Skip to main content
Caplight Logo









Protonet

Protonet

Private
HamburgAI, Data & Cloud Infrastructurehttps://protonet.info

Last Round

Accelerator

Feb 16, 2016

Est. Valuation

$1.71M

Total Funding Raised

$5.65M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Protonet operates in AI, Data & Cloud Infrastructure and is based in Hamburg. Its latest recorded funding round was an Accelerator round in February 2016.

Protonet is a technology company that provides on-premise private cloud servers and a proprietary collaboration software platform called SOUL for secure project management and communication.

Sector

AI, Data & Cloud Infrastructure

Verticals

Cloud Infrastructure, Computing Hardware, Data Protection, Enterprise Communication, Project Management

Business Model

B2B

Customer Profile

Subscription SaaS, Hardware Sales

AI Layer

Non-AI

Historical Pricing

Historical view of private secondary pricing and transaction trends.

Pricing history

Caplight clients see full MarketPrice™ history and secondary transactions.

Book a demo

For institutional investors. Book with your work email.

Caplight Momentum Score

Proprietary index based on bid/ask volume and sentiment.

Momentum history

Caplight clients track how buyer interest and sentiment change over time.

Book a demo

For institutional investors. Book with your work email.

Protonet Comparables

Compare Protonet with similar companies based on industry and business-model similarity.

Protonet comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Nextcloud
76%
Synology Inc.
69%
Seafile Ltd.
69%
Book a demo to see all comparables

For institutional investors. Book with your work email.

Protonet Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
AcceleratorFeb 16, 2016
CrowdfundingJun 4, 2014
CrowdfundingNov 29, 2012
Book a demo to see all funding rounds

For institutional investors. Book with your work email.

Protonet Investors

Notable investors and investment history

Protonet investors
InvestorRounds
OneCrowdCrowdfunding
Y CombinatorAccelerator

Market signals

Structured signals derived from secondary market and firmographic data.

  • Aug 21, 2026

    Monthly visitors grew 98% MoM.

  • Apr 16, 2026

    Monthly visitors increased 33% MoM.

Book a demo to see all signals

For institutional investors. Book with your work email.

Protonet Filings

Explore SEC and related filing metadata, where available.

Protonet filings preview — column headings only; records require access
TypeDateAmount OfferedAmount SoldFilingPagesDownload

Filing documents are not displayed on this public page. Request access to learn about available coverage.

Book a demo

For institutional investors. Book with your work email.

Frequently Asked Questions

Common questions about Protonet's valuation, stock price, and market status.

Is Protonet a public or private company?

Protonet is a private company.

What is the current stock price of Protonet?

Protonet is a private company, so its shares have no public market price. Caplight tracks Protonet's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.

How much is Protonet worth (valuation)?

Protonet's valuation is estimated at $1.7M based on funding round data.

Can I buy Protonet stock?

Protonet shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.

When was Protonet's last funding round?

Protonet's most recent funding round was Accelerator on February 16, 2016.

Who are the main investors in Protonet?

Key investors in Protonet include Y Combinator.

Will Protonet IPO soon?

No public IPO plans have been announced for Protonet.

How can I track Protonet secondary market activity?

Caplight tracks bids, offers, and trades in Protonet's shares on secondary markets.

Firmographic Details

HeadquartersHamburg
Year Founded2012
Last FundingFeb 16, 2016

Institutional Data Access

Join leading institutional investors using Caplight to access private market data, discover pricing, and execute secondary block trades.

Book a demo

For institutional investors. Book with your work email.

See something wrong or outdated?