Griffin John Winkowski
Investment Adviser Representative at Mercer Global Advisors Inc.
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
Griffin John Winkowski is an investment adviser representative with Mercer Global Advisors Inc. in Green Bay, WI, where they have been registered since 2024. They have worked in the securities industry since 2018 and were previously registered with Orion Portfolio Solutions, LLC. They have passed 3 industry qualification exams, including the Series 65 (investment adviser) and Series 7 (general securities representative). They are registered to provide investment advice in Wisconsin.
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:
- 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.
- Raymond James & AssociatesSep 2016 – Dec 2016Chicago, IL
- Interactive Brokers GroupFeb 2017 – May 2019Chicago, IL
- Securian Financial Services IncFeb 2022 – Jun 2022St Paul, MN
- North Star FinancialFeb 2022 – Jun 2022Madison, WI
- Johnson Financial GroupJul 2020 – Jan 2022Madison, WI
- Securian Financial Services IncJan 2022 – Feb 2022St Paul, MN
- Self EmployedJun 2019 – Jun 2020Madison, WI
- Orion Advisor TechnologyJul 2022 – Jul 2024Omaha, NE
- Orion Portfolio SolutionsJul 2022 – Jul 2024Omaha, NE
- Mercer Global Advisors Inc.Jul 2024 – no end date reportedGreen Bay, WI
Official records & sources
Data as of August 9, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About Mercer Global Advisors 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
- Hourly
- Fixed fee
- Other
- Wealth Path - First $1,000,0001.30%
- Wealth Path - Next $1,000,0001.00%
- Custom Wealth / Ascend Group - First $1,000,0001.10%
- Custom Wealth / Ascend Group - Next $1,000,0001.00%
+4 more tiers on the firm profile
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:
- 740
- Offices listed on AdvisorFinder:
- 26
- Main office:
- Denver, CO
- SEC file number:
- 801-69271
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of September 17, 2026
View full firm profileOther advisors at Mercer Global Advisors Inc.
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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. Griffin John Winkowski 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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