Gustav Maris Langford
Investment adviser representative at Siebert Advisornxt, LLC.
19 yearsExperience
1 stateRegistered in
$391.5MFirm assets
9 yearsFirm in business
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How the firm charges
Fee types in the public filing. This advisor may not use all of them.
Percentage of assets
Services the firm offers
These describe the firm as a whole, not only this advisor.
- Portfolio management
Experience
19 years in the industry.
- Siebert Advisornxt, LLC.Apr 2018 to now
- Muriel Siebert & Co., IncOct 2017 to now
- Stockcross Financial Services, Inc.Jan 2007 to Dec 2017
Exams passed
- Series 63 · Uniform Securities Agent State Law1997
State registrations
Registered as an investment adviser representative in 1 state (CA).
Siebert Advisornxt, LLC.
$391.5MAssets managed
973Clients
41Advisers
9 yearsIn business
Official records
SEC data as of Sep 29, 2026. Registrations and firm details can change; confirm current status on the SEC's Investment Adviser Public Disclosure (opens in a new tab) site.
- Individual CRD
- 2941330
- Firm CRD
- 288572