Tom GerkenTechnology reporter
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Tesla made a $140m (£113.5m) loss on its Bitcoin investments in 2022, according to filings.
The electric car maker told the US regulator it lost $204m on Bitcoin overall, though it gained back $64m through trading.
It changed course a few weeks later, and Tesla has since sold most of its Bitcoin holdings.
It now holds about $184m of Bitcoin.
Mr Musk has been among the most high-profile champions of cryptocurrency, with his pronouncements on social media often driving significant trading activity.
According to the UK Treasury, Bitcoin's global annual energy consumption is estimated to be roughly 39% of the UK's - and some estimates put the cryptocurrency's even higher.