American Tower Corporation
MX ˙ BMV ˙ US03027X1000
SecurityMX:AMT / American Tower Corporation
InstitutionLowe Brockenbrough & Co Inc
Latest Disclosed Ownership49,353 shares
Latest Disclosed Value $ 8,517,341
Lowe Brockenbrough & Co Inc reports 6.90% increase in ownership of AMT / American Tower Corporation

On May 7, 2026 - Lowe Brockenbrough & Co Inc filed a 13F-HR form disclosing ownership of 49,353 shares of American Tower Corporation (MX:AMT) valued at $8,517,341 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 11, 2026 disclosing 46,166 shares of American Tower Corporation. This represents a change in shares of 6.90% 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)
2026-05-07 2026-03-31 13F AMERICAN TOWER COM 03027X100 49,353 3,187 6.90 8,517 5.08 0.4247
2026-02-11 2025-12-31 13F AMERICAN TOWER CORP COM 03027X100 46,166 -3,070 -6.24 8,105 -14.40 0.3991
2025-11-05 2025-09-30 13F AMERICAN TOWER CORP COM 03027X100 49,236 2,841 6.12 9,469 -7.66 0.4872
2025-08-11 2025-06-30 13F AMERICAN TOWER CORP COM 03027X100 46,395 46,395 10,254 0.5766
2021-11-15 2021-09-30 13F AMERICAN TOWER CORP COM 03027X100 0 -36,309 -100.00 0 -100.00
2021-08-13 2021-06-30 13F AMERICAN TOWER CORP COM 03027X100 36,309 469 1.31 9,809 14.48 0.8829
2021-05-14 2021-03-31 13F AMERICAN TOWER CORP COM 03027X100 35,840 1,968 5.81 8,568 12.69 0.8325
2021-02-04 2020-12-31 13F AMERICAN TOWER CORP COM 03027X100 33,872 2,565 8.19 7,603 0.46 0.8232
2020-10-26 2020-09-30 13F AMERICAN TOWER CORP COM 03027X100 31,307 -325 -1.03 7,568 -7.46 0.9410
2020-08-13 2020-06-30 13F AMERICAN TOWER CORP CL A COM 03027X100 31,632 1,530 5.08 8,178 24.76 1.0992
2020-05-21 2020-03-31 13F AMERICAN TOWER CORP CL A COM 03027X100 30,102 -10,575 -26.00 6,555 -29.88 1.0795
2020-01-31 2019-12-31 13F AMERICAN TOWER CORP CL A COM 03027X100 40,677 398 0.99 9,348 4.95 1.1591
2019-11-21 2019-09-30 13F AMERICAN TOWER CORP CL A COM 03027X100 40,279 398 1.00 8,907 9.23 1.1954
2019-08-12 2019-06-30 13F AMERICAN TOWER CORP CL A COM 03027X100 39,881 -13,180 -24.84 8,154 -22.02 1.1110
2019-05-21 2019-03-31 13F/A-1 AMERICAN TOWER CORP CL A COM 03027X100 53,061 -859 -1.59 10,456 22.58 1.4622
2019-05-21 2019-03-31 13F AMERICAN TOWER CORP CL A COM 03027X100 53,061 10,456
2019-02-15 2018-12-31 13F AMERICAN TOWER CORP CL A COM 03027X100 53,920 140 0.26 8,530 9.16 1.3937
2018-11-15 2018-09-30 13F AMERICAN TOWER CORP CL A COM 03027X100 53,780 -804 -1.47 7,814 -0.70 1.0925
2018-08-10 2018-06-30 13F AMERICAN TOWER CORP CL A COM 03027X100 54,584 670 1.24 7,869 0.42 1.1562
2018-04-30 2018-03-31 13F AMERICAN TOWER CORP CL A COM 03027X100 53,914 3,676 7.32 7,836 9.33 1.1593
2018-01-30 2017-12-31 13F AMERICAN TOWER CORP CL A COM 03027X100 50,238 4,800 10.56 7,167 15.41 1.0284
2017-11-07 2017-09-30 13F AMERICAN TOWER CORP CL A COM 03027X100 45,438 26,730 142.88 6,210 150.91 0.9526
2017-07-31 2017-06-30 13F AMERICAN TOWER CORP CL A COM 03027X100 18,708 18,708 2,475 0.3888
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.