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US Bitcoin ETFs record six straight weeks of net inflows, attracting $3.4 billion

US spot Bitcoin ETFs have recorded six consecutive weeks of net inflows since early April, accumulating approximately $3.4 billion. Although the latest week saw large outflows on Thursday and Friday, overall inflows still increased by $622.75 million, indicating that institutional demand remained strong at the start of the week. Bitcoin price moved with volatility under the influence of ETF inflows, rising to around $82,000 at midweek before falling back and stabilizing near $80,800 over the weekend. According to Sosovalue data, these six weeks of inflows represent the longest continuous inflow streak since August 2025.

‌ETF inflows: top performers‌

Across the six consecutive weeks of net inflows, capital showed significant differentiation, with some ETFs standing out:

‌BlackRock IBIT (iShares Bitcoin Trust)‌: As the leading inflow product, IBIT continued to attract large amounts of capital. For example, during a single-day inflow in mid-April, IBIT recorded a net inflow of $181.9 million; on May 4, its single-day inflow reached $335 million. Its market share has risen from 45% at launch to about 60%, reflecting that large institutional investors tend to concentrate allocations into top products with high liquidity and low fees during pullback periods.

‌Fidelity FBTC (Fidelity Wise Origin Bitcoin Fund)‌: Coming in close behind, FBTC performed strongly during the same period—for instance, it saw a single-day inflow of $147.3 million on April 16 and $184 million on May 4. Its steady inflows highlight the appeal of products from traditional financial giants.

‌ARKB, jointly launched by Ark Invest and 21Shares‌: Also performed well, with its peak single-day inflow reaching $118.7 million in April, indicating growing demand for innovative funds.

‌Other ETFs‌: Bitwise BITB and VanEck HODL also recorded positive inflows, but on a smaller scale. By contrast, GBTC, which has been converted from Grayscale, has remained in long-term net outflow status, mainly due to high fees. Although it briefly turned positive on some days, it overall weighed down the ETF segment’s performance.

This differentiation is driven by investors’ preferences for fee rates, branding, and liquidity, with leading products (such as IBIT and FBTC) becoming the main entry points for capital.

‌Impact on Bitcoin price‌

ETF capital inflows are a key factor driving Bitcoin price volatility, specifically:

‌Supporting upward price movement‌: Continuous net inflows provide strong buy-side support, pushing Bitcoin’s price to around $82,000 midweek (early May). Large-scale institutional inflows (such as weekly inflows exceeding 25,000 BTC) strengthen market confidence, offsetting some selling pressure, and helping establish a new support level above $80,000.

‌Short-term volatility and pullbacks‌: Inflow data is tightly correlated with price action. Strong inflows at the start of the latest week helped lift prices toward $82,000, but large outflows on Thursday and Friday (totaling more than $400 million) triggered profit-taking and short covering, causing prices to fall back. Over the weekend, prices stabilized near $80,800, reflecting the market’s battle at a key resistance level ($82,000). If this level is broken, it could trigger short covering and push prices into the $85,000–$100,000 range; conversely, if ETF demand weakens, prices may retreat to $75,000–$78,000 and trade in a range.

‌Structural impact‌: Over the long term, ETF inflows (such as the cumulative $3.4 billion of capital) improve Bitcoin’s market structure, reducing volatility and enhancing the risk-to-reward profile. Historical data shows that environments with negative funding rates (where shorts pay) often correspond to positive returns over the medium term. However, in the short term, prices are still influenced by macro factors—such as geopolitical tensions (Middle East conflicts) or inflation data—which may amplify the risk of drawdowns.