William Blair & Company L.L.C.

Firm record

As recorded in SEC IAPD

Firm CRD

1252

SEC number

801-688

Firm type

RIA

Assets under management

$64.3B as of Mar 31, 2026

Website

www.williamblair.com ↗

Phone

312-236-1600

Address

150 North Riverside Plaza, Chicago, IL, 60606

Advisors at this firm

987 in our index · page 7 of 20

• Matthew Roland GilmoreCRD 5743471 · Los Angeles, CA
  Broker
• Matthew T GiuntaCRD 5793364 · New York, NY
  Broker
• Christopher O GlassCRD 4538749 · Chicago, IL
  IA RegisteredBroker
• Patrick Kevin GleasonCRD 6292191 · Chicago, IL
  IA RegisteredBroker
• Timothy Mark GleasonCRD 2730169 · Chicago, IL
  IA RegisteredBroker
• Brent Walker GledhillCRD 2921069 · London
  Broker
• Tyler Patrick GloverCRD 5300070 · Chicago, IL
  IA RegisteredBroker
• Brian James GlynnCRD 6010600 · Chicago, IL
  IA RegisteredBroker
• Malcolm Lewis Sua GoCRD 7936475 · Chicago, IL
  Broker
• Jeff Thomas GoldenCRD 4557838 · Chicago, IL
  IA RegisteredBroker
• Isaac Samuel GoldmanCRD 7764447 · Atlanta, GA
  Broker
• Steven J GoldsmithCRD 3227116 · Chicago, IL
  Broker
• Justin Adam GoldsteinCRD 5237008 · New York, NY
  Broker
• Ramon GonzalezCRD 5203347 · Los Angeles, CA
  BrokerRegistration inactive
• Frederick GoodingCRD 7783218 · Chicago, IL
  Broker
• Robert Michael GordonCRD 1976806 · Chicago, IL
  Broker
• Robert GordonCRD 7926901 · New York, NY
  Broker
• Jasmyne Mary GorrellCRD 6143319 · Chicago, IL
  Broker
• Richard Donald GottfredCRD 226361 · Chicago, IL
  IA RegisteredBroker
• Nihal V GowdaCRD 7931469 · Chicago, IL
  Broker
• Romina Graiver BrodskyCRD 5057292 · London
  Broker
• Michael Brian GrantCRD 5428249 · Chicago, IL
  Broker
• Adrianna Nicole GreendykeCRD 6364636 · Chicago, IL
  Broker
• Alexander Henry GrimstadCRD 6381111 · New York, NY
  Broker
• Julie Ann GritzenbachCRD 3092727 · Chicago, IL
  IA RegisteredBroker
• Raphael Solomon GrunschlagCRD 2162450 · London
  Broker
• Alex Michael GuggisbergCRD 7766989 · Chicago, IL
  Broker
• Emily Ann GuglielmoCRD 6833542 · Chicago, IL
  IA RegisteredBroker
• Soumya GuhaCRD 7791804 · New York, NY
  Broker
• Arjun GuptaCRD 7923917 · San Francisco, CA
  Broker
• Marcello Francis GarberCRD 7813525 · New York, NY
  Broker
• James GillanCRD 5946677 · Chicago, IL
  Broker
• Shaaz GillaniCRD 6831301 · Atlanta, GA
  Broker
• Andrey GlukhovCRD 4284370 · New York, NY
  Broker
• Miles Brooks GorntoCRD 6691164 · Atlanta, GA
  Broker
• Marlivia Jahnine GreenCRD 4874402 · Baltimore, MD
  Broker
• Marc Richard HagistCRD 7572776 · Chicago, IL
  Broker
• Eason HahmCRD 5944719 · Boston, MA
  Broker
• James Heyward HamiltonCRD 5762905 · Atlanta, GA
  Broker
• James R HammackCRD 6564453 · Chicago, IL
  IA RegisteredBroker
  Disclosure event(s) on record
• James A HammanCRD 2913792 · Chicago, IL
  IA RegisteredBroker
• Ted HamstraCRD 2512146 · Denver, CO
  IA RegisteredBroker
• Lachlan Hanbury-BrownCRD 7081370 · Chicago, IL
  Broker
• Matthew HannanCRD 6956051 · New York, NY
  Broker
• Andrew Spearing HansenCRD 6808644 · Chicago, IL
  IA RegisteredBroker
• Lori Olson HansenCRD 1202039 · Chicago, IL
  IA RegisteredBroker
• William Tyler HardCRD 4858497 · Chicago, IL
  Broker
• Michael Patrick HarrellCRD 6500496 · Atlanta, GA
  Broker
• Kyle Glen HarrisCRD 2373463 · Chicago, IL
  Broker
• Syreeta HarrisCRD 6210061 · Chicago, IL
  Broker

Source & corrections

Where this page comes from

Advisor registration data on this site is reproduced from the SEC's Investment Adviser Public Disclosure (IAPD) system and FINRA's BrokerCheck. Those systems are the official records; this site is not. We do not alter the factual content of the records we reproduce.

Data compiled Aug 20, 2026. Source: ADV_BULK. Your use of BrokerCheck data reproduced here is subject to FINRA's Terms of Use.