American Tower Corporation (REI

Historical 13F Holders

Symbol
AMT
CUSIP
03027X100
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 03027X100 since 12/18/2024, largest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A 9.2% 2/5/2025
Event 12/31/2024
Vanguard Capital Management LLC 13G 7.6% 4/29/2026
Event 3/31/2026
Vanguard Portfolio Management LLC 13G 5.9% 4/28/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Vanguard Group Inc 13G/A 0% 3/26/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 220 6.33 M $1.03 B
2026 Q2 1,831 557 M $76.0 B
2026 Q1 1,843 432 M $74.5 B
2025 Q4 1,872 479 M $77.5 B
2025 Q3 1,902 446 M $85.7 B
2025 Q2 1,950 439 M $97.0 B
2025 Q1 1,934 439 M $95.5 B
2024 Q4 1,878 436 M $80.1 B
2024 Q3 1,932 435 M $101 B
2024 Q2 1,849 445 M $86.4 B
2024 Q1 1,857 457 M $90.1 B
2023 Q4 1,884 452 M $97.4 B
2023 Q3 1,719 425 M $69.8 B
2023 Q2 1,765 426 M $82.6 B
2023 Q1 1,779 463 M $87.3 B
2022 Q4 1,783 449 M $95.6 B
2022 Q3 1,764 430 M $92.2 B
2022 Q2 1,816 427 M $109 B
2022 Q1 1,806 418 M $105 B
2021 Q4 1,878 419 M $122 B
2021 Q3 1,752 413 M $110 B
2021 Q2 1,723 414 M $112 B
2021 Q1 1,680 402 M $96.0 B
2020 Q4 1,657 410 M $92.9 B
2020 Q3 1,586 405 M $97.9 B
2020 Q2 1,572 408 M $105 B
2020 Q1 1,505 411 M $89.6 B
2019 Q4 1,452 416 M $95.6 B
2019 Q3 1,376 411 M $90.9 B
2019 Q2 1,357 417 M $85.2 B
2019 Q1 1,303 421 M $83.0 B
2018 Q4 1,249 426 M $67.2 B
2018 Q3 1,156 425 M $61.7 B
2018 Q2 1,141 424 M $61.2 B
2018 Q1 1,152 417 M $60.6 B
2017 Q4 1,128 401 M $57.2 B
2017 Q3 1,022 394 M $53.9 B
2017 Q2 959 398 M $52.7 B
2017 Q1 957 401 M $48.7 B
2016 Q4 925 408 M $43.1 B
2016 Q3 860 401 M $45.5 B
2016 Q2 860 403 M $45.8 B
2016 Q1 790 413 M $41.2 B
2015 Q4 793 405 M $41.5 B
2015 Q3 756 409 M $38.1 B
2015 Q2 754 400 M $37.4 B
2015 Q1 775 400 M $37.7 B
2014 Q4 798 375 M $37.2 B
2014 Q3 734 367 M $34.4 B
2014 Q2 702 374 M $33.7 B
2014 Q1 691 372 M $30.5 B