This entity has not been resolved onto another DFX graph by a shared identifier. A name match elsewhere would be a candidate, never an identity, and none is recorded.

Current firm

WILLIAM BLAIR & COMPANY L.L.C.

Current firm class

broker-dealer affiliated wealth managerderived

Book size

not publicno per-advisor AUM is published by the SEC, FINRA or IAPD, and DFX estimates none

Industry start

Jul 24, 1992earliest registration or exam on IAPD

Years in industry

34derivedfrom the industry start date

Years at current firm

26derivedfrom the current registration's begin date

Current registrations

1

Registered states

1

Exams

S63|S65

First exam

Jul 24, 1992

Dual registered

yes, broker-dealer

Other names

JONATHAN GORMAN COOK|J GORMAN COOK|JONATHAN GORMAN COOK|JONATHAN GORMAN COOK

IAPD individual key

867653

Graph

RIA / Wealth Management

Canonical id

dfx:ria:4a1dd365-fecd-eae0-10d7-85ef3e1d9aab

First observed

Jul 24, 1992

Last observed

Sep 15, 2026 3 days ago

Source families

Federal regulator filings

1 registered feed stand behind this record; each fact above carries its own dates and, where the publisher serves one, its document.

Resolution

Identity across graphs by shared identifier (CRD, CIK, EIN, ADV fund id, individual CRD) or citation; a name match is shown as a candidate and never merged.