PostHog

Private

Open-source product analytics platform that combines event tracking, session replay, feature flags, A/B testing, surveys, error monitoring, and a data warehouse into a single integrated tool for product engineers. Y Combinator W20 batch.

Founders James Hawkins

CEO James Hawkins

Company

Founded

2020

Headquarters

San Francisco, United States

Financials

Total Funding

$172M

Last Valuation

$1.4B

Sectors

SaaS Developer Tools Data & Analytics

posthog.com Twitter Blog

Funding History

5 rounds

Series E Sep 29, 2025

$75M

Valuation: $1.4B

Peak XV Partners (Lead) Stripe GV Y Combinator

Series D Jun 16, 2025

$70M

Valuation: $920M

Stripe (Lead) GV Y Combinator Formus Capital

Series B Jun 10, 2021

$15M

Y Combinator (Lead) GV

Series A Dec 17, 2020

$9M

GV (Lead) Y Combinator

Seed Apr 26, 2020

$3M

Y Combinator (Lead) 1984 Ventures

Funding data is compiled from multiple independent sources including company announcements, press coverage, and regulatory filings. While we strive for accuracy, amounts and dates may reflect reported figures at time of announcement.