# Great Lakes Advisors, LLC

> Great Lakes Advisors, LLC is an SEC-registered investment advisory firm in Chicago, IL, registered since 1982, reporting over $5 billion in regulatory assets under management in its Form ADV filing dated September 8, 2026.

- CRD: 110757
- Filed as: GREAT LAKES ADVISORS, LLC
- Also doing business as: GREAT LAKES ADVISORS, LLC, WINTRUST INSTITUTIONAL INVESTMENT MANAGEMENT, WINTRUST PRIVATE CLIENT, WINTRUST WEALTH MANAGEMENT
- Registration: SEC-registered investment adviser (status as filed: Approved)
- Location: Chicago, IL
- Filing period: October 2026
- Form ADV filing dated: September 8, 2026
- SEC record (IAPD): https://adviserinfo.sec.gov/firm/summary/110757
- AdvisorCensus page: https://advisorcensus.com/firm/great-lakes-advisors-llc-chicago-il-110757

## Quick answers

**How is Great Lakes Advisors, LLC compensated?**
On its Form ADV (Item 5.E, October 2026), Great Lakes Advisors, LLC reports these compensation arrangements: a percentage of assets under its management; fixed fees (other than subscription fees); performance-based fees; other.

**Where is Great Lakes Advisors, LLC located?**
Great Lakes Advisors, LLC's principal office is in Chicago, IL, according to its Form ADV; the October 2026 filing also lists 3 other offices (Schedule D, Section 1.F).

**Is Great Lakes Advisors, LLC registered with the SEC or a state?**
Great Lakes Advisors, LLC is an SEC-registered investment advisory firm, registered since 1982. Status as filed: Approved. CRD 110757.

**How much does Great Lakes Advisors, LLC manage?**
Great Lakes Advisors, LLC reports $16,158,030,371 in regulatory assets under management in its Form ADV filing dated September 8, 2026 (98% discretionary).

**How have Great Lakes Advisors, LLC's assets and staff changed since 2021?**
In the Form ADV data for Great Lakes Advisors, LLC: Regulatory assets under management: $8,602,282,779 in the October 2021 data and $16,158,030,371 in the October 2026 data, up 88%. Total employees: 73 in October 2021 and 84 in October 2026. Assets under management move with markets as well as with clients coming and going.

**What types of clients does Great Lakes Advisors, LLC serve?**
By number of clients on Form ADV Item 5.D: individuals (other than high net worth individuals) (687); other (630); high net worth individuals (150).

**Which custodians does Great Lakes Advisors, LLC use?**
Great Lakes Advisors, LLC's most recent Form ADV filing (Schedule D, Section 5.K(3)) lists LPL Financial LLC, State Street Global Advisors Funds Distributors, LLC and Wintrust Private Trust Company, N.A. (affiliated with the firm) as custodians holding 10% or more of its separately managed account assets.

**Does Great Lakes Advisors, LLC report any disciplinary disclosures?**
Reports no disclosure items on Form ADV Item 11. The detail of any item is on the firm's SEC record: https://adviserinfo.sec.gov/firm/summary/110757

**What changed in Great Lakes Advisors, LLC's recent Form ADV filings?**
In the June 2026 filing data: Updated its list of owners and control persons (Schedule A).

## From the Form ADV filing

### Compensation (Item 5.E)
- A percentage of assets under your management
- Fixed fees (other than subscription fees)
- Performance-based fees
- Other

### Custodians (Schedule D, Section 5.K(3))
- LPL Financial LLC
- State Street Global Advisors Funds Distributors, LLC
- Wintrust Private Trust Company, N.A. (affiliated with the firm)

Custodians holding 10% or more of the firm's separately managed account assets, as filed on Form ADV (Schedule D, Section 5.K(3)). A custodian holds client assets; it does not endorse or supervise the firm. AdvisorCensus has no relationship with any custodian.

### Regulatory assets under management (Item 5.F)
- Total: $16,158,030,371
- Discretionary: $15,870,645,674
- Non-discretionary: $287,384,697

### Clients (Item 5.D)

| Client type | Clients | Assets |
| --- | --- | --- |
| Individuals (other than high net worth individuals) | 687 | $1,106,309,836 |
| High net worth individuals | 150 | $1,742,063,704 |
| Banking or thrift institutions | Fewer than 5 | $0 |
| Investment companies | 5 | $4,439,481,776 |
| Business development companies | 0 | $0 |
| Pooled investment vehicles (other than investment companies and business development companies) | 2 | $61,654,903 |
| Pension and profit sharing plans (but not the plan participants or government pension plans) | 54 | $3,188,384,755 |
| Charitable organizations | 135 | $1,389,734,045 |
| State or municipal government entities (including government pension plans) | 6 | $1,006,292,003 |
| Other investment advisers | 1 | $43,205,897 |
| Insurance companies | 4 | $291,998,624 |
| Sovereign wealth funds and foreign official institutions | Fewer than 5 | $0 |
| Corporations or other businesses not listed above | 57 | $834,308,542 |
| Other | 630 | $2,054,596,286 |

### Advisory services (Item 5.G)
- Financial planning services
- Portfolio management for individuals and/or small businesses
- Portfolio management for investment companies (and business development companies)
- Portfolio management for pooled investment vehicles (other than investment companies)
- Portfolio management for businesses (other than small businesses) or institutional clients
- Selection of other advisers (including private fund managers)

### Firm details
- Registered since: 1982 (44 years)
- Employees: 84 total, 37 performing advisory functions
- Wrap fee program participation: Yes
- States registered or notice-filed: AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, PR, RI, SC, SD, TN, TX, UT, VA, VI, VT, WA, WI, WV, WY
- Disclosures (Item 11): Reports no disclosure items on Form ADV Item 11.

### Other offices (Schedule D, Section 1.F), as of the October 2026 filing
- Milwaukee, WI
- Stamford, CT
- Tampa, FL

### Websites listed on Form ADV (Item 1.I)
- greatlakesadvisors.com
- wintrustwealth.com
- LinkedIn @great-lakes-advisors

## Assets and staff over time

| Data period | Regulatory assets under management | Employees | Filing dated |
| --- | --- | --- | --- |
| October 2021 | $8,602,282,779 | 73 | August 3, 2021 |
| October 2022 | $9,986,005,023 | 71 | July 22, 2022 |
| October 2023 | $15,383,713,931 | 92 | August 1, 2023 |
| October 2024 | $13,863,779,241 | 91 | June 24, 2024 |
| October 2025 | $15,298,949,943 | 86 | March 19, 2025 |
| October 2026 | $16,158,030,371 | 84 | September 8, 2026 |

Regulatory assets under management: $8,602,282,779 in the October 2021 data and $16,158,030,371 in the October 2026 data, up 88%.
Total employees: 73 in October 2021 and 84 in October 2026.

## Changes in the filing (last 12 months)

### June 2026
- Updated its list of owners and control persons (Schedule A).

### April 2026
- Added the business name Wintrust Institutional Investment Management.
- Employees performing advisory functions went from 38 to 37.
- Updated its list of owners and control persons (Schedule A).

### February 2026
- Registered or notice-filed in AK, AL, AR, CA, CT, DC, DE, FL, GA, HI, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, PR, RI, SC, SD, TN, TX, UT, VA, VI, VT, WA, WI, WV.

### January 2026
- No longer registered or notice-filed in AK, AL, AR, CA, CT, DC, DE, FL, GA, HI, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, PR, RI, SC, SD, TN, TX, UT, VA, VI, VT, WA, WI, WV.

## Source

Form ADV as filed, October 2026. Values appear as filed. Cite as: AdvisorCensus. Great Lakes Advisors, LLC (CRD 110757): Form ADV filing data as of October 2026.