American Tower Corporation
MX ˙ BMV ˙ US03027X1000
SecurityMX:AMT / American Tower Corporation
InstitutionUnited Bank
Latest Disclosed Ownership6,838 shares
Latest Disclosed Value $ 1,180,102
United Bank reports 8.95% increase in ownership of AMT / American Tower Corporation

On May 1, 2026 - United Bank filed a 13F-HR form disclosing ownership of 6,838 shares of American Tower Corporation (MX:AMT) valued at $1,180,102 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 5, 2026 disclosing 6,276 shares of American Tower Corporation. This represents a change in shares of 8.95% 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)
2026-05-01 2026-03-31 13F AMERICAN TOWER COM 03027X100 6,838 562 8.95 1,180 7.18 0.3925
2026-02-05 2025-12-31 13F AMERICAN TOWER CORP COM 03027X100 6,276 -133 -2.08 1,102 -10.63 0.3736
2025-11-12 2025-09-30 13F AMERICAN TOWER CORP COM 03027X100 6,409 -79 -1.22 1,233 -14.03 0.4283
2025-07-29 2025-06-30 13F AMERICAN TOWER CORP COM 03027X100 6,488 733 12.74 1,434 14.46 0.5487
2025-05-06 2025-03-31 13F AMERICAN TOWER CORP COM 03027X100 5,755 532 10.19 1,252 30.83 0.5175
2025-02-12 2024-12-31 13F AMERICAN TOWER CORP COM 03027X100 5,223 391 8.09 958 -14.78 0.4046
2024-11-01 2024-09-30 13F AMERICAN TOWER CORP COM 03027X100 4,832 -97 -1.97 1,124 17.22 0.5183
2024-07-23 2024-06-30 13F AMERICAN TOWER CORP COM 03027X100 4,929 280 6.02 958 4.36 0.4781
2024-05-10 2024-03-31 13F AMERICAN TOWER CORP COM 03027X100 4,649 100 2.20 919 -6.52 0.4669
2024-02-13 2023-12-31 13F AMERICAN TOWER CORP COM 03027X100 4,549 -221 -4.63 982 25.26 0.5418
2023-10-27 2023-09-30 13F AMERICAN TOWER CORP COM 03027X100 4,770 -919 -16.15 784 -28.92 0.4690
2023-08-07 2023-06-30 13F AMERICAN TOWER CORP COM 03027X100 5,689 -360 -5.95 1,103 -10.76 0.6282
2023-05-12 2023-03-31 13F AMERICAN TOWER CORP COM 03027X100 6,049 412 7.31 1,236 3.52 0.7241
2023-02-10 2022-12-31 13F AMERICAN TOWER CORP COM 03027X100 5,637 -344 -5.75 1,194 -7.01 0.7329
2022-11-10 2022-09-30 13F AMERICAN TOWER CORP COM 03027X100 5,981 -227 -3.66 1,284 -19.09 0.8548
2022-08-05 2022-06-30 13F AMERICAN TOWER CORP COM 03027X100 6,208 764 14.03 1,587 16.01 0.9857
2022-05-09 2022-03-31 13F AMERICAN TOWER CORP COM 03027X100 5,444 -557 -9.28 1,368 -22.05 0.7252
2022-02-11 2021-12-31 13F AMERICAN TOWER CORP COM 03027X100 6,001 172 2.95 1,755 13.45 0.9411
2021-11-12 2021-09-30 13F AMERICAN TOWER CORP COM 03027X100 5,829 256 4.59 1,547 2.79 0.9811
2021-07-26 2021-06-30 13F AMERICAN TOWER CORP COM 03027X100 5,573 523 10.36 1,505 24.69 1.0138
2021-05-12 2021-03-31 13F AMERICAN TOWER CORP COM 03027X100 5,050 -604 -10.68 1,207 -4.89 0.8472
2021-02-11 2020-12-31 13F AMERICAN TOWER CORP COM 03027X100 5,654 629 12.52 1,269 4.44 0.9073
2020-11-10 2020-09-30 13F AMERICAN TOWER CORP COM 03027X100 5,025 882 21.29 1,215 13.45 1.0132
2020-08-05 2020-06-30 13F AMERICAN TOWER CORP COM 03027X100 4,143 4,143 1,071 1.0080
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.