American Tower Ownership | Who Owns American Tower?

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American Tower Ownership Summary

American Tower is owned by 25.30% institutional investors, 0.15% insiders, and 74.55% 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 3.74% of its assets in American Tower shares.

AMT Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	American Tower	25.30%	0.15%	74.55%
Sector	Real Estate Stocks	42.65%	9.09%	48.26%
Industry	Specialty REIT Stocks	53.72%	3.97%	42.31%
Idea	5G Stocks List	46.02%	7.90%	46.08%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Vanguard group	63.76M	13.62%	$11.19B
Blackrock funding, inc. /de	44.03M	9.41%	$7.73B
Blackrock	38.11M	8.17%	$7.41B
State street	20.92M	4.47%	$4.06B
Jpmorgan chase	14.41M	3.08%	$2.53B
Geode capital management	13.50M	2.88%	$2.36B
Cohen & steers	12.49M	2.67%	$2.19B
Fmr	12.25M	2.62%	$2.36B
Morgan stanley	9.81M	2.10%	$1.72B
Deutsche bank ag\	7.77M	1.66%	$1.34B

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Heard capital	1.02M	9.48%	$195.47M
Rockbridge capital management	88.38K	9.37%	$15.52M
B&i capital	153.49K	9.01%	$26.49M
Patrizia pty	27.94K	8.55%	$5.43M
Avenir	419.47K	8.40%	$80.67M
Vert asset management	130.24K	7.13%	$22.48M
American assets capital advisers	33.21K	6.74%	$6.39M
Maple-brown abbott	229.14K	5.12%	$42.03M
Uniplan investment counsel	251.40K	4.74%	$48.35M
Meketa investment group inc /adv	7.11K	4.22%	$1.25M

Top Buyers

Holder	Shares	% Assets	Change
Norges bank	6.67M	0.13%	6.67M
Vanguard fiduciary trust	2.70M	0.12%	2.70M
Capital investors	3.87M	0.11%	2.36M
Blackrock	38.11M	0.17%	1.70M
Vanguard global advisers	1.02M	0.10%	1.02M

Top Sellers

Holder	Shares	% Assets	Change
Wellington management group llp	2.60M	0.09%	-4.97M
Viking global investors lp	-	-	-2.80M
Massachusetts financial services co /ma/	1.08M	0.06%	-1.94M
Goldman sachs group	3.86M	0.08%	-1.48M
Price t rowe associates inc /md/	6.20M	0.13%	-1.43M

New Positions

Holder	Shares	% Assets	Change	Value
Norges bank	6.67M	0.13%	6.67M	$1.17B
Vanguard fiduciary trust	2.70M	0.12%	2.70M	$465.91M
Vanguard global advisers	1.02M	0.10%	1.02M	$176.73M
Vanguard asset management	812.95K	0.12%	812.95K	$140.30M
Vanguard investments australia	469.60K	0.24%	469.60K	$81.04M

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 %
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%
Mar 31, 2025	19	-98.95%	2,952,755	-99.32%	-	0.01%	9	-98.85%	6	-99.24%
Dec 31, 2024	1,735	-7.57%	430,567,191	1.71%	92	1.12%	739	-15.45%	759	7.66%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Real Estate Index Investor	17.42M	3.74%	-67.70K
Vanguard Total Stock Mkt Idx Inv	14.81M	3.18%	816.00
Vanguard US Total Market Shares ETF	14.80M	3.17%	19.94K
Core Plus Full Discretion CIT D	12.64M	2.71%	12.64M
Loomis Sayles CPFD CIT	12.64M	2.71%	12.64M
Loomis Sayles Inv Grade Bond CIT	12.64M	2.71%	12.64M
Vanguard 500 Index Investor	11.92M	2.56%	-122.00K
iShares Core S&P 500 ETF	6.06M	1.30%	17.75K
Fidelity 500 Index	5.98M	1.28%	20.83K
SPDR® S&P 500 ETF	5.81M	1.24%	-85.25K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Apr 29, 2026	Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	Sell	$73.86K
Apr 28, 2026	Dowling Ruth T	EVP, Chief Admin Ofr, GC & Sec	Sell	$99.23K
Mar 10, 2026	Kalathur Rajesh	-	Buy	$494.94K
Mar 04, 2026	Vondran Steven O	President and CEO	Sell	$336.55K
Mar 04, 2026	Vondran Steven O	President and CEO	Sell	$2.83M

Insider Transactions Trends

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

AMT Ownership FAQ

Who Owns American Tower?

American Tower shareholders are primarily institutional investors at 25.30%, followed by 0.15% insiders and 74.55% retail investors. The average institutional ownership in American Tower's industry, Specialty REIT Stocks , is 53.72%, which American Tower falls below.

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 (44.03M shares, 9.41%), and Blackrock (38.11M shares, 8.17%). Together, they hold 31.20% 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?

Heard capital is American Tower’s biggest shareholder by percentage of total assets invested, with 9.48% of its assets in 1.02M American Tower shares, valued at 195.47M$.

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 3.74% of its total shares outstanding invested in 17.42M American Tower shares.

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