According to Cas Abbé, Ethereum treasury companies now hold 3.59% of ETH supply, while Bitcoin treasury companies hold 3.49% of BTC supply, making ETH lead in percentage of supply held by DATs; source: Cas Abbé on X, Sep 30, 2025. Based on Abbé’s figures, the spread is 0.10 percentage points (10 bps), indicating a marginal tilt toward ETH among corporate treasuries at this snapshot; source: Cas Abbé on X, Sep 30, 2025. Abbé added that ETH appears to be the new institutional favorite, signaling a potential shift in institutional preference that traders can benchmark via ETH vs BTC treasury-holdings metrics; source: Cas Abbé on X, Sep 30, 2025.