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 18 of 20

• Angela Marie SwansonCRD 5149292 · Chicago, IL
  Broker
• Michael Philip SwierczewskiCRD 6860019 · Chicago, IL
  Broker
• Dylan SwimmerCRD 8101085 · Los Angeles, CA
  Broker
• Matthew Carlisle SykesCRD 2736522 · New York, NY
  Broker
• Sophie F SalminiCRD 7912663 · New York, NY
  Broker
• Michael Robert SarazenCRD 7421291 · Chicago, IL
  IA RegisteredBroker
• Alec SassCRD 7398122 · New York, NY
  Broker
• Dustin G ScaringeCRD 7151885 · Boston, MA
  Broker
• Lisa ShakeCRD 5303347 · Chicago, IL
  IA RegisteredBroker
• Anne Lillian ShannonCRD 7115525 · New York, NY
  Broker
• Parth Jagat SharmaCRD 7491922 · London
  Broker
• Shaan Kumar SharmaCRD 7756252 · Chicago, IL
  Broker
• Patrick T SheererCRD 7156055 · Chicago, IL
  Broker
• Avtansh SrivastavaCRD 6208036 · Chicago, IL
  Broker
• Samuel Bartlett SteeleCRD 6843781 · New York, NY
  BrokerRegistration inactive
• Eric Raymond StemperCRD 7969531 · Chicago, IL
  Broker
• Bernard Alan StumpfCRD 6567212 · Chicago, IL
  Broker
• Stephen Edward SturekCRD 7092829 · Chicago, IL
  Broker
• John Xavier TabetCRD 8040658 · Chicago, IL
  IA RegisteredBroker
• Joseph Leonard S TabetCRD 1409164 · Chicago, IL
  IA RegisteredBroker
• Charles Francis TagliaferriCRD 8101089 · New York, NY
  Broker
• Daniel Haruki TakagiCRD 5511191 · Chicago, IL
  Broker
• Katherine Mary TannerCRD 7758168 · New York, NY
  Broker
• Hilario Esteban TapiaCRD 2711292 · Chicago, IL
  Broker
• Liam Blair-Ronald TaskerCRD 7759382 · Chicago, IL
  Broker
• Oliver Nicholas TaylorCRD 7922654 · Chicago, IL
  Broker
• Robert Matthew TaylorCRD 5488249 · Chicago, IL
  BrokerRegistration inactive
• Watson Robbins TaylorCRD 5289751 · Atlanta, GA
  Broker
• Gianluca TedeschiCRD 6818136 · London
  Broker
• Na'im Ruben TemlockCRD 7781619 · Chicago, IL
  IA RegisteredBroker
• Evan Paul TenutaCRD 8137784 · Chicago, IL
  Broker
• Kacie TeutebergCRD 6663496 · Chicago, IL
  Broker
• Thomas Nelson ThibeaultCRD 2101765 · Baltimore, MD
  IA RegisteredBroker
• Thomas Nelson ThibeaultCRD 6071966 · Chicago, IL
  IA RegisteredBroker
• Vivian Lin ThurstonCRD 6220074 · Chicago, IL
  Broker
• James ThwaiteCRD 6826869 · Atlanta, GA
  Broker
• Zhihao TianCRD 8192356 · Chicago, IL
  Broker
• Zeb Stewart TiltonCRD 7929705 · Chicago, IL
  Broker
• Samuel James TinagliaCRD 2267877 · Chicago, IL
  Broker
• Corey Scott TobinCRD 2777874 · Chicago, IL
  Broker
• Sarah Elizabeth TobolskiCRD 6178351 · Chicago, IL
  IA RegisteredBroker
• Steven Robert ToleCRD 5885283 · Chicago, IL
  Broker
• Michael William TrimbergerCRD 5329834 · Chicago, IL
  Broker
• August TruesdaleCRD 6902432 · San Francisco, CA
  Broker
• Alexander Arthur TruglioCRD 6074774 · Chicago, IL
  Broker
• William Britton TrukenbrodCRD 2810858 · Chicago, IL
  Broker
• David Ashley TuckerCRD 4680843 · Chicago, IL
  IA RegisteredBroker
• Rustam TuranovCRD 7321631 · Charlotte, NC
  Broker
• Kevin TurnerCRD 8176052 · New York, NY
  Broker
• Jackson James TworekCRD 6983744 · 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.