How Much Did PostHog Raise? Funding & Key Investors

Date August 22, 2025
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PostHog

COMPANY INFO

PostHog is a software development company founded in 2020 by James Hawkins and Tim Glaser. Headquartered in San Francisco, it has around 106 employees and operates in the software development industry, providing an open-source platform that equips developers to build successful products by offering tools to evaluate feature impact and customer value. The company's website is https://posthog.com.

How Much Did PostHog, Inc Raise? Funding & Rounds and Investors

PostHog, Inc is a software development company founded in 2020 by James Hawkins and Tim Glaser. Headquartered in San Francisco, PostHog operates within the business/productivity software sector and is known for providing an open-source platform that empowers developers to build successful digital products. The company offers comprehensive tools for evaluating feature impact and customer value, supporting engineering teams with robust analytics, session replay, and product-led growth features.

Since its founding, PostHog, Inc has demonstrated a steady and ambitious funding trajectory. To date, PostHog has raised a total of $119 million across six funding rounds, embodying a mix of seed, early-stage, and late-stage venture capital investments. Major milestones include rapid acceleration from initial seed funding in 2020 to a substantial Series D round in 2025. PostHog’s funding approach has strategically combined capital for product innovation, employee liquidity, and scaling operations. Key investors such as Stripe, Y Combinator, Google Ventures, and Formus Capital have played pivotal roles in fueling the company's growth and product expansion initiatives.

Funding Rounds

Series D - $70M - June 9, 2025

This late-stage round was led by Stripe, with strong participation from Y Combinator, Google Ventures, and Formus Capital. The purpose of the Series D round is to drive product expansion, especially in the realm of AI-powered customer infrastructure, and to rapidly scale business operations to meet surging demand. The round set the company's valuation at $920M.

Series C - $10M - June 9, 2025

The Series C round focused on shareholder liquidity, allowing early employees to sell shares and increasing founder control. This was a modest capital raise designed to reward long-term team members and optimize the company's cap table ahead of large-scale expansion.

Series B - $15M - June 10, 2021

This extension of the Series B was intended to accelerate growth, support ongoing product innovation, and fuel market expansion.

Series B - $12M - December 17, 2020

Another substantial Series B round, with funds primarily directed towards scaling product features and expanding into new markets.

Series A - $9M - July 2020

The Series A funding, led by Google Ventures and Y Combinator, enabled significant product development and enhancements of PostHog’s analytics capabilities.

Seed - $2.2M - March 17, 2020

PostHog’s initial seed funding supported the company’s launch, early product development, and the rapid building of its open-source platform.

Key Investors

Stripe

Stripe led the Series D funding round—its participation highlights a strong vote of confidence in PostHog’s potential to innovate in developer and customer infrastructure solutions. Stripe’s involvement brings deep industry experience in SaaS scaling and a network of strategic partners.

Y Combinator

As an early and consistent investor, Y Combinator played an instrumental role through the Seed, Series A, B, and D rounds. YC’s accelerator expertise, network, and hands-on mentorship helped shape PostHog's product philosophy and early growth.

GV (Google Ventures)

Google Ventures has been a lead or major participant in multiple funding rounds for PostHog, providing not only significant capital but also access to technical guidance, analytics expertise, and a broad ecosystem of enterprise partners.

Formus Capital

Joined in the Series D round, Formus Capital brought additional venture capital support to scale product offerings and expand PostHog’s go-to-market strategies, further strengthening the company’s investor base.

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