# PostHog funding: rounds and investors > PostHog has raised $145M across 2 rounds since 2025. Investors include Stripe, Y Combinator and SV Angel. Every round with its source. Source: https://millionrounds.com/company/posthog (Millionrounds; every figure on the page links to its filing or article) United States · [Series E startup](https://millionrounds.com/companies) # Who invested in *PostHog* 2 rounds we have observed, with the 8 investors named in them. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it. AI Big Data & Analytics Developer Tools Open Source Y Combinator: W20 Follow PostHog and see its new rounds in your feed. [Start following](https://millionrounds.com/login?join=1&why=follow&next=%2Fcompany%2Fposthog) Funding summary Updated 5 Nov 2026 **$145M** raised across 2 rounds since 2025, from 2 sources **$70M** Series D **$75M** Series E - **Latest round:** Series E, $75M Sept 2025 - **Investors:** 8 (1 led) See who backed them ## The funding story Each circle is a round, placed by date and sized by amount. The line above is the running total. 2026 **$70M** Series D **$75M** Series E - **First round:** Series D, $70M - **Biggest round:** $75M - **Between rounds:** 3 months [**PostHog** Analytics 1 / 15 Their pitch deck **PostHog's pitch deck, 15 slides** Each slide read for what it argues, against the decks that raised at the same stage.](https://millionrounds.com/decks/posthog) ## The rounds - **Sept 2025** Series E **$75M** *4 new* *2 returning* [Y Combinator](https://millionrounds.com/fund/y-combinator) [SV Angel](https://millionrounds.com/fund/sv-angel) [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) [Peak XV](https://millionrounds.com/fund/peak-xv) [Stripe](https://millionrounds.com/fund/stripe) [1984 Ventures](https://millionrounds.com/fund/1984-ventures) Source recorded - **Jun 2025** Series D **$70M** *4 new* [Stripe](https://millionrounds.com/fund/stripe) Lead [Y Combinator](https://millionrounds.com/fund/y-combinator) [Google Ventures](https://millionrounds.com/fund/gv) [Formus Capital](https://millionrounds.com/fund/formus-capital) Reported by Crunchbase News ## Who was in which round The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led. **Series D** 2025 **Series E** 2025 [Stripe](https://millionrounds.com/fund/stripe) L [Y Combinator](https://millionrounds.com/fund/y-combinator) [SV Angel](https://millionrounds.com/fund/sv-angel) [Google Ventures](https://millionrounds.com/fund/gv) [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) [Peak XV](https://millionrounds.com/fund/peak-xv) [1984 Ventures](https://millionrounds.com/fund/1984-ventures) [Formus Capital](https://millionrounds.com/fund/formus-capital) ## Everyone who backed them [Stripe](https://millionrounds.com/fund/stripe) Company **2** rounds, led 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) Accelerator **2** rounds [SV Angel](https://millionrounds.com/fund/sv-angel) VC firm **1** round [Google Ventures](https://millionrounds.com/fund/gv) Corporate VC **1** round [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) VC firm **1** round [Peak XV](https://millionrounds.com/fund/peak-xv) VC firm **1** round [1984 Ventures](https://millionrounds.com/fund/1984-ventures) VC firm **1** round [Formus Capital](https://millionrounds.com/fund/formus-capital) VC firm **1** round Missing a round, or an investor who was in one? [Tell us](https://millionrounds.com/corrections?slug=posthog). ## Also claim to have backed them These 6 firms list PostHog as a portfolio company on their own websites, but no report of a round names them. They are the firms' own claims, kept apart from the rounds above. [Avra](https://millionrounds.com/fund/avra) VC firm Per its own site [Julia DeWahl](https://millionrounds.com/fund/julia-dewahl) VC firm Per its own site [Valkyrie](https://millionrounds.com/fund/valkyrie-2) VC firm Per its own site [AI Grant](https://millionrounds.com/fund/ai-grant) Accelerator Per its own site [BitcoinFi Accelerator](https://millionrounds.com/fund/bitcoinfi-accelerator) Accelerator Per its own site [Scout Analytics](https://millionrounds.com/fund/scout-analytics) Investment firm Per its own site ## Quick answers about PostHog ### Who invested in PostHog? PostHog's investors include Stripe, Y Combinator, SV Angel, Google Ventures and Liquid 2 Ventures, and 3 more on record. ### How much has PostHog raised? PostHog has raised $145M across 2 rounds since 2025. ### When did PostHog last raise? PostHog's most recent round was a Series E of $75M in Sept 2025. ### What was PostHog's biggest round? Its most recent round, $75M in Sept 2025, is also its largest on record. ### Who backed PostHog first? PostHog's first round on record, in Jun 2025, was backed by Stripe, Y Combinator and Google Ventures and 1 others. ### What stage is PostHog at? PostHog's latest named round is a Series E, in Sept 2025. ### Where is PostHog based? PostHog is based in the United States. ### Who led PostHog's rounds? Stripe led the Series D in 2025. ## Companies like PostHog In the same sector, and raised in the last eighteen months. [**Journify** $12M · Nov 2026](https://millionrounds.com/company/journify)[**Laza Medical** $160M · Nov 2026](https://millionrounds.com/company/laza-medical)[**Nooks** $543M · Nov 2026](https://millionrounds.com/company/nooks)[**e2e** $8.0M · Nov 2026](https://millionrounds.com/company/e2e)[**Applied Compute** $580M · Nov 2026](https://millionrounds.com/company/applied-compute)[**Guava** $13M · Nov 2026](https://millionrounds.com/company/guava) ## Find investors like these Search every investor by what they have actually funded, then narrow to your stage and market. Free. Open the investor searchOr these rounds in the app