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Mark Grywacheski, portrait

Mark Grywacheski

Investment adviser representative at Quad-Cities Investment Group in Davenport, IA

Investment adviser registrationUpdated

Mark Grywacheski is an investment adviser representative at Quad-Cities Investment Group, LLC, an investment adviser managing $426M, and works from its Davenport, IA office. Mark Grywacheski has been registered through Quad-Cities Investment Group since 1 February 2016, has 11 years in the industry across 2 firms and has passed the Series 65.

11
Years in industry
10
Years at firm
2
Adviser firms
2
States registered

From the IAPD record, checked 23 October 2026SEC record

Career

Mark Grywacheski has been an investment adviser representative at Quad-Cities Investment Group since February 2016, and is not listed among the firm’s executive officers or direct owners. Mark Grywacheski holds an MS in Accounting from Illinois State University and a BS in Accounting from Illinois State University.

Quad-Cities Investment Group, LLC is a Davenport, IA firm with $426M under management, 610 clients and 6 advisers in one office, as of its April 2026 filing.

Mark Grywacheski is Partner, Advisor of Quad Cities Investment Group, LLC, based in Davenport, IA. He began his career on the floor of the Chicago Board Options Exchange, where he traded derivatives and structured products for over fourteen years. He also served as a derivatives industry Arbitrator and sat on multiple Chicago financial exchange committees for over a decade.

Mark Grywacheski’s longest registration is the current one, 10 years at Quad-Cities Investment Group since 2016. Before joining Quad-Cities Investment Group in 2016, Mark Grywacheski was registered through Irongate International, L.L.C.

  1. – present · 10 years
    Davenport, IA · Adviser representative · Firm CRD 154113
  2. Irongate International, L.L.C.
    – · under a year
    Moline, IL · Adviser representative · Firm CRD 119818

Credentials and registrations

Investment adviser representative registrations

Mark Grywacheski is registered as an investment adviser representative in 2 states. Each was approved in February 2016.

  • IllinoisSince 1 February 2016
  • IowaSince 1 February 2016

Examinations

Series 659 February 2015
Name
Uniform Investment Adviser Law Examination

Key facts

Full name
Mark Marion Grywacheski
CRD
5491914
Office
5177 UTICA RIDGE ROAD, Davenport, IA 52807
Registration
Investment adviser registration
In the industry since
April 2015
Disciplinary history
Not yet shown here · SEC record

Common questions

Where does Mark Grywacheski work?

Mark Grywacheski is an investment adviser representative registered through Quad-Cities Investment Group, LLC since February 2016, and is not listed among the firm’s executive officers or direct owners.

Source: IAPD individual record, checked 23 October 2026

Is Mark Grywacheski a financial advisor?

Yes. Mark Grywacheski has a current investment-adviser registration in Illinois and Iowa, through Quad-Cities Investment Group since February 2016.

Source: IAPD individual record, checked 23 October 2026

How many years of experience does Mark Grywacheski have?

Mark Grywacheski has 11 years in the financial industry, since April 2015, across 2 adviser firms.

Source: IAPD individual record, checked 23 October 2026

What exams has Mark Grywacheski passed?

Mark Grywacheski passed the Series 65 in February 2015.

Source: IAPD individual record, checked 23 October 2026

Where did Mark Grywacheski work before Quad-Cities Investment Group?

Before Quad-Cities Investment Group, Mark Grywacheski was registered through Irongate International, L.L.C., February 2015 to December 2015.

Source: IAPD individual record, checked 23 October 2026

Where is Mark Grywacheski based?

Mark Grywacheski’s registered office is in Davenport, IA.

Source: IAPD individual record, checked 23 October 2026

Is Mark Grywacheski registered with FINRA?

No. Mark Grywacheski has no current broker registration.

Source: IAPD individual record, checked 23 October 2026

How can I verify Mark Grywacheski’s record?

Search CRD 5491914 on the SEC’s adviser search (adviserinfo.sec.gov), which publishes Mark Grywacheski’s full registration record.

Source: IAPD individual record, checked 23 October 2026

Leadership at Quad-Cities Investment Group

Sources

  1. IAPD individual record, CRD 5491914, checked 23 October 2026. Registration status, employment history and examinations.
  2. Form ADV Part 1A, Schedules A and B of Quad-Cities Investment Group, LLC, filed 16 April 2026. Executive officers and direct owners; this person is not among them.
  3. Quad-Cities Investment Group team page. Biography, education, credentials, awards and the portrait, reproduced for identification.