Best bitcoin ETFs 2025: Fidelity and Grayscale Challenge IBIT

Core Insights - The iShares Bitcoin ETF (IBIT) from BlackRock has rapidly become the largest spot Bitcoin ETF in the U.S., with nearly $100 billion in assets under management (AUM) [1][5] - IBIT controls approximately 60% of all spot Bitcoin ETF assets, but competition is increasing from other ETFs such as those from Fidelity, ARK, and Grayscale, which are focusing on fees and liquidity [2][6] - Investors need to consider various factors when choosing the best Bitcoin ETF, as the market is becoming more competitive [6][8] Group 1: iShares Bitcoin ETF Overview - IBIT allows investors to gain exposure to Bitcoin through an exchange-traded product, simplifying the complexities of direct Bitcoin ownership [3] - The ETF was launched on January 5, 2024, with an expense ratio of 0.25% and a custodian of Coinbase Prime [5] - As of October 9, 2025, IBIT has an AUM of $97.1 billion, providing simplicity and access for investors [5] Group 2: Competitive Landscape - The Fidelity Wise Origin Bitcoin ETF (FBTC) is the second-largest Bitcoin ETF with $25 billion in assets, positioning it as IBIT's main competitor [7] - The competition among Bitcoin ETFs is intensifying, with a focus on performance, cost, and liquidity [8] - Investors are encouraged to evaluate which Bitcoin ETF offers the best performance, lowest costs, and highest liquidity [8]