BlackRock's iShares Staked Ethereum Trust (ETHB) has amassed $254 million in assets under management just one week after its launch on Nasdaq. The fund, which debuted on March 12, saw $146 million in investor inflows on top of over $100 million in seed capital provided by BlackRock Financial Management. ETHB stakes between 70–95% of its Ethereum holdings and distributes 82% of the staking rewards to investors via monthly payments, retaining 18% for the trust, custodians, and staking service providers like Figment, Galaxy Blockchain Infrastructure, and Attestant.
The fund charges a 0.25% sponsor fee, discounted to 0.12% for its first year on up to $2.5 billion in assets. It enters a competitive market where Grayscale and REX-Osprey already offer staked Ethereum products. Notably, the Grayscale Ethereum Staking ETF experienced a net outflow of $32.5 million in its first week as a staking ETF in October 2025, coinciding with a broader market downturn.
Concurrently, on-chain data reveals a significant structural shift in the market. Between February 21 and March 19, Bitcoin cumulative netflows on Binance swung by $2.155 billion, moving from a net positive of $55 million to a net negative of $2.1 billion. Ethereum outflows from Binance also deepened by $465 million in the same period. Furthermore, Bitfinex recorded two massive single-day outflows of approximately $1.75 billion on March 4 and $1.57 billion on March 16, contributing to a total of over $5.4 billion leaving Binance and Bitfinex combined.
This exodus of supply from exchanges contrasts sharply with institutional accumulation. U.S. spot Bitcoin ETFs absorbed 45,700 BTC (worth roughly $3.25 billion) between February 24 and March 19, increasing total ETF holdings to between 1.29 million and 1.30 million BTC. This dynamic indicates supply is moving to cold storage and ETF custody rather than being sold on the open market, creating a widening divergence between available exchange liquidity and institutional demand.
