As per the latest report, the Ethereum treasury has totaled ~$970 million. In this, ~$788.7 million worth of holding is in crypto and a large part of it comes from ETH tokens. On the other hand, $181.5 million worth of investment is made in non-crypto-related assets. Moreover, its ETH holdings represent around 0.26% of Ethereum’s total supply. The Ethereum Foundation clarified that its treasury serves as a financial backbone for its vital projects within the growing Ethereum ecosystem. Furthermore, the Foundation periodically converts a portion of its ETH holdings to fiat currency to maintain liquidity during times of market uncertainty.
Source: https://coinpedia.org/crypto-live-news/ethereum-ecosystem-treasury-tops-22-billion/