Stephen V. O'brien
Professional summary
Stephen V O'brien, who also goes by Stephen VIncent O'brien, Stephen V Obrien, is a registered financial professional currently at GILDER GAGNON HOWE & CO. LLC located in New York, New York.
Stephen is registered as a RR (Registered Representative) and started their career in finance in 2017. Stephen has worked at 1 firm and has passed the Series 99TO, SIE and Series 7 exams.
Question & Answer
Aliases
Other business activities
CRS (Client Relationship Summary) - BD
Click below to view Stephen V O'brien's CRS (Customer Relationship Summary).
Certified licenses
Experience
December 18, 2017 - Present
GILDER GAGNON HOWE & CO. LLC
Office #1: 475 Tenth Avenue 12th Floor, New York, NY 10018-1120Office #2: 475 Tenth Avenue, New York, NY 10018Primary Firm SEC Registration
GILDER GAGNON HOWE & CO. LLC
CRD#: 2002 / SEC#: 801-65667, 8-30196
State Registrations and Notice Filings
Listed states reflect where the advisor is authorized to serve clients under state regulations.
Visual representation of state registrations
Exams
Series 99TO
Date: 1/2/2023
Operations Professional ExaminationFINRA
NYSE American LLC
Nasdaq Stock Market
New York Stock Exchange
Current Firm
GILDER GAGNON HOWE & CO. LLC
CRD#: 2002 / SEC#: 801-65667, 8-30196
Contact information
SEC notice filing (51 States and Territories)
FINRA licenses (51 States and Territories)
Direct owners and executive officers
| Name | Position | CRD# |
|---|---|---|
| HOWE, DAVID STEWART | MANAGING MEMBER | 812707 |
| RIZAVI, SHAIZA MARIAM | CHIEF EXECUTIVE OFFICER / MANAGING MEMBER | 2874858 |
| ANDERSON, TRAVIS KNAPP | MANAGING MEMBER | 853424 |
| DEUTSCH, JAMES MICHAEL | CHIEF EXECUTIVE OFFICER/MANAGING MEMBER | 4565264 |
| MCCORMICK, MICHAEL PATRICK | MEMBER | 1857693 |
| ALI, SHAFQAT | CHIEF INFORMATION SECURITY OFFICER/MEMBER | 6009773 |
| ESPOSITO, LAURA MICHELE | CHIEF COMPLIANCE OFFICER | 6727167 |
| HUYNH, DAVID CO | CHIEF FINANCIAL OFFICER | 5443515 |
Regulatory assets under management
| Total Number of Accounts | 8,767 |
| AUM (Assets Under Management) | $ 11,604,602,601 |
Disclosures
| Regulatory Event | 5 |
Accountant surprise examination report
| Filing Date | Form ADV-E Cover | Form ADV-E Report |
|---|---|---|
| 11/14/2025 | ||
| 09/20/2024 | ||
| 11/10/2023 | ||
| 12/15/2022 |
Red Flags
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