Whales bought 150 million XRP in the last 48 hours as deep-pocketed investors show increasing interest in the cryptocurrency.The surge in XRP accumulation coincides with the U.S. SEC acknowledging three additional spot XRP ETF filings.The SEC's acknowledgement of the filings indicates a potential shift in regulatory sentiment for XRP ETF approvals.There has been a significant rise in XRP accumulation among major holders, suggesting confidence in its long-term trajectory.