Ethereum's price prediction for 2025 has turned bullish as institutional interest shifts from Bitcoin to Ethereum. In Q3 2025, Ethereum ETF inflows reached $9 billion, surpassing Bitcoin for the first time. XWIN Research Japan projects Ethereum fund holdings to double to 6.8 million ETH by October 2025. On-chain data indicates a resurgence in whale activity, with large holders accumulating 218,470 ETH in a week. Currently trading near $3,950, Ethereum could climb to $5,600 if the trend persists.