/Investor DB

Rock Ventures

Family office

Detroit · 3 people tracked

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Investment thesis

ROCK operates under a 'For More Than Profit' philosophy that prioritizes people and community impact alongside financial returns. The family office invests across all industries and geographies, seeking to create long-term value for communities while maintaining operational alignment across its diverse portfolio of more than 100 companies.

Invests inSector AgnosticDetroitUnited States

Source: firm website, verified Aug 6, 2026.

HQ
Detroit, NY, US
Founded
1985

Team · 3 people

from public directories
Matthew Rizik· Executive Officer
Mitchell Brunson· Investorin𝕏
Scott Elkins· Investor

Frequently asked questions

What sectors does Rock Ventures focus on?
Rock Ventures focuses on Sector Agnostic.
Where is Rock Ventures located?
Rock Ventures is headquartered in Detroit, US.

Images

Rock Ventures photoRock Ventures photo

Co-investors · 18

Founders Fund

Founders Fund is a venture capital firm that backs technology companies building transformative products.

$500K – $5M
Founder Collective

Founder Collective is a seed and pre-seed stage venture capital firm that invests across sectors, describing itself as sector agnostic and anti-thematic.

First Round Capital

First Round Capital is an early-stage venture firm partnering with founders at the very first stages of company creation, backing companies from angel through seed with hands-on support across GTM, recruiting, and operations.

$100K – $20M
Susa Ventures

Susa Ventures operates two early-stage technology funds that invest in companies leveraging data, network effects, and economies of scale.

$1M – $5M
Lookout Ventures

Lookout Ventures is a seed-stage venture capital firm backing B2B SaaS startups located outside the major coastal tech hubs across the United States.

$250K – $2M
Bullpen Capital

Bullpen Capital is an early-stage venture firm that has funded over 100 companies, focusing on businesses that have found product-market fit but are overlooked by other investors.

$2M – $4M
Revolution

Revolution is an investment firm that has backed founders, communities, and ideas for over two decades, spanning venture capital, entrepreneurship advocacy, and real estate and hospitality investments.

$100K – $1M
Upfront Ventures

Upfront Ventures is an early-stage venture capital firm that invests in and partners with startups over the long term.

$1M – $10M
Primary Venture Partners

Primary Venture Partners is a seed-stage venture fund that backs founders at the earliest moments, combining deep sector specialization with a large operating team that provides hands-on support.

$1M – $3M
Peak

Peak is an early-stage venture fund founded and run by entrepreneurs, backing extraordinary teams across Europe. It focuses on SaaS, marketplaces, and platforms.

$275K – $4.4M
The Finger Group

Finger Group builds and backs businesses across venture capital and private equity by deploying proprietary capital. The firm works deeply with founding teams on operational matters including sales, recruiting, and financial modeling, measuring success by business quality and team capability rather than short-term returns.

▶6 more co-investors

Predictive VCVera EquityTeam GlobalRiverPark VenturesFuture AfricaAlpine Meridian

Firms observed investing alongside Rock Ventures, from public investor directories. Shared companies are the overlap with Rock Ventures's recorded portfolio.

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3TS Capital Partners

3TS Capital Partners is a European technology-focused growth investment adviser whose advised funds provide growth capital, typically leading or co-leading substantial funding rounds for innovative tech companies primarily in the DACH, CEE and Nordic regions.

$324K – $10.8M
4Di Capital

4DI Ventures was co-founded by repeat tech operator and ESET Southern Africa founder Justin Stanford, giving it unusually deep cybersecurity and software operating experience rather than a purely financial background, and originated from Stanford's own angel-investing experiments that directly led to both the firm's creation and the launch of the Silicon Cape Initiative. The firm explicitly describes its style as "nurture capital" with intensive, hands-on engagement, and Stanford is vocal about avoiding the "unicorn at all costs" mentality in African tech, instead emphasizing sustainable market readiness and fundamentals in a more conservative, durability-focused investment approach.

$100K – $1M
83North

83North is a global venture capital firm that invests in and helps entrepreneurs build large, category-defining companies, backing startups across multiple stages and sectors.

$100K – $10M
8VC

8VC is a venture capital firm investing across logistics, life sciences, healthcare, IT infrastructure, and government/defense, guided by its Smart Enterprise thesis focused on data integration and platform network effects.

$500K – $50M
Accel

Accel is a venture capital firm that partners with exceptional teams, positioning itself as a first partner to founders globally.

$500K – $100M

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