American Tower Corporation
MX ˙ BMV ˙ US03027X1000
SecurityMX:AMT / American Tower Corporation
InstitutionLido Advisors, LLC
Latest Disclosed Ownership126,201 shares
Latest Disclosed Value $ 21,780,299
Lido Advisors, LLC reports 11.45% decrease in ownership of AMT / American Tower Corporation

On May 13, 2026 - Lido Advisors, LLC filed a 13F-HR form disclosing ownership of 126,201 shares of American Tower Corporation (MX:AMT) valued at $21,780,299 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 142,512 shares of American Tower Corporation. This represents a change in shares of -11.45% 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)
2026-05-13 2026-03-31 13F AMERICAN TOWER COM 03027X100 126,201 -16,311 -11.45 21,780 -20.08 0.0635
2026-02-10 2025-12-31 13F AMERICAN TOWER CORP COM 03027X100 142,512 -1,384 -0.96 27,252 -2.33 0.0815
2025-11-14 2025-09-30 13F AMERICAN TOWER CORP COM 03027X100 143,896 12,930 9.87 27,900 -4.28 0.0874
2025-08-13 2025-06-30 13F AMERICAN TOWER CORP COM 03027X100 130,966 1,746 1.35 29,150 3.67 0.1136
2025-05-15 2025-03-31 13F AMERICAN TOWER CORP COM 03027X100 129,220 12,322 10.54 28,118 30.02 0.1266
2025-02-14 2024-12-31 13F AMERICAN TOWER CORP COM 03027X100 116,898 7,313 6.67 21,626 -15.14 0.0984
2024-11-14 2024-09-30 13F AMERICAN TOWER CORP COM 03027X100 109,585 -1,139 -1.03 25,485 17.45 0.1271
2024-08-15 2024-06-30 13F AMERICAN TOWER CORP COM 03027X100 110,724 7,156 6.91 21,698 6.03 0.1208
2024-05-15 2024-03-31 13F AMERICAN TOWER CORP COM 03027X100 103,568 4,581 4.63 20,464 -4.98 0.1204
2024-02-14 2023-12-31 13F AMERICAN TOWER CORP COM 03027X100 98,987 -1,037 -1.04 21,537 30.94 0.1455
2023-11-14 2023-09-30 13F AMERICAN TOWER CORP COM 03027X100 100,024 -2,723 -2.65 16,449 -17.45 0.1252
2023-08-09 2023-06-30 13F AMERICAN TOWER CORP COM 03027X100 102,747 55,939 119.51 19,927 108.34 0.1422
2023-05-15 2023-03-31 13F AMERICAN TOWER CORP COM 03027X100 46,808 41,669 810.84 9,565 779.04 0.0930
2023-02-14 2022-12-31 13F AMERICAN TOWER CORP COM 03027X100 5,139 -1,327 -20.52 1,089 -21.61 0.0133
2022-11-14 2022-09-30 13F AMERICAN TOWER CORP COM 03027X100 6,466 -53 -0.81 1,388 -16.69 0.0174
2022-08-15 2022-06-30 13F AMERICAN TOWER CORP COM 03027X100 6,519 146 2.29 1,666 4.06 0.0221
2022-05-17 2022-03-31 13F AMERICAN TOWER CORP COM 03027X100 6,373 16 0.25 1,601 -13.88 0.0178
2022-02-15 2021-12-31 13F AMERICAN TOWER CORP COM 03027X100 6,357 1,178 22.75 1,859 35.30 0.0203
2022-02-15 2021-09-30 13F/A-1 AMERICAN TOWER CORP COM 03027X100 5,179 1,809 53.68 1,374 50.16 0.0192
2021-11-12 2021-09-30 13F AMERICAN TOWER CORP COM 03027X100 4,389 1,019 1,381 0.0179
2021-08-12 2021-06-30 13F AMERICAN TOWER CORP COM 03027X100 3,370 -108 -3.11 915 9.98 0.0127
2021-05-13 2021-03-31 13F AMERICAN TOWER CORP COM 03027X100 3,478 243 7.51 832 13.97 0.0242
2021-02-08 2020-12-31 13F AMERICAN TOWER CORP COM 03027X100 3,235 364 12.68 730 4.73 0.0245
2020-11-12 2020-09-30 13F AMERICAN TOWER CORP COM 03027X100 2,871 -18 -0.62 697 -7.07 0.0299
2020-08-12 2020-06-30 13F AMERICAN TOWER CORP COM 03027X100 2,889 376 14.96 750 37.11 0.0365
2020-05-13 2020-03-31 13F AMERICAN TOWER CORP COM 03027X100 2,513 173 7.39 547 1.48 0.0353
2020-02-07 2019-12-31 13F AMERICAN TOWER CORP COM 03027X100 2,340 2,340 -6.88 539 -1.46 0.0314
2019-08-13 2019-06-30 13F AMERICAN TOWER CORP COM 03027X100 0 -1,016 -100.00 0 -100.00
2019-05-10 2019-03-31 13F AMERICAN TOWER CORP COM 03027X100 1,016 1,016 200 0.0179
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.