William von Mueffling - Cantillon Capital Management
Holding/activity history for American Tower Corp. (AMT)
| Period | Shares | % of Portfolio | Activity | % Change to Portfolio | Reported Price | Value | Filing |
|---|---|---|---|---|---|---|---|
| 2026 Q1 | 1,612,473 | 1.85 | Reduce 11.91% | 0.21 | $172.58 | $278,280,591 | SEC |
| 2025 Q4 | 1,830,525 | 1.74 | Add 0.81% | 0.01 | $175.57 | $321,385,274 | SEC |
| 2025 Q3 | 1,815,816 | 1.92 | Reduce 1.09% | 0.03 | $192.32 | $349,217,733 | SEC |
| 2025 Q2 | 1,835,851 | 2.35 | Reduce 2.82% | 0.08 | $221.02 | $405,759,788 | SEC |
| 2025 Q1 | 1,889,190 | 2.66 | Reduce 3.00% | 0.06 | $217.60 | $411,087,744 | SEC |
| 2024 Q4 | 1,947,595 | 2.16 | Add 0.53% | 0.01 | $183.41 | $357,208,399 | SEC |
| 2024 Q3 | 1,937,252 | 2.75 | Reduce 2.90% | 0.08 | $232.56 | $450,527,325 | SEC |
| 2024 Q2 | 1,995,205 | 2.59 | Reduce 4.83% | 0.13 | $194.38 | $387,827,948 | SEC |
| 2024 Q1 | 2,096,370 | 2.61 | Reduce 1.97% | 0.06 | $197.59 | $414,221,748 | SEC |
| 2023 Q4 | 2,138,424 | 3.08 | Add 14.53% | 0.39 | $215.88 | $461,642,974 | SEC |
| 2023 Q3 | 1,867,131 | 2.28 | Reduce 0.39% | <0.01 | $164.45 | $307,049,693 | SEC |
| 2023 Q2 | 1,874,444 | 2.54 | Add 6.35% | 0.15 | $193.94 | $363,529,670 | SEC |
| 2023 Q1 | 1,762,489 | 2.93 | Reduce 1.68% | 0.05 | $204.34 | $360,147,002 | SEC |
| 2022 Q4 | 1,792,593 | 3.22 | Reduce 2.10% | 0.07 | $211.86 | $379,778,753 | SEC |
| 2022 Q3 | 1,831,099 | 3.56 | Reduce 0.71% | 0.03 | $214.70 | $393,137,000 | SEC |
| 2022 Q2 | 1,844,227 | 3.93 | Reduce 0.45% | 0.01 | $255.59 | $471,366,000 | SEC |
| 2022 Q1 | 1,852,545 | 3.32 | Add 2.93% | 0.09 | $251.22 | $465,397,000 | SEC |
| 2021 Q4 | 1,799,761 | 3.48 | Reduce 6.97% | 0.24 | $292.50 | $526,430,000 | SEC |
| 2021 Q3 | 1,934,586 | 3.50 | Reduce 1.66% | 0.06 | $265.41 | $513,459,000 | SEC |
| 2021 Q2 | 1,967,250 | 3.58 | Reduce 1.12% | 0.04 | $270.14 | $531,433,000 | SEC |
| 2021 Q1 | 1,989,472 | 3.46 | Reduce 3.71% | 0.13 | $239.06 | $475,603,000 | SEC |
| 2020 Q4 | 2,066,147 | 3.48 | Reduce 0.49% | 0.02 | $224.46 | $463,767,000 | SEC |
| 2020 Q3 | 2,076,425 | 4.20 | Reduce 1.06% | 0.05 | $241.73 | $501,934,000 | SEC |
| 2020 Q2 | 2,098,625 | 4.71 | Add 0.91% | 0.04 | $258.54 | $542,578,000 | SEC |
| 2020 Q1 | 2,079,661 | 5.01 | Reduce 0.10% | <0.01 | $217.75 | $452,846,000 | SEC |
| 2019 Q4 | 2,081,808 | 4.45 | Reduce 2.06% | 0.09 | $229.82 | $478,442,000 | SEC |
| 2019 Q3 | 2,125,626 | 4.57 | Reduce 0.58% | 0.03 | $221.13 | $470,039,000 | SEC |
| 2019 Q2 | 2,137,968 | 4.42 | Reduce 2.01% | 0.09 | $204.45 | $437,107,000 | SEC |
| 2019 Q1 | 2,181,922 | 4.57 | Reduce 0.39% | 0.02 | $197.06 | $429,970,000 | SEC |
| 2018 Q4 | 2,190,356 | 4.18 | Add 0.74% | 0.03 | $158.19 | $346,492,000 | SEC |
| 2018 Q3 | 2,174,340 | 3.55 | Reduce 6.26% | 0.23 | $145.30 | $315,932,000 | SEC |
| 2018 Q2 | 2,319,452 | 3.60 | Reduce 2.73% | 0.11 | $144.17 | $334,396,000 | SEC |
| 2018 Q1 | 2,384,428 | 3.94 | Reduce 1.88% | 0.08 | $145.34 | $346,553,000 | SEC |
| 2017 Q4 | 2,430,057 | 4.11 | Reduce 6.50% | 0.27 | $142.67 | $346,696,000 | SEC |
| 2017 Q3 | 2,598,925 | 4.13 | Reduce 2.94% | 0.13 | $136.68 | $355,221,000 | SEC |
| 2017 Q2 | 2,677,667 | 4.42 | Reduce 4.19% | 0.18 | $132.32 | $354,309,000 | SEC |
| 2017 Q1 | 2,794,752 | 4.34 | Reduce 0.84% | 0.03 | $121.54 | $339,674,000 | SEC |
| 2016 Q4 | 2,818,285 | 4.17 | Add 148.45% | 2.49 | $105.68 | $297,836,000 | SEC |
| 2016 Q3 | 1,134,360 | 1.82 | Reduce 0.34% | <0.01 | $113.33 | $128,557,000 | SEC |
| 2016 Q2 | 1,138,260 | 2.18 | Add 50.58% | 0.73 | $113.61 | $129,318,000 | SEC |
| 2016 Q1 | 755,900 | 1.45 | Buy | 1.45 | $102.37 | $77,382,000 | SEC |