Investment Vehicles and Who We Serve

At William Blair, we are passionate about the profession of investment management. We are an independent, 100% active employee-owned firm with no distractions from our sole priority: creating strong, risk-adjusted returns for our clients.

Go to our Investing Insights blog

About us

Over Eighty Years as an Independent Investment Firm

William Blair is committed to building enduring relationships with our clients and providing expertise and solutions to meet their evolving needs. 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, including U.S. equity, non-U.S. equity, fixed income, and multi-asset. William Blair is based in Chicago with resources in New York, London, Zurich, Sydney, Stockholm, Singapore, and The Hague, and dedicated coverage for Canada.*



William Blair offers a number of investment vehicles, including separate accounts, mutual funds, CITs, and SICAVs.
Who We Serve

Who We Serve

We provide investment solutions to corporations, pension funds, governments and public agencies, endowments, foundations, Taft-Hartley plans, and other leading institutional investors across the globe.

Our Capabilities

We are passionate about the profession of investment management. Learn more about our structure, culture, strategies, and investment processes.


Learn more about William Blair Investment Management's awards and recognitions.

ESG Integration

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


In response to Europe’s MiFID II Directive, we plan to absorb external research costs for all our clients globally.


*William Blair International (Singapore) Pte. Ltd. is regulated by the Monetary Authority of Singapore under a Capital Markets Services License to conduct fund management activities.

We are passionate about the profession of investment management.
Learn more about us