About Mesirow Financial Investment Management, Inc.
<p>Founded in 1937, Mesirow Financial Investment Management, Inc. is an independent, employee-owned advisory firm headquartered in Chicago and active across the Chicago metro area and beyond. It also has offices in Nashville, New York City, and London, supporting clients with needs that span U.S. and global markets.</p> <p>Mesirow’s retirement plan work includes 3(21) fiduciary services for plan sponsors that want documented investment guidance while retaining final decision-making authority. The firm also runs global investment management, capital markets, investment banking, and advisory practices, along with wealth management and executive benefit services.</p> <p>As of 2026, Mesirow reports $359.4B in assets under management. It has been named a “Best Places to Work in Money Management” by Pensions & Investments.</p> <p>What sets Mesirow apart is the combination of an employee-owned structure with a multi-office platform that can support both local plan committees and larger institutional programs.</p> <ul> <li>3(21) fiduciary investment advice for retirement plan sponsors</li> <li>Institutional asset management and global investment management</li> <li>Capital markets and investment banking services</li> <li>Wealth management and executive benefit services</li> <li>Chicago headquarters with offices in Nashville, New York, and London</li> </ul>
Website: https://www.mesirow.com/home
Founded: 1937
Office Locations
- Chicago, IL (Headquarters)
Services Offered
- 3(21) Investment Advisor
Client Statistics (2026)
- Total Clients: 0
- Total AUM: $359.4B
Plans Serviced (2024)
Largest plans where this firm is listed as a service provider (Schedule C) or IQPA (Schedule H) on the most recent filings (From Form 5500).
| Plan | Sponsor | Assets | Participants |
|---|---|---|---|
| AMERICAN GREETINGS RETIREMENT SAVINGS PLAN | AMERICAN GREETINGS CORPORATION, OH | $1.1B | 2,731 |
| PROSERVICE HAWAII 401(K) PLAN | PROSERVICE PACIFIC, LLC DBA PROSERVICE HAWAII, HI | $413M | 13,591 |
| OPENLANE, INC. 401(K) PLAN | OPENLANE, INC., IN | $315M | 2,049 |
| IAA 401(K) PLAN | IAA HOLDINGS LLC., IL | $290M | 3,829 |
| OSD MULTIPLE EMPLOYER 401(K) PLAN | OFFICE OF THE SPECIAL DEPUTY RECEIVER, IL | $261M | 87 |
| 1199 SEIU REGIONAL PENSION FUND | TRUSTEES OF 1199 SEIU REGIONAL PENSION FUND, NY | $232M | 5,171 |
| AVISON YOUNG (US) 401(K) PLAN | AVISON YOUNG (USA) INC., IL | $137M | 1,401 |
| MARINE INDUSTRY RETIREMENT PLAN | NATIONAL MARINE MANUFACTURERS ASSOCIATION, INC., IL | $136M | 4,068 |
| HALO BRANDED SOLUTIONS, INC. 401(K) SAVINGS PLAN | HALO BRANDED SOLUTIONS, INC., IL | $131M | 1,886 |
| THE OGDEN NEWSPAPERS, INC. 401(K) PLAN | THE OGDEN NEWSPAPERS, INC, WV | $115M | 887 |
| HILCO TRADING, LLC 401(K) PROFIT SHARING PLAN & TRUST | HILCO TRADING, LLC, IL | $114M | 1,608 |
| CAROLINA DEALERSHIPS INC. 401(K) PLAN | CAROLINA DEALERSHIPS INC., NC | $112M | 2,816 |
| BENEDICTINE UNIVERSITY DEFINED CONTRIBUTION RETIREMENT PLAN | BENEDICTINE UNIVERSITY, IL | $101M | 379 |
| SHC SERVICES, INC. 401(K) PLAN | SHC SERVICES, INC., UT | $98M | 10,302 |
| PEAK TECHNOLOGIES, INC. 401(K) RETIREMENT PLAN | PEAK TECHNOLOGIES, INC., MD | $93M | 790 |
| PLANSOURCE FINANCIAL SERVICES, INC. RETIREMENT SAVINGS PLAN | PLANSOURCE FINANCIAL SERVICES, INC., FL | $81M | 1,933 |
| MY HR PROS 401(K) PLAN | MY HR PROS, AR | $80M | 4,608 |
| RICELAND FOODS, INC. 401(K) RETIREMENT PLAN | RICELAND FOODS, INC., AR | $74M | 1,357 |
| THE DELTA PATHOLOGY GROUP, LLC 401(K) PLAN | THE DELTA PATHOLOGY GROUP, LLC, LA | $66M | 274 |
| TRUENORTH COMPANIES, L.C. 401K PLAN | TRUENORTH COMPANIES, L.C., IA | $62M | 331 |
Showing top 20 of 191 plans serviced in 2024.