BlackRock clients just scooped up $183.41 million worth of Bitcoin, adding another data point to what’s become the most predictable pattern in crypto this year: institutional money flowing into BTC through regulated vehicles like it’s a subscription service.

The purchase, made through BlackRock’s iShares Bitcoin Trust (IBIT), is the latest in a string of nine-figure inflow days that have defined the firm’s Bitcoin strategy in 2026.

A pattern that’s hard to ignore

On July 6, BlackRock clients invested $209 million into IBIT, which contributed to roughly $266 million in total US spot Bitcoin ETF inflows that day. BlackRock alone accounted for nearly 80% of all the institutional Bitcoin buying happening through ETFs on that single trading session.

On July 15, clients purchased $139 million worth of Bitcoin via IBIT, and an additional $80.82 million inflow was recorded, representing 75% of that day’s total ETF flows.

Then around July 22, another $163 million purchase hit the books. Add in the latest $183M buy, and you’re looking at well over $700 million in IBIT inflows across just a handful of days in July alone.

On January 5, 2026, BlackRock clients acquired 3,948 BTC for $372 million. That single-day purchase earlier this year remains one of the largest on record for any spot Bitcoin ETF.

BlackRock’s Bitcoin empire by the numbers

By mid-July, BlackRock had surpassed 734,000 BTC under its custodianship.

IBIT maintains an estimated 50-60% market share of all spot Bitcoin ETF assets in 2026. Every other spot Bitcoin ETF, from Fidelity’s FBTC to ARK’s ARKB, is competing for the remainder.

What this means for the market

The risk worth noting is concentration. When one entity controls more than half of all ETF-based Bitcoin exposure, any change in BlackRock’s strategy, fee structure, or regulatory status could send shockwaves through the market.