
UBS has tripled its investment in BlackRock's iShares Bitcoin Trust (IBIT) to approximately 2.5 million shares worth nearly $90 million as of June 30, according to an August 13 SEC filing. The Swiss bank's position represents a dramatic transformation from its modest 3,600 shares worth less than $150,000 when it entered the Bitcoin ETF market in Q1 2024. The latest filing shows UBS added nearly 2 million shares during the six-month period, with the value increasing from roughly $27 million at the end of 2025 to close to $90 million, representing a gain of about 230% during the first half of 2026. UBS's journey began with a position valued between $125K and $146K in early 2024, which grew to 548,614 shares worth approximately $27.2 million by December 31, 2025, before expanding to 364,000 shares valued at $14 million as of May 2026, before the latest filing revealed the jump to 2.5 million shares at $90 million. As a spokesperson noted, "We recognize the importance of distributed ledger technology like blockchain, which underpins digital assets." The filing does not clarify if the shares belong directly to UBS or its clients, nor does it suggest UBS plans to become a Bitcoin custodian.
UBS has significantly expanded its Bitcoin ETF exposure beyond direct holdings, with call option exposure surging over 24-fold to 1.95 million underlying shares as of June 30, compared to just 80,000 shares three months earlier, according to the latest regulatory filing. This dramatic increase in call options provides UBS the right to acquire IBIT shares at a later date at set prices, representing a substantial increase in potential exposure beyond its direct 407,890 shares worth approximately $13.6 million, up from 364,371 shares at the end of Q1. Simultaneously, UBS reduced its put option exposure by 53% to 143,300 underlying shares from 303,300 at the end of March, indicating a shift toward bullish positioning. The filing does not include strike prices or expirations, making it difficult to determine UBS's net directional exposure from the regulatory disclosure alone.
UBS now joins 1,560 separate organizations that collectively held IBIT shares worth more than $27 billion in Q1 2026, as reported by the latest data. Since the U.S. approved spot cryptocurrency ETFs in January 2024, the assets under management for these products have grown rapidly, with total assets under management for U.S. cryptocurrency ETFs nearing $140 billion. While some hedge funds pulled back on Bitcoin ETF exposure during Q1 2026, banks as a group were increasing their positions. The position's value growth was primarily driven by share count expansion rather than Bitcoin price appreciation, as IBIT's market-price return fell 32.95% during the six months through June 30. UBS's reported 2.5 million shares would account for about 0.19% of IBIT's latest outstanding share count, which remains too small to give the bank control over the fund.
The trajectory demonstrates UBS's evolving approach to digital assets, starting with a modest position in early 2024 and growing to its current substantial stake. UBS has been opening access to IBIT and comparable products for its wealth management clients, meaning the bank's own balance sheet position and its client facilitation business are growing in tandem. The bank is evaluating cryptocurrency trading for private banking clients in Switzerland, with select private banking clients initially gaining access to Bitcoin (BTC) and Ethereum (ETH) trading, according to people familiar with the matter. This expansion could potentially extend to Asia-Pacific and U.S. markets, though UBS has not made final decisions on implementation. The bank continues developing digital-asset services for wealthy customers, including plans to provide select high-net-worth and ultra-high-net-worth private banking clients access to cryptocurrency investments. UBS's Bitcoin ETF stake remains a small fraction of its total assets under management, highlighting a cautious but growing interest in digital assets.
Despite its weak first-half performance, IBIT continues to control a large portion of the U.S. spot Bitcoin ETF market. The fund attracted $183.4 million on July 30, accounting for 78.7% of the $233.1 million entering U.S. products that day. BlackRock reported that IBIT returned negative 32.97% on a net asset value basis during the first half of 2026 and negative 45.62% over the 12 months through June 30. The trust's 52-week net asset value range spans from $33.19 to $71.32 with a 30-day average trading volume of about 35.7 million shares. At press time, Bitcoin trades at $63,433, down over 40% in the past year, though developing legislation globally for crypto and growing institutional interest could help fuel Bitcoin's rebound in the latter half of 2026.