American Tower Corporation
US ˙ NYSE ˙ US03027X1000

SecurityAMT / American Tower Corporation
InstitutionHighPoint Advisor Group LLC
Latest Disclosed Ownership0 shares
Latest Disclosed Value $ 0
HighPoint Advisor Group LLC closes position in AMT / American Tower Corporation

On May 14, 2026 - HighPoint Advisor Group LLC filed a 13F-HR form disclosing ownership of 0 shares of American Tower Corporation (US:AMT) valued at $0 USD as of March 31, 2026. The entity filed a previous 13F-HR/A on May 14, 2026 disclosing 1,395 shares of American Tower Corporation. This represents a change in shares of -100.00% during the quarter. The current value of the position is $0 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)
2026-05-14 2026-03-31 13F AMERICAN TOWER Common Stock 03027X100 0 -1,395 -100.00 0 -100.00
2026-05-14 2025-12-31 13F/A-2 AMERICAN TOWER Common Stock 03027X100 1,395 -9,411 -87.09 245 -88.26 0.0102
2026-02-04 2025-12-31 13F AMERICAN TOWER CORP Common Stock 03027X100 6,322 -4,484 1,110 0.0515
2025-11-05 2025-09-30 13F AMERICAN TOWER CORP Common Stock 03027X100 10,806 231 2.18 2,078 -11.08 0.0990
2025-08-07 2025-06-30 13F AMERICAN TOWER CORP Common Stock 03027X100 10,575 3,261 44.59 2,337 44.44 0.1242
2025-05-05 2025-03-31 13F AMERICAN TOWER CORP Common Stock 03027X100 7,314 -3,606 -33.02 1,619 -22.21 0.0942
2025-02-12 2024-12-31 13F AMERICAN TOWER CORP Common Stock 03027X100 10,920 -370 -3.28 2,081 -20.76 0.1130
2024-11-04 2024-09-30 13F AMERICAN TOWER CORP Common Stock 03027X100 11,290 -2,771 -19.71 2,626 87,400.00 0.1531
2024-08-08 2024-06-30 13F AMERICAN TOWER CORP Common Stock 03027X100 14,061 7,054 100.67 3 200.00 0.1872
2024-05-14 2024-03-31 13F AMERICAN TOWER CORP Common Stock 03027X100 7,007 172 2.52 1 -99.93 0.0915
2024-03-26 2023-12-31 13F AMERICAN TOWER CORP Common Stock 03027X100 6,835 2,041 42.57 1,337 8.00 0.0957
2022-08-15 2022-06-30 13F AMERICAN TOWER CORP Common Stock 03027X100 4,794 -2,604 -35.20 1,238 -36.97 0.1354
2021-11-15 2021-09-30 13F AMERICAN TOWER CORP Common Stock 03027X100 7,398 -157 -2.08 1,964 -3.77 0.1924
2021-07-29 2021-06-30 13F AMERICAN TOWER CORP Common Stock 03027X100 7,555 760 11.18 2,041 24.98 0.2055
2021-04-12 2021-03-31 13F AMERICAN TOWER CORP Common Stock 03027X100 6,795 340 5.27 1,633 9.23 0.1890
2021-02-10 2020-12-31 13F AMERICAN TOWER CORP Common Stock 03027X100 6,455 946 17.17 1,495 13.09 0.1821
2020-11-06 2020-09-30 13F AMERICAN TOWER CORP Common Stock 03027X100 5,509 3,727 209.15 1,322 179.49 0.2392
2020-08-13 2020-06-30 13F AMERICAN TOWER CORP Common Stock 03027X100 1,782 121 7.28 473 16.50 0.1011
2020-05-01 2020-03-31 13F/A-2 AMERICAN TOWER CORP Common Stock 03027X100 1,661 -1,242 -42.78 406 -40.90 0.0967
2020-04-27 2020-03-31 13F/A-1 AMERICAN TOWER CORP Common Stock 03027X100 406 -1,255 2 0.0262
2020-04-27 2020-03-31 13F AMERICAN TOWER CORP COM Common Stock 03027X100 2,903 0 687 141,057.6242
2020-02-13 2019-12-31 13F AMERICAN TOWER CORP COM Common Stock 03027X100 2,903 802 38.17 687 59.03 0.1415
2019-11-12 2019-09-30 13F AMERICAN TOWER CORP Common Stock 03027X100 2,101 1,151 121.16 432 120.41 0.0955
2019-08-15 2019-06-30 13F/A-1 AMERICAN TOWER CORP Common Stock 03027X100 950 950 -54.78 196 -54.63 0.0459
2018-02-15 2017-12-31 13F AMERICAN TOWER CORP Common Stock 03027X100 0 -7,116 -100.00 0 -100.00
2017-11-06 2017-09-30 13F AMERICAN TOWER CORP Common Stock 03027X100 7,116 710 11.08 1,014 15.10 0.3145
2017-08-15 2017-06-30 13F AMERICAN TOWER CORP Common Stock 03027X100 6,406 0 0.00 881 0.00 0.2835
2017-08-07 2017-03-31 13F AMERICAN TOWER CORP Common Stock 03027X100 6,406 6,406 881 0.2835
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.