United States · 
Who invested in PostHog?
PostHog's investors include Stripe, Y Combinator, SV Angel, Google Ventures and Liquid 2 Ventures, and 3 more on record.
2026
$70MSeries D$75MSeries E
United States · Series E startup
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.
Y Combinator: W20
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Funding summaryUpdated 5 Nov 2026
$145Mraised across 2 rounds since 2025, from 2 sources
$70MSeries D$75MSeries E
- Latest round
- Series E, $75MSept 2025
- Investors
- 8 (1 led)
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Series D, $70M Jun 2025
- Biggest round
- $75M Series E · Sept 2025
- Between rounds
- 3 months from the last two
PostHogAnalytics1 / 15Their pitch deckPostHog's pitch deck, 15 slidesEach slide read for what it argues, against the decks that raised at the same stage.→The rounds
- Sept 2025Series E$75M4 new2 returning
Source recorded
- Jun 2025
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 D2025Series E2025
StripeL
Y Combinator
SV Angel
Google Ventures
Liquid 2 Ventures
Peak XV
1984 Ventures
Formus Capital
StripeLY CombinatorSV AngelGoogle VenturesLiquid 2 VenturesPeak XV1984 VenturesFormus CapitalEveryone who backed them
Missing a round, or an investor who was in one? Tell us.
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.
Julia DeWahlVC firmPer its own site
Quick answers about PostHog
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.
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