William Blair & Company L.L.C.
● SEC registered since 1947CRD 1252SEC# 801-688Chicago, IL
Ranks #245 of 6,004 private fund managers by regulatory AUM.
Reg. AUM
$64.28B
Fund GAV
$114.7M
Private funds
21
Employees
492
Accounts
39,781
Location
Chicago, IL
William Blair & Company L.L.C. assets under management
William Blair & Company L.L.C. is an SEC-registered investment adviser based in Chicago, IL. The firm has been registered since 1947. It reports $64.3 billion in regulatory assets under management and employs 492 people. William Blair & Company L.L.C. manages 21 private funds with combined gross assets of $114.7 million, including William Blair Mb Investments, L.P. - Vmi 2021 Series. By regulatory assets, it ranks 245 of 6,004 private fund managers.
William Blair & Company L.L.C. private funds
21 funds · $114.7M GAV| Fund | Type | Gross assets | Min. |
|---|---|---|---|
| William Blair Mb Investments, L.P. - Vmi 2021 Series | Private Equity | $20.7M | $100K |
| William Blair Mb Investments, L.P. - Ugsi 2021 Series | Private Equity | $14.2M | $100K |
| William Blair Mb Investments, L.P. - Fici 2022 Series | Private Equity | $9.7M | $100K |
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Join to unlock · $37/moWilliam Blair & Company L.L.C. owners & executives
12 reported| Name | Title | Ownership | Since |
|---|---|---|---|
| Beth A Satterfield Control | Executive Committee | Under 5% | 2023 |
| Brent Walker Gledhill Control | President, Ceo | Under 5% | 2009 |
| Cissie Citardi Control | Executive Committee, General Counsel | Under 5% | 2021 |
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Join to unlock · $37/moFrequently asked questions
How much does William Blair & Company L.L.C. manage?
William Blair & Company L.L.C. reports $64.3 billion in regulatory assets under management on its Form ADV.
How many private funds does William Blair & Company L.L.C. manage?
William Blair & Company L.L.C. manages 21 private funds with combined gross assets of $114.7 million.
How many employees does William Blair & Company L.L.C. have?
William Blair & Company L.L.C. reports 492 employees.
Where is William Blair & Company L.L.C. located?
William Blair & Company L.L.C. is based in Chicago, IL and has been SEC-registered since 1947.
Does William Blair & Company L.L.C. disclose fund performance?
William Blair & Company L.L.C. is not required to publicly disclose fund returns. Form ADV filings include assets, ownership, and service providers, shown above.
Contact & registration
| Address | 150 North Riverside Plaza, Chicago, IL 60606 |
| Phone | 312-236-1600 |
| Fax | 312-551-4646 |
| Office hours | 8:30 a.m. To 4:30 p.m. |
| SEC region | Chicago Regional Office (CHRO) |
| CIK | 12518 |
| Discloses disciplinary history | Yes |
Regulatory AUM
$64.28B▲ 10%
Mar '25Form ADV, monthlyJun '26
How this firm compares
Regulatory AUMTop 2%
Larger than 98% of 16,271 advisers
AUM vs fund managersTop 4%
Larger than 96% of 6,004 private-fund managers
Number of fundsTop 11%
More funds than 89% of fund managers
EmployeesTop 2%
More than 98% of 16,825 advisers
Assets under management
$64.28Bregulatory AUM
Discretionary $58.08BNon-discretionary $6.21B
Service providers
Auditor
Administrator