On May 16th, Morgan Stanley disclosed in its Q1 13F filing with the SEC that it had invested $269.9 million in the Grayscale Bitcoin Trust (GBTC) to gain exposure to physical bitcoin ETFs. According to Fintel's data, this investment made it one of the largest holders of GBTC, after Susquehanna International Group (which invested $1 billion). Morgan Stanley is also one of many global systemically important banks (G-SIBs) that have disclosed investments in physical bitcoin ETFs, including Royal Bank of Canada, JPMorgan Chase, Wells Fargo, BNP Paribas, and UBS Group.