TT
Thomas N. Thibeault
WILLIAM BLAIR
PHOENIX, MD
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CRD#: 2101765
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Professional summary
Thomas Nelson Thibeault, who also goes by Thomas Thibeault, is a registered financial advisor currently at WILLIAM BLAIR located in Phoenix, Maryland.
Thomas is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1994. Thomas has worked at 7 firms and has passed the Series 63, Series 65, SIE, Series 7 and Series 53 exams.
Question & Answer
Are you a "fiduciary"?
Yes
Aliases
Thomas Thibeault
Other business activities
Outside business activity is any business or activity undertaken by an advisor that is outside the scope of their relationship with their firm (e.g., consulting services, real estate, freelance work, teaching, etc.). Investors should stay informed about these activities to ensure no conflicts of interest.
The advisor shows no other business activity.
CRS (Client Relationship Summary) - RIA
Click below to view Thomas Nelson Thibeault's CRS (Customer Relationship Summary).
CRS (Client Relationship Summary) - BD
Click below to view Thomas Nelson Thibeault's CRS (Customer Relationship Summary).
Certified licenses
Advisors may have various certifications and credentials from different organizations. AdvisorCheck highlights these seven certifications - AIF®, CFP®, ChFC®, CFA, CLU®, CIMA®, CPWA®
NoneExperience
Current
May 1, 2026 - Present
WILLIAM BLAIR
Office #2: 100 International Drive Suite 19000, Baltimore, MD 21202RIA
BD
CRD#: 1252
PHOENIX, MD
Current
May 1, 2026 - Present
WILLIAM BLAIR
Office #1: 100 International Drive Suite 19000, Baltimore, MD 21202RIA
BD
CRD#: 1252
Baltimore, MD
Past
October 16, 2009 - May 1, 2026
CHAPIN, DAVIS
RIA
CRD#: 28116
BALTIMORE, MD
Past
October 16, 2009 - May 1, 2026
CHAPIN, DAVIS
BD
CRD#: 28116
BALTIMORE, MD
Past
January 24, 2007 - October 6, 2009
UBS FINANCIAL SERVICES INC.
BD
CRD#: 8174
HUNT VALLEY, MD
Past
December 15, 2006 - October 6, 2009
UBS FINANCIAL SERVICES INC.
RIA
CRD#: 8174
HUNT VALLEY, MD
Past
November 11, 2003 - November 6, 2006
MOUNT VERNON ASSOCIATES INC
RIA
CRD#: 107099
BALTIMORE, MD
Past
January 13, 2001 - July 24, 2003
DEUTSCHE BANK SECURITIES INC.
BD
CRD#: 2525
NEW YORK, NY
Past
August 23, 1999 - July 24, 2003
DEUTSCHE BANK SECURITIES INC.
RIA
CRD#: 2525
BALTIMORE, MD
Past
September 1, 1997 - January 13, 2001
DB ALEX. BROWN LLC
BD
CRD#: 17790
BALTIMORE, MD
Past
February 8, 1994 - September 1, 1997
ALEX. BROWN & SONS INCORPORATED
BD
CRD#: 20
Primary Firm SEC Registration
This SEC-registered firm can serve clients nationwide. Some states may require the firm to submit a notice filing if the firm has more than 5 clients or a physical office there. You can view these state-level filings under the section titled "State Registrations and Notice Filings".
WILLIAM BLAIR
WILLIAM BLAIR | WILLIAM BLAIR & COMPANY L.L.C. | WILLIAM BLAIR & COMPANY
CRD#: 1252 / SEC#: 801-688, 8-2698
RIA
Registered Investment Advisory firm - SEC (12/24/1947 Approved)BD
Broker-Dealer Firm Regulated by FINRA (Chicago district office)
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
IAR
means the advisor is registered as an Investment Advisor Representative in this state and is authorized to provide investment advice to clients there.RR
indicates the advisor is registered as a Registered Representative in this state, allowing them to offer securities such as stocks, bonds, and mutual funds through a broker-dealer.Visual representation of state registrations
RR
California(5/1/2026)
RR
Colorado(5/1/2026)
RR
Connecticut(5/1/2026)
IAR
Connecticut(5/1/2026)
RR
Delaware(5/1/2026)
RR
District of Columbia(5/1/2026)
RR
Maryland(5/1/2026)
IAR
Maryland(5/1/2026)
RR
New York(5/1/2026)
RR
North Carolina(5/1/2026)
RR
Ohio(5/1/2026)
RR
Oregon(5/1/2026)
RR
Pennsylvania(5/1/2026)
RR
Texas(5/1/2026)
RR
Virginia(5/1/2026)
Exams
State Security Law Exam
State Security Law Exam
General Industry/Product Exam
General Industry/Product Exam
Principal/Supervisory Exam
SRO Registrations
RR
FINRA
SRO Registrations
RR
NYSE American LLC
SRO Registrations
RR
NYSE Texas, Inc.
SRO Registrations
RR
Nasdaq Stock Market
SRO Registrations
RR
New York Stock Exchange
Current Firm
WILLIAM BLAIR
WILLIAM BLAIR | WILLIAM BLAIR & COMPANY L.L.C. | WILLIAM BLAIR & COMPANY
CRD#: 1252 / SEC#: 801-688, 8-2698
RIA
Registered Investment Advisory firm - SEC (12/24/1947 Approved)BD
Broker-Dealer Firm Regulated by FINRA (Chicago district office)
PREMIUM
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Contact information
Main Address
The William Blair Building 150 North Riverside, Chicago, IL 60606
Mailing Address
The William Blair Building 150 North Riverside, Chicago, IL 60606-1594
Phone number
(312) 236-1600
Established
Delaware since 10/30/1995
Firm type
Limited Liability Company
Fiscal year end
December
Firm Size
Large
# of Employees
469
SEC notice filing (53 States and Territories)
FINRA licenses (53 States and Territories)
Documents
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| WBC HOLDINGS, L.P. | HOLDING COMPANY | |
| CITARDI, CISSIE | EXECUTIVE COMMITTEE, GENERAL COUNSEL | 6642613 |
| DEVORE, RYAN JACOB | EXECUTIVE COMMITTEE | 3049671 |
| GLEDHILL, BRENT WALKER | PRESIDENT, CEO | 2921069 |
| KENDALL, ROBERT DANIEL | EXECUTIVE COMMITTEE | 2765873 |
| MCLAUGHLIN, SCOTT THOMAS | EXECUTIVE COMMITTEE | 2481285 |
| RASAVONGXAY, WILLSON B | CHIEF COMPLIANCE OFFICER | 6593731 |
| SATTERFIELD, BETH A | EXECUTIVE COMMITTEE | 6011858 |
| TOLE, STEVEN ROBERT | EXECUTIVE COMMITTEE | 5885283 |
| TRIMBERGER, MICHAEL WILLIAM | EXECUTIVE COMMITTEE, CFO | 5329834 |
| ZIMMER, MATTHEW MONTGOMERY | EXECUTIVE COMMITTEE | 4157826 |
Regulatory assets under management
| Total Number of Accounts | 37,973 |
| AUM (Assets Under Management) | $ 58,329,726,421 |
Disclosures
| Regulatory Event | 29 |
| Arbitration | 2 |
| Bond | 1 |
Red Flags
Disclosures can be potential red flags, including customer disputes, regulatory fines, employer terminations, bankruptcies, judgments, liens, or certain criminal activities.
Check for any disclosures as part of your thorough research when choosing an advisor.
