William A. Costello
Professional summary
William Andrew Costello, who also goes by Andrew Costello, William A Costello, is a registered financial advisor currently at STRIDER CAPITAL, LLC located in Dallas, Texas.
William is registered as an IAR (Investment Advisor Representative) and started their career in finance in 2021. William has worked at 3 firms and has passed the Series 65, Series 63, Series 79TO and SIE exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - RIA
Click below to view William Andrew Costello's CRS (Customer Relationship Summary).
Certified licenses
Experience
November 19, 2025 - Present
STRIDER CAPITAL, LLC
March 6, 2023 - December 24, 2024
PJT PARTNERS LP
October 18, 2021 - February 14, 2023
J.P. MORGAN SECURITIES LLC
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Highlighted states indicate IAR registrations
(11/19/2025)
Exams
Series 79TO
Date: 10/16/2021
Investment Banking Registered Representative ExaminationCurrent Firm
STRIDER CAPITAL, LLC
CRD#: 310923 / SEC#:
Contact information
Regulatory assets under management
| Total Number of Accounts | 12 |
| AUM (Assets Under Management) | $ 52,897,202 |
Red Flags
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