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ROCK Family Office

ROCK Family Office

Detroit, Michiganrock.com

Overview

ROCK is the family office of Dan Gilbert, founder of Rocket Mortgage. It serves as the holding company and connecting entity for Gilbert's portfolio of more than 100 companies, investments, and real estate ventures, known as the Rock Family of Companies. The firm deploys capital through various means, including real estate development, venture capital, and private equity.

Year Founded

2007

Portfolio Companies

3

Website

rock.com

Investments

ROCK Family Office investments
CompanyDateStageLead
CosmDec 2024Growth EquityCo-investor
CosmJul 2024Growth EquityCo-investor
SiftJul 2020Series ALead
Campus CommandosSep 2011AcceleratorCo-investor

Sector & Stage Mix

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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FAQ

Firmographic Details

HeadquartersDetroit, Michigan
Year Founded2007

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