# WindRock Wealth Management

WindRock Wealth Management is a Multi Family Office based in Naperville, United States.

## Overview

- **Organization type:** Multi Family Office
- **Headquarters:** Naperville, United States
- **Region:** North America
- **Address:** 60540, Naperville, Illinois, US, 225 W Jefferson Ave, Suite 2
- **Founded:** 2012
- **Assets under management:** 291 (Altss estimate)
- **Website:** windrockwealth.com
- **LinkedIn:** https://www.linkedin.com/company/windrock-wealth-management

## Regulatory record

- **CRD number:** 166124
- **SEC file number:** 801-106722
- **Registration status:** APPROVED
- **Latest Form ADV filing:** 2026-03-17T05:00:00.000Z
- **Reports private funds:** Yes
- **Private funds reported:** 0
- **IAPD record:** https://adviserinfo.sec.gov/firm/summary/166124

## About

WindRock Wealth Management was founded in 2012 by Brett Rentmeester and Christopher Casey in Naperville, Illinois. Rentmeester previously co-founded Altair Advisers while Casey served as a director at Stout Risius Ross. The wealth originates from the founders' entrepreneurial investment careers. The firm allocates across public markets, private credit, real estate and venture capital. Geographic coverage includes North America, Europe and Asia. Confirmed positions include Tagboard, Falcon, Typewise, Polly, Hadrius, Composer, Cynomi, Autonomize, Kovrr, Bacon, Marco, Spotdraft Legal, StayVista and MCaffeine through Singularity Capital. It also holds The Leo Kent hotel in Tucson via joint venture with Iridium Capital and maintains physical gold, silver, farmland and oil and gas interests. The firm employs five professionals. Brett Rentmeester serves on the Major Gifts Committee of Edward Hospital Foundation and as a founding board member of Northwestern Center for Integrative Medicine. He is a member of the World Presidents' Organization. In November 2025 Rentmeester appeared on Wealthion discussing volatility, taxes and inflation alongside gold and farmland as hedges. WindRock maintains strategic alliances with Singularity Capital for venture deal flow and with Iridius Capital for real estate opportunities. Brett Rentmeester additionally serves as CIO of the Jaggi Family Office, creating an overlapping mandate structure that channels proprietary opportunities across the two entities.

## Sectors

- Real Estate
- Private Credit
- Venture Capital
- Natural Resources
- Commodities

## People

- Brett Rentmeester — Founder
- Christopher Casey — Founder

## Questions

### Who runs investment decisions at WindRock Wealth Management?

Brett Rentmeester and Christopher Casey lead investment decisions as the firm's founders. Rentmeester previously co-founded Altair Advisers. Casey previously served as a director at Stout Risius Ross.

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

WindRock participates in both fund commitments and direct co-investments. Confirmed structures include Fund of Funds and Direct Co-Investments / SPVs. Holdings are executed through Singularity Capital and Iridium Capital.

### What investment stages does WindRock typically target?

WindRock targets early stage, growth stage and late stage opportunities. Venture holdings accessed via Singularity Capital reflect these stages. The firm also maintains allocations to real estate and natural resources.

### What is WindRock's known posture on co-investments alongside external GPs?

WindRock pursues co-investments through its alliances with Singularity Capital and Iridium Capital. The firm advises on private placement investments and positions its principals directly manage. Holdings include multiple venture companies accessed via these partners.

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Last updated: 2026-07-06T01:24:28.999Z

Canonical page: https://altss.com/profile/windrock-wealth-management

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