According to CoinMeta, as revealed by a new document with the identifier SEC, Swiss banking giant UBS increased its exposure to Bitcoin ETF options by 24 times in the first quarter. The asset management firm, with a scale of $7 trillion UBS, raised its bet on Blackstone's IBIT from 80,000 shares to 1.95 million shares, and also increased its direct holdings by 12%. At the same time, it halved its put protection.