LangChain
PrivateLast Round
Series B
Oct 20, 2025
Est. Valuation
$1.25B
Total Funding Raised
$160M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
LangChain is an artificial intelligence company that provides an open-source framework and platform for building, testing, and deploying large language model-powered applications and AI agents.
Sector
AI, Data & Cloud Infrastructure
Verticals
NLP & Conversational AI, ML Platforms, Workflow Automation
Business Model
B2B
Customer Profile
Subscription SaaS, Usage-Based SaaS
AI Layer
Infrastructure
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
LangChain Comparables
Compare LangChain with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| CoreWeave | 84% | |
| SuperAGI | 83% | |
| LlamaIndex | 83% |
LangChain Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Oct 20, 2025 | ||||
| Series A | Feb 15, 2024 | ||||
| Seed | Apr 4, 2023 |
LangChain Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Benchmark Capital | Series B, Series A, Seed |
| Greylock Partners | Seed |
| Conviction | Series A |
| Lux Capital | Series A |
| Sequoia Capital | Series B, Series A |
| Sapphire Ventures | Series B |
| ServiceNow Ventures | Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 26, 2026
Grew 38% QoQ, from 305 to 421 employees.
- Aug 20, 2026
Partnerships with AWS, Google Cloud, and Microsoft Azure disclosed.
Recent news
Latest coverage and updates
- launchesOct 29, 2026
LangChain, Inc. adds browser control, browser tasks, human login handoff, and background helpers to Managed Deep Agents, helping workplace assistants handle website-only tasks and longer jobs; the product remains in public beta as of Oct 29th '26.
- licenses_technologyOct 22, 2026
On Oct 21st '26, DXC Technology Company is set to acquire a license from LangChain, Inc. to support the development, evaluation, and observability of OASIS agents.
- receives_financingOct 15, 2026
Private-market filings indicate that LangChain, Inc. completes a $300M Series C at a $3 billion valuation.
- has_valuationOct 15, 2026
LangChain, Inc. has a $1.25B valuation in Oct '25 after an IVP-led $125 million Series B makes it a unicorn.
- launchesSep 19, 2026
LangChain, Inc. launched Jev-as-a-Judge experiment on Sep 20th '26.
LangChain 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 LangChain's valuation, stock price, and market status.
Is LangChain a public or private company?
LangChain is a private company.
What is the current stock price of LangChain?
LangChain is a private company, so its shares have no public market price. Caplight tracks LangChain's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is LangChain worth (valuation)?
LangChain's valuation is estimated at $1.3B based on funding round data.
Can I buy LangChain stock?
LangChain shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was LangChain's last funding round?
LangChain's most recent funding round was Series B on October 20, 2025.
Who are the main investors in LangChain?
Key investors in LangChain include Benchmark Capital, Sequoia Capital, Institutional Venture Partners (IVP).
Will LangChain IPO soon?
No public IPO plans have been announced for LangChain.
How can I track LangChain secondary market activity?
Caplight tracks bids, offers, and trades in LangChain's shares on secondary markets.