More than $2 billion flowed out of U.S. spot bitcoin and ether ETFs last week, while money flowed into products tied to XRP and HYPE.

CryptoSlate, a blockchain media outlet, reported on Sunday that institutional investors appear to be reducing risk exposure to major cryptocurrency ETFs while selectively allocating funds to some altcoin products.

The data covers June 22 to 26. Over the period, about $1.79 billion flowed out of U.S. spot bitcoin ETFs on a net basis, and about $273.5 million left U.S. spot ether ETFs. Total net outflows from the two products came to about $2.06 billion.

By contrast, XRP-related spot ETFs saw net inflows of $22.99 million. Bitwise's XRP ETF drew $16,973,900 and Franklin Templeton's XRPZ took in $3,967,300, leading overall net inflows. HYPE-related products attracted about $111.4 million over the same period. That is about five times the net inflows into XRP ETFs.

Solana (SOL)-related products, however, saw $3.9 million leave on June 25 before taking in $2 million on June 26, ending the week with a small net outflow.

The key to the flow pattern is not a simple altcoin rally but a split in fund allocation. Large redemptions continued in bitcoin and ether ETFs, but money flowed into XRP and HYPE. CryptoSlate described this as broad exposure to bitcoin and ether being cut aggressively, while targeted flows moved into some smaller altcoin products.

XRP, in particular, drew attention for the direction of flows rather than the size. Some institutional money increased exposure to XRP even as bitcoin and ether ETFs posted large redemptions, it said. The outlet said the direction of the flows itself is a more important signal than the absolute size of the funds.

Some analysis also says it is hard to interpret this as a broad rotation into altcoins. HYPE posted strong net inflows, but SOL ended with net outflows. That suggests institutional money may have moved asset by asset depending on characteristics and product structure, rather than the whole market shifting in unison to altcoins.

Differences in product structure are also seen as having had an impact. Spot bitcoin and ether ETFs have already become leading cryptocurrency investment vehicles for institutional investors, but HYPE- and SOL-related products differ in launch timing, scale and management method.

Bitwise's HYPE spot ETF launched in May and combines spot investment with a staking structure. Bitwise's Solana staking ETF also adopts a structure that provides direct SOL investment along with staking rewards.

The explanation is that differences in asset characteristics, liquidity, launch timing, distributor networks of asset managers and investor bases can produce different fund flows even under the same market conditions. CryptoSlate said HYPE's strong net inflows, XRP's limited net inflows and SOL's weakness are more likely the result of different investment judgments than a single institutional investment strategy.

A key point to watch is whether this pattern continues. If XRP and HYPE extend net inflows for several consecutive weeks even as money continues to leave bitcoin and ether ETFs, it could be read as a meaningful reallocation by institutional investors. If outflows from bitcoin and ether ETFs ease and inflows into XRP and HYPE also slow, the latest pattern may be seen as a short-term portfolio adjustment.

The market sees next week's ETF fund flows as an important turning point in judging whether institutional investors are in a phase of reducing overall risk in the cryptocurrency market or selectively increasing exposure to some networks.