According to @lookonchain, on June 13, nine ETFs collectively reduced their Bitcoin holdings by 316 BTC, equivalent to a $21.25 million decrease. Fidelity, on the other hand, added 743 BTC, increasing its holdings to 174,349 BTC, valued at $11.74 billion. Meanwhile, Grayscale decreased its holdings by 1,807 BTC, translating to a $121.62 million reduction, bringing its total to 282,159 BTC, worth $19 billion. These movements highlight varying institutional strategies in Bitcoin investment.