About William Blair Investment Management 

William Blair is committed to building enduring relationships with our clients. We work closely with private and public pension funds, insurance companies, endowments, foundations, and sovereign wealth funds, as well as financial advisors. We are 100% active-employee owned with broad-based ownership. Our investment teams are solely focused on active management and employ disciplined, analytical research processes across a wide range of strategies. William Blair is based in Chicago with global resources providing expertise and solutions to meet our clients' evolving needs.

Firm Highlights

  • Fundamentally driven approach to actively managed investing
  • Experienced, long-tenured investment professionals
  • Independent and employee-owned firm

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ESG Integration Philosophy

At William Blair, we consider environmental, social, and corporate governance (ESG) to be one of many considerations that inform our investment decisions.

Learn more about our Corporate Social Responsibility Overview

Learn about our policies around ESG considerations

Read our approach to climate change


Contact Us

To learn more about William Blair, you may want to visit our corporate website.


As referenced above, "William Blair" refers to William Blair Investment Management, LLC.