Cohen Klingenstein LLC

Holdings History for AMERICAN TOWER CORP /MA/ - Common Stock (AMT)

Symbol: AMT on NYSE
Investment type: Equity / Common Stock

Shares, Excluding Options vs Price

Value, Excluding Options

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.32%	0%	$10,694,671	60,914	0		$175.57	Q4 2025
30 Sep 2025	0.37%	0%	$11,714,980	60,914	0		$192.32	Q3 2025
30 Jun 2025	0.45%	0%	$13,463,212	60,914	0		$221.02	Q2 2025
31 Mar 2025	0.48%	0%	$13,254,886	60,914	0		$217.60	Q1 2025
31 Dec 2024	0.38%	-0.07%	$11,172,237	60,914	-10,710	-15%	$183.41	Q4 2024
30 Sep 2024	0.58%	0%	$16,656,877	71,624	0		$232.56	Q3 2024
30 Jun 2024	0.51%	-0.02%	$13,922,273	71,624	-2,497	-3.4%	$194.38	Q2 2024
31 Mar 2024	0.55%	-0.02%	$14,645,568	74,121	-2,428	-3.2%	$197.59	Q1 2024
31 Dec 2023	0.68%	0%	$16,525,398	76,549	0		$215.88	Q4 2023
30 Sep 2023	0.57%	-0.01%	$12,588,483	76,549	-1,471	-1.9%	$164.45	Q3 2023
30 Jun 2023	0.66%	0%	$15,131,199	78,020	0		$193.94	Q2 2023
31 Mar 2023	0.75%	-0%	$15,942,607	78,020	-194	-0.25%	$204.34	Q1 2023
31 Dec 2022	0.83%	0%	$16,570,418	78,214	0		$211.86	Q4 2022
30 Sep 2022	0.89%	-0%	$16,793,000	78,214	-395	-0.5%	$214.71	Q3 2022
30 Jun 2022	1%	0%	$20,092,000	78,609	0		$255.59	Q2 2022
31 Mar 2022	0.82%	0%	$19,748,000	78,609	0		$251.22	Q1 2022
31 Dec 2021	0.91%	-0.09%	$22,993,000	78,609	-8,175	-9.4%	$292.50	Q4 2021
30 Sep 2021	1%	-0.19%	$23,033,000	86,784	-16,000	-16%	$265.41	Q3 2021
30 Jun 2021	1.2%	-0.01%	$27,766,000	102,784	-950	-0.92%	$270.14	Q2 2021
31 Mar 2021	1.1%	0%	$24,799,000	103,734	0		$239.06	Q1 2021
31 Dec 2020	1.2%	0%	$23,284,000	103,734	0		$224.46	Q4 2020
30 Sep 2020	1.4%	0%	$25,076,000	103,734	0		$241.73	Q3 2020
30 Jun 2020	1.6%	0%	$26,819,000	103,734	0		$258.54	Q2 2020
31 Mar 2020	1.7%	-0.04%	$22,588,000	103,734	-2,480	-2.3%	$217.75	Q1 2020
31 Dec 2019	1.4%	0%	$24,410,000	106,214	0		$229.82	Q4 2019
30 Sep 2019	1.5%	+0.3%	$23,487,000	106,214	+21,285	+25%	$221.13	Q3 2019
30 Jun 2019	1.2%	-0.31%	$17,364,000	84,929	-21,285	-20%	$204.45	Q2 2019
31 Mar 2019	1.5%	+1.2%	$20,931,000	106,214	+84,384	+387%	$197.06	Q1 2019
31 Dec 2018	0.52%	0%	$3,453,000	21,830	0		$158.18	Q4 2018
30 Sep 2018	0.4%	0%	$3,172,000	21,830	0		$145.30	Q3 2018
30 Jun 2018	0.43%	0%	$3,147,000	21,830	0		$144.16	Q2 2018
31 Mar 2018	0.45%	0%	$3,173,000	21,830	0		$145.35	Q1 2018
31 Dec 2017	0.44%	0%	$3,114,000	21,830	0		$142.65	Q4 2017
30 Sep 2017	0.45%	0%	$2,984,000	21,830	0		$136.69	Q3 2017
30 Jun 2017	0.45%	0%	$2,889,000	21,830	0		$132.34	Q2 2017
31 Mar 2017	0.43%	0%	$2,653,000	21,830	0		$121.53	Q1 2017
31 Dec 2016	0.39%	0%	$2,307,000	21,830	0		$105.68	Q4 2016
30 Sep 2016	0.43%	0%	$2,474,000	21,830	0		$113.33	Q3 2016
30 Jun 2016	0.46%	0%	$2,480,000	21,830	0		$113.61	Q2 2016
31 Mar 2016	0.42%	0%	$2,235,000	21,830	0		$102.38	Q1 2016
31 Dec 2015	0.39%	0%	$2,116,000	21,830	0		$96.93	Q4 2015
30 Sep 2015	0.38%	0%	$1,921,000	21,830	0		$88.00	Q3 2015
30 Jun 2015	0.37%	0%	$2,037,000	21,830	0		$93.31	Q2 2015
31 Mar 2015	0.38%	0%	$2,055,000	21,830	0		$94.14	Q1 2015
31 Dec 2014	0.41%	0%	$2,158,000	21,830	0		$98.85	Q4 2014
30 Sep 2014	0.36%	0%	$2,044,000	21,830	0		$93.63	Q3 2014
30 Jun 2014	0.38%	0%	$1,964,000	21,830	0		$89.97	Q2 2014
31 Mar 2014	0.36%	0%	$1,787,000	21,830	0		$81.86	Q1 2014
31 Dec 2013	0.35%	0%	$1,742,000	21,830	0		$79.80	Q4 2013

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.