ChainCatcher Latest News, HODL15Capital's monitoring data shows that as of December 13, there has been an interesting change in Bitcoin's holding patterns. First, BlackRock IBIT tops the list with a holding of 539,049 BTC, demonstrating its strong influence in the cryptocurrency market. Following closely is Microstrategy (MSTR), holding 423,650 BTC, which continues to solidify its position as an enterprise-level Bitcoin investor. Grayscale GBTC ranks third with 210,093 BTC, reflecting its popularity among institutional investors. This data provides important reference points for market participants, helping them better understand the current market dynamics.