Cosine
PrivateLast Round
VC Round
Jun 1, 2026
Total Funding Raised
$3M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
Cosine is a software company that develops an AI-powered agentic software engineering platform designed to assist development teams in automating coding tasks, bug fixing, and documentation generation.
Sector
AI, Data & Cloud Infrastructure
Verticals
NLP & Conversational AI, DevOps & Containers, Workflow Automation
Business Model
B2B
Customer Profile
Subscription SaaS, Usage-Based SaaS
AI Layer
Foundation
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Cosine Comparables
Compare Cosine with similar companies based on industry and business-model similarity.
Cosine Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| VC Round | Jun 1, 2026 | ||||
| VC Round | Dec 30, 2024 | ||||
| Seed | Aug 12, 2024 | ||||
| Accelerator | Jan 1, 2023 |
Cosine Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Gaingels | VC Round |
| Multimodal Ventures | VC Round |
| Lakestar | VC Round, Seed |
| UpHonest Capital | Seed |
| Y Combinator | Seed, Accelerator |
| Soma Capital | VC Round, Seed |
| Focal VC | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 26, 2026
Monthly visitors grew 48% MoM, reaching 45.7K.
- Jun 25, 2026
Selected for the UK’s sovereign AI programme.
Recent news
Latest coverage and updates
- is_developingSep 10, 2026
Cosine is developing Lumen Sovereign on Sep 10th '26.
- launchesJul 22, 2026
Cosine group launched Lumen Sovereign on Jul 22nd '26.
- is_developingJul 22, 2026
Cosine group will develop AI model on Dec 31st '26.
Cosine 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 Cosine's valuation, stock price, and market status.
Is Cosine a public or private company?
Cosine is a private company.
What is the current stock price of Cosine?
Cosine is a private company with no public stock price. No recent secondary market data is available.
How much is Cosine worth (valuation)?
Valuation information for Cosine is not publicly available.
Can I buy Cosine stock?
Cosine shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors. Visit https://www.caplight.com to learn more.
When was Cosine's last funding round?
Cosine's most recent funding round was Seed on August 12, 2024.
Who are the main investors in Cosine?
Key investors in Cosine include UpHonest Capital, Soma Capital.
Will Cosine IPO soon?
No public IPO plans have been announced for Cosine.
How can I track Cosine secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor Cosine's secondary market activity and sign up for updates.