美國鐵塔公司
MX ˙ BMV ˙ US03027X1000
SecurityMX:AMT / American Tower Corporation
InstitutionSecurian Asset Management, Inc
Latest Disclosed Ownership12,729 shares
Latest Disclosed Value $ 2,196,771
Securian Asset Management, Inc ownership in AMT / American Tower Corporation

On May 1, 2026 - Securian Asset Management, Inc filed a 13F-HR form disclosing ownership of 12,729 shares of American Tower Corporation (MX:AMT) valued at $2,196,771 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 4, 2026 disclosing 12,729 shares of American Tower Corporation. This represents a change in shares of 0.00% 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)
2026-05-01 2026-03-31 13F AMERICAN TOWER CORP COM 03027X100 12,729 0 0.00 2,197 -1.70 0.0870
2026-02-04 2025-12-31 13F AMERICAN TOWER CORP COM 03027X100 12,729 -9,880 -43.70 2,235 -48.62 0.0847
2025-10-23 2025-09-30 13F AMERICAN TOWER CORP COM 03027X100 22,609 -1,750 -7.18 4,348 -19.23 0.1152
2025-07-30 2025-06-30 13F AMERICAN TOWER CORP COM 03027X100 24,359 -405 -1.64 5,384 -0.09 0.1535
2025-05-01 2025-03-31 13F AMERICAN TOWER CORP COM 03027X100 24,764 -349 -1.39 5,389 17.00 0.1637
2025-02-10 2024-12-31 13F AMERICAN TOWER CORP COM 03027X100 25,113 -720 -2.79 4,606 -23.34 0.1341
2024-11-13 2024-09-30 13F AMERICAN TOWER CORP COM 03027X100 25,833 -1,017 -3.79 6,008 15.10 0.1734
2024-07-15 2024-06-30 13F AMERICAN TOWER CORP COM 03027X100 26,850 -607 -2.21 5,219 -3.80 0.1523
2024-04-26 2024-03-31 13F AMERICAN TOWER CORP COM 03027X100 27,457 -2,067 -7.00 5,425 -14.88 0.1591
2024-02-08 2023-12-31 13F AMERICAN TOWER CORP COM 03027X100 29,524 -3,906 -11.68 6,374 15.94 0.1807
2023-10-30 2023-09-30 13F AMERICAN TOWER CORP COM 03027X100 33,430 -5,139 -13.32 5,498 -26.51 0.1642
2023-08-07 2023-06-30 13F AMERICAN TOWER CORP COM 03027X100 38,569 -496 -1.27 7,480 -6.29 0.1921
2023-04-27 2023-03-31 13F AMERICAN TOWER CORP COM 03027X100 39,065 345 0.89 7,983 -2.69 0.2128
2023-02-03 2022-12-31 13F AMERICAN TOWER CORP COM 03027X100 38,720 0 0.00 8,203 102,437.50 0.2294
2022-10-28 2022-09-30 13F AMERICAN TOWER CORP COM 03027X100 38,720 -52,838 -57.71 8 -65.22 0.2479
2022-08-04 2022-06-30 13F AMERICAN TOWER CORP COM 03027X100 91,558 19,120 26.39 23 27.78 0.5606
2022-05-03 2022-03-31 13F AMERICAN TOWER CORP COM 03027X100 72,438 -20,519 -22.07 18 -33.33 0.3554
2022-02-10 2021-12-31 13F AMERICAN TOWER COM 03027X100 92,957 -2,890 -3.02 27 8.00 0.5018
2021-11-08 2021-09-30 13F AMERICAN TOWER COM 03027X100 95,847 -43,192 -31.06 25 -32.43 0.5228
2021-08-10 2021-06-30 13F AMERICAN TOWER COM 03027X100 139,039 -13,140 -8.63 38 2.78 0.7632
2021-05-10 2021-03-31 13F AMERICAN TOWER COM 03027X100 152,179 84,878 126.12 36 140.00 0.7904
2021-02-08 2020-12-31 13F AMERICAN TOWER COM 03027X100 67,301 11,471 20.55 15 -99.89 0.3416
2020-11-04 2020-09-30 13F American Tower REIT 03027X100 55,830 -8,975 -13.85 13,495 -19.45 0.3272
2020-08-06 2020-06-30 13F American Tower REIT 03027X100 64,805 20,545 46.42 16,754 73.83 0.4286
2020-05-07 2020-03-31 13F American Tower REIT 03027X100 44,260 -755 -1.68 9,638 -6.83 0.2720
2020-02-04 2019-12-31 13F American Tower REIT 03027X100 45,015 -1,259 -2.72 10,345 1.09 0.2283
2019-11-12 2019-09-30 13F American Tower REIT 03027X100 46,274 -384 -0.82 10,233 113,600.00 0.2346
2019-08-05 2019-06-30 13F American Tower REIT 03027X100 46,658 436 0.94 10 0.00 0.2210
2019-04-26 2019-03-31 13F American Tower REIT 03027X100 46,222 422 0.92 9 28.57 0.2172
2019-02-04 2018-12-31 13F American Tower REIT 03027X100 45,800 395 0.87 7 16.67 0.1945
2018-10-26 2018-09-30 13F American Tower REIT 03027X100 45,405 -47 -0.10 7 0.00 0.1567
2018-08-09 2018-06-30 13F American Tower REIT 03027X100 45,452 -24,719 -35.23 7 -40.00 0.1625
2018-04-30 2018-03-31 13F American Tower REIT 03027X100 70,171 26,109 59.26 10 66.67 0.2615
2018-02-05 2017-12-31 13F American Tower REIT 03027X100 44,062 478 1.10 6 20.00 0.1553
2017-11-03 2017-09-30 13F American Tower REIT 03027X100 43,584 720 1.68 6 0.00 0.1546
2017-08-14 2017-06-30 13F American Tower REIT 03027X100 42,864 -125 -0.29 6 0.00 0.1493
2017-05-11 2017-03-31 13F American Tower REIT 03027X100 42,989 154 0.36 5 25.00 0.1398
2017-02-10 2016-12-31 13F American Tower REIT 03027X100 42,835 314 0.74 5 0.00 0.1211
2016-11-14 2016-09-30 13F American Tower REIT 03027X100 42,521 550 1.31 5 0.00 0.1304
2016-08-10 2016-06-30 13F American Tower REIT 03027X100 41,971 427 1.03 5 0.00 0.1333
2016-11-08 2016-03-31 13F/A-1 American Tower REIT 03027X100 41,544 394 0.96 4 33.33 0.1225
2016-05-09 2016-03-31 13F American Tower REIT 03027X100 41,544 4,253
2016-11-08 2015-12-31 13F/A-1 American Tower REIT 03027X100 41,150 1,475 3.72 4 0.00 0.1185
2016-02-10 2015-12-31 13F American Tower REIT 03027X100 41,150 3,989
2016-11-08 2015-09-30 13F/A-1 American Tower REIT 03027X100 39,675 -447 -1.11 3 0.00 0.1146
2015-11-12 2015-09-30 13F American Tower REIT 03027X100 39,675 3,491
2016-11-08 2015-06-30 13F/A-2 American Tower REIT 03027X100 40,122 628 1.59 4 0.00 0.1169
2015-08-10 2015-06-30 13F American Tower REIT 03027X100 40,122 3,743
2016-11-08 2015-03-31 13F/A-2 American Tower REIT 03027X100 39,494 3,580 9.97 4 0.00 0.1084
2015-04-27 2015-03-31 13F American Tower REIT 03027X100 39,494 3,718
2016-11-08 2014-12-31 13F/A-2 American Tower REIT 03027X100 35,914 879 2.51 4 0.00 0.1098
2016-11-08 2014-09-30 13F/A-2 American Tower REIT 03027X100 35,035 -197 -0.56 3 0.00 0.1112
2014-10-28 2014-09-30 13F American Tower REIT 03027X100 35,035 3,280
2016-11-08 2014-06-30 13F/A-2 American Tower REIT 03027X100 35,232 159 0.45 3 50.00 0.1074
2014-08-01 2014-06-30 13F American Tower REIT 03027X100 35,232 3,170
2016-11-08 2014-03-31 13F/A-2 American Tower REIT 03027X100 35,073 -124,563 -78.03 3 -83.33 0.1040
2014-05-07 2014-03-31 13F American Tower REIT 03027X100 35,073 2,871,427
2016-11-08 2013-12-31 13F/A-2 American Tower REIT 03027X100 159,636 7,315 4.80 13 9.09 0.4816
2014-01-23 2013-12-31 13F American Tower REIT 03027X100 159,636 12,742,146
2016-11-08 2013-09-30 13F/A-2 American Tower REIT 03027X100 152,321 20,469 15.52 11 22.22 0.4540
2013-11-08 2013-09-30 13F American Tower REIT 03027X100 152,321 11,292
2016-11-08 2013-06-30 13F/A-2 American Tower REIT 03027X100 131,852 -18,746 -12.45 10 -18.18 0.3915
2013-08-13 2013-06-30 13F American Tower REIT 03027X100 131,852 9,648
2016-11-08 2013-03-31 13F/A-2 American Tower REIT 03027X100 150,598 23,169 18.18 12 22.22 0.4730
2016-11-08 2012-12-31 13F/A-2 American Tower REIT 03027X100 127,429 9,132 7.72 10 12.50 0.4386
2016-11-08 2012-09-30 13F/A-2 American Tower REIT 03027X100 118,297 14,106 13.54 8 14.29 0.3771
2016-11-08 2012-06-30 13F/A-2 American Tower REIT 03027X100 104,191 -26,012 -19.98 7 -12.50 0.3423
2016-11-08 2012-03-31 13F/A-2 American Tower REIT 03027X100 130,203 20,497 18.68 8 33.33 0.3699
2016-11-08 2011-12-31 13F/A-2 American Tower REIT COMMON STOCK 029912201 109,706 -22,044 -16.73 7 -14.29 0.3359
2016-11-08 2011-09-30 13F/A-2 American Tower COMMON STOCK 029912201 131,750 131,750 7 0.4066
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.