Who Owns AMT?
AMERICAN TOWER CORP — institutional ownership across 7 tracked superinvestors.
Last updated · Full stock page →
7
Institutional Holders
$300.3M
Total Value Held
1000.00T
Total Shares
AMERICAN TOWER CORP (AMT) is held by 7 tracked superinvestors with a combined position of $300.3M across 1000.00T shares. The largest holder is William Von Mueffling (Cantillon Capital Management) with $278.3M (1.85% of portfolio).
| Rank | Manager | Fund | Shares | Value | % of Portfolio | Period |
|---|---|---|---|---|---|---|
| 1 | William Von Mueffling | Cantillon Capital Management | 1612473 | $278.3M | 1.85% | 2026-03-31 |
| 2 | Christopher Davis | Davis Selected Advisers | 63250 | $10.3M | 0.04% | 2026-06-30 |
| 3 | Ray Dalio | Bridgewater Associates | 35924 | $5.9M | 0.02% | 2026-06-30 |
| 4 | Chuck Akre | Akre Capital Management | 29254 | $4.8M | 0.09% | 2026-06-30 |
| 5 | FPA Queens Road | Bragg Financial Advisors | 2068 | $338K | 0.01% | 2026-06-30 |
| 6 | Mairs & Power | Mairs & Power | 2020 | $330K | 0.00% | 2026-06-30 |
| 7 | Dan Sundheim (Mine & Arao) | Mine & Arao Wealth Creation & Management | 1913 | $313K | 0.11% | 2026-06-30 |
Ownership history
| Period | Holders | Total Value | Total Shares |
|---|---|---|---|
| 2023-06-30 | 1 | $223K | 1,149 |
| 2023-09-30 | 1 | $7.4M | 44,780 |
| 2023-12-31 | 2 | $12.8M | 581.9M |
| 2024-03-31 | 5 | $1.25B | 1000.00T |
| 2024-06-30 | 4 | $1.20B | 1000.00T |
| 2024-09-30 | 4 | $1.44B | 1000.00T |
| 2024-12-31 | 8 | $1.21B | 1000.00T |
| 2025-03-31 | 9 | $1.19B | 1000.00T |
| 2025-06-30 | 9 | $1.26B | 1000.00T |
| 2025-09-30 | 8 | $459.4M | 1000.00T |
| 2025-12-31 | 7 | $398.4M | 1000.00T |
| 2026-03-31 | 7 | $311.2M | 1000.00T |