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Margaret Cosgrove

Manager at Great Lakes Advisors

Officer record from the firm’s Form ADVForm ADV filed 8 September 2026

Margaret Cosgrove is Manager of Great Lakes Advisors, LLC, a Chicago investment adviser.

Role at Great Lakes Advisors

Title on Schedule A
Manager
Control
Margaret Cosgrove is a control person of Great Lakes Advisors.
Ownership
An individual ownership band is not available in the source record.
Tenure
Margaret Cosgrove has held the filed role since January 2022.

The firm

Great Lakes Advisors, LLC
Chicago, IL

Form ADV filed 8 September 2026

$16.2B AUM1,731 clients37 advisers4 offices

Career on record

The IAPD individual lookup on 18 October 2026 returned no individual record. This profile uses the firm’s Form ADV officer listing.

Registrations and exams

Individual registration and examination information for Margaret Cosgrove is unavailable. An officer title or CRD number does not by itself establish current investment adviser representative registration, and no registration or examination counts are inferred.

Officer record

Full name
Margaret Cosgrove
CRD
5765262
Firm
Great Lakes Advisors, LLC
Record basis
Form ADV officer listing

This directory does not report disciplinary history, for any firm or individual, in either direction. The SEC publishes the complete record, including any disciplinary events, and it is the authoritative place to check one. Check this record on adviserinfo.sec.gov

Common questions

Where does Margaret Cosgrove work?

Margaret Cosgrove has been Manager of Great Lakes Advisors, LLC since January 2022, and is a control person of the firm.

Source: Form ADV, Schedule A, filed 8 September 2026

Leadership at Great Lakes Advisors

Sources

  1. IAPD individual lookup, CRD 5765262. This profile uses the Form ADV officer listing; the individual lookup did not provide a current investment-adviser record.
  2. Form ADV Part 1A, Schedules A and B of Great Lakes Advisors, LLC, filed 8 September 2026. Title, control and ownership bands.

Retrieved 18 October 2026. The SEC record may have been amended since.

Report a correction

This profile is compiled from public regulatory records and the firm's own published materials, and is provided for informational purposes only. Niva Wealth is not affiliated with Margaret Cosgrove or Great Lakes Advisors, LLC and makes no representation about the quality of their services. This directory does not report disciplinary history, in either direction.