Investment Management
William Blair Investment Management employs disciplined, analytical research processes across a wide range of strategies, including U.S. equity, non-U.S. equity, and emerging markets debt.
Recent Insights
About Us
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.
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, including U.S. equity, non-U.S. equity, and emerging markets debt. William Blair is based in Chicago with global resources providing expertise and solutions to meet our clients’ evolving needs.
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.
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Consultants
Our senior relationship managers—who average more than 28 years of experience*—are committed to providing the highest quality service to the investment consultant community.
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Foundations and Endowments
Building on our long tradition of serving not-for-profit organizations and their boards, we provide a broad range of investment strategies to 145 endowments and foundations*.
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Public Funds
We have deep experience working with government-sponsored plans and their consultants to help them meet participants’ needs, and oversee more than $23.7 billion* in assets for public pension plans.
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Corporations
Through customized investment strategies for corporations and their defined-contribution and defined-benefit plans, we oversee more than $15 billion* in assets for corporations across numerous industries.
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Financial Institutions
Based on a philosophy of building enduring partnerships, we have a long history of working with financial institutions.
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Financial Advisors
We offer actively managed mutual funds across a wide range of strategies, including U.S. equity, global equity, emerging markets debt, fixed income, and global macro.
*As of September 30, 2024
William Blair Investment Management, LLC offers a number of investment vehicles, including separate accounts, mutual funds, CITs, and SICAVs.
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Separate Accounts
William Blair provides customized management of separate accounts across U.S. and non-U.S. strategies.
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Collective Investment Trusts
CITs are pooled investing vehicles through which assets of qualified clients (which include only employee benefit plans governed by ERISA and certain government-sponsored entities) are commingled for investment purposes. CITs offer qualified retirement plan sponsors help controlling costs due to increased regulatory scrutiny of fees and costs.
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See how our deep-conviction strategies can help you meet your investment needs.
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Global Equity
Global Leaders
Global Leaders Concentrated
Global Leaders Sustainability
International Leaders
International Leaders Concentrated
International Leaders ADR
International Growth
International Small Cap Growth
Emerging Markets Leaders
Emerging Markets Leaders Concentrated
Emerging Markets Growth
Emerging Markets Small Cap Growth
Emerging Markets ex-China Growth
China A-Shares Growth
China Growth -
Why We Invest Shapes How We Invest
Culture is more than the ethos that characterizes our organization; it’s the engine that guides our practices. Our people are defined by their shared values and curiosity. Our approach is defined by teamwork; a disciplined, proven methodology; and technology-enhanced collaboration. Our purpose is defined by a focus on our clients and communities. But don’t take our word for it. See what culture means to our colleagues.
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$74.8+
billion in client assets
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340
Investment Management employees
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25
average years of experience for portfolio managers
As of September 30, 2024
Client asset disclosures
Our Active Approach
At William Blair, clients turn to us for an enhanced approach to active management. This approach consists of autonomous teams with shared values operating in an environment in which investment professionals can thrive. A strong foundation gives each team the freedom and resources to engage in high-conviction investing in the pursuit of long-term alpha.
Learn more about our active approach
William Blair Funds
William Blair Funds manages $14.1 billion in assets (as of September 30, 2024) through actively managed mutual funds across a wide range of strategies, including U.S. equity, non-U.S. equity, and emerging markets debt.
Learn about the William Blair FundsSICAV Funds
For non-U.S. citizens or residents, William Blair offers a series of Luxembourg-domiciled SICAV products that provide active management and quality growth investment expertise across markets and asset classes.
Learn about our SICAV FundsAwards and Recognition
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Ward Sexton and Dan Crowe Named to Euro Stars 2024
Ward Sexton, CFA, partner, portfolio manager on William Blair’s Small Cap Growth and Small-Mid Cap Core strategies, and Dan Crowe, CFA, partner, portfolio manager on William Blair’s Small-Mid Cap Growth and Small-Mid Cap Core strategies, have been listed among Europe’s top fund managers in Citywire’s Euro Stars 2024 list.
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