---
title: "PostHog — Q4 2025 Engineering Signal"
url: https://signals.gitdealflow.com/startup/posthog/q4-2025
description: "PostHog engineering metrics for Q4 2025: -21% velocity change, 100 contributors, signal: Infrastructure buildout."
lastModified: 2026-04-24
source: VC Deal Flow Signal
---
# PostHog — Q4 2025 Engineering Signal

The single platform to analyze, test, observe, and deploy new features

## Signal — Q4 2025

- Commit velocity (14d): 239
- Velocity change: -21%
- Contributors: 100 (+0% growth)
- New repos (30d): 3
- Signal type: Infrastructure buildout
- Sector: Data Infrastructure
- Stage at time of snapshot: Growth
- Geography: US
- Ranked #7 of 10 in Data Infrastructure for Q4 2025

## Adjacent Periods

- Previous: [Q4 2025](https://signals.gitdealflow.com/startup/posthog/q4-2025) — +4% · Infrastructure buildout
- Next: [Q1 2026](https://signals.gitdealflow.com/startup/posthog/q1-2026) — +66% · Infrastructure buildout

## Current Profile

https://signals.gitdealflow.com/startup/posthog

## Canonical

https://signals.gitdealflow.com/startup/posthog/q4-2025