Single Family OfficeRIA · CRD 156988SEC-RegisteredPrivate Fund Adviser

Updated:

RUBENSTEIN PARTNERS

RUBENSTEIN PARTNERS is an SEC-registered investment adviser in PHILADELPHIA, PA, registered since 2012. The firm manages approximately $379 million in assets.

RUBENSTEIN PARTNERS

RUBENSTEIN PARTNERS is an SEC-registered investment adviser in PHILADELPHIA, PA, registered since 2012. The firm manages approximately $379 million in assets. It has 43 employees and 15 investment advisers.

General information

Firm type

Single Family Office

Year founded

2009

AUM

Over $5 billion (Altss estimate)

Location

Region

North America

Country

United States

City

Philadelphia

Corporate office

New York, NY, United States

Principals

David M. Rubenstein

Co-Founder & Co-Executive Chairman

Sector focus

Private EquityReal EstateCreditInfrastructureEnergy Transition & Renewables

Frequently asked questions

Who runs investment decisions at Rubenstein Partners?

David M. Rubenstein, co-founder of The Carlyle Group, is the principal and key decision-maker at Rubenstein Partners. The firm employs a small team of investment professionals who execute strategy under his direction. Specific investment committee composition is not publicly disclosed.

How does Rubenstein Partners source proprietary deal flow?

Rubenstein Partners leverages David Rubenstein's extensive network from his 30-year tenure at Carlyle Group, where he co-built one of the world's largest alternative asset managers. This network provides access to large-scale co-investments and club deals with institutional GPs and other family offices, reducing reliance on intermediary sourcing.

Is Rubenstein Partners structured as a single family office or does it operate more like a venture firm?

Rubenstein Partners is a single-family office managing the wealth of David Rubenstein and his immediate family. It operates with a discretionary, multi-asset mandate rather than as a venture firm raising third-party capital; all investments are made for the family's own account.

Does Rubenstein Partners participate in fund commitments or only direct deals?

The firm employs both strategies: it commits capital to third-party private equity, credit, and infrastructure funds, and also makes direct equity investments and co-investments alongside select GPs. The proportion between fund and direct exposure is not publicly known.

What investment stages does Rubenstein Partners typically target?

Given the scale of the portfolio, Rubenstein Partners focuses on larger-scale opportunities: growth equity, buyouts, and infrastructure investments. Early-stage venture capital is not a disclosed focus area.

Where does the underlying wealth come from?

David M. Rubenstein amassed his fortune as a co-founder of The Carlyle Group, the global private equity firm founded in 1987. His estimated net worth is $3.7 billion (per Forbes, 2025), stemming from his continued ownership stake and dividends from Carlyle.

Does Rubenstein Partners maintain philanthropic structures, and how are they separated?

Yes — the Rubenstein Foundation serves as the family's charitable vehicle and is governed separately from Rubenstein Partners. David Rubenstein is also a prominent civic philanthropist, funding projects at the Kennedy Center, Library of Congress, and numerous universities.

Profile maintained by using OSINT (open-source intelligence), regulatory filings, licensed data partners, and verified direct submissions. Read the methodology. Last updated: . Continuous refresh with full update cycles at least every 30 days.

Need institutional-grade insight on family offices?

Altss delivers:

Principals with verified direct contactsAllocation history by asset classOSINT-derived deal signals
Book a demo

Prefer a guided tour?

We’ll walk you through:

Interactive funding timelinesCustom mandate & allocation filters
Book a demo

Browse by category

More Philadelphia Single Family Office profiles