About Bun
Bun is a company based in San Francisco (United States) founded in 2019 by Jarred Sumner was acquired by Anthropic in December 2025. Bun has raised $7 million across 1 funding round from investors including Anthropic, Kleiner Perkins and Johannes Schickling. Bun operates in a competitive market with competitors including Xamarin, Progress, Azul Systems, Posit and Qt Group, among others.
- Headquarter San Francisco, United States
- Founders Jarred Sumner
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Sectors
Technology
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Phone
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Website
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Social
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Funding Insights of Bun
Bun has successfully raised a total of $7M through 1 strategic funding round. The most recent funding activity was a Seed round of $7 million completed in August 2022. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding Total Funding
- Total Rounds 1
- Last Round Seed — $7.0M
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First Round
First Round
(24 Aug 2022)
- Investors Count 2
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Aug, 2022 | Amount | Seed - Bun | Valuation | Kleiner Perkins |
Investors in Bun
Bun has secured backing from 3 investors, including venture fund, angel, and institutional investors. Prominent investors backing the company include Anthropic, Kleiner Perkins and Johannes Schickling.
| Investor | Description | Founded Year | Domain | Location |
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Venture capital firm investing in early-stage tech startups
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Founded Year | Domain | Location | |
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AI models and chatbots are offered for industry applications.
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Founded Year | Domain | Location | |
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JS
Johannes Schickling |
Angel investor and entrepreneur, co-founder of Prisma, focused on tech startups
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Founded Year | Domain | Location |
Investments & Acquisitions by Bun
Financial Statements - Bun
Bun Comparisons
Competitors of Bun
Bun operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Xamarin, Progress, Azul Systems, Posit and Qt Group, among others.
| Company Name | Domain | Founded year | HQ Location | Description |
|---|---|---|---|---|
| domain | founded_year | HQ Location |
Cross-platform application development tools are provided by Xamarin.
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| domain | founded_year | HQ Location |
IDE-based software is provided for application development and management.
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| domain | founded_year | HQ Location |
IDE based app development platform
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| domain | founded_year | HQ Location |
Open-source data science tools are developed for teams and enterprises.
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| domain | founded_year | HQ Location |
Cross-platform user interface and application development for desktop and embedded platforms
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| domain | founded_year | HQ Location |
IDE-based cloud application development and automation solutions are offered.
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Latest news on Bun
Frequently Asked Questions about Bun
Bun was founded in 2019 and raised its 1st funding round 3 years after it was founded.
Bun is headquartered in San Francisco, United States. It is registered at San Francisco, California, United States.
Jarred Sumner is the current CEO of Bun. They have also founded this company.
Bun is a funded company, having raised a total of $7M across 1 funding round to date. The company's 1st funding round was a Seed of $7M, raised on Aug 24, 2022.
Bun was founded in 2019 in San Francisco, United States, as an IDE-based toolkit for JavaScript and TypeScript application development. Runtime, bundler, test runner, and package manager functionalities are integrated to facilitate project development, testing, bundling, and execution. APIs are provided for common development tasks within the software sector. Operations are centered in the United States.
Bun's top competitors include Posit, Azul Systems and Xamarin.
Bun has 3 investors. Key investors include Anthropic, Kleiner Perkins, and Johannes Schickling.