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.

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.

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.

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.

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.

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.

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.