# Oak Brook Advisors

Oak Brook Advisors is a RIA based in Lakewood Ranch, United States.

## Overview

- **Organization type:** RIA
- **Headquarters:** Lakewood Ranch, United States
- **Region:** North America
- **Address:** Oak Brook, IL, United States
- **Assets under management:** Undisclosed
- **Website:** oakbrook.com

## Regulatory record

- **CRD number:** 118151
- **Registration status:** Registered
- **Reports private funds:** No
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/118151

## About

OAK BROOK ADVISORS, LLC is a state-registered investment adviser in LAKEWOOD RANCH, FL. The firm manages approximately $17 million in regulatory assets. It has 2 employees and 1 investment adviser.

## Questions

### Who runs investment decisions at Oak Brook Advisors?

The investment decision-makers at Oak Brook Advisors have not been publicly identified. The firm does not disclose its principals or investment committee members.

### How does Oak Brook Advisors source proprietary deal flow?

Oak Brook Advisors' deal-sourcing methods are not publicly known. Many family offices rely on network relationships with investment banks, private equity firms, and other family offices for off-market opportunities.

### Does Oak Brook Advisors participate in fund commitments or only direct deals?

There is no public information confirming whether Oak Brook Advisors invests through fund commitments or direct deals. Single-family offices often use a hybrid approach, but this is not confirmed for this firm.

### What investment stages does Oak Brook Advisors typically target?

Oak Brook Advisors' target investment stages are not disclosed. Without public detail, it is not possible to confirm whether it focuses on venture, growth, buyout, real estate, or secondary investments.

## Related profiles

- [Mark R. Lemmond CPA, PLLC](https://altss.com/profile/mark-r-lemmond-cpa-pllc)
- [Clark Nuber Wealth Management](https://altss.com/profile/clark-nuber-wealth-management)

---

Last updated: 2026-08-10T23:49:37.812Z

Canonical page: https://altss.com/profile/oak-brook-advisors-llc

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