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 16 of 20

• William RyanCRD 2563544 · Chicago, IL
  IA RegisteredBroker
• Jacob RadenbaughCRD 7130274 · Chicago, IL
  Broker
• Ayad RahmanCRD 7297722 · Los Angeles, CA
  Broker
• Garrett Michael ReadCRD 6547679 · Boston, MA
  BrokerRegistration inactive
• Daniel ReissCRD 6832998 · New York, NY
  Broker
• Christopher John RemisCRD 6877744 · Chicago, IL
  IA RegisteredBroker
• Alden Miles RichardsCRD 7393878 · Charlotte, NC
  Broker
• Zachary James RiddleCRD 7504370 · Chicago, IL
  Broker
• Nathalie A. RitterCRD 8156260 · Zurich
  Broker
• Dylan RogersCRD 8277201 · Boston, MA
  Broker
• Thomas Michael RogersCRD 6999320 · Baltimore, MD
  IA RegisteredBroker
• John P RyanCRD 6587711 · Chicago, IL
  Broker
• Michael John RyanCRD 7829300 · Chicago, IL
  Broker
• Michael Huesgen SaboCRD 5322907 · Chicago, IL
  Broker
• Adell SabovicCRD 7930031 · New York, NY
  Broker
• Jonathan Tyler SackettCRD 6544493 · New York, NY
  IA RegisteredBroker
• Trevor R SahrCRD 7130463 · Chicago, IL
  Broker
• Victor Armando SanchezCRD 7140790 · Chicago, IL
  IA RegisteredBroker
• Bryce Raymond SandbergCRD 7142327 · Chicago, IL
  Broker
• Jordan Alfred SarnieCRD 7301322 · New York, NY
  Broker
• Beth A SatterfieldCRD 6011858 · Chicago, IL
  Broker
• Michael SawickiCRD 7526396 · Chicago, IL
  Broker
• Ralph Edward SchackartCRD 4332772 · Chicago, IL
  Broker
• Debra Lynn SchalkCRD 1592235 · Chicago, IL
  Broker
• Joseph Andrew SchauenbergCRD 5382046 · Chicago, IL
  Broker
• Jordan Peter ScheerCRD 5823960 · Atlanta, GA
  Broker
• Madelyn P SchillerCRD 5809172 · Chicago, IL
  BrokerRegistration inactive
• Edward Fowlkes SchlesingerCRD 7268490 · Charlotte, NC
  Broker
• Ivan SchmidtCRD 7526425 · Chicago, IL
  Broker
• Jeffrey Paul SchmittCRD 5232717 · Chicago, IL
  Broker
• Jean Margaret SchneiderCRD 1284277 · Glendside, PA
  IA RegisteredBroker
• Alec Cade SchraderCRD 8101039 · Charlotte, NC
  Broker
• Brian Scott SchultzCRD 1434259 · Chicago, IL
  IA RegisteredBroker
• Matthew Joseph SchultzCRD 2929572 · Los Angeles, CA
  Broker
• Amanda Jean SchwartzCRD 5734924 · Chicago, IL
  BrokerRegistration inactive
• Jacob SchwartzCRD 7756761 · Chicago, IL
  Broker
• Mitchell SchwinkendorfCRD 7619343 · Chicago, IL
  Broker
• Jessica Edythe ScimeCRD 5315897 · New York, NY
  IA RegisteredBroker
• Davide SciutoCRD 7016900 · London
  Broker
• James Montgomery ScottCRD 8101043 · San Francisco, CA
  Broker
• Hugo P Scott-GallCRD 4798930 · London
  Broker
• Alexander Bruce ScullCRD 6218812 · Stamford, CT
  IA RegisteredBroker
• Brian Francis ScullionCRD 4064402 · Chicago, IL
  Broker
• Peter Nicholas SebrechtsCRD 6670802 · Chicago, IL
  Broker
• Ralph Marvin SegallCRD 1829733 · Chicago, IL
  IA Registered
• Hayden K SellersCRD 7756198 · New York, NY
  Broker
• Neal Leonard SeltzerCRD 418670 · Chicago, IL
  Broker
• Rishi SethiCRD 5567475 · London
  Broker
• Ward Dillon SextonCRD 3095736 · Chicago, IL
  Broker
• David ShaknoCRD 7410288 · 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 21, 2026. Source: ADV_BULK. Your use of BrokerCheck data reproduced here is subject to FINRA's Terms of Use.