아메리칸 타워 코퍼레이션
MX ˙ BMV ˙ US03027X1000
SecurityMX:AMT / American Tower Corporation
InstitutionProShare Advisors LLC
Latest Disclosed Ownership117,648 shares
Latest Disclosed Value $ 20,303,691
ProShare Advisors LLC reports 17.29% decrease in ownership of AMT / American Tower Corporation

On April 24, 2026 - ProShare Advisors LLC filed a 13F-HR form disclosing ownership of 117,648 shares of American Tower Corporation (MX:AMT) valued at $20,303,691 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 6, 2026 disclosing 142,242 shares of American Tower Corporation. This represents a change in shares of -17.29% 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)
2026-04-24 2026-03-31 13F AMERICAN TOWER COM 03027X100 117,648 -24,594 -17.29 20,304 -18.70 0.0301
2026-02-06 2025-12-31 13F AMERICAN TOWER CORP COM 03027X100 142,242 10,645 8.09 24,973 -1.32 0.0441
2025-11-06 2025-09-30 13F AMERICAN TOWER CORP COM 03027X100 131,597 -1,672 -1.25 25,309 -14.08 0.0530
2025-08-07 2025-06-30 13F AMERICAN TOWER CORP COM 03027X100 133,269 12,596 10.44 29,455 12.18 0.0588
2025-05-08 2025-03-31 13F AMERICAN TOWER CORP COM 03027X100 120,673 673 0.56 26,258 19.31 0.0593
2025-02-14 2024-12-31 13F AMERICAN TOWER CORP COM 03027X100 120,000 2,366 2.01 22,009 -19.55 0.0503
2024-11-14 2024-09-30 13F AMERICAN TOWER CORP COM 03027X100 117,634 -586 -0.50 27,357 19.05 0.0671
2024-08-13 2024-06-30 13F AMERICAN TOWER CORP COM 03027X100 118,220 221 0.19 22,980 -1.44 0.0615
2024-05-08 2024-03-31 13F AMERICAN TOWER CORP COM 03027X100 117,999 -4,935 -4.01 23,315 -12.14 0.0620
2024-02-14 2023-12-31 13F AMERICAN TOWER CORP COM 03027X100 122,934 -5,635 -4.38 26,539 25.52 0.0811
2023-11-13 2023-09-30 13F AMERICAN TOWER CORP COM 03027X100 128,569 -7,150 -5.27 21,143 -19.67 0.0659
2023-08-10 2023-06-30 13F AMERICAN TOWER CORP COM 03027X100 135,719 1,744 1.30 26,321 -3.85 0.0763
2023-05-26 2023-03-31 13F/A-1 AMERICAN TOWER CORP COM 03027X100 133,975 17,993 15.51 27,376 11.42 0.0837
2023-05-12 2023-03-31 13F AMERICAN TOWER CORP COM 03027X100 133,975 17,993 27,376 0.0871
2023-02-02 2022-12-31 13F AMERICAN TOWER CORP COM 03027X100 115,982 3,559 3.17 24,572 1.80 0.0863
2022-11-07 2022-09-30 13F AMERICAN TOWER CORP COM 03027X100 112,423 -9,914 -8.10 24,137 -22.81 0.0926
2022-08-01 2022-06-30 13F AMERICAN TOWER CORP COM 03027X100 122,337 -34,581 -22.04 31,268 -20.68 0.1037
2022-05-10 2022-03-31 13F AMERICAN TOWER CORP COM 03027X100 156,918 -5,930 -3.64 39,422 -17.24 0.0847
2022-02-08 2021-12-31 13F AMERICAN TOWER CORP COM 03027X100 162,848 28,553 21.26 47,633 33.64 0.0935
2021-11-12 2021-09-30 13F AMERICAN TOWER CORP COM 03027X100 134,295 4,750 3.67 35,643 1.85 0.1001
2021-08-13 2021-06-30 13F AMERICAN TOWER CORP COM 03027X100 129,545 11,892 10.11 34,995 24.42 0.1023
2021-05-14 2021-03-31 13F AMERICAN TOWER CORP COM 03027X100 117,653 9,815 9.10 28,126 16.20 0.0884
2021-02-09 2020-12-31 13F AMERICAN TOWER CORP COM 03027X100 107,838 5,298 5.17 24,205 -2.35 0.0900
2020-11-13 2020-09-30 13F AMERICAN TOWER CORP COM 03027X100 102,540 98 0.10 24,787 -6.41 0.1146
2020-08-03 2020-06-30 13F AMERICAN TOWER CORP COM 03027X100 102,442 12,900 14.41 26,485 35.83 0.1415
2020-05-15 2020-03-31 13F AMERICAN TOWER CORP COM 03027X100 89,542 -68,033 -43.17 19,498 -46.16 0.1401
2020-02-12 2019-12-31 13F AMERICAN TOWER CORP COM 03027X100 157,575 13,787 9.59 36,214 13.89 0.1677
2019-11-12 2019-09-30 13F AMERICAN TOWER CORP COM 03027X100 143,788 -529 -0.37 31,796 7.76 0.1780
2019-08-13 2019-06-30 13F AMERICAN TOWER CORP COM 03027X100 144,317 -6,985 -4.62 29,506 -1.04 0.1764
2019-05-15 2019-03-31 13F AMERICAN TOWER CORP COM 03027X100 151,302 1,967 1.32 29,816 26.22 0.1784
2019-02-14 2018-12-31 13F AMERICAN TOWER CORP COM 03027X100 149,335 1,522 1.03 23,623 9.99 0.1653
2018-11-14 2018-09-30 13F AMERICAN TOWER CORP COM 03027X100 147,813 -19,237 -11.52 21,477 -10.82 0.1458
2018-08-13 2018-06-30 13F AMERICAN TOWER CORP COM 03027X100 167,050 -7,603 -4.35 24,084 -5.12 0.1614
2018-05-14 2018-03-31 13F AMERICAN TOWER CORP COM 03027X100 174,653 4,916 2.90 25,384 4.82 0.1654
2018-02-14 2017-12-31 13F AMERICAN TOWER CORP COM 03027X100 169,737 31,569 22.85 24,216 28.23 0.1680
2017-11-13 2017-09-30 13F AMERICAN TOWER CORP COM 03027X100 138,168 -7,024 -4.84 18,885 -1.70 0.1736
2017-08-11 2017-06-30 13F AMERICAN TOWER CORP COM 03027X100 145,192 -4,937 -3.29 19,212 5.29 0.1914
2017-05-12 2017-03-31 13F/A-2 AMERICAN TOWER CORP COM 03027X100 150,129 -999 -0.66 18,247 14.25 0.1908
2017-05-08 2017-03-31 13F/A-1 AMERICAN TOWER CORP COM 03027X100 42 -150,087 18,247 0.1908
2017-04-25 2017-03-31 13F AMERICAN TOWER CORP COM 03027X100 42 18,247
2017-02-13 2016-12-31 13F AMERICAN TOWER CORP COM 03027X100 151,128 28,433 23.17 15,971 14.86 0.1769
2016-11-10 2016-09-30 13F AMERICAN TOWER CORP COM 03027X100 122,695 -24,762 -16.79 13,905 -17.00 0.1942
2016-08-12 2016-06-30 13F AMERICAN TOWER CORP COM 03027X100 147,457 -17,211 -10.45 16,753 -0.62 0.2158
2016-05-06 2016-03-31 13F AMERICAN TOWER CORP COM 03027X100 164,668 -48,447 -22.73 16,857 -18.42 0.2321
2016-02-05 2015-12-31 13F AMERICAN TOWER CORP COM 03027X100 213,115 21,299 11.10 20,662 22.43 0.2503
2015-11-06 2015-09-30 13F AMERICAN TOWER CORP COM 03027X100 191,816 -13,058 -6.37 16,876 -11.70 0.2370
2015-08-11 2015-06-30 13F AMERICAN TOWER CORP COM 03027X100 204,874 -28,112 -12.07 19,113 -12.87 0.2645
2015-05-08 2015-03-31 13F AMERICAN TOWER CORP COM 03027X100 232,986 232,986 13.72 21,936 14.77 0.2584
2015-01-30 2014-12-31 13F AMERICAN TOWER CORP COM 03027X100 0 -220,049 -100.00 0 -100.00
2014-11-06 2014-09-30 13F AMERICAN TOWER CORP COM 03027X100 220,049 -38,088 -14.75 20,603 -11.30 0.2731
2014-08-08 2014-06-30 13F AMERICAN TOWER CORP COM 03027X100 258,137 -16,049 -5.85 23,227 3.47 0.3009
2014-05-07 2014-03-31 13F AMERICAN TOWER CORP COM 03027X100 274,186 -20,273 -6.88 22,448 -4.49 0.2807
2014-02-04 2013-12-31 13F AMERICAN TOWER CORP COM 03027X100 294,459 14,567 5.20 23,504 13.28 0.3502
2013-11-07 2013-09-30 13F AMERICAN TOWER CORP COM 03027X100 279,892 -48,841 -14.86 20,748 -13.74 0.4924
2013-07-25 2013-06-30 13F AMERICAN TOWER CORP COM 03027X100 328,733 328,733 24,053 0.4721
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.