BlackRock’s IBIT dominates Bitcoin ETFs with $107.9 million in inflows

Spot Bitcoin ETF flows slowed somewhat heading into the weekend but picked back up modestly by March 26, with BlackRock’s IBIT again leading the charge.

According to data from Farside, March 25 saw IBIT add $42.0 million of inflows, partially offset by a $10.1 million outflow from Bitwise’s BITB and a $5.1 million outflow from Grayscale’s GBTC. Overall, the day netted $26.8 million in total inflows.

By contrast, March 26 recorded a more decisive swing to the upside, as IBIT posted $107.9 million of new capital while BITB shed $18.3 million, culminating in a $89.6 million net inflow for the day.

Table showing spot Bitcoin ETF flows from March 6 to March 26, 2025 (Source: Farside)

Comparing these last two days with the prior week shows a moderate cooling in broad-based activity but a continued bias toward net positives.

During the week of March 18–24, single-day totals like March 18’s $209.1 million and March 20’s $165.7 million signaled strong institutional engagement across multiple issuers. This contrasted with quieter sessions such as March 19, when only $11.8 million in net inflows were recorded.

By March 25, inflows had become more narrowly concentrated around IBIT, with less participation from the other major funds.

Interestingly, many ETFs that had been active in previous sessions posted zero flows over the past two days. Notable among these are Fidelity’s FBTC, Ark’s ARKB, Invesco’s BTCO, Franklin’s EZBC, Valkyrie’s BRRR, VanEck’s HODL, and WisdomTree’s BTCW, all of which have been entirely flat since March 24.

Even Grayscale’s GBTC recorded no flows, leaving IBIT to carry the bulk of recent inflows. The consistent silence from these ETFs suggests investors may be sitting on the sidelines or rotating into specific funds, namely IBIT, which continues to see the lion’s share of capital.

While flows are somewhat smaller than the sizable injections seen earlier in the month, the market still appears to favor a net positive trend, primarily driven by ongoing enthusiasm for IBIT.

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