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MESIROW FINANCIAL INVESTMENT MANAGEMENT, INC.
CRD 111135File 801-27047
APPROVED
Retail clients
Custody
Disclosure events
Filing as of Jul 7, 2026
Feed vintage Oct 1, 2026
Regulatory AUM
$50.44B
Top 10% of cohort (national)
Discretionary AUM
$49.20B
Non-discretionary $1.24B
Clients
90,291
90,291 accounts
Employees
161
Top 10% of cohort in IL
Identity & registration
ADV Item 1- Organization form
- Corporation
- Firm type
- Registered
- SEC region
- CHRO
- Registration date
- May 15, 1986
- Principal office
- 353 N. CLARK ST, CHICAGO, IL, 60654
- Phone
- 800-621-4421
- Website
- https://mesirow.com
Assets & accounts
ADV Item 5F- Total regulatory AUM
- $50.44B
- Discretionary AUM
- $49.20B
- Non-discretionary AUM
- $1.24B
- Discretionary accounts
- 89,163
- Non-discretionary accounts
- 1,128
- Total accounts
- 90,291
- AUM per client
- $559K
Clients by type
ADV Item 5D| Client type | Clients | AUM |
|---|---|---|
| Other | 11 | $103.2M |
| Charitable organizations | 10 | $62.7M |
| High net worth individuals | 14,040 | $12.97B |
| Pooled investment vehicles | 5 | $2.89B |
| Pension and profit sharing plans | 76,209 | $34.40B |
| Individuals (other than high net worth individuals) | 16 | $3.6M |
Compensation & activities
ADV Items 5E, 5GCompensation
- Performance-based fees
- A percentage of assets under your management
Advisory activities
- Financial planning services
- Selection of other advisers
- Portfolio management for other
- Portfolio management for pooled investment vehicles
- Portfolio management for individuals and/or small businesses
Custody
ADV Item 9- Firm Custody Cash
- Yes
- Firm Custody Assets
- No
- Firm Custody Clients
- No
- Firm Custody Securities
- Yes
- Related Person Custody Cash
- Yes
- Related Person Custody Assets
- No
- Related Person Custody Clients
- No
- Related Person Custody Securities
- Yes
Disclosure events
ADV Item 11- Q11C2
- Q11C4
- Q11C5
Filed changes
| Date | Field | From | To | Change |
|---|---|---|---|---|
| Jul 1, 2026 | Employees | 197 | 161 | decreased by36 |
| Jul 1, 2026 | Clients | 14,109 | 90,291 | increased by76,182 |
| Jul 1, 2026 | AUM | $43,420,623,000 | $50,438,375,000 | increased by$7,017,752,000 |
| Jul 1, 2026 | Accounts | 14,109 | 90,291 | increased by76,182 |
| Dec 1, 2025 vs May 1, 2025 | Employees | 185 | 197 | increased by12 |
| Dec 1, 2025 vs May 1, 2025 | Clients | 13,111 | 14,109 | increased by998 |
| Dec 1, 2025 vs May 1, 2025 | AUM | $45,167,962,000 | $43,420,623,000 | decreased by$1,747,339,000 |
| Dec 1, 2025 vs May 1, 2025 | Accounts | 13,396 | 14,109 | increased by713 |
| May 1, 2025 vs Oct 1, 2022 | Employees | 197 | 185 | decreased by12 |
| May 1, 2025 vs Oct 1, 2022 | Clients | 13,079 | 13,111 | increased by32 |
| May 1, 2025 vs Oct 1, 2022 | AUM | $43,288,550,000 | $45,167,962,000 | increased by$1,879,412,000 |
| May 1, 2025 vs Oct 1, 2022 | Accounts | 13,079 | 13,396 | increased by317 |
| Sep 1, 2022 | Disclosures | No | Yes | |
| Jul 1, 2022 | Employees | 202 | 197 | decreased by5 |
| Jul 1, 2022 | Clients | 12,568 | 13,079 | increased by511 |
On Form 5500, an adviser usually appears as a plan service provider (Schedule C), not the plan sponsor.
See plans that list “MESIROW FINANCIAL” as a service provider on 5500mcp →Matched by name only — Form ADV and Form 5500 share no identifier, and names are searched loosely (“MESIROW FINANCIAL” may also match similarly-named firms). Confirm identity against each filing.
Every value above is reproduced from this firm's Form ADV filing. Fields the firm left blank are shown as “Not reported” rather than filled in from other sources.