Cosine
PrivateLast Round
VC Round
Jun 1, 2026
Total Funding Raised
$3M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Cosine operates in AI, Data & Cloud Infrastructure and is based in London. Its latest recorded funding round was a VC Round in June 2026.
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
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.
| Company | Similarity | Market Cap |
|---|---|---|
| Zencoder | 87% | |
| All Hands AI | 87% | |
| Cline | 87% |
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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 |
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Key People
Founding team and executive leadership
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Cosine Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Gaingels | VC Round, Seed |
| Multimodal Ventures | VC Round |
| Lakestar | VC Round, Seed |
| UpHonest Capital | Seed |
| Y Combinator | Seed, Accelerator |
| Soma Capital | VC Round, Seed |
| Focal VC | Seed |
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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.
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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.
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Frequently 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, so its shares have no public market price. Caplight tracks Cosine's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
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.
When was Cosine's last funding round?
Cosine's most recent funding round was VC Round on June 1, 2026.
Who are the main investors in Cosine?
Key investors in Cosine include UpHonest Capital, Y Combinator, 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 in Cosine's shares on secondary markets.