아메리칸 타워 코퍼레이션
MX ˙ BMV ˙ US03027X1000
SecurityMX:AMT / American Tower Corporation
InstitutionFiduciary Trust Co
Latest Disclosed Ownership49,585 shares
Latest Disclosed Value $ 8,557,396
Fiduciary Trust Co reports 14.44% decrease in ownership of AMT / American Tower Corporation

On May 15, 2026 - Fiduciary Trust Co filed a 13F-HR form disclosing ownership of 49,585 shares of American Tower Corporation (MX:AMT) valued at $8,557,396 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 13, 2026 disclosing 57,955 shares of American Tower Corporation. This represents a change in shares of -14.44% during the quarter.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-15 2026-03-31 13F AMERICAN TOWER COM 03027X100 49,585 -8,370 -14.44 8,557 -15.90 0.1012
2026-02-13 2025-12-31 13F AMERICAN TOWER CORP COM 03027X100 57,955 -1,719 -2.88 10,175 -11.34 0.1157
2025-11-14 2025-09-30 13F AMERICAN TOWER CORP COM 03027X100 59,674 -1,657 -2.70 11,476 -15.34 0.1300
2025-08-14 2025-06-30 13F AMERICAN TOWER CORP COM 03027X100 61,331 -984 -1.58 13,555 -0.03 0.1668
2025-05-15 2025-03-31 13F AMERICAN TOWER CORP COM 03027X100 62,315 1,708 2.82 13,560 21.99 0.1776
2025-02-14 2024-12-31 13F AMERICAN TOWER CORP COM 03027X100 60,607 920 1.54 11,116 -19.92 0.1468
2024-11-14 2024-09-30 13F AMERICAN TOWER CORP COM 03027X100 59,687 3,789 6.78 13,881 27.75 0.1939
2024-08-14 2024-06-30 13F AMERICAN TOWER CORP COM 03027X100 55,898 -683 -1.21 10,865 -2.81 0.1631
2024-05-14 2024-03-31 13F AMERICAN TOWER CORP COM 03027X100 56,581 1,182 2.13 11,180 -6.52 0.1715
2024-02-12 2023-12-31 13F AMERICAN TOWER CORP COM 03027X100 55,399 -4,107 -6.90 11,960 22.22 0.1998
2023-11-14 2023-09-30 13F AMERICAN TOWER CORP COM 03027X100 59,506 213 0.36 9,786 -14.91 0.1789
2023-08-01 2023-06-30 13F AMERICAN TOWER CORP COM 03027X100 59,293 -473 -0.79 11,499 -5.84 0.2026
2023-05-15 2023-03-31 13F AMERICAN TOWER CORP COM 03027X100 59,766 466 0.79 12,213 -2.79 0.2265
2023-02-14 2022-12-31 13F AMERICAN TOWER CORP COM 03027X100 59,300 -1,759 -2.88 12,563 -4.17 0.2445
2022-11-14 2022-09-30 13F AMERICAN TOWER CORP COM 03027X100 61,059 1,933 3.27 13,109 -13.25 0.2837
2022-08-12 2022-06-30 13F AMERICAN TOWER CORP COM 03027X100 59,126 -502 -0.84 15,112 0.88 0.3183
2022-05-12 2022-03-31 13F AMERICAN TOWER CORP COM 03027X100 59,628 -263 -0.44 14,980 -14.49 0.2686
2022-02-14 2021-12-31 13F AMERICAN TOWER CORP COM 03027X100 59,891 -233 -0.39 17,518 9.78 0.2881
2021-11-12 2021-09-30 13F AMERICAN TOWER CORP COM 03027X100 60,124 -327 -0.54 15,958 -2.28 0.2840
2021-08-16 2021-06-30 13F AMERICAN TOWER CORP COM 03027X100 60,451 -1,137 -1.85 16,331 10.92 0.3161
2021-05-19 2021-03-31 13F AMERICAN TOWER CORP COM 03027X100 61,588 -2,818 -4.38 14,723 1.84 0.2987
2021-01-26 2020-12-31 13F AMERICAN TOWER CORP COM 03027X100 64,406 -333 -0.51 14,457 -7.62 0.3013
2020-11-13 2020-09-30 13F AMERICAN TOWER CORP COM 03027X100 64,739 2,019 3.22 15,650 -3.48 0.3687
2020-08-13 2020-06-30 13F AMERICAN TOWER CORP COM 03027X100 62,720 -933 -1.47 16,215 16.99 0.4013
2020-05-15 2020-03-31 13F AMERICAN TOWER CORP COM 03027X100 63,653 -790 -1.23 13,860 -6.41 0.4022
2020-02-04 2019-12-31 13F AMERICAN TOWER CORP COM 03027X100 64,443 -6,168 -8.74 14,810 -5.15 0.3454
2019-11-12 2019-09-30 13F AMERICAN TOWER CORP COM 03027X100 70,611 1,352 1.95 15,614 10.27 0.3919
2019-08-14 2019-06-30 13F AMERICAN TOWER CORP COM 03027X100 69,259 -2,459 -3.43 14,160 0.19 0.3715
2019-05-07 2019-03-31 13F AMERICAN TOWER CORP COM 03027X100 71,718 -2,943 -3.94 14,133 19.67 0.3799
2019-01-29 2018-12-31 13F AMERICAN TOWER CORP COM 03027X100 74,661 -1,244 -1.64 11,810 7.08 0.3618
2018-11-13 2018-09-30 13F AMERICAN TOWER CORP COM 03027X100 75,905 -1,645 -2.12 11,029 -1.36 0.3095
2018-08-03 2018-06-30 13F AMERICAN TOWER CORP COM 03027X100 77,550 -3,226 -3.99 11,181 -4.76 0.3385
2018-05-07 2018-03-31 13F AMERICAN TOWER CORP COM 03027X100 80,776 -4,839 -5.65 11,740 -3.89 0.3627
2018-01-29 2017-12-31 13F AMERICAN TOWER CORP COM 03027X100 85,615 -6,480 -7.04 12,215 -2.96 0.3631
2017-11-02 2017-09-30 13F AMERICAN TOWER CORP COM 03027X100 92,095 -4,285 -4.45 12,587 -1.30 0.3873
2017-08-09 2017-06-30 13F AMERICAN TOWER CORP COM 03027X100 96,380 -5,706 -5.59 12,753 2.78 0.3910
2017-05-15 2017-03-31 13F AMERICAN TOWER CORP COM 03027X100 102,086 -13,835 -11.93 12,408 1.28 0.3792
2017-02-14 2016-12-31 13F AMERICAN TOWER CORP COM 03027X100 115,921 -4,848 -4.01 12,251 -10.49 0.3970
2016-11-14 2016-09-30 13F AMERICAN TOWER CORP COM 03027X100 120,769 -2,735 -2.21 13,687 -2.46 0.4687
2016-08-12 2016-06-30 13F AMERICAN TOWER CORP COM 03027X100 123,504 -6,255 -4.82 14,032 5.63 0.4930
2016-05-16 2016-03-31 13F AMERICAN TOWER CORP COM 03027X100 129,759 13,485 11.60 13,284 17.85 0.4697
2016-02-03 2015-12-31 13F AMERICAN TOWER CORP CL A COMMON 03027X100 116,274 -5,644 -4.63 11,272 5.09 0.4780
2015-11-10 2015-09-30 13F AMERICAN TOWER CORP CL A COMMON 03027X100 121,918 -9,786 -7.43 10,726 -12.70 0.4836
2015-08-10 2015-06-30 13F AMERICAN TOWER CORP CL A Common 03027X100 131,704 -2,739 -2.04 12,287 -2.93 0.5112
2015-04-28 2015-03-31 13F AMERICAN TOWER CORP CL A Common 03027X100 134,443 -2,554 -1.86 12,658 -6.52 0.5242
2015-01-26 2014-12-31 13F AMERICAN TOWER CORP CL A Common 03027X100 136,997 -792 -0.57 13,541 4.96 0.5691
2014-11-03 2014-09-30 13F AMERICAN TOWER CORP CL A Common 03027X100 137,789 -305 -0.22 12,901 3.83 0.5690
2014-07-25 2014-06-30 13F AMERICAN TOWER CORP CL A Common 03027X100 138,094 -1,728 -1.24 12,425 8.54 0.5314
2014-05-13 2014-03-31 13F AMERICAN TOWER CORP CL A Common 03027X100 139,822 -2,212 -1.56 11,447 0.97 0.5065
2014-02-19 2013-12-31 13F AMERICAN TOWER CORP CL A Common 03027X100 142,034 -1,860 -1.29 11,337 6.28 0.5013
2013-10-31 2013-09-30 13F/A-1 AMERICAN TOWER CORP CL A Common 03027X100 143,894 -8,846 10,667 0.4912
2013-11-06 2013-09-30 13F/A-2 AMERICAN TOWER CORP CL A Common 03027X100 143,894 -8,846 -5.79 10,667 -4.55 0.4912
2013-10-29 2013-09-30 13F AMERICAN TOWER CORP CL A Common 03027X100 143,894 10,667
2013-08-08 2013-06-30 13F AMERICAN TOWER CORP CL A Common 03027X100 152,740 152,740 11,176 0.5173
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.