | Feb 29, 2020 | ||||
VC Round | Mar 1, 2018 |
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Key People
Founding team and executive leadership
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Submer Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Mundi Ventures | Series A, Angel, Series C, Series B, VC Round |
| Planet First Partners | Series C, Series B |
| M&G Investments | Series C |
| Norrsken VC | Series A, Series C, Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Sep 1, 2026
Grew 18% QoQ, from 158 to 186 employees.
- Jul 21, 2026
Open roles increased to 286, 2.1x the trailing average.
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Recent news
Latest coverage and updates
- is_developingOct 28, 2026
Submer Inc. signs a collaboration agreement with Aginode to jointly develop and deliver integrated AI and data center infrastructure across the Middle East, Africa, and Turkey, combining thermal, power, and connectivity design from initial planning on Oct 28th '26.
- is_developingOct 27, 2026
Submer Inc. signs a collaboration agreement with Aginode to jointly develop and deliver integrated data center systems across Turkey, the Middle East, and Africa, combining thermal management, power distribution, and physical connectivity from the earliest planning stages.
- partners_withOct 27, 2026
On Oct 28th '26 in United Arab Emirates, Submer Inc. and Aginode sign a collaboration agreement to jointly develop and deliver integrated AI and data centre infrastructure across the Middle East, Africa and Turkey.
- attends_eventOct 24, 2026
Submer Inc. joins DCD Connect | MENA 2026 in United Arab Emirates on Oct 26th-27th '26 and participates in a panel on scalable compute for Sovereign AI.
- partners_withOct 10, 2026
Submer and Bharat Sanchar Nigam Limited sign a Memorandum of Understanding at India Mobile Congress 2026 to explore sovereign, AI-ready data center infrastructure in India, including GPU-as-a-Service, sovereign AI cloud, edge and micro-edge facilities, and data centers of up to 20 MW.
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Submer Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about Submer's valuation, stock price, and market status.
Is Submer a public or private company?
Submer is a private company.
What is the current stock price of Submer?
Submer is a private company, so its shares have no public market price. Caplight tracks Submer's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Submer worth (valuation)?
Submer's valuation is estimated at $500.0M based on funding round data.
Can I buy Submer stock?
Submer shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Submer's last funding round?
Submer's most recent funding round was Debt on December 19, 2024.
Who are the main investors in Submer?
Key investors in Submer include Mundi Ventures, Planet First Partners, M&G Investments.
Will Submer IPO soon?
No public IPO plans have been announced for Submer.
How can I track Submer secondary market activity?
Caplight tracks bids, offers, and trades in Submer's shares on secondary markets.