TransDigm Group Inc. Industrials | S&P 500 | TDG | | 2019 - 107,103 2020 - 99,641 2021 - 97,262 -9% | 2019 - 381,931 2020 - 369,289 2021 - 357,973 -6% | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - 629,469 2020 - 583,881 2021 - 621,958 Fluctuating | 2019 - No data 2020 - No data 2021 - No data No data | 2019 - No data 2020 - No data 2021 - No data No data |