아메리칸 타워 코퍼레이션
US ˙ NYSE ˙ US03027X1000

SecurityAMT / American Tower Corporation
InstitutionBartlett & Co. LLC
Latest Disclosed Ownership298,569 shares
Latest Disclosed Value $ 65,343
Bartlett & Co. LLC reports 1.91% decrease in ownership of AMT / American Tower Corporation

On January 8, 2024 - Bartlett & Co. LLC filed a 13F-HR form disclosing ownership of 298,569 shares of American Tower Corporation (US:AMT) valued at $64,455,076 USD as of December 31, 2023. The entity filed a previous 13F-HR on October 10, 2023 disclosing 304,396 shares of American Tower Corporation. This represents a change in shares of -1.91% during the quarter. The current value of the position is $57,958,214 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)
2024-01-08 2023-12-31 13F American Tower Corp REIT COM 03027X100 298,569 -5,827 -1.91 65 30.00 1.0607
2023-10-10 2023-09-30 13F American Tower Corp REIT COM 03027X100 304,396 -4,001 -1.30 50 -16.67 0.8987
2023-07-14 2023-06-30 13F American Tower Corp REIT COM 03027X100 308,397 -13,264 -4.12 60 -7.69 1.0428
2023-04-06 2023-03-31 13F American Tower Corp REIT COM 03027X100 321,661 1,401 0.44 66 -4.41 1.2693
2023-01-04 2022-12-31 13F American Tower Corp REIT COM 03027X100 320,260 -17,833 -5.27 68 -99.91 1.3753
2022-10-17 2022-09-30 13F Amern Tower Corp REIT COM 03027X100 338,093 1,125 0.33 72,599 -16.12 1.5605
2022-08-02 2022-06-30 13F Amern Tower Corp REIT COM 03027X100 336,968 393 0.12 86,554 2.42 1.7533
2022-05-13 2022-03-31 13F Amern Tower Corp REIT COM 03027X100 336,575 12,699 3.92 84,508 -11.08 1.4771
2022-03-08 2021-12-31 13F Amern Tower Corp REIT COM 03027X100 323,876 1,435 0.45 95,036 11.05 1.6117
2021-10-15 2021-09-30 13F American Tower REIT COM 03027X100 322,441 -622 -0.19 85,579 -1.94 1.6323
2021-07-19 2021-06-30 13F American Tower REIT COM 03027X100 323,063 2,070 0.64 87,272 13.73 1.6653
2021-04-19 2021-03-31 13F American Tower REIT COM 03027X100 320,993 48,028 17.59 76,737 25.24 1.5436
2021-01-20 2020-12-31 13F American Tower REIT COM 03027X100 272,965 41,333 17.84 61,270 9.43 1.3076
2020-10-20 2020-09-30 13F American Tower REIT COM 03027X100 231,632 70,778 44.00 55,992 34.64 1.3141
2020-08-03 2020-06-30 13F American Tower REIT COM 03027X100 160,854 4,082 2.60 41,587 21.82 1.0865
2020-05-07 2020-03-31 13F American Tower REIT COM 03027X100 156,772 7,073 4.72 34,137 3.12 1.0403
2019-11-04 2019-09-30 13F American Tower REIT COM 03027X100 149,699 2,824 1.92 33,103 10.24 0.8692
2019-07-24 2019-06-30 13F American Tower REIT COM 03027X100 146,875 100 0.07 30,029 3.82 1.1204
2019-04-23 2019-03-31 13F American Tower REIT COM 03027X100 146,775 6,305 4.49 28,923 30.16 1.1078
2019-01-23 2018-12-31 13F American Tower REIT COM 03027X100 140,470 5,228 3.87 22,221 13.08 0.9475
2018-10-15 2018-09-30 13F American Tower REIT COM 03027X100 135,242 1,720 1.29 19,651 2.08 0.7374
2018-07-31 2018-06-30 13F American Tower REIT COM 03027X100 133,522 4,775 3.71 19,250 2.88 0.7829
2018-04-25 2018-03-31 13F American Tower REIT COM 03027X100 128,747 18,077 16.33 18,712 18.51 0.7727
2018-01-19 2017-12-31 13F American Tower REIT COM 03027X100 110,670 9,275 9.15 15,789 13.93 0.6286
2017-10-23 2017-09-30 13F American Tower REIT COM 03027X100 101,395 12,740 14.37 13,859 18.14 0.5807
2017-07-18 2017-06-30 13F American Tower REIT COM 03027X100 88,655 88,555 88,555.00 11,731 97,658.33 0.5276
2017-04-25 2017-03-31 13F American Tower REIT COM 03027X100 100 0 0.00 12 9.09 0.0005
2017-02-06 2016-12-31 13F American Tower REIT COM 03027X100 100 0 0.00 11 0.00 0.0005
2016-10-24 2016-09-30 13F American Tower REIT COM 03027X100 100 0 0.00 11 0.00 0.0005
2016-07-27 2016-06-30 13F American Tower REIT COM 03027X100 100 100 11 0.0005
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.