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EARNINGS PER COMMON SHARE | 6 Months Ended
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Jun. 30, 2025
Earnings Per Share [Abstract] |
EARNINGS PER COMMON SHARE | EARNINGS PER COMMON SHARE The following table sets forth basic and diluted net income per common share computational data (shares in thousands, except per share data):
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
Net income from continuing operations attributable to American Tower common stockholders |  | $ | 366.8 |  |  | $ | 761.8 |  |  | $ | 855.5 |  |  | $ | 1,587.5 |
Net income from discontinued operations attributable to American Tower common stockholders |  | — |  |  | 138.5 |  |  | — |  |  | 230.2 |
Net income attributable to American Tower Corporation common stockholders |  | $ | 366.8 |  |  | $ | 900.3 |  |  | $ | 855.5 |  |  | $ | 1,817.7 |
Basic weighted average common shares outstanding |  | 468,178 |  |  | 467,038 |  |  | 467,909 |  |  | 466,778 |
Dilutive securities |  | 613 |  |  | 743 |  |  | 808 |  |  | 1,015 |
Diluted weighted average common shares outstanding |  | 468,791 |  |  | 467,781 |  |  | 468,717 |  |  | 467,793 |
Basic net income from continuing operations attributable to American Tower Corporation common stockholders |  | $ | 0.78 |  |  | $ | 1.63 |  |  | $ | 1.83 |  |  | $ | 3.40 |
Basic net income from discontinued operations attributable to American Tower Corporation common stockholders |  | — |  |  | 0.30 |  |  | — |  |  | 0.49 |
Basic net income attributable to American Tower Corporation common stockholders per common share |  | $ | 0.78 |  |  | $ | 1.93 |  |  | $ | 1.83 |  |  | $ | 3.89 |
Diluted net income from continuing operations attributable to American Tower Corporation common stockholders |  | $ | 0.78 |  |  | $ | 1.63 |  |  | $ | 1.83 |  |  | $ | 3.39 |
Diluted net income from discontinued operations attributable to American Tower Corporation common stockholders |  | — |  |  | 0.30 |  |  | — |  |  | 0.49 |
Diluted net income attributable to American Tower Corporation common stockholders |  | $ | 0.78 |  |  | $ | 1.92 |  |  | $ | 1.83 |  |  | $ | 3.89 |
Shares Excluded From Dilutive Effect—The following shares were not included in the computation of diluted earnings per share because the effect would be anti-dilutive (in thousands, on a weighted average basis)
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
Restricted stock units |  | 0 |  |  | 646 |  |  | 1 |  |  | 287 |

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