BlackRock Secures 82% of Inflows as Fidelity Bitcoin ETF Gathers $64.7 Million
Fidelity's FBTC ETF saw $64.74M in inflows on August 20, while BlackRock's IBIT captured 82% of the $606.3M total category inflows. FBTC's price rose 6.65% to $67.47, tracking Bitcoin's surge. BlackRock's market share growth outpaced Fidelity's asset growth.
How this was made

The 30-second read
Why it matters
The inflow data highlights a redistribution of capital toward BlackRock's product, which may affect relative pricing and AUM‑based fee revenue for the funds.
Market read
The fresh inflow figures provide a short‑term trading edge for Bitcoin ETF positions and indicate shifting investor preferences within the crypto ETF space.
What to watch
Potential regulatory scrutiny on crypto ETFs and the impact of Treasury bond‑buyback news on dollar strength.
Background
Spot Bitcoin ETFs have seen a four‑day streak of net inflows, the highest since May, amid macro cues from Treasury bond‑buyback announcements.
Ticker impact
BlackRock's iShares Bitcoin Trust (IBIT) pulled in $502.99 million on Aug 20, accounting for ~82% of total spot Bitcoin fund inflows.
IBIT may see short‑term price appreciation; BLK could benefit from higher AUM fees.
The magnitude of the inflow is material and new, indicating fresh investor capital entering the fund.
Fidelity's Bitcoin ETF (FBTC) recorded $64.74 million of inflows on Aug 20, a 0.58% increase to its $11.22 billion assets.
FBTC may see limited price movement; relative underperformance could pressure its NAV.
The inflow is smaller and less market‑moving than BlackRock's, but still a fresh data point.
iShares Bitcoin Trust (IBIT) attracted $502.99 million in fresh inflows on Aug 20, about 0.97% of its $51.75 billion assets.
IBIT likely to experience short‑term price uplift as new capital is added.
The inflow size is material and represents the first report of this day's data.
Market effects
Spot Bitcoin ETF inflows signal growing institutional demand for crypto exposure.
U.S. crypto fund flows may boost broader crypto market sentiment.
Large inflows into leading U.S. Bitcoin ETFs could influence global crypto price dynamics.
Counterpoint
The concentration of inflows in BlackRock may indicate over‑reliance on a single provider; a shift could hurt IBIT if sentiment changes.
Key entities
- CompanyBlackRock, Inc.
Asset manager whose iShares Bitcoin Trust (IBIT) captured the majority of inflows.
- CompanyFidelity Investments
Provider of the Fidelity Bitcoin ETF (FBTC) with modest inflows.




