Weighted Average Number of Shares Outstanding, Basic of AMERICAN TOWER CORP /MA/ from 31 Mar 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: shares
Description
Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
Summary
AMERICAN TOWER CORP /MA/ quarterly and annual Weighted Average Number of Shares Outstanding, Basic in shares history and change rate from 31 Mar 2010 to 31 Dec 2025.
  • AMERICAN TOWER CORP /MA/ Weighted Average Number of Shares Outstanding, Basic for the quarter ending 31 Dec 2025 was 467,922,000, a 0.2% increase year-over-year.
  • AMERICAN TOWER CORP /MA/ annual Weighted Average Number of Shares Outstanding, Basic for 2025 was 467,922,000, a 0.2% increase from 2024.
  • AMERICAN TOWER CORP /MA/ annual Weighted Average Number of Shares Outstanding, Basic for 2024 was 467,011,000, a 0.2% increase from 2023.
  • AMERICAN TOWER CORP /MA/ annual Weighted Average Number of Shares Outstanding, Basic for 2023 was 466,063,000, a 0.98% increase from 2022.
Source SEC data
View on sec.gov
Weighted Average Number of Shares Outstanding, Basic, Quarterly (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Quarterly Change (%)
Weighted Average Number of Shares Outstanding, Basic, Annual (shares)
Weighted Average Number of Shares Outstanding, Basic, YoY Annual Change (%)

AMERICAN TOWER CORP /MA/ Quarterly Weighted Average Number of Shares Outstanding, Basic (shares)

Period TTM Value Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
Q4 2025 467,922,000 +911,000 +0.2% 01 Oct 2025 31 Dec 2025 10-K 24 Feb 2026 2025 FY
Q3 2025 468,287,000 +1,091,000 +0.23% 01 Jul 2025 30 Sep 2025 10-Q 28 Oct 2025 2025 Q3
Q2 2025 468,178,000 +1,140,000 +0.24% 01 Apr 2025 30 Jun 2025 10-Q 29 Jul 2025 2025 Q2
Q1 2025 467,640,000 +1,121,000 +0.24% 01 Jan 2025 31 Mar 2025 10-Q 29 Apr 2025 2025 Q1
Q4 2024 467,011,000 +948,000 +0.2% 01 Oct 2024 31 Dec 2024 10-K 24 Feb 2026 2025 FY
Q3 2024 467,196,000 +1,028,000 +0.22% 01 Jul 2024 30 Sep 2024 10-Q 28 Oct 2025 2025 Q3
Q2 2024 467,038,000 +951,000 +0.2% 01 Apr 2024 30 Jun 2024 10-Q 29 Jul 2025 2025 Q2
Q1 2024 466,519,000 +778,000 +0.17% 01 Jan 2024 31 Mar 2024 10-Q 29 Apr 2025 2025 Q1
Q4 2023 466,063,000 +4,544,000 +0.98% 01 Oct 2023 31 Dec 2023 10-K 24 Feb 2026 2025 FY
Q3 2023 466,168,000 +574,000 +0.12% 01 Jul 2023 30 Sep 2023 10-Q 29 Oct 2024 2024 Q3
Q2 2023 466,087,000 +7,311,000 +1.6% 01 Apr 2023 30 Jun 2023 10-Q 30 Jul 2024 2024 Q2
Q1 2023 465,741,000 +9,795,000 +2.1% 01 Jan 2023 31 Mar 2023 10-Q 30 Apr 2024 2024 Q1
Q4 2022 461,519,000 +10,021,000 +2.2% 01 Oct 2022 31 Dec 2022 10-K 25 Feb 2025 2024 FY
Q3 2022 465,594,000 +10,370,000 +2.3% 01 Jul 2022 30 Sep 2022 10-Q 26 Oct 2023 2023 Q3
Q2 2022 458,776,000 +8,159,000 +1.8% 01 Apr 2022 30 Jun 2022 10-Q 27 Jul 2023 2023 Q2
Q1 2022 455,946,000 +11,460,000 +2.6% 01 Jan 2022 31 Mar 2022 10-Q 26 Apr 2023 2023 Q1
Q4 2021 451,498,000 +7,858,000 +1.8% 01 Oct 2021 31 Dec 2021 10-K 27 Feb 2024 2023 FY
Q3 2021 455,224,000 +11,458,000 +2.6% 01 Jul 2021 30 Sep 2021 10-Q 27 Oct 2022 2022 Q3
Q2 2021 450,617,000 +7,181,000 +1.6% 01 Apr 2021 30 Jun 2021 10-Q 28 Jul 2022 2022 Q2
Q1 2021 444,486,000 +1,431,000 +0.32% 01 Jan 2021 31 Mar 2021 10-Q 27 Apr 2022 2022 Q1
Q4 2020 443,640,000 +1,321,000 +0.3% 01 Oct 2020 31 Dec 2020 10-K 23 Feb 2023 2022 FY
Q3 2020 443,766,000 +1,003,000 +0.23% 01 Jul 2020 30 Sep 2020 10-Q 28 Oct 2021 2021 Q3
Q2 2020 443,436,000 +1,233,000 +0.28% 01 Apr 2020 30 Jun 2020 10-Q 29 Jul 2021 2021 Q2
Q1 2020 443,055,000 +1,704,000 +0.39% 01 Jan 2020 31 Mar 2020 10-Q 29 Apr 2021 2021 Q1
Q4 2019 442,319,000 +2,713,000 +0.62% 01 Oct 2019 31 Dec 2019 10-K 25 Feb 2022 2021 FY
Q3 2019 442,763,000 +1,874,000 +0.42% 01 Jul 2019 30 Sep 2019 10-Q 29 Oct 2020 2020 Q3
Q2 2019 442,203,000 +706,000 +0.16% 01 Apr 2019 30 Jun 2019 10-Q 30 Jul 2020 2020 Q2
Q1 2019 441,351,000 +6,227,000 +1.4% 01 Jan 2019 31 Mar 2019 10-Q 29 Apr 2020 2020 Q1
Q4 2018 439,606,000 +11,425,000 +2.7% 01 Oct 2018 31 Dec 2018 10-K 25 Feb 2021 2020 FY
Q3 2018 440,889,000 +11,608,000 +2.7% 01 Jul 2018 30 Sep 2018 10-Q 31 Oct 2019 2019 Q3
Q2 2018 441,497,000 +14,199,000 +3.3% 01 Apr 2018 30 Jun 2018 10-Q 31 Jul 2019 2019 Q2
Q1 2018 435,124,000 +7,845,000 +1.8% 01 Jan 2018 31 Mar 2018 10-Q 03 May 2019 2019 Q1
Q4 2017 428,181,000 +3,038,000 +0.72% 01 Oct 2017 31 Dec 2017 10-K 25 Feb 2020 2019 FY
Q3 2017 429,281,000 +3,764,000 +0.88% 01 Jul 2017 30 Sep 2017 10-Q 30 Oct 2018 2018 Q3
Q2 2017 427,298,000 +2,389,000 +0.56% 01 Apr 2017 30 Jun 2017 10-Q 31 Jul 2018 2018 Q2
Q1 2017 427,279,000 +3,220,000 +0.76% 01 Jan 2017 31 Mar 2017 10-Q 02 May 2018 2018 Q1
Q4 2016 425,143,000 +6,236,000 +1.5% 01 Oct 2016 31 Dec 2016 10-K 27 Feb 2019 2018 Q4
Q3 2016 425,517,000 +2,142,000 +0.51% 01 Jul 2016 30 Sep 2016 10-Q 31 Oct 2017 2017 Q3
Q2 2016 424,909,000 +1,755,000 +0.42% 01 Apr 2016 30 Jun 2016 10-Q 27 Jul 2017 2017 Q2
Q1 2016 424,059,000 +18,948,000 +4.7% 01 Jan 2016 31 Mar 2016 10-Q 27 Apr 2017 2017 Q1
Q4 2015 418,907,000 +22,949,000 +5.8% 01 Oct 2015 31 Dec 2015 10-K 28 Feb 2018 2017 Q4
Q3 2015 423,375,000 +27,132,000 +6.8% 01 Jul 2015 30 Sep 2015 10-Q 27 Oct 2016 2016 Q3
Q2 2015 423,154,000 +27,282,000 +6.9% 01 Apr 2015 30 Jun 2015 10-Q 28 Jul 2016 2016 Q2
Q1 2015 405,111,000 +9,965,000 +2.5% 01 Jan 2015 31 Mar 2015 10-Q 29 Apr 2016 2016 Q1
Q4 2014 395,958,000 +918,000 +0.23% 01 Oct 2014 31 Dec 2014 10-K 27 Feb 2017 2016 FY
Q3 2014 396,243,000 +1,484,000 +0.38% 01 Jul 2014 30 Sep 2014 10-Q 29 Oct 2015 2015 Q3
Q2 2014 395,872,000 +452,000 +0.11% 01 Apr 2014 30 Jun 2014 10-Q 29 Jul 2015 2015 Q2
Q1 2014 395,146,000 -93,000 -0.02% 01 Jan 2014 31 Mar 2014 10-Q 30 Apr 2015 2015 Q1
Q4 2013 395,040,000 +268,000 +0.07% 01 Oct 2013 31 Dec 2013 10-K 26 Feb 2016 2015 FY
Q3 2013 394,759,000 -485,000 -0.12% 01 Jul 2013 30 Sep 2013 10-Q 30 Oct 2014 2014 Q3
Q2 2013 395,420,000 +677,000 +0.17% 01 Apr 2013 30 Jun 2013 10-Q 30 Jul 2014 2014 Q2
Q1 2013 395,239,000 +1,354,000 +0.34% 01 Jan 2013 31 Mar 2013 10-Q 01 May 2014 2014 Q1
Q4 2012 394,772,000 -939,000 -0.24% 01 Oct 2012 31 Dec 2012 10-K 24 Feb 2015 2014 FY
Q3 2012 395,244,000 +61,000 +0.02% 01 Jul 2012 30 Sep 2012 10-Q 30 Oct 2013 2013 Q3
Q2 2012 394,743,000 -1,856,000 -0.47% 01 Apr 2012 30 Jun 2012 10-Q 31 Jul 2013 2013 Q2
Q1 2012 393,885,000 -3,883,000 -0.98% 01 Jan 2012 31 Mar 2012 10-Q 01 May 2013 2013 Q1
Q4 2011 395,711,000 -5,441,000 -1.4% 01 Oct 2011 31 Dec 2011 10-K 26 Feb 2014 2013 FY
Q3 2011 395,183,000 -5,419,000 -1.4% 01 Jul 2011 30 Sep 2011 10-Q 31 Oct 2012 2012 Q3
Q2 2011 396,599,000 -6,134,000 -1.5% 01 Apr 2011 30 Jun 2011 10-Q 02 Aug 2012 2012 Q2
Q1 2011 397,768,000 -4,578,000 -1.1% 01 Jan 2011 31 Mar 2011 10-Q 03 May 2012 2012 Q1
Q4 2010 401,152,000 01 Oct 2010 31 Dec 2010 10-K 27 Feb 2013 2012 FY
Q3 2010 400,602,000 01 Jul 2010 30 Sep 2010 10-Q 02 Nov 2011 2011 Q3
Q2 2010 402,733,000 01 Apr 2010 30 Jun 2010 10-Q 04 Aug 2011 2011 Q2
Q1 2010 402,346,000 01 Jan 2010 31 Mar 2010 10-Q 05 May 2011 2011 Q1

AMERICAN TOWER CORP /MA/ Annual Weighted Average Number of Shares Outstanding, Basic (shares)

Period Value YoY Chg Change % Start Date End Date Report Filed Fiscal Year Fiscal Period
2025 467,922,000 +911,000 +0.2% 01 Jan 2025 31 Dec 2025 10-K 24 Feb 2026 2025 FY
2024 467,011,000 +948,000 +0.2% 01 Jan 2024 31 Dec 2024 10-K 24 Feb 2026 2025 FY
2023 466,063,000 +4,544,000 +0.98% 01 Jan 2023 31 Dec 2023 10-K 24 Feb 2026 2025 FY
2022 461,519,000 +10,021,000 +2.2% 01 Jan 2022 31 Dec 2022 10-K 25 Feb 2025 2024 FY
2021 451,498,000 +7,858,000 +1.8% 01 Jan 2021 31 Dec 2021 10-K 27 Feb 2024 2023 FY
2020 443,640,000 +1,321,000 +0.3% 01 Jan 2020 31 Dec 2020 10-K 23 Feb 2023 2022 FY
2019 442,319,000 +2,713,000 +0.62% 01 Jan 2019 31 Dec 2019 10-K 25 Feb 2022 2021 FY
2018 439,606,000 +11,425,000 +2.7% 01 Jan 2018 31 Dec 2018 10-K 25 Feb 2021 2020 FY
2017 428,181,000 +3,038,000 +0.72% 01 Jan 2017 31 Dec 2017 10-K 25 Feb 2020 2019 FY
2016 425,143,000 +6,236,000 +1.5% 01 Jan 2016 31 Dec 2016 10-K 27 Feb 2019 2018 Q4
2015 418,907,000 +22,949,000 +5.8% 01 Jan 2015 31 Dec 2015 10-K 28 Feb 2018 2017 Q4
2014 395,958,000 +918,000 +0.23% 01 Jan 2014 31 Dec 2014 10-K 27 Feb 2017 2016 FY
2013 395,040,000 +268,000 +0.07% 01 Jan 2013 31 Dec 2013 10-K 26 Feb 2016 2015 FY
2012 394,772,000 -939,000 -0.24% 01 Jan 2012 31 Dec 2012 10-K 24 Feb 2015 2014 FY
2011 395,711,000 -5,441,000 -1.4% 01 Jan 2011 31 Dec 2011 10-K 26 Feb 2014 2013 FY
2010 401,152,000 01 Jan 2010 31 Dec 2010 10-K 27 Feb 2013 2012 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.