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Hedge Funds' Record Treasury Share Fuels Market Stability Concerns
Hedge funds now hold a record 7% of the USD30 trillion US Treasury market, a significant increase over five years. While this influx helps finance growing government debt, analysts caution that hedge funds' aggressive leverage could amplify systemic…
Hedge Funds Take Larger Role in Treasury Market
Hedge funds have substantially increased their presence in the USD30 trillion US Treasury market, filling a void left by traditional long-term investors. This shift provides crucial demand as government debt expands but introduces new vulnerabilities, according to finance specialists.
By the close of 2025, hedge fund cash Treasury holdings reached USD2 trillion, nearly tripling their level from five years prior, as reported by the US Treasurys Office of Financial Research. With marketable Treasury debt at USD28.9 trillion, hedge funds accounted for a record 7% of the market. Federal Reserve data indicates continued net buying by domestic hedge funds, with USD87 billion in purchases during the first half of 2026, including USD60.6 billion in Q2.
This increased hedge fund participation coincides with significant volatility in the Treasury market; the 10-year yield hit its highest point since 2007 on Monday, while the 30-year yield reached levels not seen since 2002 on Tuesday. Ricky Siao, a hedge fund specialist at Union Bancaire Privée, observed that “Hedge funds apply relatively aggressive leverages as compared to other types of investors and therefore may magnify systematic risk.” Siao added that “When forced deleveraging happens due to extreme situations or crisis scenarios, it may result in broader liquidity and financial stability event.”
Shifting Investor Dynamics and Systemic Risks
Historically, pension funds were key buyers of long-dated government bonds, aligning these assets with decades-long liabilities. However, structural changes, such as the move from defined-benefit to defined-contribution plans, have reduced pension funds' appetite for long-term government debt, the OECD reported. Many pension funds are also reallocating capital to higher-yielding, less-liquid alternatives like private credit, with institutional investors funneling nearly USD300 billion into private credit vehicles in 2025.
Regulators have highlighted the risks associated with hedge funds' growing influence. The Federal Reserve's May financial stability report noted that hedge fund leverage remained near record highs, concentrated among large funds with substantial positions in Treasurys and other markets. The Fed stated that “High leverage can lead to spillovers if the fund suddenly loses access to funding.”
The Bank for International Settlements (BIS) echoed these concerns earlier this year, warning that the emergence of hedge funds as central intermediaries in government bond markets created “new financial stability vulnerabilities.” The BIS specifically pointed to their reliance on leverage and short-term repo financing, which could expose core markets to sudden deleveraging and periods of market instability. Unlike pension funds that focus on liability matching and long-term horizons, hedge funds prioritize performance, often with shorter-term objectives focused on high watermarks and benchmark-beating returns.
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