ETFs absorbed approximately 50,000 BTC in March’s rolling 30-day window, the highest since October 2025, CoinDesk reported last week. But nearly all of the sustained institutional buying pressure is coming through two channels — spot ETFs and Strategy — and even the ETF channel is weakening on a weekly basis.

The broader ETP market, which includes leveraged products, short products, and altcoin funds across dozens of countries, is not confirming the “institutions are buying” narrative.

Ether products continued to bleed, posting $53 million in outflows after $222 million the prior week, bringing year-to-date outflows to $327 million. That stands in sharp contrast to Bitmine Immersion Technologies (BMNR), which bought 71,252 ETH last week in its largest single-week purchase since December 2025 and now holds 4.8 million tokens worth roughly $10 billion. ETH fund investors are leaving while the largest corporate ETH buyer on earth is accelerating.

CoinShares’ James Butterfill attributed the ether weakness partly to uncertainty around the CLARITY Act, the stablecoin legislation closely tied to Ethereum’s ecosystem.

The geographic concentration matters for reading where conviction actually sits. The Coinbase Premium Index, which tracks whether bitcoin trades at a premium or discount on the exchange most associated with US institutional flows, has been persistently negative since bitcoin’s all-time high above $126,000 in October 2025.

U.S. buyers are not stepping in at scale, and the ETP data confirms it. The $28 million in US inflows against $157 million from Switzerland suggests the marginal buyer right now is European, not American.

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