Elon Musk has publicly acknowledged owning three cryptocurrencies:
* Bitcoin (BTC): Both Tesla and SpaceX hold significant amounts of Bitcoin.
* Ethereum (ETH): Musk has confirmed owning Ethereum.
* Dogecoin (DOGE): Musk is a well-known supporter of Dogecoin and has openly admitted to owning it.
While he hasn't disclosed the exact amounts he holds, it's clear that he's a major investor in these cryptocurrencies.