Alex Karp in a purple sweather talking at a conference
Palantir CEO Alex Karp.
  • Palantir CEO Alex Karp went on a bizarre rant against short sellers on Wednesday.
  • The traders "just love pulling down great American companies so they can pay for their coke," he told CNBC.
  • The software company's shares are up 46% this year.

The CEO of Palantir slammed short sellers — who make money by betting that a listed company's stock price will fall — in a bizarre rant on Wednesday.

In an interview with CNBC's "Money Movers," Alex Karp said he took pleasure knowing that traders who'd shorted Palantir would now have less money to spend on cocaine given the software company's shares were up 46% this year.