Bitcoin Spot ETFs Record $3.24B Weekly Inflow, 2nd Highest Ever
Bitcoin spot ETFs saw one of their strongest weeks ever. It is attracting $3.24 billion in net inflows from September 29 to October 3, according to SoSoValue data. The inflow marked the second-highest weekly total in history. This signals strong institutional confidence in Bitcoin amid broader market volatility.
BlackRock’s IBIT Leads the Rally
The largest contributor was BlackRock’s iShares Bitcoin Trust ( IBIT ). Which pulled in $1.82 billion in net inflows over the week. IBIT continues to dominate the Bitcoin ETF market with a cumulative inflow of $62.63 billion. The total assets under management are now reaching $96.20 billion. BlackRock’s product has quickly become the go-to vehicle for traditional investors seeking Bitcoin exposure without direct custody. Its 0.25% management fee and Nasdaq listing have also helped it capture a wide institutional audience.
According to SoSoValue data, daily inflows reached $985.08 million on October 3（UTC+8）. It is pushing the cumulative total inflows across all Bitcoin ETFs to $60.05 billion. Combined assets across all spot ETFs have now climbed to $164.5 billion. It represents 6.74% of Bitcoin’s total market capitalization.
Fidelity and Ark Among Top Gainers
Following BlackRock, Fidelity’s Wise Origin Bitcoin Fund (FBTC) saw weekly inflows of $69.58 million. It is bringing its cumulative total to $12.62 billion and net assets to $25.36 billion. Fidelity’s product remains one of the most actively traded ETFs. With a daily trading volume of over 6.6 million shares and a 1.54% gain in price on October 3（UTC+8）.
Ark Invest and 21Shares’ ARKB ETF also recorded strong performance with $35.48 million in daily inflows. The fund now holds $5.55 billion in assets after steady growth throughout Q3. Other ETFs such as Bitwise’s BITB, VanEck’s HODL, and Grayscale’s BTC also posted modest daily inflows. It ranges between $20 million and $26 million, further strengthening the week’s total. Meanwhile, some smaller funds like Invesco’s BTCO, Valkyrie’s BRRR, and Franklin Templeton’s EZBC saw no net inflows. It’s reflecting a broader consolidation trend among mid-tier issuers.
Institutional Demand Strengthens Despite Uncertainty
The strong inflows come at a time when global markets remain cautious. Due to inflation concerns and regulatory uncertainty in the U.S. Still, Bitcoin ETFs continue to attract consistent capital. It suggests growing confidence from professional investors. Analysts say these inflows indicate a long term accumulation phase. As large institutions allocate more capital through ETFs, the Bitcoin market structure becomes more resilient and transparent.
The trend also reflects how ETFs have simplified Bitcoin access for traditional finance. It removes the technical barriers of wallets and private keys. BlackRock’s IBIT and Fidelity’s FBTC now account for the majority of all ETF inflows. This highlights the institutional concentration within the space. Combined, the two giants represent nearly 60% of all Bitcoin ETF assets in the U.S.
Bitcoin ETF Market Nears New Milestone
As of October 3（UTC+8）, Bitcoin ETF trading volume reached $7.52 billion in a single day. This shows continued investor engagement. The combined total net assets of $164.5 billion mark a significant rise from early-year levels. As ETFs have become a key liquidity channel for Bitcoin. If the current momentum continues, October could see record breaking inflows. That surpasses even the early 2024 peaks. Currently, the data paints a clear picture: Bitcoin ETFs are maturing into one of the strongest performing financial products of 2025. It is bridging the gap between traditional markets and the growing digital asset economy.
Disclaimer: The content of this article solely reflects the author's opinion and does not represent the platform in any capacity. This article is not intended to serve as a reference for making investment decisions.
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