- US spot Bitcoin ETFs recorded a combined $346.9 million in net inflows in the most recent session
- BlackRock’s IBIT led with $166.3 million, followed by Fidelity’s FBTC at $143.2 million and Morgan Stanley’s MSBT at $32.4 million
- BlackRock and Fidelity together accounted for roughly 89% of the day’s total positive flows, with most other issuers flat
US spot Bitcoin ETFs pulled in a combined $346.9 million in net inflows, according to flow data tracked by Farside Investors. The inflow day was concentrated in a small number of the largest funds, with the rest of the category showing little to no net movement, a pattern that has become more common as the initial wave of new-issuer launches has given way to flows dominated by the two largest funds by assets.
BlackRock’s IBIT led all issuers with $166.3 million in net inflows, followed by Fidelity’s FBTC at $143.2 million and Morgan Stanley’s MSBT at $32.4 million. Ark and 21Shares’ ARKB added a further $5.0 million, while Bitwise’s BITB, Invesco’s BTCO, Franklin’s EZBC, Valkyrie’s BRRR, VanEck’s HODL, WisdomTree’s BTCW, and both Grayscale funds recorded no net flow for the session.
BlackRock and Fidelity together accounted for roughly 89% of the day’s total positive flows, underscoring how concentrated demand has become among the two largest and most liquid funds in the category. That concentration has held for much of 2026, as institutional allocators increasingly favor the funds with the deepest trading volume and tightest spreads when adding or trimming bitcoin exposure.
Daily ETF flow data has become one of the more closely watched real-time indicators of institutional sentiment toward bitcoin, since the funds report net creations and redemptions each trading day, in contrast to the slower-moving disclosures typical of other institutional holding structures. A single day’s figure does not by itself indicate a sustained trend, and flows across the category have swung between inflows and outflows repeatedly over the course of 2026 depending on broader market conditions.
The $347 million session adds to a spot bitcoin ETF category that has now been trading for close to two years, giving issuers and analysts a longer history against which to measure any individual day’s flows. Cumulative data published by fund issuers and aggregated by third-party trackers remains the most complete public record of how institutional demand for bitcoin exposure through ETFs has evolved since the funds first launched.
The concentration of flows in IBIT and FBTC also reflects where the bulk of the category’s total assets already sit, since the largest funds tend to attract the largest incremental allocations from institutions rebalancing existing positions. Smaller and more recently launched funds in the category have generally needed a specific catalyst, such as a fee change or a new distribution partnership, to pull inflows away from the two market leaders on any given day.
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