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AMT US
American Tower Corp /MA/
(AMT US)
$188.97
+7.40
4.08%
Ext:
$186.45
-2.52
1.33%
(Market Closed · 00:00:02 UTC)
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Financials & Metrics
Financials
Charting
Short Interest
Employees
SEC Filings by Owner
Select Filings
Insider Ownership
TAICLET JAMES D JR
(119)
Expand
4
PRIMARY DOCUMENT
16 Jun 2020
4
PRIMARY DOCUMENT
13 Mar 2020
4
PRIMARY DOCUMENT
12 Mar 2020
4
PRIMARY DOCUMENT
27 Feb 2020
5
PRIMARY DOCUMENT
12 Feb 2020
4
PRIMARY DOCUMENT
5 Aug 2019
4
PRIMARY DOCUMENT
3 Jul 2019
4
PRIMARY DOCUMENT
5 Jun 2019
4
PRIMARY DOCUMENT
3 May 2019
4
PRIMARY DOCUMENT
19 Apr 2019
HESS WILLIAM H
(96)
Expand
4
PRIMARY DOCUMENT
2 Jul 2019
4
PRIMARY DOCUMENT
8 May 2019
4
PRIMARY DOCUMENT
14 Mar 2019
4
PRIMARY DOCUMENT
12 Mar 2019
4
PRIMARY DOCUMENT
1 Mar 2019
5
PRIMARY DOCUMENT
12 Feb 2019
4
PRIMARY DOCUMENT
13 Mar 2018
4
PRIMARY DOCUMENT
1 Mar 2018
5
PRIMARY DOCUMENT
12 Feb 2018
4
PRIMARY DOCUMENT
5 Apr 2017
Meyer Robert Joseph
(68)
Expand
4
Statement of changes in beneficial ownership
31 Jul
4
Statement of changes in beneficial ownership
3 Jun
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
3 Mar
4
Statement of changes in beneficial ownership
3 Jun 2025
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
28 Feb 2025
4
Statement of changes in beneficial ownership
6 Aug 2024
4
Statement of changes in beneficial ownership
4 Jun 2024
4
Statement of changes in beneficial ownership
12 Mar 2024
DiSanto Edmund
(66)
Expand
4
Statement of changes in beneficial ownership
3 Jul 2023
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
28 Feb 2023
4
Statement of changes in beneficial ownership
4 Nov 2022
4
Statement of changes in beneficial ownership
15 Mar 2022
4
Statement of changes in beneficial ownership
14 Mar 2022
4
Statement of changes in beneficial ownership
28 Feb 2022
5
Annual statement of beneficial ownership
10 Feb 2022
4
PRIMARY DOCUMENT
15 Mar 2021
4
PRIMARY DOCUMENT
12 Mar 2021
Bartlett Thomas A
(62)
Expand
4
Statement of changes in beneficial ownership
3 May 2024
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
1 Mar 2024
4
Statement of changes in beneficial ownership
3 May 2023
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
28 Feb 2023
4
Statement of changes in beneficial ownership
3 May 2022
4
Statement of changes in beneficial ownership
15 Mar 2022
4
Statement of changes in beneficial ownership
14 Mar 2022
4
Statement of changes in beneficial ownership
14 Mar 2022
Sharma Amit
(47)
Expand
4
Statement of changes in beneficial ownership
6 Jul 2021
4
Statement of changes in beneficial ownership
18 May 2021
4
Statement of changes in beneficial ownership
12 May 2021
4
PRIMARY DOCUMENT
15 Mar 2021
4
PRIMARY DOCUMENT
12 Mar 2021
4
PRIMARY DOCUMENT
1 Mar 2021
4
PRIMARY DOCUMENT
23 Sep 2020
4
PRIMARY DOCUMENT
21 Sep 2020
4
PRIMARY DOCUMENT
13 Mar 2020
4
PRIMARY DOCUMENT
12 Mar 2020
CHAVKIN ARNOLD L
(43)
Expand
4
Statement of changes in beneficial ownership
27 Jan 2004
4
Statement of changes in beneficial ownership
13 Jan 2004
4/A
AMENDMENT TO FORM 4
27 Jan 2004
4
Statement of changes in beneficial ownership
12 Jan 2004
4
Statement of changes in beneficial ownership
9 Jan 2004
4
Statement of changes in beneficial ownership
8 Jan 2004
4
Statement of changes in beneficial ownership
3 Dec 2003
4/A
AMENDMENT TO FORM 4
3 Dec 2003
4/A
AMENDMENT TO FORM 4
4 Dec 2003
4
Statement of changes in beneficial ownership
17 Nov 2003
THOMPSON SAMME L
(39)
Expand
4
Statement of changes in beneficial ownership
22 May 2024
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
5 Mar 2024
4
Statement of changes in beneficial ownership
28 Feb 2024
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
8 Feb 2023
4
Statement of changes in beneficial ownership
5 Jan 2023
4
Statement of changes in beneficial ownership
14 Mar 2022
4
Statement of changes in beneficial ownership
8 Feb 2022
4
Statement of changes in beneficial ownership
5 Jan 2022
Vondran Steven O
(39)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
6 Mar
4
Statement of changes in beneficial ownership
27 Feb
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
3 Mar 2025
4
Statement of changes in beneficial ownership
6 Aug 2024
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
6 Mar 2024
4
Statement of changes in beneficial ownership
1 Mar 2024
4
Statement of changes in beneficial ownership
14 Mar 2023
REEVE PAMELA D A
(38)
Expand
4
Statement of changes in beneficial ownership
1 Jun
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
28 Feb 2025
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
1 Mar 2024
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
14 Dec 2022
4
Statement of changes in beneficial ownership
14 Mar 2022
4
Statement of changes in beneficial ownership
13 Dec 2021
Puech Olivier
(38)
Expand
4
Statement of changes in beneficial ownership
6 Jan
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
3 Mar 2025
4
Statement of changes in beneficial ownership
5 Sep 2024
4
Statement of changes in beneficial ownership
28 Aug 2024
4
Statement of changes in beneficial ownership
6 Aug 2024
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
1 Mar 2024
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
28 Feb 2023
HORMATS ROBERT D
(37)
Expand
4
Statement of changes in beneficial ownership
20 May
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
7 May 2024
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
18 Oct 2023
4
Statement of changes in beneficial ownership
4 Oct 2023
4
Statement of changes in beneficial ownership
17 Aug 2023
4
Statement of changes in beneficial ownership
3 Aug 2023
4
Statement of changes in beneficial ownership
14 Mar 2023
SHARBUTT DAVID E
(37)
Expand
4
Statement of changes in beneficial ownership
24 May 2023
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
14 Mar 2022
4
Statement of changes in beneficial ownership
8 Sep 2021
4
Statement of changes in beneficial ownership
25 Aug 2021
4
PRIMARY DOCUMENT
12 Mar 2021
4
PRIMARY DOCUMENT
16 Sep 2020
4
PRIMARY DOCUMENT
17 Jun 2020
4
PRIMARY DOCUMENT
12 Mar 2020
4
PRIMARY DOCUMENT
2 Mar 2020
Smith Rodney M
(37)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
27 Feb
4
Statement of changes in beneficial ownership
19 Feb
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
3 Mar 2025
4
Statement of changes in beneficial ownership
18 Feb 2025
4
Statement of changes in beneficial ownership
17 Jan 2025
4
Statement of changes in beneficial ownership
3 May 2024
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
8 Mar 2024
Marshall Steven C.
(35)
Expand
4
PRIMARY DOCUMENT
1 Nov 2018
4
PRIMARY DOCUMENT
13 Mar 2018
4
PRIMARY DOCUMENT
1 Mar 2018
4
PRIMARY DOCUMENT
29 Jun 2017
4
PRIMARY DOCUMENT
14 Mar 2017
4
PRIMARY DOCUMENT
1 Mar 2017
4
PRIMARY DOCUMENT
13 Jul 2016
4
PRIMARY DOCUMENT
12 Jul 2016
4
PRIMARY DOCUMENT
14 Mar 2016
4
PRIMARY DOCUMENT
1 Mar 2016
DOLAN RAYMOND P
(32)
Expand
4
Statement of changes in beneficial ownership
22 May 2024
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
27 Feb 2023
4
Statement of changes in beneficial ownership
18 Jan 2023
4
Statement of changes in beneficial ownership
14 Mar 2022
4
PRIMARY DOCUMENT
12 Mar 2021
4
PRIMARY DOCUMENT
12 Mar 2020
4
PRIMARY DOCUMENT
12 Mar 2019
4
PRIMARY DOCUMENT
24 Jan 2019
GEARON J MICHAEL JR
(31)
Expand
4
PRIMARY DOCUMENT
3 Jan 2007
4
PRIMARY DOCUMENT
2 Mar 2006
4
PRIMARY DOCUMENT
27 Dec 2005
4/A
PRIMARY DOCUMENT
5 Dec 2005
4
PRIMARY DOCUMENT
15 Nov 2005
4
PRIMARY DOCUMENT
15 Nov 2005
4
PRIMARY DOCUMENT
5 Apr 2005
4
PRIMARY DOCUMENT
9 Feb 2005
5
PRIMARY DOCUMENT
9 Feb 2005
4
PRIMARY DOCUMENT
7 Dec 2004
KATZ CAROLYN
(31)
Expand
4
PRIMARY DOCUMENT
31 May 2017
4
PRIMARY DOCUMENT
14 Mar 2017
4
PRIMARY DOCUMENT
8 Sep 2016
4
PRIMARY DOCUMENT
9 Aug 2016
4
PRIMARY DOCUMENT
8 Jul 2016
4
PRIMARY DOCUMENT
2 Jun 2016
4
PRIMARY DOCUMENT
4 May 2016
4
PRIMARY DOCUMENT
14 Mar 2016
4
PRIMARY DOCUMENT
2 Mar 2016
4
PRIMARY DOCUMENT
12 Mar 2015
REED JOANN A
(29)
Expand
4
Statement of changes in beneficial ownership
16 May 2025
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
13 Nov 2023
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
1 Nov 2022
4
Statement of changes in beneficial ownership
14 Mar 2022
4
Statement of changes in beneficial ownership
18 Nov 2021
4
PRIMARY DOCUMENT
12 Mar 2021
4
PRIMARY DOCUMENT
10 Jun 2020
Lara Gustavo
(29)
Expand
4
Statement of changes in beneficial ownership
18 May 2022
4
Statement of changes in beneficial ownership
14 Mar 2022
4
PRIMARY DOCUMENT
12 Mar 2021
4
PRIMARY DOCUMENT
12 Mar 2020
4
PRIMARY DOCUMENT
14 Mar 2019
4
PRIMARY DOCUMENT
12 Mar 2019
4
PRIMARY DOCUMENT
5 Feb 2019
4
PRIMARY DOCUMENT
23 Jan 2019
4
PRIMARY DOCUMENT
13 Mar 2018
4
PRIMARY DOCUMENT
17 Mar 2017
MOSKOWITZ STEVEN J
(23)
Expand
4
PRIMARY DOCUMENT
1 Dec 2008
4
PRIMARY DOCUMENT
17 Nov 2008
4
PRIMARY DOCUMENT
13 Nov 2008
4
PRIMARY DOCUMENT
3 Jun 2008
4
PRIMARY DOCUMENT
3 Jun 2008
4
PRIMARY DOCUMENT
3 Jun 2008
4
PRIMARY DOCUMENT
3 Jun 2008
4
PRIMARY DOCUMENT
16 May 2008
4
PRIMARY DOCUMENT
18 Mar 2008
4
PRIMARY DOCUMENT
8 Jan 2008
SINGER BRADLEY E
(18)
Expand
4
PRIMARY DOCUMENT
15 May 2008
4
PRIMARY DOCUMENT
18 Mar 2008
4
PRIMARY DOCUMENT
15 Nov 2007
4
PRIMARY DOCUMENT
15 Nov 2007
4
PRIMARY DOCUMENT
20 Aug 2007
4
PRIMARY DOCUMENT
20 Aug 2007
4
PRIMARY DOCUMENT
19 Mar 2007
4
PRIMARY DOCUMENT
1 Feb 2007
4
PRIMARY DOCUMENT
3 Jan 2007
4
PRIMARY DOCUMENT
13 Mar 2006
DYKES RONALD M
(16)
Expand
4
PRIMARY DOCUMENT
12 Mar 2015
4
PRIMARY DOCUMENT
28 Nov 2014
4
PRIMARY DOCUMENT
8 Aug 2014
4
PRIMARY DOCUMENT
12 Mar 2014
5
PRIMARY DOCUMENT
14 Feb 2014
4
PRIMARY DOCUMENT
18 Mar 2013
4
PRIMARY DOCUMENT
13 Mar 2013
4
PRIMARY DOCUMENT
4 Dec 2012
4
PRIMARY DOCUMENT
14 Mar 2012
4
PRIMARY DOCUMENT
14 Mar 2011
MACNAB CRAIG
(15)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
14 Mar 2022
4
PRIMARY DOCUMENT
12 Mar 2021
4
PRIMARY DOCUMENT
12 Mar 2020
4
PRIMARY DOCUMENT
22 Aug 2019
4
PRIMARY DOCUMENT
12 Mar 2019
4
PRIMARY DOCUMENT
13 Mar 2018
BUA JEAN A
(13)
Expand
4
PRIMARY DOCUMENT
20 Aug 2010
4
PRIMARY DOCUMENT
10 Jun 2010
4
PRIMARY DOCUMENT
19 Mar 2010
4
PRIMARY DOCUMENT
12 Mar 2010
4
PRIMARY DOCUMENT
20 Aug 2009
4
PRIMARY DOCUMENT
19 Mar 2009
4
PRIMARY DOCUMENT
12 Mar 2009
4
PRIMARY DOCUMENT
13 May 2008
4
PRIMARY DOCUMENT
18 Mar 2008
4
PRIMARY DOCUMENT
19 Mar 2007
Goel Sanjay
(13)
Expand
4
Statement of changes in beneficial ownership
2 Apr 2025
4
Statement of changes in beneficial ownership
19 Mar 2025
4
Statement of changes in beneficial ownership
3 Mar 2025
4
Statement of changes in beneficial ownership
17 Sep 2024
4
Statement of changes in beneficial ownership
6 Aug 2024
4
Statement of changes in beneficial ownership
6 Jun 2024
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
1 Mar 2024
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
6 Feb 2023
Dowling Ruth T
(12)
Expand
4
Statement of changes in beneficial ownership
30 Jul
4
Statement of changes in beneficial ownership
30 Apr
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
6 Mar
4
Statement of changes in beneficial ownership
3 Mar
4
Statement of changes in beneficial ownership
27 Feb
4
Statement of changes in beneficial ownership
3 Oct 2025
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
3 Oct 2024
4
Statement of changes in beneficial ownership
12 Mar 2024
DODGE STEVEN B
(11)
Expand
5
PRIMARY DOCUMENT
17 Feb 2004
4
PRIMARY DOCUMENT
19 Nov 2003
4
PRIMARY DOCUMENT
7 Aug 2003
5
Annual statement of beneficial ownership
14 Feb 2003
4
Statement of changes in beneficial ownership
23 Aug 2002
4/A
FORM 4 AMENDMENT NO 1
7 Jun 2002
4
Statement of changes in beneficial ownership
17 May 2002
4
Statement of changes in beneficial ownership
4 Mar 2002
4
Statement of changes in beneficial ownership
1 Mar 2002
4
Statement of changes in beneficial ownership
21 Sep 2001
LUMMIS FRED R
(11)
Expand
4
PRIMARY DOCUMENT
19 Mar 2007
4
PRIMARY DOCUMENT
3 Jan 2007
4
PRIMARY DOCUMENT
2 Mar 2006
5
PRIMARY DOCUMENT
25 Jan 2006
4
PRIMARY DOCUMENT
14 Nov 2005
4
PRIMARY DOCUMENT
10 Nov 2005
4
PRIMARY DOCUMENT
8 Nov 2005
4
PRIMARY DOCUMENT
5 Apr 2005
4
PRIMARY DOCUMENT
9 Dec 2004
4
PRIMARY DOCUMENT
11 Mar 2004
Lieblein Grace
(10)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
14 Mar 2022
4
PRIMARY DOCUMENT
12 Mar 2021
4
PRIMARY DOCUMENT
12 Mar 2020
4
PRIMARY DOCUMENT
12 Mar 2019
4
PRIMARY DOCUMENT
13 Mar 2018
3
PRIMARY DOCUMENT
16 Jun 2017
Tanner Bruce L
(9)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
3 May 2022
4
Statement of changes in beneficial ownership
14 Mar 2022
4
PRIMARY DOCUMENT
12 Mar 2021
4
PRIMARY DOCUMENT
12 Mar 2020
3
PRIMARY DOCUMENT
19 Sep 2019
CLARK STEPHEN H /NC/
(8)
Expand
4
PRIMARY DOCUMENT
21 Sep 2005
4
PRIMARY DOCUMENT
21 Sep 2005
4
PRIMARY DOCUMENT
21 Sep 2005
4
PRIMARY DOCUMENT
14 Sep 2005
4
PRIMARY DOCUMENT
14 Sep 2005
4
PRIMARY DOCUMENT
8 Sep 2005
4
PRIMARY DOCUMENT
8 Sep 2005
3
PRIMARY DOCUMENT
11 Aug 2005
Font Juan
(7)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
6 Jan
4
Statement of changes in beneficial ownership
1 Aug 2025
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
7 Jan 2025
4
Statement of changes in beneficial ownership
19 Mar 2024
3
Initial statement of beneficial ownership
19 Mar 2024
Frank Kenneth R
(7)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
14 Mar 2022
4
PRIMARY DOCUMENT
12 Mar 2021
3
PRIMARY DOCUMENT
22 Jan 2021
Clarke Teresa Hillary
(7)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
22 Oct
4
Statement of changes in beneficial ownership
14 Mar 2023
4
Statement of changes in beneficial ownership
14 Mar 2022
3
Initial statement of beneficial ownership
20 Dec 2021
Chambliss Kelly C
(6)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
12 Mar 2024
4
Statement of changes in beneficial ownership
14 Mar 2023
3
Initial statement of beneficial ownership
17 Mar 2022
3/A
Initial statement of beneficial ownership (amendment)
10 May 2022
Noel Eugene M
(6)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
4 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
4
Statement of changes in beneficial ownership
12 Sep 2024
4
Statement of changes in beneficial ownership
12 Mar 2024
3
Initial statement of beneficial ownership
8 Nov 2023
ALLEN TIMOTHY
(5)
Expand
4
PRIMARY DOCUMENT
5 Apr 2005
4
PRIMARY DOCUMENT
22 Mar 2004
4
PRIMARY DOCUMENT
8 Mar 2004
4
PRIMARY DOCUMENT
2 Mar 2004
3
PRIMARY DOCUMENT
30 May 2003
Kalathur Rajesh
(5)
Expand
4
Statement of changes in beneficial ownership
25 Aug
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
3
Initial statement of beneficial ownership
6 Feb 2025
3/A
Initial statement of beneficial ownership (amendment)
7 Feb 2025
BOX ALAN L
(4)
Expand
4
Statement of changes in beneficial ownership
28 Feb 2003
5
Annual statement of beneficial ownership
14 Feb 2003
4
Statement of changes in beneficial ownership
18 Nov 2002
4
Statement of changes in beneficial ownership
27 Sep 2001
WILDEROTTER MAGGIE
(4)
Expand
4
PRIMARY DOCUMENT
8 Mar 2004
4/A
PRIMARY DOCUMENT
26 Nov 2003
4
PRIMARY DOCUMENT
10 Nov 2003
5
Annual statement of beneficial ownership
14 Feb 2003
REILLY EUGENE F
(4)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
4 Nov 2025
4
Statement of changes in beneficial ownership
23 Sep 2025
3
Initial statement of beneficial ownership
29 Aug 2025
Kearns Mark
(3)
Expand
4
PRIMARY DOCUMENT
3 Jun 2011
4
PRIMARY DOCUMENT
14 Mar 2011
3
PRIMARY DOCUMENT
8 Oct 2010
Ray Neville R
(3)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
3
Initial statement of beneficial ownership
19 Mar 2024
Rossi Richard C
(3)
Expand
4
Statement of changes in beneficial ownership
12 Mar
4
Statement of changes in beneficial ownership
12 Mar 2025
3
Initial statement of beneficial ownership
24 Jan 2025
AMERICAN TOWER CORP /MA/
(2)
Expand
4
Statement of changes in beneficial ownership
11 Dec 2025
3
Initial statement of beneficial ownership
26 Apr 2021
ALBERT PAUL M JR
(2)
Expand
4
PRIMARY DOCUMENT
2 Mar 2006
3
PRIMARY DOCUMENT
11 Aug 2005
Blanchett Paul
(2)
Expand
4
Statement of changes in beneficial ownership
5 Oct
3
Initial statement of beneficial ownership
30 Apr
BENINCASA JUSTIN D
(1)
Expand
5
Annual statement of beneficial ownership
14 Feb 2003
EISENSTEIN JAMES S
(1)
Expand
5
Annual statement of beneficial ownership
14 Feb 2003
Douglas Dean
(1)
Expand
3
PRIMARY DOCUMENT
11 Aug 2005
Ludgate Kristen M
(1)
Expand
3
Initial statement of beneficial ownership
23 Sep
ATC TRS II LLC
(1)
Expand
3
Initial statement of beneficial ownership
26 Apr 2021
≥5% Ownership
FMR LLC
(14)
Expand
SC 13G/A
American Tower Corp /Ma/
14 Feb 2014
SC 13G
American Tower Corp /Ma/
14 Feb 2013
SC 13G
American Tower Corp /Ma/
14 Feb 2011
SC 13G/A
American Tower Corp /Ma/
17 Feb 2009
SC 13G/A
American Tower Corp /Ma/
14 Feb 2008
SC 13G/A
American Tower Corp /Ma/
14 Feb 2007
SC 13G/A
American Tower Corp /Ma/
14 Feb 2006
SC 13G/A
American Tower Corp /Ma/
14 Feb 2005
SC 13G/A
American Tower Corp /Ma/
17 Feb 2004
SC 13G/A
American Tower Corp /Ma/
13 Feb 2003
BlackRock Inc.
(14)
Expand
SC 13G/A
American Tower Corp /Ma/
26 Jan 2024
SC 13G/A
American Tower Corp /Ma/
31 Jan 2023
SC 13G/A
American Tower Corp /Ma/
1 Feb 2022
SC 13G/A
American Tower Corp /Ma/
29 Jan 2021
SC 13G/A
American Tower Corp /Ma/
5 Feb 2020
SC 13G/A
American Tower Corp /Ma/
18 Mar 2019
SC 13G/A
American Tower Corp /Ma/
8 Feb 2018
SC 13G/A
American Tower Corp /Ma/
19 Jan 2017
SC 13G/A
American Tower Corp /Ma/
10 Feb 2016
SC 13G/A
American Tower Corp /Ma/
9 Feb 2015
PRICE T ROWE ASSOCIATES INC /MD/
(13)
Expand
SC 13G/A
American Tower Corp /Ma/
14 Feb 2018
SC 13G/A
American Tower Corp /Ma/
6 Feb 2017
SC 13G/A
American Tower Corp /Ma/
11 Feb 2016
SC 13G/A
American Tower Corp /Ma/
11 Feb 2015
SC 13G/A
American Tower Corp /Ma/
7 Feb 2014
SC 13G/A
American Tower Corp /Ma/
12 Feb 2013
SC 13G/A
American Tower Corp /Ma/
13 Feb 2012
SC 13G/A
American Tower Corp /Ma/
10 Feb 2011
SC 13G/A
American Tower Corp /Ma/
12 Feb 2010
SC 13G/A
American Tower Corp /Ma/
11 Feb 2009
VANGUARD GROUP INC
(12)
Expand
SC 13G/A
American Tower Corp /Ma/
26 Mar
SC 13G/A
American Tower Corp /Ma/
13 Feb 2024
SC 13G/A
American Tower Corp /Ma/
9 Feb 2023
SC 13G/A
American Tower Corp /Ma/
9 Feb 2022
SC 13G/A
American Tower Corp /Ma/
10 Feb 2021
SC 13G/A
American Tower Corp /Ma/
11 Feb 2020
SC 13G/A
American Tower Corp /Ma/
11 Feb 2019
SC 13G/A
American Tower Corp /Ma/
11 Jun 2018
SC 13G/A
American Tower Corp /Ma/
12 Feb 2018
SC 13G/A
American Tower Corp /Ma/
9 Feb 2017
WELLINGTON MANAGEMENT GROUP LLP
(12)
Expand
SC 13G/A
American Tower Corp /Ma/
28 Jan 2020
SC 13G/A
American Tower Corp /Ma/
12 Feb 2019
SC 13G
American Tower Corp /Ma/
8 Feb 2018
SC 13G/A
American Tower Corp /Ma/
14 Feb 2006
SC 13G/A
American Tower Corp /Ma/
14 Feb 2005
SC 13G/A
American Tower Corp /Ma/
12 Feb 2004
SC 13G/A
American Tower Corp /Ma/
10 Apr 2003
SC 13G
American Tower Corp /Ma/
12 Feb 2003
SC 13G/A
American Tower Corp /Ma/
30 Nov 2000
SC 13G/A
American Tower Corp /Ma/
11 Feb 2000
MASSACHUSETTS FINANCIAL SERVICES CO /MA/
(7)
Expand
SC 13G
American Tower Corp /Ma/
10 Feb 2005
SC 13G
American Tower Corp /Ma/
11 Feb 2004
SC 13G/A
American Tower Corp /Ma/
11 Feb 2003
SC 13G/A
American Tower Corp /Ma/
13 Sep 2002
SC 13G/A
American Tower Corp /Ma/
11 Feb 2002
SC 13G/A
American Tower Corp /Ma/
9 Feb 2001
SC 13G
American Tower Corp /Ma/
17 Oct 2000
SPO PARTNERS II LP
(5)
Expand
SC 13D/A
American Tower Corp /Ma/
3 Mar 2003
SC 13D/A
American Tower Corp /Ma/
19 Feb 2003
SC 13D/A
American Tower Corp /Ma/
26 Sep 2002
SC 13D/A
American Tower Corp /Ma/
17 Jul 2002
SC 13D
American Tower Corp /Ma/
14 Feb 2002
PUTNAM INVESTMENTS INC
(3)
Expand
SC 13G/A
American Tower Corp /Ma/
15 Feb 2001
SC 13G/A
American Tower Corp /Ma/
17 Feb 2000
SC 13G
American Tower Corp /Ma/
4 Feb 1999
J P MORGAN CHASE & CO
(2)
Expand
SC 13G/A
American Tower Corp /Ma/
12 Feb 2003
SC 13G
American Tower Corp /Ma/
14 Feb 2002
AMERICAN CENTURY INVESTMENT MANAGEMENT INC
(2)
Expand
SC 13G/A
American Tower Corp /Ma/
8 Feb 2002
SC 13G
American Tower Corp /Ma/
13 Feb 2001
JANUS CAPITAL CORP
(2)
Expand
SC 13G/A
American Tower Corp /Ma/
11 Dec 2001
SC 13G
American Tower Corp /Ma/
9 Feb 2001
GOLDMAN SACHS GROUP INC/
(2)
Expand
SC 13G/A
American Tower Corp /Ma/
1 Feb 2006
SC 13G
American Tower Corp /Ma/
7 Feb 2005
DODGE STEVEN B
(2)
Expand
SC 13G
American Tower Corp /Ma/
14 Feb 2000
SC 13G
American Tower Corp /Ma/
16 Feb 1999
AMERICAN TOWER CORP /MA/
(2)
Expand
SC 13D/A
AST SpaceMobile, Inc.
11 Dec 2025
SC 13D
AST SpaceMobile, Inc.
16 Apr 2021
CLEAR CHANNEL INVESTMENTS INC
(2)
Expand
SC 13D
American Tower Corp /Ma/
15 Oct 1999
SC 13G
American Tower Corp /Ma/
3 Mar 1999
EARNEST PARTNERS LLC
(2)
Expand
SC 13G/A
American Tower Corp /Ma/
11 Jul 2005
SC 13G
American Tower Corp /Ma/
14 Feb 2005
BAMCO INC /NY/
(1)
Expand
SC 13G
American Tower Corp /Ma/
11 Feb 2000
GEARON J MICHAEL JR
(1)
Expand
SC 13G
American Tower Corp /Ma/
16 Feb 1999
BlackRock, Inc.
(1)
Expand
SC 13G/A
American Tower Corp /Ma/
5 Feb 2025
VANGUARD CAPITAL MANAGEMENT LLC
(1)
Expand
SC 13G
American Tower Corp /Ma/
29 Apr
VANGUARD PORTFOLIO MANAGEMENT LLC
(1)
Expand
SC 13G
American Tower Corp /Ma/
28 Apr
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