William J. Vlahoulis
Professional summary
William John Vlahoulis is a registered financial advisor currently at SB ADVISORY, LLC located in Mills River, North Carolina and SAN BLAS SECURITIES LLC located in Chicago, Illinois.
William is registered as an IAR (Investment Advisor Representative) and RR (Registered Representative) and started their career in finance in 1988. William has worked at 6 firms and has passed the Series 65, Series 63, SIE, Series 7 and Series 3 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view William John Vlahoulis's CRS (Customer Relationship Summary).
Certified licenses
Experience
December 1, 2025 - Present
SB ADVISORY, LLC
December 2, 2025 - Present
SAN BLAS SECURITIES LLC
Office #1: 233 S Wacker Dr Suite 4400, Chicago, IL 60606February 2, 2018 - December 12, 2025
OPPENHEIMER & CO. INC.
January 8, 2018 - December 12, 2025
OPPENHEIMER & CO. INC.
March 25, 2010 - February 1, 2018
WELLS FARGO CLEARING SERVICES, LLC
March 25, 2010 - February 1, 2018
WELLS FARGO CLEARING SERVICES, LLC
June 26, 2003 - April 8, 2010
UBS FINANCIAL SERVICES INC.
March 18, 1992 - April 8, 2010
UBS FINANCIAL SERVICES INC.
July 20, 1988 - March 11, 1992
MORGAN STANLEY DW INC.
Primary Firm SEC Registration
SB ADVISORY, LLC
CRD#: 154680 / SEC#: 801-77380
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
(12/11/2025)
(12/1/2025)
(12/12/2025)
Exams
FINRA
Current Firm
SB ADVISORY, LLC
CRD#: 154680 / SEC#: 801-77380
Contact information
SEC notice filing (47 States and Territories)
Documents
Regulatory assets under management
| Total Number of Accounts | 1,540 |
| AUM (Assets Under Management) | $ 404,771,341 |
Red Flags
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