PostHog, a San Francisco, CA-based SaaS startup building a suite of tools for product engineers, has raised $75 million in a Series E round at a $1.4 billion valuation.
Investors
The round was led by Peak XV Partners, with participation from existing investors.
Peak XV Partners (formerly Sequoia Capital India & SEA) is a venture capital firm investing across India, Southeast Asia, and beyond. The firm manages over $9 billion in capital across 13 funds and has invested in more than 400 companies.
PostHog Use of Funds
The company plans to enhance its suite of tools and launch new products that provide deeper product performance insights and developer-focused features.
About PostHog
Founded in 2020 by James Hawkins and Tim Glaser, PostHog is building a Product OS—an all-in-one suite of tools for product engineers to create successful products. Its open-source SaaS platform integrates analytics, feature flags, session replay, data warehousing, error tracking, and AI-powered automation. The platform empowers product and engineering teams with a unified view of user behavior while enabling workflow automation, including email communication and customer support responses.
Funding Details
Company: PostHog, Inc.
Raised: $75.0M
Round: Series E
Funding Date: September 2025
Lead Investor: Peak XV Partners
Additional Investors: Existing investors (including Y Combinator, GV, Stripe, Formus Capital)
Company Website: https://posthog.com/
Software Category: SaaS / Developer Tools / Analytics
Source: https://www.entrepreneur.com/en-in/news-and-trends/posthog-becomes-unicorn-with-usd-75-mn-funding-led-by-peak/497732