NYSE:AMT | Shares Outstanding | AMERICAN TOWER CORP /MA/

Complete source-backed shares outstanding history.

Available history
2008-12-31 to 2026-04-21
Data captured

Historical Shares Outstanding

DateShares outstanding
2026-04-21465,893,069
2026-03-31465,990,000
2026-02-17466,084,820
2025-12-31466,318,000
2025-10-21468,146,623
2025-09-30468,291,000
2025-07-22468,251,225
2025-06-30468,224,000
2025-04-22468,138,245
2025-03-31468,127,000
2025-02-18467,457,256
2024-12-31467,384,000
2024-10-22467,289,399
2024-09-30467,276,000
2024-07-23467,081,657
2024-06-30467,077,000
2024-04-23466,975,019
2024-03-31466,964,000
2024-02-20466,352,208
2023-12-31466,296,000
2023-10-19466,165,118
2023-09-30466,160,000
2023-07-20466,155,521
2023-06-30466,134,000
2023-04-19466,043,234
2023-03-31466,038,000
2023-02-16465,646,055
2022-12-31465,619,000
2022-10-20465,605,603
2022-09-30465,602,000
2022-07-21465,586,908
2022-06-30465,585,000
2022-04-20456,282,598
2022-03-31456,277,000
2022-02-17455,884,806
2021-12-31455,772,000
2021-10-21455,413,697
2021-09-30455,409,000
2021-07-22455,141,279
2021-06-30455,031,000
2021-04-22444,797,395
2021-03-31444,793,000
2021-02-18444,384,437
2020-12-31444,330,000
2020-10-22444,213,360
2020-09-30444,190,000
2020-07-23443,567,868
2020-06-30443,561
2020-04-22443,306,437
2020-03-31443,332
2020-02-18442,911,804
2019-12-31442,890,000
2019-10-24442,940,435
2019-09-30442,386,000
2019-07-24442,685,102
2019-06-30442,386,000
2019-04-26442,023,435
2019-03-31441,968,000
2019-02-20441,134,906
2018-12-31441,060,000
2018-10-23440,487,861
2018-09-30440,775,000
2018-07-24440,835,058
2018-06-30441,186,000
2018-04-24441,659,919
2018-03-31441,596,000
2018-02-20440,851,771
2017-12-31428,820,000
2017-10-24428,856,376
2017-09-30429,243,720
2017-07-20429,177,436
2017-06-30429,174,983
2017-04-20425,009,451
2017-03-31426,247,652
2017-02-17427,195,037
2016-12-31427,103,000
2016-10-20425,687,843
2016-09-30425,621,532
2016-07-21425,489,212
2016-06-30425,261,258
2016-04-22424,624,797
2016-03-31424,563,005
2016-02-19423,897,556
2015-12-31423,885,253
2015-10-22423,570,172
2015-09-30423,497,310
2015-07-22423,279,014
2015-06-30423,264,965
2015-04-22423,089,008
2015-03-31423,073,605
2015-02-13396,708,636
2014-12-31396,698,725
2014-10-22396,462,896
2014-09-30396,397,490
2014-07-21396,144,247
2014-06-30396,001,448
2014-04-22395,745,715
2014-03-31395,660,243
2014-02-14395,017,519
2013-12-31394,864,324