Billionaire investor Paul Tudor Jones’ Tudor Investment Corp. increased its direct holdings in BlackRock’s spot Bitcoin ETF (IBIT) by 18.9% to 688,529 shares, valued at $22.9 million, in the second quarter, according to a 13F filing submitted on Friday. At the same time, the firm cut its IBIT call option position by 85.2%. The increase comes after a year of the firm selling off the ETF.