Key Takeaways
- • Brevan Howard reduced its BlackRock iShares Bitcoin Trust (IBIT) holdings by 86% in Q4 2025, cutting its spot position from $2.4 billion to $275 million by divesting 31.2 million shares, leaving a residual stake of 5.5 million shares.
- • The hedge fund replaced the majority of its spot Bitcoin exposure with derivatives, accumulating call options on approximately 8 million IBIT shares (valued at over $400 million) and put options on roughly 5 million shares (valued at over $248 million).
- • The strategic shift reflects a capital efficiency and risk-adjusted returns approach, driven by a narrowing basis that reduced the incentive to hold spot Bitcoin ETFs while leveraging options for targeted exposure management.
- • The repositioning occurred against a backdrop of Bitcoin declining more than 40% from peak levels, with U.S.-listed spot Bitcoin ETFs experiencing net outflows of approximately $8.4 billion since October's sharp selloff.
Summary
Brevan Howard Capital Management has executed a significant strategic repositioning of its Bitcoin exposure, substantially reducing its direct holdings in BlackRock's spot Bitcoin ETF while building a substantial derivatives position. According to regulatory filings dated February 17, the global hedge fund cut its IBIT stake by 31.2 million shares in the fourth quarter of 2025, bringing its holdings down 86% from 36.7 million shares to 5.5 million shares. This reduction lowered the value of its spot position from approximately $2.4 billion to roughly $275 million.
Rather than fully exiting Bitcoin exposure, Brevan Howard has pivoted to a derivatives-based strategy. The fund now holds call options equivalent to approximately 8 million IBIT shares, valued at more than $400 million, alongside put options covering roughly 5 million shares and worth more than $248 million. This repositioning demonstrates a deliberate shift toward capital efficiency and risk-adjusted returns through optionality rather than direct ownership.
The timing of this move aligns with significant headwinds in the Bitcoin market. Bitcoin has declined more than 40% from its peak, and in October, a sharp selloff triggered the liquidation of $19 billion in bullish positions. Following that downturn, U.S.-listed spot Bitcoin ETFs have experienced cumulative net outflows of approximately $8.4 billion. Market analysts have characterized Brevan Howard's repositioning as a response to a narrowing basis—the premium or discount between ETF prices and underlying Bitcoin value—which has reduced the structural incentive to hold spot Bitcoin ETFs as a primary exposure vehicle.
The shift to options-based positioning reflects institutional investors' evolving approach to cryptocurrency exposure as the market matures and derivative instruments become more readily available. By maintaining exposure through call and put options while significantly reducing direct spot holdings, Brevan Howard achieves exposure management with reduced capital deployment and enhanced downside protection mechanisms.
Rather than fully exiting Bitcoin exposure, Brevan Howard has pivoted to a derivatives-based strategy. The fund now holds call options equivalent to approximately 8 million IBIT shares, valued at more than $400 million, alongside put options covering roughly 5 million shares and worth more than $248 million. This repositioning demonstrates a deliberate shift toward capital efficiency and risk-adjusted returns through optionality rather than direct ownership.
The timing of this move aligns with significant headwinds in the Bitcoin market. Bitcoin has declined more than 40% from its peak, and in October, a sharp selloff triggered the liquidation of $19 billion in bullish positions. Following that downturn, U.S.-listed spot Bitcoin ETFs have experienced cumulative net outflows of approximately $8.4 billion. Market analysts have characterized Brevan Howard's repositioning as a response to a narrowing basis—the premium or discount between ETF prices and underlying Bitcoin value—which has reduced the structural incentive to hold spot Bitcoin ETFs as a primary exposure vehicle.
The shift to options-based positioning reflects institutional investors' evolving approach to cryptocurrency exposure as the market matures and derivative instruments become more readily available. By maintaining exposure through call and put options while significantly reducing direct spot holdings, Brevan Howard achieves exposure management with reduced capital deployment and enhanced downside protection mechanisms.
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