AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

GAMCO INVESTORS, INC. ET AL's Holding History (CIK: 0000807249)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 24,568 Value ($000) $4,313 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 25,291 Value ($000) $4,864 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 27,581 Value ($000) $6,096 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 27,329 Value ($000) $5,947 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 30,417 Value ($000) $5,579 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 31,688 Value ($000) $7,369 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 32,124 Value ($000) $6,244 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 32,323 Value ($000) $6,387 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 32,949 Value ($000) $7,113 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 33,271 Value ($000) $5,471 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 1,911 Value ($000) $371 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 1,926 Value ($000) $394 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 16,522 Value ($000) $3,500 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 22,362 Value ($000) $4,801 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 1,557 Value ($000) $398 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 2,248 Value ($000) $565 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 1,506 Value ($000) $441 Avg Close $239.48 Range $222.02 - $259.23

Q2 2021

Shares 5,295 Value ($000) $1,430 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 3,500 Value ($000) $837 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 3,200 Value ($000) $718 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 14,640 Value ($000) $3,539 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 13,530 Value ($000) $3,498 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 9,895 Value ($000) $2,155 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 13,846 Value ($000) $3,182 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 18,954 Value ($000) $4,191 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 18,750 Value ($000) $3,833 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 17,856 Value ($000) $3,519 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 18,398 Value ($000) $2,910 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 7,372 Value ($000) $1,071 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 7,692 Value ($000) $1,109 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 7,922 Value ($000) $1,151 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 18,262 Value ($000) $2,605 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 18,703 Value ($000) $2,556 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 19,448 Value ($000) $2,573 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 14,429 Value ($000) $1,754 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 5,565 Value ($000) $588 Avg Close $86.33 Range $79.20 - $93.79

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	24,568	$4,313	$180.30	$169.12 - $192.63
Q3 2025	25,291	$4,864	$204.56	$185.10 - $230.04
Q2 2025	27,581	$6,096	$210.37	$190.80 - $225.87
Q1 2025	27,329	$5,947	$189.52	$166.66 - $212.16
Q4 2024	30,417	$5,579	$198.35	$171.45 - $222.90
Q3 2024	31,688	$7,369	$210.79	$182.10 - $231.55
Q2 2024	32,124	$6,244	$176.27	$160.72 - $190.06
Q1 2024	32,323	$6,387	$186.13	$169.29 - $204.74
Q4 2023	32,949	$7,113	$175.15	$141.88 - $204.01
Q3 2023	33,271	$5,471	$167.65	$145.17 - $184.31
Q2 2023	1,911	$371	$178.08	$162.53 - $192.95
Q1 2023	1,926	$394	$189.59	$171.12 - $212.87
Q4 2022	16,522	$3,500	$186.71	$159.82 - $204.49
Q3 2022	22,362	$4,801	$228.80	$188.24 - $251.54
Q2 2022	1,557	$398	$222.20	$196.54 - $240.37
Q1 2022	2,248	$565	$214.86	$193.72 - $257.60
Q4 2021	1,506	$441	$239.48	$222.02 - $259.23
Q2 2021	5,295	$1,430	$221.28	$204.65 - $239.67
Q1 2021	3,500	$837	$192.28	$170.54 - $209.67
Q4 2020	3,200	$718	$199.71	$184.97 - $217.31
Q3 2020	14,640	$3,539	$216.72	$200.88 - $232.60
Q2 2020	13,530	$3,498	$210.56	$171.21 - $229.12
Q1 2020	9,895	$2,155	$197.22	$147.72 - $219.16
Q4 2019	13,846	$3,182	$183.82	$171.19 - $195.06
Q3 2019	18,954	$4,191	$183.38	$167.57 - $203.29
Q2 2019	18,750	$3,833	$168.17	$157.69 - $183.80
Q1 2019	17,856	$3,519	$146.03	$128.16 - $164.30
Q4 2018	18,398	$2,910	$129.50	$116.26 - $139.59
Q3 2018	7,372	$1,071	$120.79	$114.07 - $125.11
Q2 2018	7,692	$1,109	$113.83	$109.35 - $119.75
Q1 2018	7,922	$1,151	$114.77	$106.21 - $122.30
Q4 2017	18,262	$2,605	$115.75	$109.97 - $125.87
Q3 2017	18,703	$2,556	$112.31	$105.52 - $119.95
Q2 2017	19,448	$2,573	$102.88	$96.18 - $110.06
Q1 2017	14,429	$1,754	$87.85	$81.86 - $97.31
Q4 2016	5,565	$588	$86.33	$79.20 - $93.79