BlackRock's iShares Preferred Stock ETF, an ETF of the global asset management firm BlackRock, has increased its stake in Strive (SATA), a company that strategically purchases Bitcoin, whose stock price recently fell sharply. According to BlackRock's disclosure, the ETF increased its holdings by 133% compared to previous levels, totaling 476,974 shares (approximately $47.7 million), after SATA's stock price dropped to around $83.50 in June.