John Langston
Advisor at Robertson Investment Management
Data sourced from SEC public records (and other sources when available). Some details may be added by the advisor after claiming their profile. Refreshed daily • Updated today.
Advisor at Robertson Investment Management
Data sourced from SEC public records (and other sources when available). Some details may be added by the advisor after claiming their profile. Refreshed daily • Updated today.
Location
Houston, TX 77056
Credentials
Series 63, Series 65
Industry experience
37 years
John Langston is a financial advisor at Robertson Investment Management in Houston, TX, with 37 years of industry experience. He holds Series 63 and Series 65 licenses and has worked at firms including Network 1 Financial Securities, Inc., Osaic Wealth, Inc., and Securities America, Inc. since 2018. Robertson Investment Management serves individuals, families, trusts, pensions, banks, and corporations, offering portfolio management, financial planning, corporate finance, private placements, and multi-family office services. The firm employs a combination of fundamental, technical, and cyclical analysis across various equity strategies and alternative investments, often managing accounts under discretionary authority and utilizing third-party managers when appropriate.
Based on Robertson Investment Management
Based on Robertson Investment Management
$0 - $2,000,000: 2.00% $2,000,001 - $5,000,000: 1.75% $5,000,001 - $25,000,000: 1.50% $25,000,001 - $75,000,000: 1.25% $75,000,001 - $100,000,000: 1.00% $100,000,001 - $250,000,000: 0.90% $250,000,001 - $450,000,000: 0.75% $450,000,001+: Negotiable
Account minimum: $250,000 Fee-only: Private Client Planning fees negotiable; range from 0.10% to 1.00% per annum on Assets Under Advisement, annual retainer up to $500,000, initial fee up to $100,000; Corporate Finance fees negotiable ranging from $75,000 to $2,500,000 per annum
5120 Woodway, Suite 9029
Houston, TX 77056
Texas
Network 1 Financial Securities, Inc.
2025 - Present (1 year)
OSAIC
2024 - 2025 (1 year)
Securities America, Inc.
2019 - 2024 (5 years)
Robertson Wealth Management, Llc.
2018 - Present (8 years)
First Allied Advisory Services, INC.
2012 - 2019 (7 years)
First Allied Securities
2004 - 2019 (15 years)
Exclamation point means they have disclosures of this type. Check mark means no disclosures of this type were found.
Is active or affiliated with:
Insurance agent
They sell insurance products and may earn commissions on those sales.
Broker-dealer / trader
They provide brokerage services and may earn transaction-based compensation in addition to advisory fees.
Other specialized services
They may provide services such as pension consulting or municipal advisory work, typically for separate fees.
Is not active or affiliated with:
Bank
They're affiliated with a bank that may offer its own financial products and services.
Trust company
They provide trust and estate administration services, typically for separate fees.
Fund sponsor
They manage or sponsor investment funds and may earn management or performance-based fees if clients invest in them.
Accountant / CPA / tax prep
They offer tax and accounting services, typically for separate fees.
Lawyer
They provide legal services, typically billed separately.
Real estate agent
They facilitate real estate transactions and may earn commissions.
Not sure where to start?
We'll help you think it through – whether you ultimately need an advisor or not.
Warmer provides personalized recommendations and introductions to independent fiduciary advisors. We do not supervise advisors, manage or hold assets, guarantee performance, or provide advice about specific investments.
Each advisor listed on our site is an independent fiduciary responsible for their own advice. Warmer may receive fees from advisors for participation or referrals; these fees are paid by advisors and do not affect the fees clients pay for advisory services.
For advisor listings, we rely on sources including public filings and data provided by advisors, and we cannot guarantee that all information is current or accurate. Please review an advisor's Form ADV and do your own diligence before entering into an advisory relationship.
By using our service, you agree to Warmer's Terms of Service and Advisory Agreement and Privacy Policy. Logos provided by Logo.dev
© 2026 Warmer Holdings Inc. ("Warmer")