American Tower Corporation
US ˙ NYSE ˙ US03027X1000

SecurityAMT / American Tower Corporation
InstitutionContinuum Advisory, LLC
Latest Disclosed Ownership3,266 shares
Latest Disclosed Value $ 563,646
Continuum Advisory, LLC reports 11.39% decrease in ownership of AMT / American Tower Corporation

On April 22, 2026 - Continuum Advisory, LLC filed a 13F-HR form disclosing ownership of 3,266 shares of American Tower Corporation (US:AMT) valued at $563,646 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 10, 2026 disclosing 3,686 shares of American Tower Corporation. This represents a change in shares of -11.39% during the quarter. The current value of the position is $633,310 USD.

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)
2026-04-22 2026-03-31 13F AMERICAN TOWER COM 03027X100 3,266 -420 -11.39 564 -12.98 0.0541
2026-02-10 2025-12-31 13F AMERICAN TOWER CORP COM REIT 03027X100 3,686 -893 -19.50 647 -26.48 0.0648
2025-10-20 2025-09-30 13F AMERICAN TOWER CORP COM 03027X100 4,579 1,345 41.59 881 23.25 0.0931
2025-08-13 2025-06-30 13F AMERICAN TOWER CORP COM 03027X100 3,234 -3,811 -54.10 715 -53.39 0.0860
2025-04-23 2025-03-31 13F AMERICAN TOWER CORP COM 03027X100 7,045 -73 -1.03 1,533 17.39 0.1974
2025-02-18 2024-12-31 13F AMERICAN TOWER CORP NEW COM REIT 03027X100 7,118 152 2.18 1,306 -3.76 0.1674
2024-11-15 2024-09-30 13F AMERICAN TOWER CORP NEW COM REIT 03027X100 6,966 380 5.77 1,357 5.94 0.1732
2024-07-19 2024-06-30 13F AMERICAN TOWER CORP NEW COM REIT 03027X100 6,586 395 6.38 1,280 11.01 0.1845
2024-05-13 2024-03-31 13F AMERICAN TOWER CORP NEW COM REIT 03027X100 6,191 1,744 39.22 1,154 20.10 0.1727
2024-02-14 2023-12-31 13F AMERICAN TOWER CORP COM 03027X100 4,447 360 8.81 961 42.86 0.1367
2023-11-13 2023-09-30 13F AMERICAN TOWER CORP COM 03027X100 4,087 782 23.66 672 5.00 0.1077
2023-12-13 2023-06-30 13F/A-1 AMERICAN TOWER CORP COM 03027X100 3,305 1,176 55.24 641 47.13 0.1020
2023-08-10 2023-06-30 13F AMERICAN TOWER CORP COM 03027X100 3,305 1,176 641 0.1020
2023-12-13 2023-03-31 13F/A-1 AMERICAN TOWER CORP COM 03027X100 2,129 57 2.75 435 -0.68 0.0738
2023-05-12 2023-03-31 13F AMERICAN TOWER CORP COM 03027X100 2,129 57 435 0.0738
2023-12-13 2022-12-31 13F/A-1 AMERICAN TOWER CORP COM 03027X100 2,072 126 6.47 439 4.78 0.0792
2023-02-10 2022-12-31 13F AMERICAN TOWER CORP COM 03027X100 2,072 126 439 0.0792
2023-12-13 2022-09-30 13F/A-1 AMERICAN TOWER CORP COM 03027X100 1,946 0 0.00 418 -15.90 0.0737
2022-11-08 2022-09-30 13F AMERICAN TOWER CORP COM 03027X100 1,946 0 418 0.0737
2023-12-13 2022-06-30 13F/A-1 AMERICAN TOWER CORP COM 03027X100 1,946 20 1.04 497 7.11 0.0904
2022-08-15 2022-06-30 13F AMERICAN TOWER CORP COM 03027X100 1,946 20 497 0.0904
2023-12-13 2022-03-31 13F/A-1 AMERICAN TOWER CORP COM 03027X100 1,926 55 2.94 464 -15.17 0.0881
2022-05-17 2022-03-31 13F AMERICAN TOWER CORP COM 03027X100 1,926 55 464 0.0881
2023-12-13 2021-12-31 13F/A-1 AMERICAN TOWER CORP COM 03027X100 1,871 91 5.11 547 15.89 0.1230
2022-02-14 2021-12-31 13F AMERICAN TOWER CORP COM 03027X100 1,871 91 547 0.1230
2023-12-13 2021-09-30 13F/A-1 AMERICAN TOWER CORP COM 03027X100 1,780 24 1.37 472 -0.42 0.1265
2021-11-08 2021-09-30 13F AMERICAN TOWER CORP COM 03027X100 1,780 24 472 0.1265
2023-12-13 2021-06-30 13F/A-1 AMERICAN TOWER CORP COM 03027X100 1,756 110 6.68 474 16.46 0.1473
2021-08-17 2021-06-30 13F AMERICAN TOWER CORP COM 03027X100 1,756 110 474 0.1473
2021-05-14 2021-03-31 13F AMERICAN TOWER CORP COM 03027X100 1,646 -4 -0.24 407 10.00 0.1695
2021-05-17 2020-12-31 13F AMERICAN TOWER CORP COM 03027X100 1,650 0 0.00 370 -7.50 0.1684
2021-05-17 2020-09-30 13F AMERICAN TOWER CORP COM 03027X100 1,650 1,650 400 0.2189
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.