SGLang
PrivateLast Round
Seed
May 5, 2026
Est. Valuation
$400M
Total Funding Raised
$100M
Momentum
Top 5%
of companies Caplight tracks
Company Overview
SGLang operates in AI, Data & Cloud Infrastructure and is based in San Francisco, California. Its latest recorded funding round was a Seed round in May 2026.
RadixArk is an infrastructure-first, deep-tech company that develops large-scale inference and training systems for AI, including the open-source SGLang engine.
Sector
AI, Data & Cloud Infrastructure
Verticals
Cloud Infrastructure, AI Training Infrastructure, NLP & Conversational AI, ML Platforms
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Infrastructure
Historical Pricing
Historical view of private secondary pricing and transaction trends.
SGLang Comparables
Compare SGLang with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Xorbits | 80% | |
| Qualcomm | 79% | |
| Model Tool Chain | 79% |
For institutional investors. Book with your work email.
SGLang Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | May 5, 2026 | ||||
| Grant | Jun 26, 2025 |
For institutional investors. Book with your work email.
SGLang Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Andreessen Horowitz | Grant |
| A&E Investments | Seed |
| Walden Catalyst | Seed |
| LDV Partners | Seed |
| NVentures | Seed |
| Spark Capital | Seed |
| HOF Capital | Seed |
For institutional investors. Book with your work email.
Market signals
Structured signals derived from secondary market and firmographic data.
- May 5, 2026
$100M round led by Accel and Spark Capital
For institutional investors. Book with your work email.
Recent news
Latest coverage and updates
- launchesAug 25, 2026
SGLang launches v0.5.18 with official Qwen3.8 cookbook recipes.
For institutional investors. Book with your work email.
SGLang 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.
Book a demoFor institutional investors. Book with your work email.
Frequently Asked Questions
Common questions about SGLang's valuation, stock price, and market status.
Is SGLang a public or private company?
SGLang is a private company.
What is the current stock price of SGLang?
SGLang is a private company, so its shares have no public market price. Caplight tracks SGLang's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is SGLang worth (valuation)?
SGLang's valuation is estimated at $400.0M based on funding round data.
Can I buy SGLang stock?
SGLang shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was SGLang's last funding round?
SGLang's most recent funding round was Seed on May 5, 2026.
Who are the main investors in SGLang?
Key investors in SGLang include Spark Capital, Accel.
Will SGLang IPO soon?
No public IPO plans have been announced for SGLang.
How can I track SGLang secondary market activity?
Caplight tracks bids, offers, and trades in SGLang's shares on secondary markets.