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 5 of 20

• Anthony Joseph DoteCRD 717433 · Chicago, IL
  Broker
• Brian Paul DrabCRD 4980998 · Chicago, IL
  Broker
• Josephine Redwine DrakeCRD 7765497 · New York, NY
  Broker
• John Ryan DuaneCRD 5688327 · Charlotte, NC
  Broker
• Christopher DudaCRD 7754563 · Chicago, IL
  Broker
• Dennis Andrew DuffCRD 5457171 · Chicago, IL
  IA RegisteredBroker
• Todd DummettCRD 7122469 · Chicago, IL
  Broker
• Jamie DunhamCRD 4348795 · New York, NY
  Broker
• Russel Bruce DunlapCRD 5940110 · Chicago, IL
  Broker
• Edward James DunphyCRD 2304109 · Chicago, IL
  IA RegisteredBroker
• Robert Anthony DurkinCRD 2464479 · Boston, MA
  Broker
• Robert J DuwaCRD 2931296 · Chicago, IL
  IA RegisteredBroker
• Clarence Connor DarrowCRD 7149454 · Chicago, IL
  IA RegisteredBroker
• Matt S DezortCRD 7334304 · Chicago, IL
  Broker
• Daniel DisalvioCRD 6704490 · New York, NY
  Broker
• Bertrand William DonnesCRD 5994366 · Chicago, IL
  Broker
• Andrew DotenCRD 6536301 · Chicago, IL
  IA RegisteredRegistration inactive
• Truman DunkleyCRD 8158406 · Chicago, IL
  Broker
• Mitchell Gallin DwyerCRD 8102596 · Chicago, IL
  Broker
• Eleanor Teresa DykeCRD 8134535 · Chicago, IL
  Broker
• Karen M EamesCRD 6493943 · Boston, MA
  IA RegisteredBroker
• Brian A EarlyCRD 5424180 · Chicago, IL
  IA RegisteredBroker
• Joseph Magee EberleCRD 1389320 · Chicago, IL
  Broker
• Ranul Kalanaka EdirrisingheCRD 6806778 · London
  Broker
• Christopher J EganCRD 2573045 · Chicago, IL
  BrokerRegistration inactive
• Jonathan EichstadtCRD 7754600 · Chicago, IL
  Broker
• Kevin Robert EifertCRD 7407274 · Chicago, IL
  IA RegisteredBroker
• Kevin Thomas EiseleCRD 5909382 · Chicago, IL
  Broker
• Kate ElishaCRD 7128034 · Chicago, IL
  IA RegisteredBroker
• Stephen Edward ElkinsCRD 77040 · Chicago, IL
  IA RegisteredBroker
  Disclosure event(s) on record
• Ariel Yehuda ElulCRD 5816451 · Atlanta, GA
  Broker
• William Gregory EscamillaCRD 1442271 · Chicago, IL
  IA RegisteredBroker
  Disclosure event(s) on record
• Ma Michaela De Castro EscobarCRD 4504148 · Chicago, IL
  Broker
• John Roger EttelsonCRD 1319236 · Chicago, IL
  Broker
• Kathleen EvansCRD 3256351 · Chicago, IL
  IA RegisteredBroker
• Ryan Joseph EisenbathCRD 7199844 · Chicago, IL
  Broker
• Natalie Monroe EnglishCRD 7984101 · Chicago, IL
  Broker
• Gerard Reilly ErhardtCRD 7617307 · Charlotte, NC
  Broker
• Patrick FaganCRD 2730474 · Boston, MA
  Broker
• Stephen FahyCRD 4998405 · New York, NY
  BrokerRegistration inactive
• Annemarie Lita FalanikoCRD 6199463 · Chicago, IL
  Broker
• Elliot Gerald FarkasCRD 4857927 · Chicago, IL
  Broker
• Jean-Lin Guillaume FavreCRD 6776268 · London
  Broker
• Ethan FeiginCRD 7926439 · Boston, MA
  Broker
• Brent William FelittoCRD 1987540 · Chicago, IL
  Broker
• Dirk Peter FelsmannCRD 6147783 · Frankfurt Am Main
  Broker
• Simon John Paul FennellCRD 2931490 · London
  Broker
• Alexander S FernbergerCRD 5887023 · Flourtown, PA
  IA RegisteredBroker
• James Moyer FernbergerCRD 866552 · Rydal, PA
  IA RegisteredBroker
• Zachary Edward FernbergerCRD 6245321 · Bryn Mawr, PA
  IA RegisteredBroker

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.