Jane Street shifts to Ethereum, cuts Bitcoin ETF exposure

Jane Street trimmed its Bitcoin ETF positions and opened new Ethereum fund allocations in the first half of 2026, marking the firm’s first documented tilt toward the leading altcoin. The move follows a broader institutional trend where firms are reallocating capital from Bitcoin‑centric products to Ethereum‑focused exposure.

The shift arrives as spot Bitcoin ETFs, launched in January 2024, have reshaped how institutions hold the digital gold. BlackRock’s iShares Bitcoin Trust (IBIT) amassed over $54 billion in assets‑under‑management, the fastest ETF launch ever, while Grayscale’s Bitcoin Trust (GBTC) was forced to convert to a spot fund and now trades at a premium to its net‑asset value [1]. Those vehicles gave pension funds, RIAs and 401(k) plans a familiar on‑ramp to Bitcoin, but the growing availability of Ethereum‑linked products is prompting a re‑evaluation of risk‑return profiles.

Jane Street’s rebalancing was highlighted by market commentator Deci, who noted that the firm’s addition of ETH funds does not make it an “ETH maximist” but does reflect a “real rotation” among large traders [2]. The rationale appears tied to Ethereum’s expanding role in decentralized finance, tokenization and blockchain infrastructure, which analysts now view as a separate macro asset class alongside Bitcoin and gold. This perception is reinforced by recent on‑chain data: Santiment reported that Ethereum’s network realized its highest profit margin in three weeks, even as the price slipped 5.5% over three days, indicating that lower‑cost‑basis holders are cashing in on the dip [2].

The broader context underscores why Jane Street’s move matters. Bitcoin’s spot ETFs have attracted nearly $59 billion of institutional liquidity, anchoring the price around $77,000 [3]. Meanwhile, Ethereum’s first institutional yield product now passes staking rewards directly to fund holders, offering a cash‑flow advantage that Bitcoin lacks [3]. As institutions weigh the lower technical risk of Bitcoin against Ethereum’s potential upside from upgrades like the upcoming Glamsterdam hard fork, the choice between a pure store of value and a financial infrastructure asset becomes more pronounced.

If Jane Street’s reallocation signals a wider trend, the next question is how quickly other major traders will follow suit and whether Ethereum’s growing on‑chain profit activity will translate into sustained inflows, potentially reshaping the balance of institutional crypto exposure.