Marc Harris Singer
Investment Adviser Representative at Mariner
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
Marc Harris Singer is an investment adviser representative with Mariner in Coral Gables, FL, where they have been registered since 2019. They have worked in the securities industry since 1985 and were previously registered with Singer Xenos Schechter Sosler Wealth Management. They have passed 8 industry qualification exams, including the Series 7 (general securities representative), Series 24 (general securities principal), and Series 63 (state securities agent). They are registered to provide investment advice in Florida.
Office
Advisors at this office: 11
Branch office as filed with FINRA, counting current advisors in the directory who work there.
Registrations & licenses
- Investment adviser:
- Florida
- Broker:
6 states and territories
Florida, Indiana, Louisiana, Utah, Virginia, Wisconsin
Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.
Financial-firm registration history
Registration history as reported to FINRA, most recent first.
Reported employment history
Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.
- Singer Xenos Wealth ManagementJan 1991 – Jun 2019Miami, FL
- Singer Xenos Securities Corp.Aug 2001 – Jun 2020Coral Gables, FL
- Physicians Investment AdvisorsJan 1990 – Jun 2019Coral Gables, FL
- Mariner Wealth AdvisorsJun 2019 – no end date reportedCoral Gables, FL
- MSEC, LLCJul 2019 – no end date reportedCoral Gables, FL
Official records & sources
Data as of June 26, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About Mariner
These details describe the firm overall. Individual advisors' services, clients, and fees may differ.
Fee arrangements the firm reports
- Percentage of assets under management
- Hourly
- Fixed fee
- Estimated blended rate
- 0.0125
- $0 - $1,000,0001.25%
- $1,000,000 - $5,000,0001.00%
- $5,000,000 - $10,000,0000.80%
- Above $10,000,0000.60%
Arrangements the firm reports on its Form ADV; this advisor may not charge every fee listed. Estimated from the firm's Form ADV — individual terms may differ. Not a quote.
Services the firm offers
Client types the firm serves
Firm assets under management
$25B+
- Firm disclosures (Form ADV)
- Disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 961
- Offices listed on AdvisorFinder:
- 99
- Main office:
- Overland Park, KS
- SEC file number:
- 801-66632
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of August 5, 2026
View full firm profileOther advisors at Mariner
Showing 12 of 961 in the directory
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This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Marc Harris Singer has not reviewed, approved, or endorsed this profile and is not responsible for its accuracy. Regulatory records change over time — always verify the current record directly on BrokerCheck or SEC.gov before making any decision. AdvisorFinder may be compensated for referrals generated through this page.
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