Peconic Partners

Peconic Partners

William H. Gross established Peconic Partners in 1994, three years before his departure from PIMCO, the firm he co-founded in 1971 and built into a $2 trillion bond-investment powerhouse. Gross's personal wealth originated from his pioneering role in fixed-income investing and his ownership stake in PIMCO, sold to Allianz in 2000 for a reported $3.3 billion (per Reuters, 2000). Peconic is a single-family office managing the Gross family capital. The firm invests globally across public and private markets, with a historical focus on fixed-income securities, equities, real estate, and private credit. Known positions have included U.S. Treasuries, corporate bonds, and real estate holdings in California and New York. Peconic also participates in direct private investments and co-investments, though specific deal-level disclosure is limited. Geographically, the portfolio spans North America, with select exposure to Europe and Asia. Peconic operates from a single office in New York with a small team, consistent with a concentrated family-office structure. The firm does not manage third-party capital or operate commingled funds. William H. Gross retired from asset management in 2022 (per Bloomberg, 2022), but the family office continues to manage his fortune. No philanthropic foundation is separately named, but Gross has donated significantly to medical research and education (per The New York Times). Peconic's structural differentiator is its direct lineage from one of the most influential fixed-income investors in modern finance. Unlike multi-family offices or institutional asset managers, Peconic's mandate is singular: manage the Gross family wealth as a concentrated, macro-aware portfolio. The firm's small size and lack of external capital allow it to hold positions with long time horizons, free from quarterly performance pressure.