
KEY POINTS
- Grayscale's GBTC holds the most number of Bitcoins as per the chart
- Internationally, Canada's Purpose BTCC is the Bitcoin holdings leader
- Traditional financial institutions have recently disclosed their massive BTC ETF holdings
Bitcoin exchange-traded funds (ETFs) have come a long way just over four months since their approval by the U.S. Securities and Exchange Commission (SEC) – the ETFs collectively hold more than 1 million Bitcoins or 5% of the world's total BTC supply.