Stream
PrivateLast Round
Series B
Mar 4, 2021
Total Funding Raised
$57.75M
Company Overview
Stream operates in AI, Data & Cloud Infrastructure and is based in Boulder, Colorado. Its latest recorded funding round was a Series B round in March 2021.
Stream is a software company that provides enterprise-grade APIs and SDKs for building in-app chat, video, and activity feeds.
Sector
AI, Data & Cloud Infrastructure
Verticals
Platform-as-a-Service, Cloud Communications, Enterprise Communication, NLP & Conversational AI
Business Model
B2B2C
Customer Profile
Usage-Based SaaS, Subscription SaaS, Freemium
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Stream Comparables
Compare Stream with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| CometChat | 91% | |
| PubNub | 83% | |
| ZEGOCLOUD | 83% |
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Stream Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Mar 4, 2021 | ||||
| Series A | Aug 14, 2020 | ||||
| Seed | Aug 9, 2017 | ||||
| Accelerator | Aug 11, 2015 |
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Stream Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Arthur Ventures | Series A, Seed |
| 01 Advisors | Series B, Series A |
| Techstars | Seed, Accelerator |
| Tahoma Ventures | Accelerator |
| Knight Capital | Series B |
| FG Angels | Accelerator |
| Social Starts | Accelerator |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Oct 17, 2025
Launched Vision Agents, an open-source framework for video AI applications.
- Mar 4, 2021
$38M round led by Felicis Ventures.
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Recent news
Latest coverage and updates
- has_revenueAug 10, 2026
Stream.io Inc reaches $43.2M in revenue in Mar '21.
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Stream 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 Stream's valuation, stock price, and market status.
Is Stream a public or private company?
Stream is a private company.
What is the current stock price of Stream?
Stream is a private company, so its shares have no public market price. Caplight tracks Stream's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Stream worth (valuation)?
Valuation information for Stream is not publicly available.
Can I buy Stream stock?
Stream shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Stream's last funding round?
Stream's most recent funding round was Series B on March 4, 2021.
Who are the main investors in Stream?
Key investors in Stream include Arthur Ventures, GGV Capital, Felicis Ventures.
Will Stream IPO soon?
No public IPO plans have been announced for Stream.
How can I track Stream secondary market activity?
Caplight tracks bids, offers, and trades in Stream's shares on secondary markets.