Analyst Ali Martinez has disclosed the staggering amount of Bitcoin held by major US-based spot Bitcoin ETFs. As of January 19, these entities collectively possess 638,900 BTC, valued at around $27 billion. This significant disclosure underscores the deepening integration of Bitcoin into mainstream finance and highlights the growing importance of cryptocurrency in the investment landscape. Grayscale, the largest holder of BTC in the ETF domain, is at the forefront of this BTC acquisition. Their holdings total an impressive 566,973.4051 BTC. This substantial investment cements Grayscale’s position as a dominant player in the cryptocurrency space and propels BTC ETFs above Silver, making them the second-largest commodity ETF by holding size.