Strong capital inflows into Bitcoin Spot ETFs had boosted institutional demand earlier in 2025. However, when Bitcoin weakened in the fourth quarter, capital flows slowed and returns varied widely.
Among them is iShares Bitcoin Trust [IBIT] stood out for the wrong reason.
IBIT stood alone in terms of returns
As crypto markets entered a prolonged downturn, institutional positioning weakened and risk appetite declined. That shift left some Bitcoin behind [BTC] ETFs are under pressure, with IBIT posting a rare underperformance.
According to Bloomberg analyst Eric BalchunasIBIT was the only ETF on the 2025 Flow Leaderboard with a negative annual return.
Source: Eric Balchunas about X
The fund posted a decline of 9.59% year-to-date, despite inflows of roughly $25.4 billion. That placed IBIT sixth overall in capital inflows, ahead of several well-performing equity ETFs.
Still, Balchunas noted that the outcome was significant rather than weak. IBIT attracted more capital than gold ETFs, even as gold prices rose more than 64% YTD.
That contrast suggested that investors’ beliefs in Bitcoin remained intact despite short-term price pressures. Raising $25 billion during a weak year signaled perseverance rather than capitulation.
ETF flows lost momentum
However, while other ETFs have posted positive returns, the broader ETF markets have struggled significantly. In 2024, the year ended with net ETF inflows of $4.54 billion, while total assets rose from $27 billion to $105 billion.
Things have changed significantly in 2025, although crypto has boomed. Bitcoin Spot ETFs ended November and December so far with net outflows.

Source: SoSoValue
In fact, total net worth fell from a peak of $150 billion to $114 billion, marking a decline of $36 billion and reflecting a massive capital outflow.
That’s why the broader ETF market underperformed as investors scaled back while others reduced their exposure.
In fact, the Coinbase Premium Index remained largely negative throughout the fourth quarter, only registering a positive value between October and December at the time of writing.

Source: CryptoQuant
This decline was a further indication of the behavior of US institutional investors, who withdrew from the market while others sold. The shift here directly impacted IBIT as a major Bitcoin ETF.
What it means for Bitcoin
Inflows into IBIT and similar ETFs slowed as institutions retreated amid continued weakness. That pattern indicated a cooling-off phase rather than a structural erosion of demand.
Bitcoin’s decline coincided with declining participation from large entities, adding to the downward pressure. Yet history showed that ETF flows tended to recover alongside price stabilization.
A recovery in institutional demand could restore inflows and improve ETF performance.
Until then, IBIT’s pullback reflected timing rather than a rejection of Bitcoin exposure.
Final thoughts
- iShares Bitcoin Trust [IBIT] registered $25 billion in annual flows, representing a decline of 9.5%.
- IBIT flows fell as the broader BTC ETFs saw reduced capital flows, falling by $36 billion from the annual peak.
