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William Blair
ActiveOperating status — whether the company still runs independently. “Closed” usually means it was acquired, merged, or shut down.🔥 HighHeat score — how much recent activity & attention the company has (web traffic, news, hiring).📈 High growthGrowth score — momentum trend across web traffic, headcount and other growth signals. Chicago, Illinois, United States Founded 1935 1001-5000 employees
William Blair is a global investment banking and asset management firm.
Total Funding
Available in Pro Last Funding
Available in Pro Acquisitions
2
Investments
26
11 exits
Monthly Visits
Available in Pro Contacts
1,404
Patents
0
5 trademarks
Company Details
Funding & Financials
Pro- Total funding
- Funding rounds
- Last funding
- Last funding type
- Last funding date
- Funding status
- Total equity funding
- Revenue range
IPO & Stock
- IPO status
- Private
Web Traffic
Pro- Monthly visits
- Global traffic rank
- 6-mo avg visits
- Visit duration (s)
- Pages / visit
- Bounce rate
- Rank change (mo)
Technology & IP
- Active technologies
- 72
- Mobile apps
- 13
- Patents granted
- 0
- Trademarks
- 5
- IT spend
- $64M
Investor Activity
- Investor type
- Investment Bank, Venture Capital
- Investments
- 26
- Lead investments
- 8
- Portfolio orgs
- 22
- Exits
- 11
- Exits via IPO
- 5
- Investment stages
- Early Stage Venture, Late Stage Venture
Company Info
- Founded
- 1935
- Employees
- 1001-5000
- Operating status
- Active
- Org types
- company, investor
- Founders
- 2
- Sub-organizations
- 1
- News articles
- 485
- Events
- 7
- HQ
- Chicago, Illinois, United States
- Region
- Greater Chicago Area, Great Lakes, Midwestern US
Signals & Scores
- Heat score
- High
- Growth score
- High
- Trend (7d)
- -0.7
- Trend (30d)
- -0.6
- Trend (90d)
- 8.7
- Last leadership hire
- Jul 7, 2026
Investments by William Blair
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Acquisitions by William Blair
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Key People at William Blair
Global Head of Venture Capital & Managing Director
Senior Director, Global Head of Mergers & Acquisitions
Chief Financial Officer
Partner
Managing Director and Partner, Head of West Coast Equity Capital Markets
Managing Director, Partner
Managing Director
Wealth Advisor
Brand Marketing & Communications
Head of Aerospace & Defense Investment Banking
Managing Director
Head of Technology Investment Banking.
President & CEO
Managing Director
Managing Director
Vice Chairman
Managing Director and Head of Multi‑Strategy Sales
Managing Director & Head of Corporate Advisory
Managing Director
Investment Banking
Managing Director
Private Capital Markets
Senior Healthcare Banker
Managing Director & Partner
1,404
professional contacts at William Blair
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