The average holding cost of the US spot Bitcoin ETF is around $83,000, currently holding about 1.33 million coins, which accounts for approximately 6% of the total supply.

The three major players: BlackRock (IBIT); Fidelity (FBTC); Grayscale (GBTC)

The US-listed company with the largest number of holdings, Strategy (MSTR), has a holding cost of about $74,000, currently holding around 660,000 coins, which accounts for approximately 3% of the total supply.