New data reveals that asset management titan BlackRock's spot Bitcoin (BTC) exchange-traded fund (ETF) saw a record number of outflows earlier this week.

BlackRock's iShares Bitcoin ETF saw its biggest 1-day outflow yesterday as shareholders took profits to the tune of $333 million.

IBIT also secured third place on Bloomberg’s 2024 top 20 ETF leaderboard after it netted $37 billion in year-to-date flows, only behind Vanguard S&P 500 ETF (VOO) and iShares CORE S&P 500 ETF (IVV).

Fidelity Bitcoin ETF (FBTC) saw $357 million in inflows as net flows for 2025 turned positive, indicating institutional demand for BTC.

BlackRock’s Nasdaq-listed IBIT, which holds over $53 billion in net assets, saw over $332 million leave the fund on Thursday, according to data source SoSoValue. These exceed a short-held previous record of $188 million in late December.

BlackRock Inc’s iShares Bitcoin Trust (IBIT) has set a new standard in the exchange-traded fund (ETF) industry. Launched in January 2024, the fund achieved $50 billion in assets under management (AUM) within 11 months.

Key Takeaways BlackRock's iShares Bitcoin Trust experienced a new record of $332.6 million for single-day outflows on Thursday.That brought IBIT outflows to nearly $393 million for the week.Other bitcoin ETFs saw minor inflows,

ETF has performed well since its inception in 2024, a trend that may continue due to the ongoing supply and demand dynamics in the crypto industry. It has added over $54 billion in assets and is one of the market’s most highly traded Bitcoin ETFs,