American Tower Corp /Ma/

Calamos Advisors LLC AMT

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/29/2026

Shares

144,149

Value ($000)

25,308

Weight

0.1%

2019 Q4 - 2025 Q4 (25 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	1/29/2026	25,308	0.1%	144,149	12/31/2025
2025 Q3	10/20/2025	28,191	0.1%	146,585	9/30/2025
2025 Q2	8/8/2025	32,304	0.1%	146,157	6/30/2025
2025 Q1	4/29/2025	31,781	0.2%	146,054	3/31/2025
2024 Q4	1/24/2025	26,589	0.1%	144,973	12/31/2024
2024 Q3	11/7/2024	33,619	0.2%	144,561	9/30/2024
2024 Q2	7/25/2024	28,214	0.1%	145,147	6/30/2024
2024 Q1	5/8/2024	29,077	0.1%	147,157	3/31/2024
2023 Q4	1/31/2024	32,081	0.2%	148,605	12/31/2023
2023 Q3	10/26/2023	24,566	0.1%	149,380	9/30/2023
2023 Q2	7/28/2023	28,883	0.1%	148,925	6/30/2023
2023 Q1	5/4/2023	30,396	0.2%	148,754	3/31/2023
2022 Q4	1/26/2023	33,523	0.2%	158,231	12/31/2022
2022 Q3	10/24/2022	37,054	0.2%	172,587	9/30/2022
2022 Q2	8/1/2022	44,077	0.2%	172,451	6/30/2022
2022 Q1	5/3/2022	42,614	0.2%	169,630	3/31/2022
2021 Q4	2/1/2022	45,736	0.2%	156,363	12/31/2021
2021 Q3	10/26/2021	40,637	0.2%	153,112	9/30/2021
2021 Q2	7/22/2021	39,340	0.2%	145,627	6/30/2021
2021 Q1	4/12/2021	30,777	0.2%	128,741	3/31/2021
2020 Q4	1/27/2021	28,486	0.2%	126,909	12/31/2020
2020 Q3	10/26/2020	31,304	0.2%	129,501	9/30/2020
2020 Q2	7/27/2020	37,421	0.3%	144,741	6/30/2020
2020 Q1	4/28/2020	32,419	0.3%	148,882	3/31/2020
2019 Q4	1/15/2020	51,760	0.3%	225,221	12/31/2019