# Mesirow Institutional Investment Management

Mesirow Institutional Investment Management is a Bank / Wealth / Trust based in Chicago, United States.

## Overview

- **Organization type:** Bank / Wealth / Trust
- **Headquarters:** Chicago, United States
- **Region:** North America
- **Address:** Chicago, IL, United States
- **Founded:** 1937
- **Assets under management:** Undisclosed
- **Website:** mesirow.com
- **LinkedIn:** https://www.linkedin.com/company/mesirow

## Regulatory record

- **CRD number:** 319065
- **SEC file number:** 801-123569
- **Registration status:** APPROVED
- **Latest Form ADV filing:** 2026-04-01T05:00:00.000Z
- **Reports private funds:** No
- **Private funds reported:** 0
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/319065

## About

Mesirow Institutional Investment Management is an SEC-registered investment adviser based in Chicago, IL, since 2022. It manages investment strategies for institutional clients. The firm is registered with the SEC.

## Sectors

- Private Credit
- Real Estate
- Hedge Funds
- Infrastructure
- Private Equity

## People

- Natalie A. Brown — CEO

## Questions

### Who runs investment decisions at Mesirow Institutional Investment Management?

Natalie A. Brown serves as CEO of the broader Mesirow enterprise. Individual investment decisions within the institutional platform are made by specialized team heads across real estate, private credit, and hedge fund strategies. The firm operates with portfolio manager autonomy within centrally defined risk parameters and asset allocation frameworks.

### Does Mesirow participate in fund commitments or only direct deals?

Mesirow operates across both models. The hedge fund group primarily constructs multi-manager fund-of-funds portfolios, while the private credit and real estate teams execute direct investments and co-investment structures. The private equity strategy includes both primary fund commitments and direct co-investment opportunities sourced through general partner relationships.

### How is Mesirow's employee ownership structured, and what does that mean for investors?

Mesirow is privately held by its senior professionals through an employee stock ownership architecture maintained since 1937. This structure means portfolio managers are meaningfully co-invested in the firm's aggregate financial performance, which tends to encourage retention, succession planning, and risk discipline — features that institutional investors view favorably compared to private equity-backed managers facing eventual liquidity events.

## Related profiles

- [Meru Kapital](https://altss.com/profile/meru-kapital)
- [Mesirow Wealth Management](https://altss.com/profile/mesirow-wealth-management-mwm)

---

Last updated: 2026-06-03T20:00:00.000Z

Canonical page: https://altss.com/profile/mesirow-institutional-investment-management

Maintained by Altss — https://altss.com — methodology: https://altss.com/methodology