Entity Common Stock, Shares Outstanding of AMERICAN TOWER CORP /MA/ from 12 Feb 2010 to 17 Feb 2026

Taxonomy & unit
dei: shares
Description
Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.
Summary
AMERICAN TOWER CORP /MA/ quarterly Entity Common Stock, Shares Outstanding in shares history and change rate from 12 Feb 2010 to 17 Feb 2026.
  • AMERICAN TOWER CORP /MA/ Entity Common Stock, Shares Outstanding for the quarter ending 17 Feb 2026 was 466,084,820, a 0.44% decline year-over-year.
Source SEC data
View on sec.gov
Entity Common Stock, Shares Outstanding, Quarterly (shares)
Entity Common Stock, Shares Outstanding, YoY Quarterly Change (%)

AMERICAN TOWER CORP /MA/ Quarterly Entity Common Stock, Shares Outstanding (shares)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q1 2026 466,084,820 -2,053,425 -0.44% 17 Feb 2026 10-K 24 Feb 2026 2025 FY
Q3 2025 468,146,623 +857,224 +0.18% 21 Oct 2025 10-Q 28 Oct 2025 2025 Q3
Q2 2025 468,251,225 +1,169,568 +0.25% 22 Jul 2025 10-Q 29 Jul 2025 2025 Q2
Q1 2025 468,138,245 +1,163,226 +0.25% 22 Apr 2025 10-Q 29 Apr 2025 2025 Q1
Q3 2024 467,289,399 +1,124,281 +0.24% 22 Oct 2024 10-Q 29 Oct 2024 2024 Q3
Q2 2024 467,081,657 +926,136 +0.2% 23 Jul 2024 10-Q 30 Jul 2024 2024 Q2
Q1 2024 466,975,019 +931,785 +0.2% 23 Apr 2024 10-Q 30 Apr 2024 2024 Q1
Q3 2023 466,165,118 +559,515 +0.12% 19 Oct 2023 10-Q 26 Oct 2023 2023 Q3
Q2 2023 466,155,521 +568,613 +0.12% 20 Jul 2023 10-Q 27 Jul 2023 2023 Q2
Q1 2023 466,043,234 +9,760,636 +2.1% 19 Apr 2023 10-Q 26 Apr 2023 2023 Q1
Q3 2022 465,605,603 +10,191,906 +2.2% 20 Oct 2022 10-Q 27 Oct 2022 2022 Q3
Q2 2022 465,586,908 +10,445,629 +2.3% 21 Jul 2022 10-Q 28 Jul 2022 2022 Q2
Q1 2022 456,282,598 +11,485,203 +2.6% 20 Apr 2022 10-Q 27 Apr 2022 2022 Q1
Q3 2021 455,413,697 +11,200,337 +2.5% 21 Oct 2021 10-Q 28 Oct 2021 2021 Q3
Q2 2021 455,141,279 +11,573,411 +2.6% 22 Jul 2021 10-Q 29 Jul 2021 2021 Q2
Q1 2021 444,797,395 +1,490,958 +0.34% 22 Apr 2021 10-Q 29 Apr 2021 2021 Q1
Q3 2020 444,213,360 +1,272,925 +0.29% 22 Oct 2020 10-Q 29 Oct 2020 2020 Q3
Q2 2020 443,567,868 +882,766 +0.2% 23 Jul 2020 10-Q 30 Jul 2020 2020 Q2
Q1 2020 443,306,437 +1,283,002 +0.29% 22 Apr 2020 10-Q 29 Apr 2020 2020 Q1
Q3 2019 442,940,435 +2,452,574 +0.56% 24 Oct 2019 10-Q 31 Oct 2019 2019 Q3
Q2 2019 442,685,102 +1,850,044 +0.42% 24 Jul 2019 10-Q 31 Jul 2019 2019 Q2
Q1 2019 442,023,435 +363,516 +0.08% 26 Apr 2019 10-Q 03 May 2019 2019 Q1
Q3 2018 440,487,861 +11,631,485 +2.7% 23 Oct 2018 10-Q 30 Oct 2018 2018 Q3
Q2 2018 440,835,058 +11,657,622 +2.7% 24 Jul 2018 10-Q 31 Jul 2018 2018 Q2
Q1 2018 441,659,919 +16,650,468 +3.9% 24 Apr 2018 10-Q 02 May 2018 2018 Q1
Q3 2017 428,856,376 +3,168,533 +0.74% 24 Oct 2017 10-Q 31 Oct 2017 2017 Q3
Q2 2017 429,177,436 +3,688,224 +0.87% 20 Jul 2017 10-Q 27 Jul 2017 2017 Q2
Q1 2017 425,009,451 +384,654 +0.09% 20 Apr 2017 10-Q 27 Apr 2017 2017 Q1
Q3 2016 425,687,843 +2,117,671 +0.5% 20 Oct 2016 10-Q 27 Oct 2016 2016 Q3
Q2 2016 425,489,212 +2,210,198 +0.52% 21 Jul 2016 10-Q 28 Jul 2016 2016 Q2
Q1 2016 424,624,797 +1,535,789 +0.36% 22 Apr 2016 10-Q 29 Apr 2016 2016 Q1
Q3 2015 423,570,172 +27,107,276 +6.8% 22 Oct 2015 10-Q 29 Oct 2015 2015 Q3
Q2 2015 423,279,014 +27,134,767 +6.8% 22 Jul 2015 10-Q 29 Jul 2015 2015 Q2
Q1 2015 423,089,008 +27,343,293 +6.9% 22 Apr 2015 10-Q 30 Apr 2015 2015 Q1
Q4 2014 396,708,636 +1,691,117 +0.43% 13 Feb 2015 10-K 24 Feb 2015 2014 FY
Q3 2014 396,462,896 +1,822,949 +0.46% 22 Oct 2014 10-Q 30 Oct 2014 2014 Q3
Q2 2014 396,144,247 +1,147,089 +0.29% 21 Jul 2014 10-Q 30 Jul 2014 2014 Q2
Q1 2014 395,745,715 +260,044 +0.07% 22 Apr 2014 10-Q 01 May 2014 2014 Q1
Q4 2013 395,017,519 -85,546 -0.02% 14 Feb 2014 10-K 26 Feb 2014 2013 FY
Q3 2013 394,639,947 -712,914 -0.18% 18 Oct 2013 10-Q 30 Oct 2013 2013 Q3
Q2 2013 394,997,158 -160,859 -0.04% 19 Jul 2013 10-Q 31 Jul 2013 2013 Q2
Q1 2013 395,485,671 +900,349 +0.23% 19 Apr 2013 10-Q 01 May 2013 2013 Q1
Q4 2012 395,103,065 +1,387,889 +0.35% 11 Feb 2013 10-K 27 Feb 2013 2012 FY
Q3 2012 395,352,861 +2,327,716 +0.59% 18 Oct 2012 10-Q 31 Oct 2012 2012 Q3
Q2 2012 395,158,017 -598,569 -0.15% 20 Jul 2012 10-Q 02 Aug 2012 2012 Q2
Q1 2012 394,585,322 -2,045,274 -0.52% 24 Apr 2012 10-Q 03 May 2012 2012 Q1
Q4 2011 393,715,176 -3,897,719 -0.98% 06 Feb 2012 10-K 29 Feb 2012 2011 FY
Q3 2011 393,025,145 -6,054,809 -1.5% 21 Oct 2011 10-Q 02 Nov 2011 2011 Q3
Q2 2011 395,756,586 -5,385,760 -1.3% 22 Jul 2011 10-Q 04 Aug 2011 2011 Q2
Q1 2011 396,630,596 -6,802,588 -1.7% 22 Apr 2011 10-Q 05 May 2011 2011 Q1
Q4 2010 397,612,895 -5,056,560 -1.3% 11 Feb 2011 10-K 28 Feb 2011 2010 FY
Q3 2010 399,079,954 22 Oct 2010 10-Q 05 Nov 2010 2010 Q3
Q2 2010 401,142,346 23 Jul 2010 10-Q 06 Aug 2010 2010 Q2
Q1 2010 403,433,184 23 Apr 2010 10-Q 06 May 2010 2010 Q1
Q4 2009 402,669,455 12 Feb 2010 10-K 01 Mar 2010 2009 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.