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Builder.io

San Francisco, CA · Founded 2018 · Privately Held (backing)

Developer of a content management system platform intended for building composable commerce, modern marketing sites, and multi-brand digital experiences. Builder.io is based in San Francisco, CA and was founded in 2018. Its last reported valuation was $1.9 billion in Dec 2025. It has raised $62.3 million.

Last reported valuation
$1.9B
Oct 2026
Priced at
—
Total raised
$62.3M
Last round
—

Builder.io key facts

as of Oct 2026
  • Developer of a content management system platform intended for building composable commerce, modern marketing sites, and multi-brand digital experiences.
  • Builder.io is valued at approximately $1.9B as of Oct 2026 (last reported valuation).
  • It has raised $62.3M; the latest was Later Stage VC in Dec 2025.
  • Notable investors include Gaingels, K5 Global, Greylock, Commerce Ventures, M12 — 25 tracked in total.
  • 1 investment vehicle was formed to buy Builder.io shares in the last 12 months, reporting $114K sold to 5 investors, per SEC Form D filings.
  • Status: Privately Held (backing).
Last reported valuation
LOW confidence
$1.9B

Builder.io's last reported valuation, Dec 2025. Nothing priced has surfaced since.

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Builder.io funding rounds

No rounds on record

No funding rounds for Builder.io are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.

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Vehicles formed to buy Builder.io shares

secondary demand · SEC Form D filings

In the last 12 months, 1 investment vehicle were formed to buy Builder.io shares, reporting $114K sold to 5 investors. Most recent filing Jan 2026.

The vehicle list — each sponsor, filing date, amount sold and investor count — is a Pro table. Unlock the 1 vehicle →

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Builder.io valuation

Builder.io's last reported valuation was $1.9 billion in Dec 2025. No priced round, secondary trade or fund mark has surfaced since.

Institutional holders and vehicles

In the last 12 months, 1 investment vehicle was formed to buy Builder.io shares, reporting $113,546 sold to 5 investors, per SEC Form D filings (most recent Jan 2026).

Builder.io investors

25 investors are on record for Builder.io, including Gaingels, K5 Global, Greylock and Commerce Ventures. By type, the record holds 10 venture capital firms, 1 family office and 1 private equity firm.

About Builder.io

Developer of a content management system platform intended for building composable commerce, modern marketing sites, and multi-brand digital experiences. The company provides a platform that helps fix content development workflow, avoids waiting on development release cycles, and improves the visuals, thereby enabling business users and developers to measure conversions and understand visitors' behavior and performance.

Sector
Information Technology
HQ
San Francisco, CA, United States
Founded
2018
Employees
148
Ownership
Privately Held (backing)

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