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John William Cultra

Investment adviser representative at William Blair & Company L.L.C.
10 yearsExperience
1 stateRegistered in
$64.3BFirm assets
78 yearsFirm in business

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How the firm charges

Fee types in the public filing. This advisor may not use all of them.

Percentage of assetsFixed or flat fee

Services the firm offers

These describe the firm as a whole, not only this advisor.

  • Financial planning
  • Portfolio management

Experience

10 years in the industry.

  1. William BlairJun 2024 to now
  2. Unemployed, TravelApr 2024 to Jun 2024
  3. Epic SystemsAug 2023 to Apr 2024
  4. Full Time StudentAug 2019 to May 2023
  5. Jaco Management, Inc.Jun 2019 to Jan 2022
  6. Lagrange Country ClubJun 2015 to Aug 2024
  7. Full Time StudentDec 2014 to May 2019

Exams passed

  • Series 66 · Uniform Combined State Law2025

State registrations

Registered as an investment adviser representative in 1 state (IL).

William Blair & Company L.L.C.

$64.3BAssets managed
38,171Clients
329Advisers
78 yearsIn business

Official records

SEC data as of Sep 29, 2026. Registrations and firm details can change; confirm current status on the SEC's Investment Adviser Public Disclosure (opens in a new tab) site.

Individual CRD
7941836
Firm CRD
1252
Advisor's SEC record (opens in a new tab)
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