NYSE:AMT | Market Cap | AMERICAN TOWER CORP /MA/

Historical market capitalization from contemporaneous retained split-adjusted close and filed split-adjusted shares outstanding.

Available history
2008-12-31 to 2026-09-03
Data captured

Historical Market Cap

DateMarket Cap
2026-09-03$82.78B
2026-04-21$81.42B
2026-03-31$80.42B
2026-02-17$90B
2025-12-31$81.87B
2025-10-21$90.06B
2025-09-30$90.06B
2025-07-22$108.8B
2025-06-30$103.49B
2025-04-22$103.44B
2025-03-31$101.86B
2025-02-18$88.61B
2024-12-31$85.72B
2024-10-22$103.49B
2024-09-30$108.67B
2024-07-23$97.86B
2024-06-30$90.79B
2024-04-23$81.34B
2024-03-31$92.27B
2024-02-20$87.86B
2023-12-31$100.66B
2023-10-19$74.32B
2023-09-30$76.66B
2023-07-20$86.08B
2023-06-30$90.4B
2023-04-19$96.99B
2023-03-31$95.23B
2023-02-16$98.72B
2022-12-31$98.65B
2022-10-20$87.53B
2022-09-30$99.96B
2022-07-21$118.91B
2022-06-30$119B
2022-04-20$122.1B
2022-03-31$114.63B
2022-02-17$104.25B
2021-12-31$133.31B
2021-10-21$127.08B
2021-09-30$120.87B
2021-07-22$128.17B
2021-06-30$122.92B
2021-04-22$111.88B
2021-03-31$106.33B
2021-02-18$101.44B
2020-12-31$99.73B
2020-10-22$104.73B
2020-09-30$107.37B
2020-07-23$114.4B
2020-06-30$114.68M
2020-04-22$112.15B
2020-03-31$96.54M
2020-02-18$112.03B
2019-12-31$101.78B
2019-10-24$98.98B
2019-09-30$97.82B
2019-07-24$90.66B
2019-06-30$90.45B
2019-04-26$85.4B
2019-03-31$87.09B
2019-02-20$77.94B
2018-12-31$69.77B
2018-10-23$66.45B
2018-09-30$64.04B
2018-07-24$62.41B
2018-06-30$63.61B
2018-04-24$60.49B
2018-03-31$64.18B
2018-02-20$61.38B
2017-12-31$61.18B
2017-10-24$59.2B
2017-09-30$58.67B
2017-07-20$58.47B
2017-06-30$56.79B
2017-04-20$52.83B
2017-03-31$51.81B
2017-02-17$46.18B
2016-12-31$45.14B
2016-10-20$48.88B
2016-09-30$48.24B
2016-07-21$50.02B
2016-06-30$48.31B
2016-04-22$44.24B
2016-03-31$43.46B
2016-02-19$37.01B
2015-12-31$41.1B
2015-10-22$42.13B
2015-09-30$37.26B
2015-07-22$40.86B
2015-06-30$39.49B
2015-04-22$40.58B
2015-03-31$39.83B
2015-02-13$38.24B
2014-12-31$39.21B
2014-10-22$37.64B
2014-09-30$37.11B
2014-07-21$36.39B
2014-06-30$35.63B
2014-04-22$33.21B
2014-03-31$32.39B
2014-02-14$32.87B