Marcus Tobin
Investment Adviser Representative at KEY Investment Services LLC
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
Marcus Tobin is an investment adviser representative with KEY Investment Services LLC in Brunswick, NY, where they have been registered since 2024. They have worked in the securities industry since 2023 and were previously registered with Cetera Investment Advisers LLC. They have passed 3 industry qualification exams, including the Series 66 (combined investment adviser and state securities agent) and Series 7 (general securities representative). They are registered to provide investment advice in New York.
Office
Advisors at this office: 2
Branch office as filed with FINRA, counting current advisors in the directory who work there.
Registrations & licenses
- Investment adviser:
- New York
- Broker:
2 states and territories
New York, Vermont
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.
- Cetera Investment Services LLCJun 2023 – Mar 2024Saint Cloud, MN
- SUNY OswegoAug 2019 – May 2023Oswego, NY
- Price ChopperAug 2018 – Aug 2020Malta, NY
- Grecian GardensSep 2014 – Jul 2017Clifton Park, NY
- Mechanicville MHSSep 2012 – Jun 2019Mechanicville, NY
- Cetera Investment Advisers LLCDec 2023 – Mar 2024Latham, NY
- KeyBankMar 2024 – Nov 2025Troy, NY
- Key Investment Services LLCApr 2024 – Nov 2025Brooklyn, OH
- Key Investment Services LLCNov 2025 – no end date reportedBrooklyn, OH
Official records & sources
Data as of June 26, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About KEY Investment Services LLC
These details describe the firm overall. Individual advisors' services, clients, and fees may differ.
Fee arrangements the firm reports
- Percentage of assets under management
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
$5B–$25B
- Firm disclosures (Form ADV)
- Disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 638
- Offices listed on AdvisorFinder:
- 15
- Main office:
- Brooklyn, OH
- SEC file number:
- 801-65060
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of June 30, 2026
View full firm profileOther advisors at KEY Investment Services LLC
Showing 12 of 638 in the directory
This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Marcus Tobin 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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