Mary Robbins is a registered investment advisor at Five Mile River Investment Management, LLC, based in Petaluma, CA, with 6 years of industry experience. Mary operates on a fee-only basis, meaning they do not earn commissions from product sales. Their practice areas include High Net Worth, Investment Management, Retirement Planning. Their firm serves 96 clients with $82M in assets under management.

Compensation
Fee-Only (% of Portfolio)
Firm Size
3 advisors
Number of Clients
96 clients
Average Client Portfolio
$858K average
Assets Under Management
$82.4M

Fee Structure

Minimum Investment:$500K
Investment management only (planning not offered)
Portfolio-Based Fees (Tiered)
Portfolio ValueAnnual Fee
Up to $5.0M1.00%
$5.0M - $10.0M0.75%
$10M+0.50%

Fees are negotiable with an account inception amount of $20,000,000 or greater.

Fee Estimator
Your Portfolio Value
$500K
$0$500K$1M$5M$20M
Estimated Annual Fee
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Location

Petaluma, CA

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History

Regulatory History
Clean regulatory record

No disclosures, customer disputes, or regulatory actions on file.

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Other Business Activities

Mary is the agent and sole member of Spalding Endurance LLC, which focuses on athletic coaching, sponsorships, and operating an equestrian vacation rental property. She dedicates minimal time to this business, primarily on nights and weekends.

Employment History
Current Registrations
Five Mile River Investment Management, LLC
September 2025 - Present · 8 mos
Previous Registrations
Fifth Third Wealth Advisors LLC
January 2023 - August 2025 · 2 yrs 7 mos
Franklin Street Advisors INC.
September 2016 - September 2017 · 1 yr
J.P. Morgan Securities LLCBroker
December 2015 - September 2016 · 9 mos
Franklin Street Advisors INC.
December 2013 - July 2015 · 1 yr 7 mos
State Registrations7 states
AZCACTFLNCSCTX
Advisor

You can work with an advisor not registered in your state. Most advisors can legally serve a small number of clients across state lines without registering.

Exams
No exam information available for this advisor.