Antonios Mavrellos
Professional summary
Antonios Mavrellos, CFP®, who also goes by Antonios Maurellos, is a registered financial advisor currently at WILLIAM BLAIR located in Baltimore, Maryland.
Antonios is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 2000. Antonios has worked at 4 firms and has passed the Series 65, Series 63, SIE and Series 7 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view Antonios Mavrellos's CRS (Customer Relationship Summary).
CRS (Client Relationship Summary) - BD
Click below to view Antonios Mavrellos's CRS (Customer Relationship Summary).
Certified licenses
Experience
February 4, 2019 - Present
WILLIAM BLAIR
Office #2: 100 International Drive Suite 19000, Baltimore, MD 21202January 25, 2019 - Present
WILLIAM BLAIR
Office #1: 100 International Drive Suite 19000, Baltimore, MD 21202January 5, 2012 - January 28, 2019
BROWN ADVISORY SECURITIES, LLC
November 20, 2002 - January 28, 2019
BROWN ADVISORY SECURITIES, LLC
January 13, 2001 - December 3, 2002
DEUTSCHE BANK SECURITIES INC.
April 13, 2000 - January 13, 2001
DB ALEX. BROWN LLC
Primary Firm SEC Registration

WILLIAM BLAIR
CRD#: 1252 / SEC#: 801-688, 8-2698
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(11/11/2020)
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(11/11/2020)
(4/2/2019)
(4/3/2019)
(7/3/2019)
(11/11/2020)
(8/3/2020)
(11/11/2020)
(1/25/2019)
(2/4/2019)
(8/2/2023)
(1/25/2019)
(2/4/2019)
(11/11/2020)
(11/11/2020)
(4/23/2020)
(4/3/2019)
(11/11/2020)
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(4/2/2019)
(11/11/2020)
(9/19/2019)
(4/23/2025)
(11/11/2020)
(5/22/2019)
(3/29/2019)
(11/11/2020)
(11/11/2020)
(11/11/2020)
Exams
FINRA
Nasdaq Stock Market
New York Stock Exchange
Current Firm

WILLIAM BLAIR
CRD#: 1252 / SEC#: 801-688, 8-2698
Contact information
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 |
| DUWA, ROBERT J | EXECUTIVE COMMITTEE | 2931296 |
| GLEDHILL, BRENT WALKER | PRESIDENT, CEO | 2921069 |
| MCLAUGHLIN, SCOTT THOMAS | EXECUTIVE COMMITTEE | 2481285 |
| QUINN, MICHAEL PATRICK | EXECUTIVE COMMITTEE | 3257072 |
| RASAVONGXAY, WILLSON B | CHIEF COMPLIANCE OFFICER | 6593731 |
| SATTERFIELD, BETH A | EXECUTIVE COMMITTEE | 6011858 |
| TOLE, STEVEN ROBERT | EXECUTIVE COMMITTEE | 5885283 |
| TRIMBERGER, MICHAEL WILLIAM | 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.
