Callosum Software GmbH
PrivateLast Round
Seed
Aug 1, 2018
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Callosum Software GmbH is a social networking company that develops and operates Tellonym, a platform for anonymous messaging and social interaction.
Sector
Consumer & Commerce
Verticals
Social Media, User-Generated Content, Digital Advertising
Business Model
B2C
Customer Profile
Subscription SaaS, Freemium
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Callosum Software GmbH Comparables
Compare Callosum Software GmbH with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Vonvon Inc. | 82% | |
| Noteit LLC | 81% | |
| MediaLab | 78% |
Callosum Software GmbH Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Aug 1, 2018 |
Key People
Founding team and executive leadership
Callosum Software GmbH Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| BLN Capital | Seed |
| Lioncorn Capital | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 22, 2026
Monthly visitors grew 39% MoM, reaching 2.5M.
- Jul 5, 2025
Monthly visitors increased 41% MoM, reaching 5.5 million.
Callosum Software GmbH 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.
Request accessFrequently Asked Questions
Common questions about Callosum Software GmbH's valuation, stock price, and market status.
Is Callosum Software GmbH a public or private company?
Callosum Software GmbH is a private company.
What is the current stock price of Callosum Software GmbH?
Callosum Software GmbH is a private company, so its shares have no public market price. Caplight tracks Callosum Software GmbH's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Callosum Software GmbH worth (valuation)?
Valuation information for Callosum Software GmbH is not publicly available.
Can I buy Callosum Software GmbH stock?
Callosum Software GmbH shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Callosum Software GmbH's last funding round?
Callosum Software GmbH's most recent funding round was Seed on August 1, 2018.
Who are the main investors in Callosum Software GmbH?
Key investors in Callosum Software GmbH include BLN Capital, Lioncorn Capital.
Will Callosum Software GmbH IPO soon?
No public IPO plans have been announced for Callosum Software GmbH.
How can I track Callosum Software GmbH secondary market activity?
Caplight tracks bids, offers, and trades in Callosum Software GmbH's shares on secondary markets.