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
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Navigating Economic Opportunities Amid Global Shifts
Olga Bitel, partner and global strategist at William Blair, shares key insights into navigating the new reality as the global economic landscape shifts in response to the new U.S. administration’s policies, as investors face both challenges and significant opportunities.
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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.
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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$65.9+
billion in client assets
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335
Investment Management employees
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26
average years of experience for portfolio managers
As of March 31, 2025
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 manages 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.
