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 700 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.

700+

companies under
research coverage
70%+

of coverage dedicated to small- and mid-cap growth companies
110

analysts and research
professionals

As of March 31, 2026

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

Monday, May 11, 2026

Wise Group, plc: Initiation of Research Coverage

William Blair initiated research coverage of Wise Group, plc (WSE $14.50), a technology company focused on improving the cross-border payments market. Wise commenced its listing on the Nasdaq at the start of trading on May 11 and maintains a secondary listing on the London Stock Exchange.
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Monday, May 11, 2026

Arxis, Inc.: Initiation of Research Coverage

William Blair initiated research coverage of Arxis, Inc. (ARXS $35.03), a designer and manufacturer of proprietary, mission-critical electronic and mechanical components serving the aerospace, defense, and industrial technology markets.
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Monday, May 11, 2026

Madison Air Solutions Corporation: Initiation of Research Coverage

William Blair initiated research coverage of Madison Air Solutions Corporation (MAIR $42.20), which manufactures and sells a variety of solutions focused on air quality, air safety, and energy efficiency.
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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

Monday, May 11, 2026

From Code to Clinic: How AI Is (and Isn’t) Rewriting the Life of a Drug

In this episode of William Blair Thinking Presents, Matt Larew, partner and equity research analyst covering life science tools and diagnostics, explains where AI is accelerating early discovery, why wet‑lab validation still matters, and what real progress looks like as adoption moves from hype to practice.
Listen to the podcast
Monday, May 11, 2026

Tracking the $8 Billion Alzheimer’s Disease Diagnostics Market

As new Alzheimer’s therapies emerge, diagnostics are becoming an essential infrastructure for screening, treatment decisions, and ongoing monitoring.
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Friday, May 8, 2026

Economics Weekly: Curb Your Enthusiasm (for a Housing Recovery)

In this Economics Weekly, Richard de Chazal examines the U.S. housing market and discusses its opportunities and challenges in the year ahead.
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