According to @lookonchain, on June 12, nine ETFs collectively reduced their Bitcoin holdings by 2,199 BTC, equivalent to a $153.4 million decrease. Specifically, ARK21Shares reduced its holdings by 840 BTC, a $58.6 million decrease, leaving it with 48,199 BTC valued at $3.36 billion. Grayscale decreased its holdings by 580 BTC, a $40.5 million reduction, and now holds 283,966 BTC valued at $19.81 billion. These changes could indicate a cautious stance among institutional investors.