Common Stock, Shares, Outstanding of AMERICAN TOWER CORP /MA/ from 31 Mar 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
Summary
AMERICAN TOWER CORP /MA/ quarterly Common Stock, Shares, Outstanding in shares history and change rate from 31 Mar 2010 to 31 Dec 2025.
  • AMERICAN TOWER CORP /MA/ Common Stock, Shares, Outstanding for the quarter ending 31 Dec 2025 was 466,318,000, a 0.23% decline year-over-year.
Source SEC data
View on sec.gov
Common Stock, Shares, Outstanding, Quarterly (shares)
Common Stock, Shares, Outstanding, YoY Quarterly Change (%)

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

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 466,318,000 -1,066,000 -0.23% 31 Dec 2025 10-K 24 Feb 2026 2025 FY
Q3 2025 468,291,000 +1,015,000 +0.22% 30 Sep 2025 10-Q 28 Oct 2025 2025 Q3
Q2 2025 468,224,000 +1,147,000 +0.25% 30 Jun 2025 10-Q 29 Jul 2025 2025 Q2
Q1 2025 468,127,000 +1,163,000 +0.25% 31 Mar 2025 10-Q 29 Apr 2025 2025 Q1
Q4 2024 467,384,000 +1,088,000 +0.23% 31 Dec 2024 10-K 24 Feb 2026 2025 FY
Q3 2024 467,276,000 +1,116,000 +0.24% 30 Sep 2024 10-Q 29 Oct 2024 2024 Q3
Q2 2024 467,077,000 +943,000 +0.2% 30 Jun 2024 10-Q 30 Jul 2024 2024 Q2
Q1 2024 466,964,000 +926,000 +0.2% 31 Mar 2024 10-Q 30 Apr 2024 2024 Q1
Q4 2023 466,296,000 +677,000 +0.14% 31 Dec 2023 10-K 25 Feb 2025 2024 FY
Q3 2023 466,160,000 +558,000 +0.12% 30 Sep 2023 10-Q 26 Oct 2023 2023 Q3
Q2 2023 466,134,000 +549,000 +0.12% 30 Jun 2023 10-Q 27 Jul 2023 2023 Q2
Q1 2023 466,038,000 +9,761,000 +2.1% 31 Mar 2023 10-Q 26 Apr 2023 2023 Q1
Q4 2022 465,619,000 +9,847,000 +2.2% 31 Dec 2022 10-K 27 Feb 2024 2023 FY
Q3 2022 465,602,000 +10,193,000 +2.2% 30 Sep 2022 10-Q 27 Oct 2022 2022 Q3
Q2 2022 465,585,000 +10,554,000 +2.3% 30 Jun 2022 10-Q 28 Jul 2022 2022 Q2
Q1 2022 456,277,000 +11,484,000 +2.6% 31 Mar 2022 10-Q 27 Apr 2022 2022 Q1
Q4 2021 455,772,000 +11,442,000 +2.6% 31 Dec 2021 10-K 23 Feb 2023 2022 FY
Q3 2021 455,409,000 +11,219,000 +2.5% 30 Sep 2021 10-Q 28 Oct 2021 2021 Q3
Q2 2021 455,031,000 +11,470,000 +2.6% 30 Jun 2021 10-Q 29 Jul 2021 2021 Q2
Q1 2021 444,793,000 +1,461,000 +0.33% 31 Mar 2021 10-Q 29 Apr 2021 2021 Q1
Q4 2020 444,330,000 +1,440,000 +0.32% 31 Dec 2020 10-K 25 Feb 2022 2021 FY
Q3 2020 444,190,000 +1,804,000 +0.41% 30 Sep 2020 10-Q 29 Oct 2020 2020 Q3
Q2 2020 443,561,000 +1,175,000 +0.27% 30 Jun 2020 10-Q 30 Jul 2020 2020 Q2
Q1 2020 443,332,000 +1,364,000 +0.31% 31 Mar 2020 10-Q 29 Apr 2020 2020 Q1
Q4 2019 442,890,000 +1,830,000 +0.42% 31 Dec 2019 10-K 25 Feb 2021 2020 FY
Q3 2019 442,386,000 +1,611,000 +0.36% 30 Sep 2019 10-Q 31 Oct 2019 2019 Q3
Q2 2019 442,386,000 +1,200,000 +0.27% 30 Jun 2019 10-Q 31 Jul 2019 2019 Q2
Q1 2019 441,968,000 +372,000 +0.08% 31 Mar 2019 10-Q 03 May 2019 2019 Q1
Q4 2018 441,060,000 +12,240,000 +2.9% 31 Dec 2018 10-K 25 Feb 2020 2019 FY
Q3 2018 440,775,000 +11,531,280 +2.7% 30 Sep 2018 10-Q 30 Oct 2018 2018 Q3
Q2 2018 441,186,000 +12,011,017 +2.8% 30 Jun 2018 10-Q 31 Jul 2018 2018 Q2
Q1 2018 441,596,000 +15,348,348 +3.6% 31 Mar 2018 10-Q 02 May 2018 2018 Q1
Q4 2017 428,820,000 +1,717,000 +0.4% 31 Dec 2017 10-K 27 Feb 2019 2018 Q4
Q3 2017 429,243,720 +3,622,188 +0.85% 30 Sep 2017 10-Q 31 Oct 2017 2017 Q3
Q2 2017 429,174,983 +3,913,725 +0.92% 30 Jun 2017 10-Q 27 Jul 2017 2017 Q2
Q1 2017 426,247,652 +1,684,647 +0.4% 31 Mar 2017 10-Q 27 Apr 2017 2017 Q1
Q4 2016 427,103,000 +3,217,747 +0.76% 31 Dec 2016 10-K 28 Feb 2018 2017 Q4
Q3 2016 425,621,532 +2,124,222 +0.5% 30 Sep 2016 10-Q 27 Oct 2016 2016 Q3
Q2 2016 425,261,258 +1,996,293 +0.47% 30 Jun 2016 10-Q 28 Jul 2016 2016 Q2
Q1 2016 424,563,005 +1,489,400 +0.35% 31 Mar 2016 10-Q 29 Apr 2016 2016 Q1
Q4 2015 423,885,253 +27,186,528 +6.9% 31 Dec 2015 10-K 27 Feb 2017 2016 FY
Q3 2015 423,497,310 +27,099,820 +6.8% 30 Sep 2015 10-Q 29 Oct 2015 2015 Q3
Q2 2015 423,264,965 +27,263,517 +6.9% 30 Jun 2015 10-Q 29 Jul 2015 2015 Q2
Q1 2015 423,073,605 +27,413,362 +6.9% 31 Mar 2015 10-Q 30 Apr 2015 2015 Q1
Q4 2014 396,698,725 +1,834,401 +0.46% 31 Dec 2014 10-K 26 Feb 2016 2015 FY
Q3 2014 396,397,490 +1,862,494 +0.47% 30 Sep 2014 10-Q 30 Oct 2014 2014 Q3
Q2 2014 396,001,448 +871,566 +0.22% 30 Jun 2014 10-Q 30 Jul 2014 2014 Q2
Q1 2014 395,660,243 +72,341 +0.02% 31 Mar 2014 10-Q 01 May 2014 2014 Q1
Q4 2013 394,864,324 -226,889 -0.06% 31 Dec 2013 10-K 24 Feb 2015 2014 FY
Q3 2013 394,534,996 -819,432 -0.21% 30 Sep 2013 10-Q 30 Oct 2013 2013 Q3
Q2 2013 395,129,882 +94,622 +0.02% 30 Jun 2013 10-Q 31 Jul 2013 2013 Q2
Q1 2013 395,587,902 +989,621 +0.25% 31 Mar 2013 10-Q 01 May 2013 2013 Q1
Q4 2012 395,091,213 +1,449,134 +0.37% 31 Dec 2012 10-K 26 Feb 2014 2013 FY
Q3 2012 395,354,428 +1,887,217 +0.48% 30 Sep 2012 10-Q 31 Oct 2012 2012 Q3
Q2 2012 395,035,260 -960,863 -0.24% 30 Jun 2012 10-Q 02 Aug 2012 2012 Q2
Q1 2012 394,598,281 -2,467,817 -0.62% 31 Mar 2012 10-Q 03 May 2012 2012 Q1
Q4 2011 393,642,079 -5,035,155 -1.3% 31 Dec 2011 10-K 27 Feb 2013 2012 FY
Q3 2011 393,467,211 -6,143,784 -1.5% 30 Sep 2011 10-Q 02 Nov 2011 2011 Q3
Q2 2011 395,996,123 -5,748,980 -1.4% 30 Jun 2011 10-Q 04 Aug 2011 2011 Q2
Q1 2011 397,066,098 -6,625,581 -1.6% 31 Mar 2011 10-Q 05 May 2011 2011 Q1
Q4 2010 398,677,234 31 Dec 2010 10-K 29 Feb 2012 2011 FY
Q3 2010 399,610,995 30 Sep 2010 10-Q 05 Nov 2010 2010 Q3
Q2 2010 401,745,103 30 Jun 2010 10-Q 06 Aug 2010 2010 Q2
Q1 2010 403,691,679 31 Mar 2010 10-Q 06 May 2010 2010 Q1
* An asterisk sign (*) next to the value indicates that the value is likely invalid.