Fidelity Bitcoin ETF inflows of $310M stabilize spot BTC funds

By Khal · · 1 min read

Editorial illustration: Two metal pipes pour blue water into a glass tank containing a gold Bitcoin symbol on a round pedestal, with warm sunlight casting diagonal shadows behind it.
AI-generated editorial illustration · AI-generated editorial illustration · Published Sep 19, 2026, 8:32 p.m. (5 hours ago)

In brief

  • Fidelity Bitcoin ETF added $310.7M Friday, anchoring $433M in total inflows
  • Midweek withdrawals of $746.3M on Sept 15-16 coincided with Fed's 25 bp rate hike
  • Weekly net inflows reached $6.1M despite $153.8M gap from midweek losses
  • BlackRock's iShares Bitcoin Trust accumulated more capital over full week

The Week's Volatile Swing

Investors withdrew $746.3 million on Tuesday and Wednesday, a sharp reversal from the positive sentiment that had characterized ETF flows in prior weeks. The timing aligned with the Federal Reserve's policy decision on September 16, when the central bank raised its target range by 25 basis points to 3.75% to 4.00%.

The midweek damage proved difficult to fully recover. Thursday and Friday generated $592.5 million of combined inflows, yet the two-day rebound left a $153.8 million gap against the midweek withdrawals. The week ended with just $6.1 million of net inflows, underscoring how narrow the margin was between a positive and negative weekly result.

Fidelity's Friday Leadership

Fidelity's Wise Origin Bitcoin Fund supplied $310.7 million on Friday, outpacing BlackRock's iShares Bitcoin Trust, which added $108.4 million. The $310.7 million represented nearly 2.9 times BlackRock's Friday haul. Yet Fidelity led the latest session, but BlackRock still attracted more capital over the full week: IBIT accumulated $120.6 million across the five sessions, compared with $79.9 million for FBTC.

Participation in Bitcoin ETF inflows broadened on Friday beyond BlackRock's iShares Bitcoin Trust. Bitwise's BITB, ARK 21Shares' ARKB and VanEck's HODL also posted smaller positive flows, suggesting demand wasn't concentrated in a single product. This broadening matters for assessing whether Friday's recovery reflects genuine renewed interest or simply tactical positioning ahead of the weekend.

"participation broadened on Friday, the rebound recovered most of the midweek damage, and the week itself remained close to flat." — Farside Investors data analysis

Related stories