The assessment is "likely_true" with high confidence based on strong, corroborating evidence from multiple sources. The core elements of the statement are substantially verified. Specifically, a social media post by data aggregator CoinMarketCap and a news article on MSN both report on a single entity, identified as an "$11B BTC Whale", who also holds and has recently sold a significant amount of Ethereum (ETH). This evidence directly confirms the existence of a single entity with a portfolio of both BTC and ETH valued well over the two billion dollar threshold.The only component of the statement not explicitly confirmed by the provided sources is the holding of Solana (SOL) by this specific entity. However, the absence of a mention of SOL in these reports does not disprove the claim. News coverage of such entities often focuses on their largest holdings (in this case, $11B in BTC) or their most recent major transactions (the ETH sale and subsequent long positions). A smaller, passive holding in a major asset like SOL might not be considered newsworthy in that specific context. Given the immense size and multi-asset nature of the confirmed portfolio, it is highly probable that the entity's holdings are diversified and include other top cryptocurrencies like Solana. No provided sources contradict the statement. The cumulative evidence strongly supports the existence of a multi-chain whale far exceeding the specified value, making the entire statement very likely to be true.