American Tower Corporation AMT

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187.29 USD -1.01 (-0.54%)

At closeNov 4, 2026, 4:25 AM EST

187.76 +0.47 +0.25%

Pre-market · Nov 4, 4:25 AM ET

184.61 Day range 187.50

160.06 52-week range 202.50

Held by insiders 0.08%

Held by institutions 97.29%

Float held by institutions 97.36%

Institutions 2,401

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	9.87%	45,796,561	8.58B	Jun 29, 2026
Vanguard Capital Management LLC	6.56%	30,437,771	5.70B	Jun 29, 2026
Vanguard Portfolio Management LLC	6.01%	27,851,812	5.22B	Jun 29, 2026
State Street Corporation	4.76%	22,066,202	4.13B	Jun 29, 2026
Geode Capital Management, LLC	2.98%	13,838,970	2.59B	Jun 29, 2026
Cohen & Steers Inc.	2.97%	13,777,789	2.58B	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
VANGUARD SPECIALIZED FUNDS-Vanguard Real Estate Index Fund	3.82%	17,730,165	3.32B	Jul 30, 2026
VANGUARD INDEX FUNDS-Vanguard Total Stock Market Index Fund	3.19%	14,791,204	2.77B	Jun 29, 2026
VANGUARD INDEX FUNDS-Vanguard 500 Index Fund	2.60%	12,073,918	2.26B	Jun 29, 2026
iShares Trust-iShares Core S&P 500 ETF	1.34%	6,208,720	1.16B	Sep 29, 2026
Fidelity Concord Street Trust-Fidelity 500 Index Fund	1.30%	6,047,712	1.13B	Aug 30, 2026
SPDR S&P 500 ETF TRUST-State Street SPDR S&P 500 ETF Trust	1.25%	5,779,695	1.08B	Sep 29, 2026

AMT insiders
Insider	Relation	Latest transaction	Date	Shares held
DOWLING RUTH T	General Counsel	Sale	Jul 28, 2026	27,711
FONT JUAN HERNANDEZ	Officer	Stock Award(Grant)	Mar 9, 2026	28,352
GOEL SANJAY	Officer	Sale	Mar 16, 2025	25,408
MEYER ROBERT JOSEPH JR	Officer	Sale	Jul 28, 2026	21,428
NOEL EUGENE M	Chief Operating Officer	Stock Award(Grant)	Mar 9, 2026	34,542
PUECH OLIVIER	President	Stock Award(Grant)	Mar 9, 2025	38,023

Held by funds