- US spot Bitcoin ETFs recorded a combined net inflow of $190.7 million on September 24, 2026
- BlackRock’s IBIT led the day with $162.6 million in inflows, followed by Fidelity’s FBTC at $12.9 million
- Year-to-date net inflows across the category stand at roughly $57.481 billion
US spot Bitcoin exchange-traded funds pulled in a combined net inflow of $190.7 million on September 24, 2026, according to daily flow data tracked by Farside Investors. BlackRock’s IBIT led all funds for the day with $162.6 million in net inflows, continuing its position as the category’s dominant fund by both daily flow and cumulative assets since the US spot Bitcoin ETFs launched.
Fidelity’s FBTC took in a further $12.9 million on the same day, the second-largest inflow among the tracked funds, while the data show most of the remaining spot Bitcoin ETFs recorded minimal or no net flow at all that day. The concentration of inflows in the two largest funds reflects a pattern that has held for much of the category’s history, where BlackRock and Fidelity’s products attract the bulk of new institutional allocation relative to smaller competing funds.
The day’s positive figure extends a broader year-to-date trend: cumulative net inflows across all US spot Bitcoin ETFs tracked by Farside now stand at roughly $57.481 billion, a figure that reflects the category’s performance since inception rather than only 2026 activity. That cumulative total gives context to any single day’s flow, since a $190.7 million inflow represents a small fraction of the overall base of assets these funds have accumulated.
Farside’s dataset, compiled from issuer and exchange-reported figures, has become one of the standard reference points for tracking institutional demand for direct Bitcoin exposure through regulated fund structures, distinct from spot trading volume on cryptocurrency exchanges themselves. Because the data is published daily, a single day’s inflow or outflow is generally read alongside the trailing days and weeks rather than in isolation, since day-to-day flows can swing significantly based on broader market conditions.
The steady dominance of IBIT and FBTC in daily flow tables also underscores how concentrated the spot Bitcoin ETF category remains among its earliest and largest entrants, even as more than a dozen other issuers compete for the same institutional and retail allocators. Analysts who track the category typically watch for consecutive days of net inflows or outflows as a stronger signal of shifting sentiment than any single day’s total, given how much a handful of large trades from a small number of funds can move the aggregate number.
The September 24 inflow came during a period when several other US spot Bitcoin ETF trading days in the same stretch showed comparatively smaller or negative flows, based on the same Farside dataset, making BlackRock and Fidelity’s contributions on this particular day a larger share of the category’s net positive movement than would be typical during a broader, more evenly distributed inflow trend.
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