Ryan Andrew Diepstra
Investment Adviser Representative at Centennial Securities Company Inc
Professional summary
Compiled by AdvisorFinder from public regulatory records. This advisor has not provided a personal biography.
Ryan Andrew Diepstra is an investment adviser representative with Centennial Securities Company Inc in Grand Rapids, MI, where they have been registered since 2010. They have worked in the securities industry since 2003 and were previously registered with JIM Roberts - Centennial Securities Advisory Services, LLC. They have passed 11 industry qualification exams, including the Series 65 (investment adviser), Series 7 (general securities representative), and Series 24 (general securities principal). They are registered to provide investment advice in Colorado, Florida, Indiana, and Michigan.
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:
- Colorado, Florida, Indiana, Michigan
- Broker:
10 states and territories
Arizona, Colorado, Florida, Illinois, Indiana, Michigan, New Mexico, New York, North Carolina, Washington
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.
- Centennial Securities CompanyJun 2003 – no end date reportedGrand Rapids, MI
Official records & sources
Data as of May 30, 2026 · Source: SEC IAPD & FINRA BrokerCheck
About Centennial Securities Company 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
- Under $500,0000.75%
- $500,000 – $1,000,0000.50%
- Over $1,000,0000.25%
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
$1B–$5B
- Firm disclosures (Form ADV)
- Disciplinary history reportedVerify on SEC IAPD
- Advisors listed on AdvisorFinder:
- 37
- Offices listed on AdvisorFinder:
- 5
- Main office:
- Grand Rapids, MI
- SEC file number:
- 801-106623
Counts reflect AdvisorFinder directory coverage, not necessarily the firm's complete network.
Form ADV data as of April 30, 2026
View full firm profileOther advisors at Centennial Securities Company Inc
Showing 12 of 37 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. Ryan Andrew Diepstra 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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