Ethereum (ETH) may be poised to break the $5,000 mark for the first time, according to blockchain analytics platform CryptoQuant.Spot Ethereum ETFs have seen a remarkable surge in holdings, reflecting growing investor interest.Ethereum's total supply has reached 120 million ETH, its highest level since April 2023.Using Ethereum's realized price, CryptoQuant estimates the current upper price limit at $5,200.