<ul data-eligibleForWebStory="true">Institutional funds now hold over 6% of Bitcoin's supply, creating supply-side pressure.BlackRock leads among ETF issuers with 692,876 BTC under management.The average entry price for ETF-held Bitcoin is $73,600, serving as a key support level.Institutions are cautious, with ETF MVRV ratio at 1.43 and many securing profits before cycle peaks.