Standard Chartered's head of digital assets predicts Bitcoin could reach $500,000 by 2028 based on SEC 13F filings.Recent filings indicate growing institutional interest in Bitcoin, despite a dip in direct Bitcoin ETF holdings.Government entities increased their stakes in Strategy (formerly MicroStrategy) in Q1 2025, signaling strong demand for Bitcoin.Standard Chartered maintains its forecast of Bitcoin hitting $500,000 by 2028, expecting a 379% increase from the current price of $104,359.