Bitcoin ETFs Hold 6% of Total Supply as Institutional Demand Grows
US spot Bitcoin ETFs now hold about 1.27–1.32 million BTC, representing 6.29% of Bitcoin’s total supply. Their assets under management have reached approximately $102.5 billion, while Bitcoin’s implied market capitalisation stands near $1.63 trillion.
BlackRock’s iShares Bitcoin Trust (IBIT) dominates the sector, holding an estimated 693,000–786,000 BTC and attracting more than $60 billion in cumulative inflows. Across all US spot Bitcoin ETFs, cumulative net inflows are estimated at $55 billion. Grayscale’s GBTC has experienced substantial outflows as investors moved to lower-fee products.
ETF-held Bitcoin is generally kept in custody rather than traded, reducing the amount available in spot markets. Reaching a 10% ownership share would require roughly $60.5 billion in additional ETF assets, assuming Bitcoin’s price remains unchanged. However, stronger demand could lift prices and increase the capital required.
For traders, the Bitcoin ETF trend supports the long-term institutional adoption and supply-squeeze narrative. Short-term price action will still depend on ETF flows, Bitcoin’s market valuation and broader risk sentiment. The article also reports that NEAR Intents’ total value locked reached about $169 million after rising 77.2% in 30 days, although its multi-chain structure introduces additional bridge and smart-contract risks.
Bullish
The news is structurally bullish for Bitcoin because spot ETFs have accumulated more than 1.27 million BTC and removed a significant portion of the asset from readily tradable supply. Continued inflows could increase competition for available coins, particularly when combined with demand from corporate treasuries and other institutional channels. BlackRock’s strong IBIT inflows also suggest that regulated brokerage access is broadening Bitcoin’s investor base.
The immediate market impact may be limited because the figures describe cumulative holdings rather than a new one-day inflow. Traders should monitor daily ETF creations and redemptions, net BTC flows, Bitcoin price momentum, derivatives funding rates and macroeconomic risk appetite. ETF assets can fall in dollar terms during a price correction even if the underlying BTC remains in custody, so the 6% figure does not guarantee sustained upward price movement.
Historically, the launch of US spot Bitcoin ETFs in January 2024 was followed by strong institutional demand and a major Bitcoin rally, although later periods of outflows and macro-driven selling produced sharp pullbacks. In the short term, crowded bullish positioning could increase volatility and trigger profit-taking. Over the longer term, persistent ETF accumulation may reduce liquid supply and strengthen the scarcity narrative, making the overall impact moderately bullish rather than an immediate trading signal.