William Blair Investment Management

Independent, employee-owned global asset manager since 1935.

Investment management, investment banking, and private wealth · Since 1935

William Blair Investment Management at 150 N Riverside Plaza 43rd floor — a 100% active employee-owned firm founded in 1935 with about 0 billion in assets under management. Strategies include U.S. and non-U.S. equity, fixed income, multi-asset, and alternatives. Offices in New York, London, Zurich, Sydney, Stockholm, The Hague, Singapore, and Canada.

From williamblair.com — verified 2026-05-19. Check the site for current hours and details.