Hedge Funds Hold $2 Trillion in Treasuries as Basis Trades Swell

The Basis Trade Machine

Office of Financial Research data shows hedge funds accumulated an estimated $2 trillion in cash U.S. Treasuries by the end of 2025, roughly 7% of all marketable debt outstanding. The buying isn't a bet on yields — it's the long leg of a basis trade. Funds purchase Treasuries while simultaneously selling futures or swaps against them, capturing the spread between cash and derivative prices. With leverage often running 10x to 50x, the strategy turns tiny price discrepancies into meaningful returns on equity.

Why It Matters for Crypto Markets

These trades have become a primary source of marginal demand for Treasuries, but they're also a concentrated source of fragility. When funding costs spike or volatility forces deleveraging, funds must unwind both legs at once — selling Treasuries and buying back futures. That dynamic can trigger a dash for cash that spreads across asset classes. In March 2020, a basis trade unwind helped fuel a 50% Bitcoin drawdown in days as prime brokers pulled leverage across the board.

Unwind Risk Grows With Size

At $2 trillion, the notional exposure dwarfs the $400 billion peak seen before the 2020 stress. The Federal Reserve's standing repo facility and primary dealer backstops exist, but they address dealer balance sheets, not hedge fund redemptions directly. A disorderly unwind would likely hit crypto first: perpetual funding rates would flip negative, basis on CME Bitcoin futures would widen, and stablecoin redemptions could accelerate as cash-seeking investors exit risk.

Source: CryptoSlate