SEC filings from October 2025 through June reveal that nine hedge funds and banks, including Millennium, Brevan Howard, Goldman Sachs, and D.E. Shaw, sold approximately 68,000 Bitcoin worth of ETF shares, totaling roughly $5.4 billion at current prices. This mass exit was driven by the collapse of arbitrage spreads between spot ETFs and futures contracts, which narrowed from a 7.9% annual yield to 4.8%, leaving only about 1.5 points over Treasury bills after fees. Consequently, these institutions abandoned the trade not due to bearish sentiment on Bitcoin itself, but because the risk-adjusted returns no longer justified the operational complexity.
In contrast to the institutional selling, sovereign wealth funds and wealth management arms stepped in as buyers. Entities such as Morgan Stanley’s wealth management division, Mubadala, and the Abu Dhabi Investment Council, along with roughly 2,200 other filers, added approximately 20,000 Bitcoin to their holdings. Retail investors and smaller entities too small to file with the SEC reduced their holdings by just 6.6% despite a 49% price decline, indicating strong retention among long-term holders. Since June, funds have added back 87,000 Bitcoin, this time characterized as straightforward buying rather than arbitrage positioning.
Market conditions supporting this shift include changing Federal Reserve expectations. While the Fed held rates steady recently, odds for two rate hikes by year-end dropped from 59% to zero, effectively halving expected tightening. This macroeconomic easing has coincided with renewed inflows into Bitcoin ETFs; October flows flipped green with $724 million arriving in the last eight sessions, offsetting earlier monthly declines. The narrative suggests a transition from fast-money arbitrageurs to foundational long-term capital.
The divergence between hedge fund exits and sovereign wealth entries highlights a structural maturation in the Bitcoin ETF market. Hedge funds operated primarily as arbitrageurs exploiting inefficiencies between spot and futures markets, a strategy dependent on wide spreads. As regulatory clarity and increased liquidity compressed these spreads, the economic incentive for short-term financial engineering vanished. The subsequent entry of sovereign wealth funds and retail holders signals a shift toward asset allocation based on fundamental value or strategic diversification, rather than temporary yield capture.
This transition reduces the volatility associated with leveraged arbitrage unwinds, potentially stabilizing price discovery mechanisms. However, it also concentrates ownership among entities with different time horizons and risk tolerances. Sovereign funds typically operate with multi-year mandates, suggesting that recent inflows may represent sticky capital less prone to rapid flight during minor corrections. Investors should monitor whether this new base of holders maintains positions through future drawdowns, as their behavior will define the next phase of institutional adoption.
