BlackRock’s iShares Bitcoin Trust has pushed its Bitcoin stash to a fresh record: 806,700 BTC, valued around $63.7 billion as Bitcoin traded near the high-$70,000s. The milestone follows a stretch of steady buying that has rebuilt the fund’s lead position in the spot-ETF race and underscored how quickly institutional demand can return once flows flip.
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The accumulation came after nine consecutive trading days of net inflows, during which the fund added roughly 21,500 BTC. By share of the U.S. spot Bitcoin ETF market, IBIT now represents about half of total assets, widening the gap versus other major products.
ETF Flows Are Broadly Positive Again & IBIT’s Doing The Heavy Lifting
Industry flow trackers show the broader U.S. spot Bitcoin ETF group has moved back into positive territory across multiple rolling time windows, a shift market watchers hadn’t seen for months. One recent session alone brought roughly $335.8 million of net inflows into the category, with IBIT accounting for the bulk—about $246.9 million.
Over the past several weeks, the spot Bitcoin ETF complex has also reversed a prior stretch of outflows, adding around $2 billion in net new money over a four-week run. Reports suggest IBIT contributed the overwhelming majority of that total, effectively setting the pace for the entire category.
Competition For “Top G” Tightens Up: Good For Product Innovation?
Even with IBIT at an all-time high, it isn’t the only institution vacuuming up supply. MicroStrategy has again edged past the fund as the largest single holder cited in recent updates, with roughly 815,061 BTC on its balance sheet—only a narrow margin ahead.
Meanwhile, the ETF playbook itself keeps evolving. Filings are circulating for income-oriented Bitcoin ETF structures that aim to generate yield using options strategies while maintaining Bitcoin-linked exposure.
If those products reach the market, they could attract a different slice of capital—allocators looking for a familiar “income” wrapper rather than pure spot exposure.
Simply put, the ETF demand is back in control of the narrative. When the biggest funds are absorbing billions in a short window, liquidity and positioning can shift fast—sometimes even quicker than headlines suggest.
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