Morgan Stanley disclosed holdings in the Volatility Shares XRP ETF and Grayscale XRP ETF, adding XRP exposure through regulated investment products.The filing comes as Morgan Stanley expands its crypto offerings, including a proposed spot Solana ETF that would hold and stake SOL under the ticker MSOL.XRP investment products attracted $85.8 million in inflows over the past three weeks, while XRP ETFs recorded $1.77 million in net inflows on Thursday.