First Manhattan Co. LLC. / AMT
First Manhattan Co. LLC.’s American Tower Corp Position
Does First Manhattan Co. LLC. own American Tower Corp (AMT)? Yes — 195.4K shares worth $34M (+0.09% of its 13F portfolio) as of Q1 2026, down from 200.7K shares the prior filed quarter.
Position Value
$34M
Q1 2026
Shares
195.4K
% of Portfolio
+0.09%
Quarters Held
30
currently held
Position History AMT
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 195.4K | $34M | +0.09% |
| Q4 2025 | 200.7K | $36M | +0.09% |
| Q3 2025 | 208.8K | $41M | +0.11% |
| Q2 2025 | 220.9K | $49M | +0.14% |
| Q1 2025 | 219.5K | $48M | +0.14% |
| Q4 2024 | 210.3K | $42M | +0.12% |
| Q3 2024 | 192.7K | $45M | +0.13% |
| Q2 2024 | 191.3K | $37M | +0.12% |
| Q1 2024 | 113.8K | $22M | +0.07% |
| Q4 2023 | 486.7K | $103M | +0.36% |
| Q3 2023 | 555.0K | $91M | +0.34% |
| Q2 2023 | 708.6K | $137M | +0.50% |
| Q1 2023 | 812.0K | $166M | +0.64% |
| Q4 2022 | 796.1K | $169M | +0.62% |
| Q3 2022 | 752.1K | $161M | +0.68% |
| Q2 2022 | 671.1K | $172M | +0.69% |
| Q1 2022 | 629.5K | $158M | +0.52% |
| Q4 2021 | 618.9K | $181M | +0.60% |
| Q3 2021 | 590.9K | $157M | +0.58% |
| Q2 2021 | 584.7K | $158M | +0.58% |
| Q1 2021 | 578.5K | $138M | +0.60% |
| Q4 2020 | 339.2K | $76M | +0.36% |
| Q3 2020 | 1.2K | $289,000 | 0.00% |
| Q2 2020 | 1.2K | $306,000 | 0.00% |
| Q1 2020 | 1.3K | $280,000 | 0.00% |
| Q4 2019 | 1.3K | $293,000 | 0.00% |
| Q3 2019 | 1.3K | $280,000 | 0.00% |
| Q2 2019 | 1.2K | $251,000 | 0.00% |
| Q1 2019 | 1.2K | $230,000 | 0.00% |
| Q4 2018 | 619 | $97,000 | 0.00% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See First Manhattan Co. LLC.’s full portfolio or all institutional holders of AMT.