Key Takeaways:U.S. spot Ether ETFs drew a record $726.6 million in daily inflows on Wednesday.BlackRock and Fidelity led the surge, with ETHA contributing $499M.ETFs now hold over 5 million ETH, or 4% of circulating supply.ETH price jumped 7.2% in 24 hours, while altcoins like XRP, SOL, and DOGE posted strong gains.Corporate treasuries now hold $5.33B in ETH, led by SharpLink and BitMine.Spot Ether ETFs in the U.S. logged their largest-ever daily inflow on Wednesday, pulling in $726.6 million as Ether and altcoins surged in tandem.According to Farside Investors, the record was led by BlackRock’s ETHA, which attracted $499 million in net inflows. Fidelity’s FETH followed with $113 million, marking the second-highest gain for the day.The inflows pushed total ETF holdings above 5 million ETH, accounting for more than 4% of Ethereum’s circulating supply, according to data from Trader T.This inflow surpasses the previous record of $428 million, set on Dec. 5, 2024, by nearly 70%.ETF Demand Outpaces ETH IssuanceData from Ultra Sound Money shows that in the past 24 hours, just $6.74 million worth of ETH was newly issued, while ETFs purchased nearly 107 times that amount on the same day — a staggering ratio highlighting institutional demand.ETH and Altcoins Outperform BitcoinETH surged to $3,418, marking a 7.2% gain in the past 24 hours and a 30% rise over the past two weeks, per CoinGecko.Analyst Matthew Hyland suggested that Bitcoin dominance may have peaked, noting that a further decline toward 45% dominance could fuel an altcoin supercycle. Currently, BTC dominance stands at 61%.Top altcoin performers in the past 24 hours include:XRP: +7.6% to $3.13BNB: +3.4% to $717.46Solana (SOL): +5.2% to $172.22Dogecoin (DOGE): +6.9% to $0.2104Tron (TRX): +3.2% to $0.2943Cardano (ADA): +3.5% to $0.7668Meanwhile, Bitcoin gained just 0.7%, showing signs of short-term consolidation.Corporate ETH Holdings Hit $5.3 BillionInstitutional appetite for Ether extends beyond ETFs. Corporate ETH treasuries now hold $5.33 billion, representing 1.33% of ETH’s circulating supply, according to Strategic ETH Reserve.Among the notable buyers:SharpLink Gaming added $68 million in ETH in 24 hours, bringing its 8-day total to $343 million, per Lookonchain.World Liberty Financial, reportedly backed by President Donald Trump, bought another $5 million at $3,266 — above its prior average price range.BitMine Immersion Technologies, chaired by Tom Lee of Fundstrat, disclosed a treasury position exceeding $500 million in ETH, according to cointelegraph.