# Announcing Chainguard's Series D: Building the Safe Source for All Open Source

DevFeed: [Announcing Chainguard's Series D: Building the Safe Source for All Open Source](<https://devfeed.tech/articles/announcing-chainguard-s-series-d-building-the-safe-source-for-all-open-source-12883.md>)

Original publisher: [Read original article](<https://www.chainguard.dev/unchained/announcing-chainguards-series-d-building-the-safe-source-for-all-open-source>)

Published: 2025-04-23T00:00:00Z

Content type: article

Language: en

Sources: [Chainguard: Unchained](<https://devfeed.tech/sources/chainguard-unchained.md>)

Topics: [supply-chain-security](<https://devfeed.tech/topics/supply-chain-security.md>), [open-source-security](<https://devfeed.tech/topics/open-source-security.md>), [container images](<https://devfeed.tech/topics/container-images.md>), [Containers](<https://devfeed.tech/topics/containers.md>), [chainguard libraries](<https://devfeed.tech/topics/chainguard-libraries.md>), [GitHub](<https://devfeed.tech/topics/github.md>)

Tags: [chainguard](<https://devfeed.tech/tags/chainguard.md>), [chainguard-containers](<https://devfeed.tech/tags/chainguard-containers.md>), [chainguard-libraries](<https://devfeed.tech/tags/chainguard-libraries.md>), [container-images](<https://devfeed.tech/tags/container-images.md>), [container-security](<https://devfeed.tech/tags/container-security.md>), [containers](<https://devfeed.tech/tags/containers.md>), [funding](<https://devfeed.tech/tags/funding.md>), [fundraising](<https://devfeed.tech/tags/fundraising.md>), [git](<https://devfeed.tech/tags/git.md>), [github](<https://devfeed.tech/tags/github.md>), [hardening](<https://devfeed.tech/tags/hardening.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [open-source-security](<https://devfeed.tech/tags/open-source-security.md>), [safe-source-for-open-source](<https://devfeed.tech/tags/safe-source-for-open-source.md>), [security](<https://devfeed.tech/tags/security.md>), [series-d](<https://devfeed.tech/tags/series-d.md>), [software-supply-chain-security](<https://devfeed.tech/tags/software-supply-chain-security.md>), [supply-chain](<https://devfeed.tech/tags/supply-chain.md>), [testing](<https://devfeed.tech/tags/testing.md>), [valuation](<https://devfeed.tech/tags/valuation.md>)

## AI overview

Chainguard announces a $356 million Series D round at a $3.5 billion valuation to advance its mission of securing the open source supply chain. The company describes growth in its Containers product and explains how the Chainguard Factory builds, patches, updates, tests, and hardens packages and repositories. It also announces Chainguard VMs and Chainguard Libraries.

## Source excerpt

Chainguard has raised $356M of Series D funding at a $3.5B valuation. See how we are building the safe source for all open source.