American Tower Corporation
MX ˙ BMV ˙ US03027X1000
SecurityMX:AMT / American Tower Corporation
InstitutionTriangle Securities Wealth Management
Latest Disclosed Ownership6,923 shares
Latest Disclosed Value $ 1,194,768
Triangle Securities Wealth Management reports 0.94% decrease in ownership of AMT / American Tower Corporation

On April 20, 2026 - Triangle Securities Wealth Management filed a 13F-HR form disclosing ownership of 6,923 shares of American Tower Corporation (MX:AMT) valued at $1,194,768 USD as of March 31, 2026. The entity filed a previous 13F-HR on January 13, 2026 disclosing 6,989 shares of American Tower Corporation. This represents a change in shares of -0.94% 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)
2026-04-20 2026-03-31 13F AMERICAN TOWER COM 03027X100 6,923 -66 -0.94 1,195 -2.69 0.2712
2026-01-13 2025-12-31 13F AMERICAN TOWER CORP COM 03027X100 6,989 425 6.47 1,227 -2.77 0.2587
2025-10-15 2025-09-30 13F AMERICAN TOWER CORP COM 03027X100 6,564 91 1.41 1,262 -11.75 0.2858
2025-07-10 2025-06-30 13F AMERICAN TOWER CORP COM 03027X100 6,473 -105 -1.60 1,431 -0.07 0.3521
2025-04-10 2025-03-31 13F AMERICAN TOWER CORP COM 03027X100 6,578 498 8.19 1,431 28.34 0.3682
2025-01-15 2024-12-31 13F AMERICAN TOWER CORP COM 03027X100 6,080 125 2.10 1,115 -19.44 0.2861
2024-11-14 2024-09-30 13F AMERICAN TOWER CORP COM 03027X100 5,955 10 0.17 1,385 19.83 0.3579
2024-07-10 2024-06-30 13F AMERICAN TOWER CORP COM 03027X100 5,945 19 0.32 1,156 -1.28 0.3263
2024-04-10 2024-03-31 13F AMERICAN TOWER CORP COM 03027X100 5,926 130 2.24 1,171 -6.47 0.3338
2024-01-10 2023-12-31 13F AMERICAN TOWER CORP COM 03027X100 5,796 96 1.68 1,251 33.51 0.3890
2023-10-10 2023-09-30 13F AMERICAN TOWER CORP COM 03027X100 5,700 226 4.13 937 -11.69 0.3333
2023-07-13 2023-06-30 13F AMERICAN TOWER CORP COM 03027X100 5,474 -505 -8.45 1,062 -13.10 0.3652
2023-04-20 2023-03-31 13F AMERICAN TOWER CORP COM 03027X100 5,979 -420 -6.56 1,222 -9.89 0.4369
2023-01-11 2022-12-31 13F AMERICAN TOWER CORP COM 03027X100 6,399 5 0.08 1,356 -1.31 0.4970
2022-10-19 2022-09-30 13F AMERICAN TOWER CORP COM 03027X100 6,394 -15 -0.23 1,373 -16.18 0.5611
2022-07-11 2022-06-30 13F AMERICAN TOWER CORP COM 03027X100 6,409 69 1.09 1,638 2.82 0.6381
2022-04-13 2022-03-31 13F AMERICAN TOWER CORP COM 03027X100 6,340 -282 -4.26 1,593 -17.76 0.5333
2022-01-14 2021-12-31 13F AMERICAN TOWER CORP COM 03027X100 6,622 -11 -0.17 1,937 10.06 0.6062
2021-10-14 2021-09-30 13F AMERICAN TOWER CORP COM 03027X100 6,633 -5 -0.08 1,760 -1.84 0.5974
2021-07-12 2021-06-30 13F AMERICAN TOWER CORP COM 03027X100 6,638 -124 -1.83 1,793 10.88 0.6063
2021-04-12 2021-03-31 13F AMERICAN TOWER CORP COM 03027X100 6,762 -10 -0.15 1,617 6.38 0.5846
2021-01-11 2020-12-31 13F AMERICAN TOWER CORP COM 03027X100 6,772 -55 -0.81 1,520 -7.88 0.6019
2020-10-09 2020-09-30 13F AMERICAN TOWER CORP COM 03027X100 6,827 -63 -0.91 1,650 -7.36 0.7459
2020-07-08 2020-06-30 13F AMERICAN TOWER CORP COM 03027X100 6,890 -384 -5.28 1,781 12.44 0.8521
2020-04-06 2020-03-31 13F AMERICAN TOWER CORP COM 03027X100 7,274 -752 -9.37 1,584 -14.15 0.9129
2020-01-09 2019-12-31 13F AMERICAN TOWER CORP COM 03027X100 8,026 -206 -2.50 1,845 1.37 0.7996
2019-10-15 2019-09-30 13F AMERICAN TOWER CORP COM 03027X100 8,232 -1,136 -12.13 1,820 -7.00 0.8898
2019-07-10 2019-06-30 13F AMERICAN TOWER CORP COM 03027X100 9,368 -1,068 -10.23 1,957 -4.86 0.9941
2019-04-10 2019-03-31 13F/A-1 AMERICAN TOWER CORP COM 03027X100 10,436 -561 -5.10 2,057 18.22 1.0780
2019-04-08 2019-03-31 13F AMERICAN TOWER CORP COM 03027X100 10,436 2,057
2019-01-17 2018-12-31 13F AMERICAN TOWER CORP COM 03027X100 10,997 -115 -1.03 1,740 7.74 1.0274
2018-10-04 2018-09-30 13F AMERICAN TOWER CORP COM 03027X100 11,112 -235 -2.07 1,615 -1.28 0.8578
2018-07-12 2018-06-30 13F AMERICAN TOWER CORP COM 03027X100 11,347 195 1.75 1,636 0.93 0.9143
2018-04-11 2018-03-31 13F AMERICAN TOWER CORP COM 03027X100 11,152 -461 -3.97 1,621 -2.17 0.9312
2018-01-10 2017-12-31 13F AMERICAN TOWER CORP COM 03027X100 11,613 -162 -1.38 1,657 2.98 0.9461
2017-10-11 2017-09-30 13F AMERICAN TOWER CORP COM 03027X100 11,775 -305 -2.52 1,609 0.69 0.9571
2017-07-06 2017-06-30 13F AMERICAN TOWER CORP COM 03027X100 12,080 -343 -2.76 1,598 5.83 1.0560
2017-04-05 2017-03-31 13F AMERICAN TOWER CORP COM 03027X100 12,423 -140 -1.11 1,510 13.70 0.9636
2017-01-19 2016-12-31 13F AMERICAN TOWER CORP COM 03027X100 12,563 -180 -1.41 1,328 -8.03 0.8872
2016-10-06 2016-09-30 13F AMERICAN TOWER CORP COM 03027X100 12,743 -1,345 -9.55 1,444 -9.81 0.9987
2016-07-07 2016-06-30 13F AMERICAN TOWER CORP COM 03027X100 14,088 -2,520 -15.17 1,601 -5.82 1.1946
2016-04-08 2016-03-31 13F AMERICAN TOWER CORP COM 03027X100 16,608 115 0.70 1,700 6.32 1.1090
2016-01-28 2015-12-31 13F AMERICAN TOWER CORP COM 03027X100 16,493 -82 -0.49 1,599 9.67 1.0715
2015-10-08 2015-09-30 13F AMERICAN TOWER CORP COM 03027X100 16,575 -50 -0.30 1,458 -6.00 1.1025
2015-07-15 2015-06-30 13F AMERICAN TOWER CORP COM 03027X100 16,625 1,025 6.57 1,551 5.58 1.0960
2015-04-13 2015-03-31 13F AMERICAN TOWER CORP COM 03027X100 15,600 -425 -2.65 1,469 -7.26 1.0171
2015-01-08 2014-12-31 13F AMERICAN TOWER CORP COM 03027X100 16,025 -265 -1.63 1,584 3.87 1.1273
2014-10-16 2014-09-30 13F AMERICAN TOWER CORP COM 03027X100 16,290 -398 -2.38 1,525 1.53 1.1719
2014-07-16 2014-06-30 13F AMERICAN TOWER CORP COM 03027X100 16,688 1,262 8.18 1,502 26.54 1.1507
2014-04-14 2014-03-31 13F AMERICAN TOWER CORP COM 03027X100 15,426 -1,586 -9.32 1,187 -12.59 1.0669
2014-01-13 2013-12-31 13F AMERICAN TOWER CORP COM 03027X100 17,012 0 0.00 1,358 7.69 1.1022
2013-10-08 2013-09-30 13F AMERICAN TOWER CORP COM 03027X100 17,012 -133 -0.78 1,261 0.56 1.0988
2013-07-10 2013-06-30 13F AMERICAN TOWER CORP COM 03027X100 17,145 17,145 1,254 0.9273
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.