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Christy Sue Manthei

Investment Adviser Representative at Fifth Third Securities, Inc.

Lansing, MICRD #5093746Dual-registered
No disclosures on record
Sourced from SEC IAPD & FINRA BrokerCheck
Years of Experience
19 yrs
Exams Passed
3

Professional summary

Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.

Christy Sue Manthei is an investment adviser representative in Lansing, MI, currently registered with Fifth Third Securities, Inc. and Ameriprise Financial Services, LLC. They have worked in the securities industry since 2007 and have been registered with 7 firms, including Comerica Securities and Fidelity Personal and Workplace Advisors. 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 Michigan.

Office

101 N Washington Square
Lansing, MI 48933

Advisors at this office: 2

Branch office as filed with FINRA, counting current advisors in the directory who work there.

Registrations & licenses

Registration type
Dual-registered
As of August 16, 2026, from the advisor's current registrations on SEC IAPD
State registrations
Investment adviser:
Michigan
Broker:
3 states and territories

Michigan, New York, North Carolina

Registration requirements vary by state and service. Contact the advisor's firm to confirm whether they can serve you.

Examinations passed
Series 66
Uniform Combined State Law Examination
Passed 5/17/2010
SIE
Securities Industry Essentials Examination
Passed 10/1/2018
Series 7
General Securities Representative Examination
Passed 10/11/2006

Financial-firm registration history

Registration history as reported to FINRA, most recent first.

Fifth Third Securities, Inc.Current
7/8/2026 – Lansing, MI
Ameriprise Financial Services, LLCCurrent
11/3/2023 – Jackson, MI
Ameriprise Financial Services, LLCCurrent
11/3/2023 – Jackson, MI
Comerica Securities
6/21/2022 – 11/3/2023Jackson, MI
Fidelity Personal AND Workplace Advisors
7/10/2020 – 3/29/2022Ann Arbor, MI
Bankers LIFE Advisory Services, Inc.
10/31/2018 – 3/26/2020Okemos, MI
LPL Financial LLC
2/13/2018 – 11/1/2018Manchester, MI
THE Huntington Investment Company
2/1/2017 – 8/3/2017Jackson, MI
LPL Financial LLC
5/18/2010 – 2/1/2017Jackson, MI

Reported employment history

Employment the advisor reported on their SEC/FINRA filings, as of October 8, 2026. It may not be a complete history.

  1. LPL Financial LLC
    Mar 2008 – Feb 2017Jackson, MI
  2. THE Huntington Investment Company
    Feb 2017 – Jul 2017East Lansing, MI
  3. LPL Financial LLC
    Feb 2018 – Oct 2018Jackson, MI
  4. Old National Bank
    Feb 2018 – Oct 2018Jackson, MI
  5. Unemployed
    Aug 2017 – Feb 2018Jackson, MI
  6. Bankers Life Securities
    Oct 2018 – Mar 2020Okemos, MI
  7. Bankers Life & Casualty
    Oct 2018 – Mar 2020Okemos, MI
  8. Fidelity Investments
    Jun 2020 – Mar 2022Ann Arbor, MI
  9. Comerica Securities, Inc.
    Jun 2022 – Nov 2023Jackson, MI
  10. Ameriprise Financial Services, LLC
    Nov 2023 – Sep 2026Jackson, MI
  11. Fifth Third Securities
    Jul 2026 – no end date reportedJackson, MI

Official records & sources

Data as of August 9, 2026 · Source: SEC IAPD & FINRA BrokerCheck

About Fifth Third Securities, Inc.

These details describe the firm overall. Individual advisors' services, clients, and fees may differ.

Fee arrangements the firm reports

  • Percentage of assets under management
Firm account minimum
$10,000

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

Financial PlanningPortfolio Management for Individuals and Small BusinessesPortfolio Management for Businesses and InstitutionsSelection of Other Advisers

Client types the firm serves

IndividualsHigh Net WorthPooled VehiclesPension/Profit SharingCharitable OrganizationsCorporations

Firm assets under management

$5B–$25B

Firm disclosures (Form ADV)
No disciplinary history reportedVerify on SEC IAPD
Advisors listed on AdvisorFinder:
950
Offices listed on AdvisorFinder:
27
Main office:
Cincinnati, OH
SEC file number:
801-63623

Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.

Form ADV data as of July 14, 2026

View full firm profile

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About this profile

This profile was compiled and published by AdvisorFinder as editorial content using publicly available information from the SEC's IAPD database and FINRA BrokerCheck. Christy Sue Manthei 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.

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Christy Sue Manthei (Fifth Third Securities) | AdvisorFinder