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 4 of 20

• John William CultraCRD 2276099 · Chicago, IL
  IA RegisteredBroker
• John William CultraCRD 7941836 · Chicago, IL
  IA RegisteredBroker
• Barbara Jean CummingsCRD 1122319 · Boston, MA
  IA RegisteredBroker
• Kevin Charles CunninghamCRD 6490875 · Chicago, IL
  Broker
• Benjamin William CurtisCRD 2647176 · San Francisco, CA
  Broker
• Steven CurtisCRD 5951752 · New York, NY
  Broker
• Anne Elizabeth CusickCRD 4143462 · Chicago, IL
  IA RegisteredBroker
• Michael David CustarCRD 4806895 · New York, NY
  Broker
• John A CutlerCRD 2740052 · Chicago, IL
  IA RegisteredBroker
• Anne Katherine CallahanCRD 7766526 · Chicago, IL
  IA RegisteredBroker
• Donald Edmond CarnickyCRD 7395154 · Boston, MA
  Broker
• Abraham CarterCRD 7797444 · Chicago, IL
  IA RegisteredBroker
• Daniel John CollinsCRD 7954842 · Chicago, IL
  IA RegisteredBroker
• Samuel Brent CooperCRD 8144486 · Chicago, IL
  IA RegisteredBroker
• Hardin Moore CouncillCRD 7128053 · New York, NY
  Broker
• Charles CreameanCRD 7940168 · Chicago, IL
  Broker
• Roberto Raphaelo D'oraziCRD 2634569 · Chicago, IL
  Broker
• Anil K DakaCRD 5949944 · Chicago, IL
  IA RegisteredBroker
• Shannon DaleyCRD 7700596 · New York, NY
  Broker
• Aparna DangCRD 5682508 · Los Angeles, CA
  Broker
• Ryan Scott DanielsCRD 4488718 · Chicago, IL
  Broker
• Julien DarmonCRD 4869408 · London
  Broker
• Daniel Gerard DaulCRD 2410402 · Chicago, IL
  Broker
• Christopher R DavisCRD 6609524 · Atlanta, GA
  IA RegisteredBroker
• Harrison Elijah DavisCRD 5932533 · Chicago, IL
  Broker
• Charlotte Lynn DavorenCRD 2068570 · Chicago, IL
  IA RegisteredBroker
• Richard Anthony De ChazalCRD 4734019 · London
  Broker
• Giovanna Rose De LilloCRD 7926727 · Chicago, IL
  Broker
• Charles Richard DeasonCRD 5575827 · Charlotte, NC
  Broker
• Kyle L DempseyCRD 7175254 · Chicago, IL
  IA RegisteredBroker
• Dana Judish DenizmanCRD 2307601 · Chicago, IL
  Broker
• Jackson P DenniesCRD 8130473 · Chicago, IL
  IA RegisteredBroker
• Edgardo Javier DevarielCRD 6783988 · Chicago, IL
  IA RegisteredBroker
• Teresa Marie DevereuxCRD 1052982 · Chicago, IL
  IA RegisteredBroker
• James F Devins IIICRD 1034140 · Boston, MA
  IA RegisteredBroker
  Disclosure event(s) on record
• Ryan Jacob DevoreCRD 3049671 · Chicago, IL
  IA RegisteredBroker
• Eike Jan DickmannCRD 6715966 · Frankfurt Am Main
  Broker
• Jose Alejandro DiezCRD 7700618 · Chicago, IL
  Broker
• Gianni Luigi DimeglioCRD 4702472 · Stamford, CT
  IA RegisteredBroker
• Neal David DingmannCRD 2436430 · Chicago, IL
  Broker
• Michael D DipalmaCRD 5311096 · Chicago, IL
  Broker
• Nikolay P DjibankovCRD 5029899 · New York, NY
  IA RegisteredBroker
• Chloe DobbsCRD 7700623 · Chicago, IL
  Broker
• Joel A DobbsCRD 5951146 · Atlanta, GA
  IA RegisteredBroker
• Zachary Jon DombrowskiCRD 6369176 · Boston, MA
  Broker
• Jaime DominguezCRD 5880924 · Chicago, IL
  Broker
• Samantha DonovanCRD 7537125 · Chicago, IL
  Broker
• Rachel Ann DormanCRD 4929365 · Chicago, IL
  Broker
• Jeff Scott DorsheimerCRD 5668426 · Boston, MA
  Broker
• Jonathan Edward DorsheimerCRD 4494157 · Boston, MA
  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.