American Tower Ownership | Who Owns American Tower?

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American Tower Ownership Summary

American Tower is owned by 95.37% institutional investors, 0.08% insiders, and 4.56% retail investors. Vanguard group is the largest institutional shareholder, holding 13.62% of AMT shares. Vanguard Real Estate Index Investor is the top mutual fund, with 3.81% of its assets in American Tower shares.

AMT Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	American Tower	95.37%	0.08%	4.56%
Sector	Real Estate Stocks	73.66%	9.57%	16.77%
Industry	Specialty REIT Stocks	86.19%	5.30%	8.52%
Idea	5G Stocks List	80.04%	8.14%	11.82%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	63.76M	13.62%	$11.19B
Blackrock funding, inc. /de	45.80M	9.82%	$7.49B
Blackrock	38.11M	8.17%	$7.41B
Vanguard capital management	30.44M	6.53%	$4.98B
State street	22.07M	4.73%	$3.65B
Geode capital management	13.84M	2.97%	$2.26B
Cohen & steers	13.78M	2.96%	$2.25B
Fmr	11.38M	2.44%	$1.86B
Morgan stanley	9.61M	2.06%	$1.57B
Jpmorgan chase	8.85M	1.90%	$1.49B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Ies	172.50K	9.08%	$28.22M
Patrizia pty	27.94K	8.55%	$5.43M
Rockbridge capital management	78.86K	8.31%	$12.90M
Avenir	407.12K	8.11%	$66.59M
Grs advisors	543.58K	7.51%	$88.91M
American assets capital advisers	33.21K	6.74%	$6.39M
Vert asset management	138.81K	6.21%	$22.70M
Heard capital	804.85K	5.63%	$131.65M
Magellan asset management	1.41M	5.14%	$230.02M
Maple-brown abbott	229.14K	5.12%	$42.03M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	6.37M	0.10%	6.37M
Sixth street partners management company	5.61M	0.12%	5.61M
Aqr capital management	2.46M	0.14%	1.89M
Ontario teachers pension plan board	1.78M	1.85%	1.78M
Blackrock	38.11M	0.17%	1.70M

Top Sellers

Holder	Shares	% Assets	Change
Jpmorgan chase	8.85M	0.08%	-6.27M
Viking global investors lp	-	-	-2.80M
Cantillon capital management	-	-	-1.61M
Nuveen	2.63M	0.10%	-1.26M
Capital research global investors	2.92M	0.07%	-1.18M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	6.37M	0.10%	6.37M	$1.04B
Sixth street partners management company	5.61M	0.12%	5.61M	$917.20M
Ontario teachers pension plan board	1.78M	1.85%	1.78M	$291.87M
Altshuler shaham	610.00K	1.24%	610.00K	$99.78M
Grs advisors	543.58K	7.51%	543.58K	$88.91M

Sold Out

Holder	Change
Mendota financial group	-1.00
Kohmann bosshard financial services	-1.00
Country trust bank	-1.00
Clean yield group	-1.00
Pacific capital wealth advisors	-1.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2026	1,783	-1.65%	444,594,143	3.05%	95	1.11%	857	-1.38%	662	0.46%
Mar 31, 2026	1,782	-2.84%	431,047,538	-9.23%	91	0.89%	863	10.93%	640	-21.47%
Dec 31, 2025	865	-53.37%	118,433,349	-72.35%	25	0.30%	352	-54.29%	417	-44.77%
Sep 30, 2025	1,082	-43.11%	143,276,334	-67.10%	30	0.35%	425	-51.65%	467	-34.41%
Jun 30, 2025	1,874	-0.58%	434,830,940	1.20%	92	1.10%	869	-2.47%	698	-4.51%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Real Estate Index Investor	17.73M	3.81%	-8.84K
Vanguard MStar Total Stk Mkt Idx Invest	14.84M	3.18%	42.31K
Vanguard Total Stock Mkt Idx Inv	14.79M	3.18%	-42.55K
Vanguard Morn Total Stk Mkt Idx Investor	14.79M	3.17%	-42.55K
Vanguard US Total Market Shares ETF	14.80M	3.17%	19.94K
Loomis Sayles CPFD CIT	12.64M	2.71%	12.64M
Core Plus Full Discretion CIT D	12.64M	2.71%	12.64M
Loomis Sayles Inv Grade Bond CIT	12.64M	2.71%	12.64M
Vanguard 500 Index Investor	12.23M	2.62%	128.22K
iShares Core S&P 500 ETF	6.29M	1.35%	10.03K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Aug 21, 2026	Kalathur Rajesh	-	Buy	$500.73K
Jul 29, 2026	Meyer Robert Joseph	SVP & Advisor to the CFO	Sell	$894.45K
Jul 28, 2026	Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	Sell	$116.13K
Jul 29, 2026	Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	Sell	$193.51K
Apr 28, 2026	Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	Sell	$99.23K

Insider Transactions Trends

Date	Buy	Sell
2026 Q3	-	3
2026 Q2	-	2
2026 Q1	1	13
2025 Q4	1	-
2025 Q3	-	1

AMT Ownership FAQ

Who Owns American Tower?

American Tower shareholders are primarily institutional investors at 95.37%, followed by 0.08% insiders and 4.55% retail investors. The average institutional ownership in American Tower's industry, Specialty REIT Stocks , is 86.19%, which American Tower exceeds.

Who owns the most shares of American Tower?

American Tower’s largest shareholders are Vanguard group (63.76M shares, 13.62%), Blackrock funding, inc. /de (45.8M shares, 9.82%), and Blackrock (38.11M shares, 8.17%). Together, they hold 31.62% of American Tower’s total shares outstanding.

Does Blackrock own American Tower?

Yes, BlackRock owns 8.17% of American Tower, totaling 38.11M shares as of Jun 2024. This represents 0.17% of BlackRock's total assets, with a market value of 7.41B$. In the last quarter, BlackRock increased its holdings by 1.7M shares, a 4.68% change.

Who is American Tower’s biggest shareholder by percentage of total assets invested?

Ies is American Tower’s biggest shareholder by percentage of total assets invested, with 9.08% of its assets in 172.5K American Tower shares, valued at 28.22M$.

Who is the top mutual fund holder of American Tower shares?

Vanguard Real Estate Index Investor is the top mutual fund holder of American Tower shares, with 3.81% of its total shares outstanding invested in 17.73M American Tower shares.

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