Single Family Office

Updated:

Grove Wealth Management

Grove Wealth Management operates as the single-family office for Jeffrey Yass, the libertarian-leaning billionaire who co-founded Susquehanna...

Grove Wealth Management

Grove Wealth Management operates as the single-family office for Jeffrey Yass, the libertarian-leaning billionaire who co-founded Susquehanna International Group (SIG) in 1987. Yass built one of the world's largest proprietary trading firms — a Bala Cynwyd-headquartered operation that dominates US equity options market-making. The Miami-based Grove office manages the liquidity generated by that decades-long compounding machine. The firm deploys capital primarily through allocations to external managers rather than direct operating-company investments. Its strategy emphasizes private credit, commercial and residential real estate, and commitments to hedge funds — a mix that privileges yield generation and principal protection. Grove has historically participated in fund commitments alongside institutional limited partners, though specific co-investment structures remain undisclosed. Geographic exposure skews heavily toward US assets, with Florida real estate representing a meaningful component of the direct-property portfolio. The office maintains a small professional footprint consistent with a single-family structure, with no publicly disclosed adjacent vehicles or philanthropic foundations directly affiliated under the Grove name. May 2024: Jeffrey Yass maintained his position as the largest individual donor in the 2024 US election cycle, with public filings showing over $46 million in disclosed political contributions (per OpenSecrets, May 2024) — a posture that signals continued SIG-derived liquidity flows through the family-office structure. While Yass's political engagement is well-documented, the firm itself publishes no AUM figures and declines media inquiry into its investment operations. Grove is structurally distinct in that its sole principal remains an active senior executive at the underlying wealth-generating enterprise. Yass continues to hold a managing director role at SIG while Grove operates as a separate, quietly run allocation vehicle. This dual-role architecture — active founder-operator plus discretion-bound family office — is unusual among trading-derived fortunes, where founders typically exit operating roles upon reaching the wealth scale Grove now manages.

General information

Firm type

Single Family Office

Year founded

AUM

$1B - $5B (Altss estimate)

Location

Region

North America

Country

United States

City

Miami

Corporate office

Miami, FL, United States

Principals

Jeffrey Yass

Principal

Sector focus

Private CreditReal EstateHedge Funds

Frequently asked questions

Who runs investment decisions at Grove Wealth Management?

Jeffrey Yass is the sole principal and ultimate decision-maker. The firm operates with a small professional staff in Miami and does not publicly identify a CIO or investment committee. Yass's philosophy, shaped by SIG's quantitative trading culture, emphasizes risk-managed capital preservation across asset classes.

What is the relationship between Grove Wealth Management and Susquehanna International Group?

Grove Wealth Management is the personal family office for SIG co-founder Jeffrey Yass. It is legally and operationally separate from Susquehanna International Group, the Bala Cynwyd-based proprietary trading firm, though Yass's wealth derives entirely from his SIG equity and trading profits. Yass remains a managing director at SIG while Grove operates independently.

Does Grove invest directly in operating companies or only through funds?

Grove's known investment posture favors allocations to external managers — hedge funds, private credit funds, and real estate vehicles — rather than direct operating-company investments. The firm has not publicly disclosed direct venture capital or private equity co-investments alongside GPs, though it likely holds positions through fund commitments.

Where does the underlying wealth come from?

The wealth managed by Grove originates from Jeffrey Yass's co-founding stake in Susquehanna International Group (SIG), founded in 1987. SIG is one of the world's largest proprietary options market-making firms, and Yass's fortune is a direct result of decades of trading profits and equity appreciation in that enterprise.

What is Grove Wealth Management's known posture on philanthropy?

Jeffrey Yass channels significant resources into political advocacy rather than traditional philanthropy. Public records show he is among the largest individual political donors in the US, with contributions heavily directed toward libertarian and school-choice causes. No dedicated philanthropic foundation operates under the Grove Wealth Management name.

Does Grove Wealth Management participate in co-investments alongside external GPs?

The firm does not publicly advertise a co-investment program. Its allocation model appears weighted toward fund commitments rather than direct co-investment rights. Any co-investment activity would occur through private fund relationships that Grove has not disclosed in public filings.

Is Grove Wealth Management structured as a single family office or does it manage outside capital?

Grove operates as a single-family office exclusively for Jeffrey Yass. There is no evidence the firm accepts outside capital or operates as a multi-family office, RIA, or fund manager. This aligns with Yass's preference for discretion and independence in both his trading and personal investment operations.

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