Equity Research

Capital ideas from the industry’s brightest minds.

Our award-winning equity research analysts deliver superior investment ideas and value-added perspective for over 650 companies, across seven growth-oriented sectors: consumer; energy and power technologies; financial services and technology; industrials; global services; healthcare; and technology, media, and communications. William Blair’s research universe is diversified across multiple industry verticals and a wide range of market capitalization, with an emphasis on quality business models in their emerging growth phase of development.

650+

companies under
research coverage
70%+

of coverage dedicated to small- and mid-cap growth companies
100+

analysts and research
professionals

As of September 30, 2025

William Blair analysts seek to cover only companies that have above-average growth prospects and above-average quality. They use multiple factors to identify high-quality companies with attractive growth prospects, including the company’s product line, level of service, and management experience.

Our clients include:

Mutual Funds
Investment Advisory Firms
Banks
Pension Funds
Insurance Companies
Money Managers Across North America, Europe, and Asia

Through exhaustive fundamental research and unique insight derived from independent thinking, our award-winning analysts work tirelessly to identify companies that can deliver superior investment returns for our clients.

Recent News

Friday, January 16, 2026

William Blair Initiates Coverage of Enerpac Tool Group Corp.

William Blair initiated research coverage of Enerpac Tool Group Corp., a leading manufacturer of hydraulic tooling, controlled-force equipment, and related rental and manpower services.
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Tuesday, January 13, 2026

William Blair Initiates Coverage of One Critical Mineral and Two Rare Earth Companies

William Blair initiated research coverage of IperionX Limited (IPX $43.79), Lynas Rare Earths Ltd. (LYSDY $9.79), and MP Materials Corp. (MP $62.00). IperionX is a titanium metal and critical materials company that produces high-performance titanium alloys from recycled material or minerals; Lynas Rare Earths is the leading producer of separated rare earths outside China, with Australian mining and processing operations and a major downstream plant in Malaysia; and MP Materials is the only fully integrated U.S. mine-to-magnet producer.
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Monday, January 12, 2026

Andersen Group Inc.: Initiation of Research Coverage

William Blair initiated research coverage of Andersen Group Inc. (ANDG $24.25), a leading provider of independent tax, valuation, and advisory services.
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William Blair Thinking Podcast

Navigating the current market environment demands the right informational resource. That is why we launched the William Blair Thinking Podcast, which aims to provide in-depth expertise on today's financial and economic landscape.

What's different about this platform?
It's our most timely and best ideas—the ethos, if you will, of our firm's intellectual capital. All in 20 minutes.
Our latest podcasts
William Blair Shines in 2024 Coalition Greenwich Study with 12 No. 1 Rankings

William Blair, the premier global partnership with expertise in investment banking, investment management, and private wealth management, is thrilled to announce its performance in the annual Coalition Greenwich Voice of the Client – 2024 North American Equity Investors Study.
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Featured Insights

Friday, January 16, 2026

Economics Weekly: The Labor Market May Not Be Quite as Weak as Believed

In this Economics Weekly, Richard de Chazal reexamines the labor market data and the current market narrative of an unfolding deceleration in employment growth.
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Wednesday, January 14, 2026

300 Editions of Excellence: A Framework for Quality Growth

William Blair is proud to celebrate the 300th edition of its Current Better Values list, marking 50 years of quality growth investing.
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Tuesday, January 13, 2026

300 Current Better Values: An Investment Philosophy In Motion

For nearly five decades, William Blair’s Current Better Values list has anticipated the companies shaping the future, often before the broader market sees what’s coming. An Investment Philosophy In Motion uncovers the disciplined research, enduring principles, and forward‑looking mindset that transformed a simple idea into one of the firm’s most iconic traditions.
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