U.S. spot Bitcoin ETF investors pulled 462.7 million USD out of the funds in a single trading week — yet in a striking divergence, Ethereum ETFs took in 196.9 million USD over the same four sessions, according to Farside Investors data.
By Sarah Park | September 12, 2026
The Hook: Four Straight Days of Bitcoin ETF Outflows
Wall Street’s Bitcoin funds have had a rough week. Farside Investors’ daily tallies show U.S. spot Bitcoin ETFs lost money in all four trading sessions of the September 8–11 week (U.S. markets were closed Monday, September 7, for Labor Day). The bleeding started at 46.6 million USD on Tuesday, deepened to 120.2 million USD on Wednesday, peaked at 282.7 million USD on Thursday, and finally eased to just 13.2 million USD on Friday.
The weekly loss wiped out roughly half of the 986.7 million USD the same funds had gained in the previous trading week, when Bitcoin ETFs were riding their strongest inflow streak of 2026. Bitcoin itself is trading around 77,300 USD as of Saturday, down slightly on the day, according to CoinGecko data.
Think of ETF flows as a voting machine for big money. When institutions buy fund shares, new money flows toward Bitcoin. When they redeem, it flows away. This week, the votes were overwhelmingly “away” — with one notable exception sitting in the Ethereum camp.
On-Chain Evidence: Which Funds Bled the Most
The outflows were not evenly spread. Two funds did most of the damage:
- ARK 21Shares’ ARKB — the week’s biggest loser at 234.2 million USD in net outflows, including a single-day loss of 164.3 million USD on Thursday
- Grayscale’s GBTC — 129.1 million USD out for the week, with 65.5 million USD leaving on Tuesday and another 36.4 million USD on Thursday
- BlackRock’s IBIT — the giant took in 10.7 million USD on Tuesday, then bled 19.5 million USD Wednesday, 24.5 million USD Thursday and 19.2 million USD Friday, ending down 52.5 million USD
- Fidelity’s FBTC — down 50.7 million USD for the week, while VanEck’s HODL lost 13.1 million USD
Not everyone ran for the exits. Morgan Stanley’s MSBT was the week’s quiet winner, attracting 19.7 million USD with inflows recorded every single day. Bitwise’s BITB ended nearly flat with a modest 1.9 million USD gain. That pattern matters: the selling was concentrated in a handful of large funds, not a broad institutional stampede.
The Core Conflict: Ethereum Flips Positive While Bitcoin Bleeds
Here is where the story gets interesting for regular investors. Ethereum ETFs entered Friday in the red for the week — down a modest 19.5 million USD across the first three sessions. Then Friday delivered a 216.4 million USD inflow, the kind of single-day surge that flips a whole week’s narrative. Ethereum funds finished the four sessions up 196.9 million USD.
BlackRock’s ETHA did the heavy lifting, pulling in 148.8 million USD on Friday alone and finishing the week up 139.9 million USD. BlackRock’s staked-Ethereum fund ETHB added 55.1 million USD, and Bitwise’s ETHW gained 29.1 million USD — all of it on Friday. Fidelity’s FETH moved the other way with a 3.9 million USD weekly loss, and Grayscale’s ETHE shed 17.3 million USD.
The smaller players told a similar tale of divergence. Solana ETFs eked out a 9.7 million USD gain, driven almost entirely by Bitwise’s BSOL at 9.5 million USD. Meanwhile, the newer Hyperliquid funds lost 26.5 million USD, with Bitwise’s BHYP accounting for 20.2 million USD of that. Across all four ETF groups tracked by Farside, the combined weekly result was a 282.6 million USD net outflow.
For everyday readers: institutional money did not simply leave crypto this week. It rotated — out of Bitcoin funds and, at least on Friday, decisively into Ethereum funds.
Market Implications: Macro Nerves Meet a Rotation Trade
The timing is no accident. Bitcoin’s pullback from the low-80,000s to the mid-70,000s in recent weeks has coincided with a sharp repricing of Federal Reserve expectations. Hotter inflation prints and a tight labor market have pushed traders to price in a high probability of a rate hike at next week’s Federal Reserve meeting — a headwind for risk assets of every kind. When the cost of money rises, investors typically trim their most volatile positions first, and Bitcoin ETFs are an easy lever to pull.
Ethereum’s Friday surge, by contrast, suggests some large investors see value after ETH’s recent underperformance. A single 216.4 million USD day does not make a trend, and ETF flows describe subscriptions and redemptions in U.S.-listed funds — they do not reveal whether those same investors bought or sold coins directly elsewhere. But a rotation from the market’s largest crypto asset into its second-largest is exactly the kind of signal chart-watchers and fund managers track closely.
It also matters for price support. Bitcoin is hovering near its 50-week moving average, a level technicians watch as a line in the sand between bull and bear regimes. Sustained ETF outflows remove a major source of steady demand that helped power Bitcoin’s 2026 rally. If the outflows continue into next week, especially with a Fed decision looming, the mid-70,000s could be retested.
The Verdict: One Bad Week, Not a Breakdown
Context matters here. Even after this week’s 462.7 million USD hit, Bitcoin ETFs were coming off a three-week, multi-billion-dollar inflow streak — the strongest of 2026. One negative week, driven largely by two funds, looks more like profit-taking under macro pressure than a structural loss of faith. The Friday taper to just 13.2 million USD of outflows, plus Ethereum’s late-week surge, hints the selling may be exhausting itself.
For regular investors, the playbook is patience. Watch next week’s Fed decision, watch whether Bitcoin ETF outflows shrink or accelerate, and pay attention to whether Ethereum funds keep drawing money. Rotations like this one often mark turning points — the question is which direction this one turns.
The cryptocurrency market remains highly volatile. This article is for informational purposes only and does not constitute financial advice.
four straight red sessions and the worst one was 282.7M on thursday alone. someone at blackrock is fielding angry phone calls rn
One bad week after months of inflows is barely a dent. IBIT holders are the least skittish crowd in this market.
196.9M into ETH funds the same week BTC bled 462.7M. the rotation trade finally showing up in real flows instead of just ct threads
could be wrong but this looks like desks repositioning short term. we saw eth flip positive for a week in june too and it reversed fast
the june reversal happened while rate expectations were flipping. this time the eth inflows line up with staking and treasury headlines, feels stickier
13.2M on friday after 282.7M on thursday, the bleeding decelerated fast. one green monday and this whole panic week ages poorly
ARKB bled 234 million while IBIT stayed green. money isnt leaving bitcoin, its consolidating into blackrock
consolidating into blackrock is fine until outflows hit IBIT too and theres nowhere left to consolidate into
Same story every quarter now. The expensive funds bleed out and IBIT quietly absorbs it all. Give it a few years and BlackRock basically IS the bitcoin etf market.
btc etfs down 462m and eth funds finally flip green the same week. the divergence crowd is eating good