StepFun
PrivateLast Round
Growth Equity
May 8, 2026
Est. Valuation
$6.5B
Total Funding Raised
$4.42B
Momentum
Top 25%
of companies Caplight tracks
Company Overview
StepFun is a an artificial intelligence company that develops large-scale language and multimodal models.
Sector
AI, Data & Cloud Infrastructure
Verticals
NLP & Conversational AI, ML Platforms, Computer Vision, Workflow Automation, Autonomous Vehicles
Business Model
B2B
Customer Profile
Usage-Based SaaS, Subscription SaaS, Freemium
AI Layer
Foundation
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
StepFun Comparables
Compare StepFun with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| MiniMax | 89% | |
| Moonshot AI | 85% | |
| Baichuan AI | 80% |
StepFun Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Growth Equity | May 8, 2026 | ||||
| Series B Extension | Jan 26, 2026 | ||||
| Series B | Dec 23, 2024 | ||||
| Series A | Feb 19, 2024 | ||||
| Angel | Jun 1, 2023 |
StepFun Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Hong Kong Investment Corporation | Growth Equity |
| ZhenFund | Angel |
| Shanghai State-owned Capital Investment | Series B |
| 5Y Capital | Series B Extension, Series B |
| Capital Today | Angel |
| Fortera Capital | Series B |
| Qiming Venture Partners | Series B Extension, Series B |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jul 28, 2026
Grew 35% QoQ, from 93 to 126 employees.
- Jul 26, 2026
Monthly visitors grew 34% MoM, reaching 401.9K.
StepFun 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 StepFun's valuation, stock price, and market status.
Is StepFun a public or private company?
StepFun is a private company.
What is the current stock price of StepFun?
StepFun is a private company with no public stock price. No recent secondary market data is available.
How much is StepFun worth (valuation)?
StepFun's valuation is estimated at $6.5B based on funding round data.
Can I buy StepFun stock?
StepFun 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 StepFun's last funding round?
StepFun's most recent funding round was Growth Equity on May 8, 2026.
Who are the main investors in StepFun?
Key investors in StepFun include Longcheer Technology, Fortera Capital, HongShan.
Will StepFun IPO soon?
No public IPO plans have been announced for StepFun.
How can I track StepFun secondary market activity?
Caplight tracks bids, offers, and trades for private companies. Visit https://www.caplight.com to monitor StepFun's secondary market activity and sign up for updates.