What ROCK does

ROCK Family Office (legal name Rock Ventures LLC, rebranded to ROCK in 2023) is the private family office of Dan Gilbert, founded in 2007 and headquartered at 1074 Woodward Avenue in Detroit, Michigan. ROCK functions as the connective umbrella for the Gilbert Family of Companies, a collection of more than 100 entities spanning fintech, real estate, sports and entertainment, venture capital, private equity, and philanthropy. The family office coordinates capital deployment, strategic guidance, and shared services across this portfolio, with $7B+ in capital deployed across Detroit and Cleveland and $1B+ committed to community initiatives.

The portfolio's financial core is anchored by Rocket Mortgage (founded 1985, one of the world's largest mortgage lenders) and Rocket Companies (NYSE: RKT), which went public in 2020 and includes sub-brands Rocket Homes, Rocket Money, Rocket Loans, Rocket Close, and Rocket Title Insurance. Real estate is anchored by Bedrock (120+ buildings, $7B+ deployed). Sports and entertainment is anchored by the Cleveland Cavaliers, Cleveland Monsters, Cleveland Charge, Rocket Arena, Rock Entertainment Group, and a newly launched WNBA Cleveland franchise. Venture and private equity exposure is provided through Detroit Venture Partners (150+ investments, ~$500M) and Rockbridge Growth Equity ($500M+ in portfolio). Philanthropic arms include the Gilbert Family Foundation, Rocket Community Fund, NF Forward, and the forthcoming Nick Gilbert Neurofibromatosis Research Institute.

The unifying operating philosophy is 'For More Than Profit' (a registered trademark), which places people and community impact ahead of financial returns. The business model is not a traditional product revenue model: ROCK generates value through capital deployment returns across VC, PE, real estate, and M&A, plus value creation across portfolio companies. Pricing is not applicable as ROCK does not sell to external customers; the operating model is structured as a coordinating family office linking 20,000+ team members across the Family of Companies. The organization serves portfolio companies as its primary internal customer segment, with Detroit and Cleveland communities as a secondary geographic segment benefiting from community-development capital deployment.

Name

ROCK

Legal name

Rock Ventures LLC

Website

https://rock.com

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

101–250 employees

Short description

ROCK Family Office is Dan Gilbert's private family office coordinating 100+ entities across fintech, real estate, sports, entertainment, venture capital, and philanthropy, anchored by Rocket Companies (NYSE: RKT), Bedrock, and the Cleveland Cavaliers, with $7B+ capital deployed across Detroit and Cleveland.

Ownership category

akta.pro rank

Product category

Family Office Services

NAICS

Funds, Trusts, and Other Financial Vehicles (525)

SIC

Investment Advice (6282)

akta.pro primary industry

Community Foundations (BPAGAKAB)

akta.pro secondary industry

Product & Innovation Summits (Roadmap, Launch Readiness, Innovation Days) (THAHAMAG)

Keywords

• Family office services
• Venture capital
• Private equity
• Commercial real estate
• Portfolio management

Headquarters

HQ city

Detroit

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure, Others

Revenue model

1. Capital Deployment Returns: Returns from investments across venture capital (Detroit Venture Partners), private equity (Rockbridge Growth Equity), real estate development (Bedrock), and mergers & acquisitions. Capital deployed across Detroit and Cleveland markets generating investment returns.
2. Portfolio Company Value: Value creation across portfolio companies including Rocket Companies (NYSE: RKT), sports and entertainment assets (Cleveland Cavaliers, Rocket Arena), fintech companies, and other investments.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

ROCK is the Gilbert Family Office that coordinates the Rock Family of Companies, a network of more than 100 entities spanning fintech, real estate, sports, entertainment, venture capital, private equity, and philanthropy. Its core function is capital deployment ($7B+ deployed across Detroit and Cleveland), strategic guidance, and operational support to portfolio companies, anchored by founder Dan Gilbert's For More Than Profit philosophy.

Product overview

ROCK is a Family Office that connects the Rock Family of Companies — a diverse collection of more than 100 entities built on innovation. The core financial services are anchored by Rocket Mortgage (one of the world's largest mortgage lenders) and Rocket Companies (NYSE: RKT), which includes Rocket Homes (real estate platform), Rocket Money (subscription/bill management), Rocket Loans (personal lending), Rocket Close (closing services), and Rocket Title Insurance. The portfolio spans fintech products (StockX, Drivly, Autobooks, Dwolla), sports/entertainment (Cleveland Cavaliers, Rocket Arena, Rock Entertainment Group), real estate/hospitality (Bedrock, Shinola Hotel), venture capital/private equity (Detroit Venture Partners, Rockbridge Growth Equity), and philanthropy (Gilbert Family Foundation, Rocket Community Fund). Rocket Innovation Studio provides technology solutions for fintech partners. These entities share the 'For More Than Profit' philosophy and are connected by shared resources, talent, and the ISMs culture framework.

Differentiator

Problem solved

Functional benefit

Products and services

• Detroit Venture Partners (DVP) Early-stage venture capital firm focused on technology and consumer companies based in Detroit and the broader Midwest, providing capital, connections, and business advice to portfolio startups.
• Rockbridge Growth Equity Private equity firm making long-term growth investments in its portfolio of companies across multiple sectors.
• Bedrock Full-service commercial real estate firm that redevelops, owns, and operates more than 120 buildings across Detroit and Cleveland, with more than $7 billion invested in urban revitalization.
• Gilbert Family Foundation Private nonprofit foundation issuing grants and philanthropic capital toward housing stability, entrepreneurship, arts and culture, and placemaking initiatives.
• Rocket Community Fund Philanthropic organization that funds housing stability and community development initiatives, including a $500 million joint commitment to Detroit over 10 years starting 2021.
• Rock Holdings Inc.

Quantifiable outcome

• More than 1,000 businesses supported in Detroit through various portfolio company relationships and investments
• +2 more outcomes

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Eight partnerships are on record, tiered minor and core.

• Reindustrialize Summit PartnersminorGTM or Marketing Partner · 1 January 2025ROCK serves as presenting sponsor for Reindustrialize 2.0 summit in Detroit, with support from Detroit Venture Partners. The event brings together innovators, investors, and policymakers in technology and manufacturing.
• Detroit Venture Partners Portfolio CompaniescoreStrategic or Co-development Partner · 1 January 2022DVP invests in early-stage companies including Chiyo, Treehouse, Hum, and others that align with the For More Than Profit philosophy. Provides capital, connections, and business advice.
• Forbes / Forbes Under 30 SummitminorGTM or Marketing Partner · 1 January 2019Partnership to host the Forbes Under 30 Summit in Detroit from 2019-2023, bringing global entrepreneurs and investors to the city. ROCK coordinated tours, meetings, and logistics.
• BedrockcoreStrategic or Co-development Partner · 1 January 2011Full-service commercial real estate firm created in 2011 to redevelop properties in Detroit. Has invested more than $7 billion and owns more than 120 buildings in Detroit and Cleveland. First purchase was Detroit's historic Madison Theatre Building.
• Rocket Companies (NYSE: RKT)coreStrategic or Co-development PartnerPublicly traded company (NYSE: RKT) consisting of personal finance and consumer service brands including Rocket Mortgage, the first online mortgage company. Dan Gilbert is Founder and Chairman.
• Cleveland CavalierscoreStrategic or Co-development PartnerNBA Championship team purchased by Dan Gilbert's investor group in 2005. The team won the NBA championship in 2016. Part of Rock Entertainment Group.
• Rock Entertainment GroupcoreStrategic or Co-development PartnerSports and entertainment platform creating amazing experiences for fans. Includes Cleveland Cavaliers, Cleveland Monsters, Cleveland Charge, Rocket Arena, and Rock Entertainment Sports Network.
• StockXcoreStrategic or Co-development PartnerWorld's first online consumer 'stock market of things' for high-demand, limited edition products. Co-founded by Dan Gilbert in 2016 in Detroit.

Scale indicators10 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• Emerson Collective: Laurene Powell Jobs' family office that invests across philanthropy, media, impact investing, and operating companies. Most structurally analogous peer to ROCK as a diversified family office with both commercial and philanthropic vehicles.
• Walton Family Foundation: Walmart heir family office pairing a major philanthropic foundation with family investment activity. Comparable in combining place-based community investment with broader wealth stewardship.
• Soros Fund Management: George Soros's family office combining investment management with the Open Society Foundations. Closely comparable structure of investment engine paired with a major philanthropic foundation.
• Pritzker Group: J.B. and M.K. Pritzker family office combining venture capital, private equity, and philanthropy. Comparable diversified investment + philanthropic structure under one umbrella.
• Ballmer Group: Steve Ballmer's family office combining a philanthropic foundation with for-profit PE/VC investments. Similar model of blending large-scale community giving with diversified investment activity.
• Bezos Family / Day One Fund: Jeff Bezos's family office with the Day One Fund focused on homelessness and education. Comparable model of ultra-high-net-worth family deploying capital across both businesses and place-based philanthropy.

Emerging players

• Iconiq Capital: Multi-family office serving ultra-high-net-worth tech founders with investment, philanthropy advisory, and operating support. Adjacent comparable to ROCK's role coordinating capital and strategy across portfolio companies.

Broad incumbents

• Bloomberg Philanthropies / Bloomberg LP: Michael Bloomberg's combined commercial enterprise and philanthropy. Comparable pairing of a founder-controlled business platform with significant city-focused community impact work.
• Berkshire Hathaway: Iconic diversified holding company operating across insurance, energy, transportation, and consumer. Indirect comparable as a holding-company model coordinating dozens of operating businesses under one umbrella, though vastly larger and longer-tenured.
• Koch Industries (Koch Family): Family-controlled diversified holding company with operating subsidiaries across industries plus a significant philanthropic/policy footprint. Comparable in family-controlled multi-entity structure at much larger scale.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks5 records

Key highlights7 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

Subsidiaries20 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about ROCK