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Back to The Report
Developer Tools

Weights & Biases

Weights & Biases Raises $200M Series C

$200M Series C
Total Raised
2017
Founded
200-350
Employees
San Francisco, CA
Updated October 23, 2025
2 min read

Quick Facts

Valuation
$1.25B

Weights & Biases Raises $200M Series C

Machine learning operations platform for tracking experiments, visualizing results, and collaborating on ML projects

Key Highlights

  • Funding Amount: $200M Series C
  • Valuation: $1.25B
  • Headquarters: San Francisco, CA
  • Founded: 2017
  • Employees: 200-350
  • Total Raised: $250M

About the Funding Round

Weights & Biases has successfully closed $200M Series C in funding, marking a significant milestone in the company's growth trajectory. This investment will enable the company to accelerate product development, expand market reach, and strengthen its position in the developer tools sector.

Investor Syndicate

The round was backed by a prestigious group of investors:

  • Insight Partners
  • Coatue
  • Battery Ventures

This diverse group of investors brings not only capital but also strategic expertise and valuable networks that will help Weights & Biases achieve its ambitious goals.

Market Opportunity

The developer tools market continues to experience rapid growth, driven by increasing demand for innovative solutions and digital transformation across industries. Weights & Biases's unique approach and proven technology position it well to capture significant market share in the coming years.

Company Background

Founded in 2017 and headquartered in San Francisco, CA, Weights & Biases has established itself as an innovative player in the developer tools space. With 200-350 employees, the company has built a strong team focused on delivering exceptional value to customers.

Next Steps

With this new funding, Weights & Biases plans to:

  • Accelerate product development and innovation
  • Expand into new markets and geographies
  • Grow the team across engineering, sales, and operations
  • Strengthen partnerships with key industry players
  • Scale infrastructure to support rapid growth

Industry Impact

This funding round represents a strong vote of confidence in Weights & Biases's vision and execution. The investment will help drive innovation in the developer tools sector and create new opportunities for customers and partners.


For more information about Weights & Biases, visit their website or contact their press office.

Key Investors

Insight Partners
Venture Capital
Global software investor
Coatue
Strategic Investor
Technology-focused investment firm
Battery Ventures
Venture Capital
Global technology investment firm

Topics

CA(1700)Venture Capital(911)Series(545)Developer Tools(289)Funding Round

About the Author

David Chen
David Chen
Technology investment researcher specializing in enterprise software and infrastructure deals at top-tier venture funds.

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