Gian Costeniero has been an investment adviser representative at Warren Street Wealth Advisors since February 2026, and is not listed among the firm’s executive officers or direct owners.
Warren Street Wealth Advisors, LLC is an Irvine, CA firm with $656M under management, 461 clients and 7 advisers across 4 offices, as of its March 2026 filing.
Gian Costeniero’s longest registration was 20 years at The Ayco Company, L.P. (2004–2025). Before joining Warren Street Wealth Advisors in 2026, Gian Costeniero was registered through The Ayco Company, L.P.
- – present · under a yearIrvine, CA · Adviser representative · Firm CRD 173447
- – · under a yearIrvine, CA · Adviser representative · Firm CRD 173447
- The Ayco Company, L.P.– · 20 yearsNewport Beach, CA · Adviser representative · Firm CRD 106693
Investment adviser representative registrations
Gian Costeniero is registered as an investment adviser representative in California, since February 2026.
- CaliforniaSince 4 February 2026
Examinations
| Exam | Name | Passed |
|---|---|---|
| Series 3 | National Commodity Futures Examination | 14 December 2020 |
| SIE | Securities Industry Essentials Examination | Credited |
| Series 66 | Uniform Combined State Law Examination | 4 February 2004 |
| Series 7 | General Securities Representative Examination | 6 October 2003 |
- Name
- National Commodity Futures Examination
- Name
- Securities Industry Essentials Examination
- Name
- Uniform Combined State Law Examination
- Name
- General Securities Representative Examination
- Full name
- Gian Kristiano Costeniero
- CRD
- 4691970
- Firm
- Warren Street Wealth Advisors · CRD 173447
- Office
- 200 SPECTRUM CENTER DRIVE, SUITE 300, Irvine, CA 92618
- Registration
- Investment adviser registration
- In the industry since
- January 2004
- Disciplinary history
- Not yet shown here · SEC record
Where does Gian Costeniero work?
Gian Costeniero is an investment adviser representative registered through Warren Street Wealth Advisors, LLC since February 2026, and is not listed among the firm’s executive officers or direct owners.
Is Gian Costeniero a financial advisor?
Yes. Gian Costeniero has a current investment-adviser registration in California, through Warren Street Wealth Advisors since February 2026.
How many years of experience does Gian Costeniero have?
Gian Costeniero has 22 years in the financial industry, since January 2004, across 2 adviser firms.
What exams has Gian Costeniero passed?
Gian Costeniero has passed 3 licensing exams: the Series 7, Series 66 and Series 3. The earliest, the Series 7, was passed in October 2003. FINRA credited Gian Costeniero with the SIE, which began in October 2018.
Where did Gian Costeniero work before Warren Street Wealth Advisors?
Before Warren Street Wealth Advisors, Gian Costeniero was registered through The Ayco Company, L.P., February 2004 to January 2025.
Where is Gian Costeniero based?
Gian Costeniero’s registered office is in Irvine, CA.
Is Gian Costeniero registered with FINRA?
No. Gian Costeniero has no current broker registration.
How can I verify Gian Costeniero’s record?
Search CRD 4691970 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Gian Costeniero’s full registration record.