American Tower AMT Institutional Ownership

NYSE AMT

$172.99 -2.43 (-1.39%)

As of: Sep 10, 2026 · 3:59 PM EDT

Institutions by Trading Activity

1,736 Institutions

Increased 856 49.3%

Unchanged 223 12.8%

Reduced 657 37.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

95.64%

▲+3.54 pp QoQ

Shares Held by Institutions

445.63Mn

of 465.94Mn outstanding

▲+4.66% QoQ

Shares Outstanding

465.94Mn

20.31Mn held outside 13F filers

Institutional Investors

1,736

filed 13F for Jun 2026

▼-4 vs prior quarter

Net Shares Added (QoQ)

+19.82Mn

accumulated since last quarter

Value of Holdings

$78.32Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

American Tower Corp /Ma/ (NYSE:AMT) has 1,736 institutional investors with active 13F positions as of June 2026.

They owned 95.6% of outstanding stock in June 2026, up from 92.1% the prior quarter.
Their total shares held in AMT increased 4.66% quarter over quarter, and separately, investors owning American Tower decreased 5.5% from a year ago.
During the quarter, 856 of these 1,736 funds increased positions in AMT, 657 reduced exposure, and 223 held steady.
In total, institutional investors held 445.63Mn shares in American Tower as of June 2026, up by 19.82Mn shares quarter on quarter, and up 6.73Mn shares year over year.
BlackRock, Inc. leads ownership in AMT with 45.8Mn shares as of June 30, 2026, equal to 9.83% of outstanding shares.
Leading buyers of American Tower shares for the quarter ending June 2026 were NORGES BANK (6.37Mn), Sixth Street Partners Management Company, L.P. (5.61Mn), AQR CAPITAL MANAGEMENT LLC (1.89Mn), ONTARIO TEACHERS PENSION PLAN BOARD (1.78Mn), JANE STREET GROUP, LLC (1.46Mn).
The largest sellers of American Tower for the quarter ending June 2026 were Jpmorgan Chase & Co (6.27Mn), Nuveen, LLC (1.26Mn), Capital Research Global Investors (1.18Mn), DEUTSCHE BANK AG\ (1.07Mn), Franklin Resources Inc (925.18K).
Per Business Quant data, the top 10 holders of American Tower for the quarter ending June 2026 are BlackRock, Inc. (45.8Mn), VANGUARD CAPITAL MANAGEMENT LLC (30.44Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (27.85Mn), State Street Corp (22.07Mn), GEODE CAPITAL MANAGEMENT, LLC (13.84Mn), Cohen & Steers, Inc. (13.78Mn), FMR LLC (11.38Mn), Morgan Stanley (9.61Mn), Jpmorgan Chase & Co (8.85Mn), LAZARD ASSET MANAGEMENT LLC (8.4Mn).

Form 13F Holdings

1,736 Institutional Holders

Report period 30 Jun, 2026

Total shares held 445.63Mn

Of outstanding 95.64%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	45,796,561	9.83%	▲842,424	+1.87%	$7.49Bn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	30,437,771	6.53%	▲75,391	+0.25%	$4.98Bn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	27,851,812	5.98%	▲255,653	+0.93%	$4.56Bn
4	State Street Corp	0000093751	22,066,202	4.74%	▲631,593	+2.95%	$3.65Bn
5	GEODE CAPITAL MANAGEMENT, LLC	0001214717	13,838,970	2.97%	▼94,658	-0.68%	$2.26Bn
6	Cohen & Steers, Inc.	0001284812	13,777,789	2.96%	▲1,157,923	+9.18%	$2.25Mn
7	FMR LLC	0000315066	11,376,427	2.44%	▲59,379	+0.52%	$1.86Bn
8	Morgan Stanley	0000895421	9,610,971	2.06%	▲27,048	+0.28%	$1.57Bn
9	Jpmorgan Chase & Co	0000019617	8,853,450	1.90%	▼6,274,917	-41.48%	$1.49Bn
10	LAZARD ASSET MANAGEMENT LLC	0001207017	8,403,123	1.80%	▲1,077,180	+14.70%	$1.37Bn
11	Invesco Ltd.	0000914208	7,068,996	1.52%	▼206,234	-2.83%	$1.16Bn
12	DEUTSCHE BANK AG\	0000948046	6,701,631	1.44%	▼1,067,722	-13.74%	$1.10Bn
13	Capital World Investors	0001422849	6,554,891	1.41%	▲887,003	+15.65%	$1.07Bn
14	NORGES BANK	0001374170	6,366,685	1.37%	▲6,366,685	0.00%	$1.04Bn
15	DIMENSIONAL FUND ADVISORS LP	0000354204	5,875,655	1.26%	▲64,614	+1.11%	$961.16Mn
16	Principal Financial Group Inc	0001126328	5,742,438	1.23%	▼172,153	-2.91%	$939.30Mn
17	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	5,607,388	1.20%	▲367,100	+7.01%	$917.20Mn
17	Sixth Street Partners Management Company, L.P.	0001812095	5,607,388	1.20%	▲5,607,388	0.00%	$917.20Mn
18	Northern Trust Corp	0000073124	5,023,525	1.08%	▼316,209	-5.92%	$821.70Mn
19	Goldman Sachs Group Inc	0000886982	4,958,386	1.06%	▲260,993	+5.56%	$811.04Mn

Showing 1 to 20 of 1,736 holders