PostHog
PrivateLast Round
Early Funding
Mar 22, 2026
Est. Valuation
$1.4B
Total Funding Raised
$183.63M
Momentum
Top 10%
of companies Caplight tracks
Company Overview
PostHog operates in AI, Data & Cloud Infrastructure and is based in San Francisco, California. Its latest recorded funding round was a Series E round in September 2025.
PostHog is a software company that provides an open-source, all-in-one platform for product engineers to build, test, measure, and ship products.
Sector
AI, Data & Cloud Infrastructure
Verticals
Business Intelligence, Customer Experience, Data Warehousing
Business Model
B2B
Customer Profile
Usage-Based SaaS, Freemium
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
PostHog Comparables
Compare PostHog with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Mixpanel | 83% | |
| OpenAI | 79% | |
| Amplitude | 78% |
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PostHog Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Early Funding | Mar 22, 2026 | ||||
| Series E | Sep 29, 2025 | ||||
| Series D | Jun 9, 2025 | ||||
| Series C | Jun 30, 2024 | ||||
| Series B | Jun 10, 2021 | ||||
Series A | Dec 17, 2020 |
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Key People
Founding team and executive leadership
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PostHog Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| SV Angel | Seed |
| GV | Series B, Series D, Series E, Series A |
| Peak XV Partners | Series E |
| Craft Ventures | Series B |
| Y Combinator | Series A, Series D, Series E, Accelerator, Seed, Series B |
| 1984 Ventures | Seed |
| Formus Capital | Series D, Series E |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 22, 2026
$100M raised in early funding.
- Mar 22, 2026
Company indicates financial self-sufficiency, no longer needing to raise capital.
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Recent news
Latest coverage and updates
- launchesNov 9, 2026
PostHog, Inc. launches PostHog Self-Driving as an open beta in July '26, with agents that analyze product data, identify issues, and create fixes through pull requests.
- receives_financingOct 21, 2026
PostHog, Inc. receives $145M in Series D financing in 2025, alongside a Series E round four months later.
- has_revenueOct 17, 2026
PostHog, Inc. is on pace to reach $100M in annual recurring revenue in 2026.
- adopts_technologyOct 17, 2026
PostHog, Inc. adopts Slack Connect through shared channels to give Technical Account Managers direct access to customer interactions and feedback, reducing information-gathering time from hours to about 15 minutes.
- launchesSep 30, 2026
PostHog, Inc. released Jeeves, an open-source reasoning model for “Jev-like” decision systems that uses chain-of-thought to improve decision quality on calibrated preference tasks, on Sep 30th '26.
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PostHog 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 PostHog's valuation, stock price, and market status.
Is PostHog a public or private company?
PostHog is a private company.
What is the current stock price of PostHog?
PostHog is a private company, so its shares have no public market price. Caplight tracks PostHog's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is PostHog worth (valuation)?
PostHog's valuation is estimated at $1.4B based on funding round data.
Can I buy PostHog stock?
PostHog shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was PostHog's last funding round?
PostHog's most recent funding round was Early Funding on March 22, 2026.
Who are the main investors in PostHog?
Key investors in PostHog include GV, Peak XV Partners, Y Combinator.
Will PostHog IPO soon?
No public IPO plans have been announced for PostHog.
How can I track PostHog secondary market activity?
Caplight tracks bids, offers, and trades in PostHog's shares on secondary markets.