Private company

Rock Ventures

Holding company for businessman Dan Gilbert

Rock Ventures LLC (doing business as ROCK) is the holding company for the portfolio of companies, investments, and real estate properties owned by American businessman Dan Gilbert. It is based in Detroit, Michigan and engaged in community development in both Detroit and Cleveland, Ohio.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Rock Ventures LLC (doing business as ROCK) is the holding company for the portfolio of companies, investments, and real estate properties owned by American businessman Dan Gilbert. It is based in Detroit, Michigan and engaged in community development in both Detroit and Cleveland, Ohio.2

Corporate structure

Rock Ventures sits at the top of its group. 3 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Rock Ventures reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

The story

Founded by Dan Gilbert.1

Leadership

Who has led Rock Ventures, and when. Pick a name to see everywhere that person has worked.

Subsidiaries and ownership

Subsidiaries

Also owns

From Wikidata.1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2