US Bitcoin ETF net outflows of $450.4 million on September 15, 2026.

US Bitcoin ETFs Post $450.4M in Daily Net Outflows

Luke Wong
Luke Wong
Updated on 09/16/2026 08:03:01

Fidelity and BlackRock funds accounted for 83.6% of September 15 net outflows. The two-day balance stood at minus $290.5 million.

Key Takeaways

  • Fidelity’s FBTC and BlackRock’s IBIT accounted for 83.6% of the day’s net outflows.
  • The combined September 14–15 balance was a net outflow of $290.5 million.

Details

US spot Bitcoin ETFs tracked by Farside Investors recorded $450.4 million in net outflows for the September 15, 2026 trading session, reversing the previous session’s $159.9 million net inflow.

FBTC led with $214.8 million in net outflows, followed by IBIT at $161.7 million. GBTC posted $44.1 million, ARKB $17.4 million and BITB $12.4 million in net outflows. The other tracked funds recorded zero net flows.

Figures are from Farside’s table accessed September 16 and may be revised.

Market Analysis

FBTC and IBIT’s combined $376.5 million accounted for 83.6% of the group’s $450.4 million net outflow. The outflow more than offset September 14’s inflow, leaving the two-session balance at minus $290.5 million.

ETF flows and share trading operate through separate channels. IBIT’s fund fact sheet explains that investors trade shares through brokerage accounts, while authorized participants create or redeem baskets with the trust.

Note: This article is for news reporting purposes only and does not constitute investment advice.

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