Elon Musk said that Tesla sold 10% of its bitcoins. Musk himself does not sell his cue ball.

Dave Portnoy trolled Musk on Twitter, saying that he sold the cue ball, hyped it up, pumped the price into the sky and leaked it.
To which Musk replied that he does not sell his bitcoins, but Tesla sold 10% of its bitcoins.

No, you do not. I have not sold any of my Bitcoin. Tesla sold 10% of its holdings essentially to prove liquidity of Bitcoin as an alternative to holding cash on balance sheet.

- Elon Musk (@elonmusk) April 26, 2021

According to some estimates, Tesla earned about $100 million from the cue ball in a month, more than it has ever made by selling its cars.