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 14 of 20

• James David OliverCRD 6196101 · Atlanta, GA
  Broker
• Joshua OllekCRD 6210957 · Charlotte, NC
  Broker
• Kirsten Gudrun OlsenCRD 2936654 · Philadelphia, PA
  IA RegisteredBroker
• Derek J OlsonCRD 7123512 · Chicago, IL
  Broker
• Emmett OmalleyCRD 7128063 · Chicago, IL
  IA RegisteredBroker
• Paul Palma OrdinarioCRD 2945843 · New York, NY
  Broker
• Neil Patrick OrourkeCRD 1990840 · Chicago, IL
  Broker
• Jesse Ole OtzenCRD 2522564 · Chicago, IL
  IA RegisteredBroker
  Disclosure event(s) on record
• Seema OutarsinghCRD 2391839 · Chicago, IL
  Broker
• Benjamin David OxleyCRD 6933895 · Chicago, IL
  IA RegisteredBroker
• Shantha OzgenCRD 2594440 · New York, NY
  Broker
• Nicholas John OlivieriCRD 8105419 · New York, NY
  Broker
• Thomas William PaceCRD 2717418 · Chicago, IL
  Broker
• Matthew Carroll PackardCRD 2321622 · Boston, MA
  Broker
• Juliana PakCRD 7937075 · New York, NY
  BrokerRegistration inactive
• Karl Anthony PalaszCRD 2274106 · Chicago, IL
  Broker
• George Falcon ParkerCRD 7715604 · Chicago, IL
  Broker
• Pedrum PartoviCRD 6496081 · London
  Broker
• Jayna PatelCRD 7758170 · New York, NY
  Broker
• Tara PatockCRD 4837047 · Chicago, IL
  Broker
• Jeffrey Scott PavlikCRD 2115131 · Chicago, IL
  IA RegisteredBroker
• Jane Elizabeth PechCRD 4493978 · Chicago, IL
  BrokerRegistration inactive
• Manoj Ratan Gupta PedamalluCRD 7926969 · Chicago, IL
  Broker
• Matthew James PekinsCRD 6691152 · Atlanta, GA
  Broker
• Cindy Ann PeppleCRD 3140301 · Baltimore, MD
  IA RegisteredBroker
• Pavlos George PetersCRD 7680890 · Chicago, IL
  Broker
• Amanda A M PetersenCRD 5005195 · Boston, MA
  Broker
• Michael PezzutoCRD 5694705 · Chicago, IL
  IA RegisteredBroker
• Aubrey Hoang-Uyen PhamCRD 8100495 · New York, NY
  Broker
• Obrian Lamb PhillipsCRD 4950968 · Chicago, IL
  IA RegisteredBroker
• Matthew Christopher PhippsCRD 6417309 · Charlotte, NC
  Broker
• Andrew Reese PierceCRD 7757939 · Charlotte, NC
  Broker
• Max Hayden PinkiertCRD 7954259 · New York, NY
  Broker
• Adam Joseph PirainoCRD 7218272 · Chicago, IL
  Broker
• Aaron Anthony PisaniCRD 4336257 · Chicago, IL
  IA RegisteredBroker
• Dominik PittroffCRD 6866357 · Frankfurt Am Main
  Broker
• Kevin Redmond PodgersCRD 6562212 · Chicago, IL
  Broker
• Voula PopeCRD 5059289 · Chicago, IL
  Broker
• David Daniel PortCRD 2428028 · Chicago, IL
  IA RegisteredBroker
• Beth Johanna Pekol PortoCRD 2915849 · Chicago, IL
  Broker
• John Stephen PothCRD 7392465 · Chicago, IL
  Broker
• Arthur R PreissCRD 6836067 · Chicago, IL
  Broker
• Casey K PreyssCRD 4272751 · Chicago, IL
  Broker
• Laura-Min Sook Kim ProctorCRD 5594765 · Chicago, IL
  IA RegisteredBroker
• Daniel PtacekCRD 6953385 · New York, NY
  Broker
• Gregory John PusinelliCRD 2429189 · Chicago, IL
  IA RegisteredBroker
• Jahnavi PydimukkalaCRD 8100539 · Chicago, IL
  Broker
• Tanvi Biren ParikhCRD 6805932 · New York, NY
  Broker
• Diogen Junior PaskaliCRD 8113055 · Chicago, IL
  IA RegisteredBroker
• Akash Kartik PatelCRD 6829450 · New York, NY
  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.