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Blackrock Leads $66M Bitcoin ETF Inflow as 9-Day Winning Streak Holds

Reported by Bitcoin
Sep 30, 2026· 2 min read
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Key Takeaways
  • • U.S. bitcoin ETFs extended their consecutive inflow streak to nine trading sessions on September 29, drawing $66.19 million despite a sharp deceleration in buying momentum compared to the prior week.
  • • BlackRock's IBIT led inflows with $51.09 million, while Ark Invest and 21Shares' ARKB contributed $33.24 million; Bitwise's BITB experienced outflows of $18.14 million.
  • • The nine-day winning streak has accumulated over $3 billion in total net inflows, signaling sustained institutional demand for bitcoin exposure even as daily flow sizes have contracted from peak levels exceeding $500 million.
  • • Bitcoin ETF trading volume declined to $1.60 billion, with total net assets in spot bitcoin ETFs reaching $107.96 billion, suggesting investors are becoming more selective while maintaining a constructive bias toward the asset class.
  • • Bitcoin briefly exceeded $85,000 early Wednesday—its first breach of that level in nearly a week—supported by steady institutional accumulation despite moderating velocity.
Summary
U.S. spot bitcoin ETFs maintained positive net inflows for a ninth consecutive trading session on September 29, though the pace of institutional capital allocation has shifted notably toward a more measured cadence. The $66.19 million inflow extends a winning streak that has accumulated over $3 billion since inception, but daily flow sizes have contracted sharply from last week's aggressive accumulation pattern, which saw individual sessions exceed $500 million.

BlackRock's iShares Bitcoin Trust (IBIT) dominated inflows with $51.09 million, underscoring the asset manager's dominance in the spot bitcoin ETF market. Ark Invest and 21Shares' ARKB added $33.24 million, though Bitwise's BITB ETF experienced net outflows of $18.14 million, indicating some reallocation among competing bitcoin fund products. The combination of declining trading volume—which fell to $1.60 billion—alongside continued positive inflows suggests institutional investors are shifting from urgent accumulation into a steadier, more strategic positioning phase. Total net assets in U.S. spot bitcoin ETFs reached $107.96 billion.

The deceleration reflects a market dynamic where the initial wave of institutional demand has plateau'd, but underlying bid strength remains intact. Over the preceding two trading days, just $97 million entered bitcoin ETFs, compared to the multi-hundred-million-dollar daily inflows that characterized the prior week. This pattern indicates that while fresh capital continues flowing into the asset class, the urgency and velocity of that demand have normalized. Bitcoin's price action reflected this steadier institutional sentiment, with BTC briefly climbing above $85,000 early Wednesday—marking its first incursion above that threshold in approximately one week.

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Sources

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Bitcoin Blackrock Leads $66M Bitcoin ETF Inflow as 9-Day Winning Streak Holds