Mitchell Aaron Ruff
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.
Mitchell Aaron Ruff is an investment adviser representative with KEY Investment Services LLC in Erie, PA, where they have been registered since 2026. They have worked in the securities industry since 2024 and were previously registered with Equitable Advisors, 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 Pennsylvania.
Office
Advisors at this office: 4
Branch office as filed with FINRA, counting current advisors in the directory who work there.
Registrations & licenses
- Investment adviser:
- Pennsylvania
- Broker:
1 state or territory
Pennsylvania
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.
- Equitable Advisors, LLCAug 2024 – Mar 2026New York, NY
- Calamari's Squid RowAug 2023 – Nov 2024Erie, PA
- Gannon UniversityAug 2020 – May 2024Erie, PA
- Waldameer and Water WorldJul 2019 – Jul 2023Erie, PA
- Gannon University Recreation and Wellness CenterJan 2022 – Apr 2022Erie, PA
- Gannon University Recreation and Wellness CenterJan 2023 – Apr 2023Erie, PA
- UPSNov 2020 – Jan 2021Erie, PA
- UnemployedAug 2014 – Jun 2019Erie, PA
- Key Investment Services, LLCApr 2026 – no end date reportedBrooklyn, OH
- KeyBankApr 2026 – no end date reportedErie, PA
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
Similar advisors in Erie, PA
Other advisors whose filed branch office is in the same city.
This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Mitchell Aaron Ruff 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.
BrokerCheck data is used subject to the FINRA BrokerCheck Terms of Use. Found something inaccurate? Report inaccurate data and we will correct any error we introduced. Errors in the underlying BrokerCheck record itself are referred to FINRA, which maintains that record.
Find the right advisor for you
Take the free 3-minute assessment to get matched with advisors who fit your goals.
Get Matched