Mesirow Institutional Investment Management, Inc.
- Regulatory AUM
- —
- Discretionary
- —
- Clients
- 0
- Avg AUM / client
- —
- Accounts
- —
- Employees
- 0
AUM over time
Annual snapshots from Form ADV filings · as of Jun 01, 2026
Who they serve
| Client type | Clients | AUM | % of AUM |
|---|
Retirement plan clients
Plans that reported this firm as an investment service provider on Form 5500 Schedule C.
| Plan | Location | Plan year |
|---|---|---|
| Local 804 I.B.T. And Local 447 I.A.M. Ups Multi Employer Retirement Plan Bd Of Trustees Loc. 804 & Loc. 447 Multi Employer Ret. Plan | 2024 |
People (6)
| Name | Role / title | Credentials | With firm since | Ownership |
|---|---|---|---|---|
| Brown, Natalie, Annette | Director/President | Feb 2022 (5y) | Less than 5% | |
| Jeffrey Michael Levine | Director | Feb 2022 (5y) | Less than 5% | |
| Keig, Jesse, Joseph | Chief Financial Officer | Feb 2022 (5y) | Less than 5% | |
| Mary Jo Moon Hayes | Chief Compliance Officer | Feb 2022 (5y) | Less than 5% | |
| Price, Richard, Scott | Director/Chairman | Feb 2022 (5y) | Less than 5% | |
| Vorisek, Kathryn, Ann | Senior Managing Director, Equity Management | Feb 2022 (5y) | Less than 5% |
Entity owners (Schedule A/B)
| Entity | Title / status | Since | Sch. | Ownership |
|---|---|---|---|---|
| Mesirow Financial Services, Inc. | Owner | Feb 2022 | A | 75% or more |
| Mesirow Financial Holdings, Inc. | Owner | Feb 2022 | B | ≈ 56.25% – 100% via Mesirow Financial Services, Inc. |
Undisclosed: 0% – 25% of the firm is not attributable from the filed Schedule A bands.
Estimated effective ownership (look-through of filed bands):
- Mesirow Financial Holdings, Inc.: 75% – 100% of Mesirow Financial Services, Inc. × 75% – 100% direct ≈ 56.25% – 100% of the firm
Roster from the IAPD representatives feed; ownership and acquisition dates from Form ADV Schedule A/B. "Since" is the earliest filed registration or acquisition date.
Retirement plans served (1)
| Plan | Sponsor | Participants | Plan assets | As of |
|---|---|---|---|---|
| Local 804 I.B.T. And Local 447 I.A.M. Ups Multi Employer Retirement Plan | Bd Of Trustees Loc. 804 & Loc. 447 Multi Employer Ret. Plan | 5,733 | $2.4B | 01/01/2024 |
From Form 5500 service-provider disclosures.
Documents (1 archived)
| Form | Period | Size | |
|---|---|---|---|
| Form ADV (full filing) | 06/01/2026 | 1.53 MB | View · PDF · Source ↗ |
Archived copies of the firm's regulatory filings, versioned by content hash.
Disciplinary disclosures
No disciplinary events reported on the firm's latest Form ADV filing.
How they charge
- • Percentage of assets under management
Services
- • Other services
Custody
Reported custodians
- BNY Mellon $762M (66% of AUM) Mar 2025
- State Street $122M (11% of AUM) Mar 2025
Amounts as reported in ADV Item 5.K.(3) (custodians holding 10%+ of SMA assets).
Firm reports it does not have custody of client funds or securities (Item 9.A).
Source
All data on this page comes from this firm's Form ADV filings, reproduced without modification. Latest filing: Jun 01, 2026.
View current Form ADV (SEC/IAPD) ↗