| Type | Filed | Filer | Subject | Shares Owned | Percent Owned | |
|---|---|---|---|---|---|---|
| SC 13G/A | 2024-02-13 | VANGUARD GROUP INC | AMERICAN TOWER CORP /MA/ | 61,022,228 | 13.1% | EDGAR |
| SC 13G/A | 2024-01-26 | BlackRock Inc. | AMERICAN TOWER CORP /MA/ | 36,781,145 | 7.9% | EDGAR |
| SC 13G/A | 2023-02-09 | VANGUARD GROUP INC | AMERICAN TOWER CORP /MA/ | 61,431,926 | 13.2% | EDGAR |
| SC 13G/A | 2023-01-31 | BlackRock Inc. | AMERICAN TOWER CORP /MA/ | 35,910,225 | 7.7% | EDGAR |
| SC 13G/A | 2022-02-09 | VANGUARD GROUP INC | AMERICAN TOWER CORP /MA/ | 59,157,936 | 13.0% | EDGAR |
| SC 13G/A | 2022-02-01 | BlackRock Inc. | AMERICAN TOWER CORP /MA/ | 36,636,712 | 8.0% | EDGAR |
| SC 13D | 2021-04-16 | AMERICAN TOWER CORP /MA/ | AST SpaceMobile, Inc. | 4,670,657 | 8.6% | EDGAR |
| SC 13G/A | 2021-02-10 | VANGUARD GROUP INC | AMERICAN TOWER CORP /MA/ | 56,124,669 | 12.6% | EDGAR |
| SC 13G/A | 2021-01-29 | BlackRock Inc. | AMERICAN TOWER CORP /MA/ | 34,348,573 | 7.7% | EDGAR |
| SC 13G/A | 2020-02-11 | VANGUARD GROUP INC | AMERICAN TOWER CORP /MA/ | 58,454,147 | 13.2% | EDGAR |
| SC 13G/A | 2020-02-05 | BlackRock Inc. | AMERICAN TOWER CORP /MA/ | 32,118,657 | 7.3% | EDGAR |
| SC 13G/A | 2020-01-28 | WELLINGTON MANAGEMENT GROUP LLP | AMERICAN TOWER CORP /MA/ | 17,454,893 | 3.9% | EDGAR |
| SC 13G/A | 2019-03-18 | BlackRock Inc. | AMERICAN TOWER CORP /MA/ | 29,727,193 | 6.7% | EDGAR |
| SC 13G/A | 2019-02-12 | WELLINGTON MANAGEMENT GROUP LLP | AMERICAN TOWER CORP /MA/ | 29,181,673 | 6.6% | EDGAR |
| SC 13G/A | 2019-02-11 | VANGUARD GROUP INC | AMERICAN TOWER CORP /MA/ | 56,220,489 | 12.8% | EDGAR |
| SC 13G/A | 2018-06-11 | VANGUARD GROUP INC | AMERICAN TOWER CORP /MA/ | 48,915,793 | 11.1% | EDGAR |
| SC 13G/A | 2018-02-14 | PRICE T ROWE ASSOCIATES INC /MD/ | AMERICAN TOWER CORP /MA/ | 16,135,688 | 3.7% | EDGAR |
| SC 13G/A | 2018-02-12 | VANGUARD GROUP INC | AMERICAN TOWER CORP /MA/ | 29,709,130 | 6.9% | EDGAR |
| SC 13G/A | 2018-02-08 | BlackRock Inc. | AMERICAN TOWER CORP /MA/ | 27,678,680 | 6.5% | EDGAR |
| SC 13G | 2018-02-08 | WELLINGTON MANAGEMENT GROUP LLP | AMERICAN TOWER CORP /MA/ | 22,239,046 | 5.2% | EDGAR |