Brian Niccol as CEO of Chipotle has worked magic to improve the performance of Chipotle in the market. Here is a look at the Chipotle’s stock performance during Brian Niccol’s CEO tenure at Chipotle. Brian Niccol started as Chipotle’s CEO in 5th March 2018 and in the six year period Chipotle’s stock has grown over 730%. If you compare that S&P 500’s growth, S&P 500 grew about 107%. At the peak Chipotle’s performance was close to 1000% earlier in 2024.