American Tower Corp /Ma/ (AMT) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

469,039,000Shares Outstanding

521,959,801Shares held by institutions

$92,987,138,548Value of institutional holdings

111.28%Institutional ownership %

18.02%Shares Changed QoQ

1,728No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

American Tower Corp /Ma/ (NYSE:AMT) appears in 1,717 institutional 13F filings for the quarter ending December 2025.

Their combined ownership stood at 110.0% of outstanding shares in December 2025, up from 96.4% in September 2025.
They increased total shares held in American Tower by 17.38% from the prior quarter, while the number of investors in AMT decreased 2.0% year over year.
Activity in AMT broke down as 752 buyers, 795 sellers, and 170 unchanged among 1,717 total holders.
In total, institutional investors held 516.08Mn shares in American Tower as of December 2025, up by 76.43Mn shares quarter on quarter, and up 59.39Mn shares year over year.
As of December 31, 2025, SG Americas Securities, LLC held the largest stake in American Tower with 1.38Mn shares, accounting for 0.29% of total shares outstanding.
The largest buyers of American Tower for the quarter ending December 2025 were SG Americas Securities, LLC (270.79K), WEALTH ENHANCEMENT ADVISORY SERVICES, LLC (213.09K), AEGON ASSET MANAGEMENT UK PLC (123.96K), Janney Montgomery Scott LLC (111.2K), Robeco Institutional Asset Management B.V. (86.64K).
Leading sellers of American Tower shares for the quarter ending December 2025 were Raiffeisen Bank International AG (108.2K), Fisher Funds Management LTD (78.21K), LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA (72.23K), HOWLAND CAPITAL MANAGEMENT LLC (67.64K), BI Asset Management Fondsmaeglerselskab A/S (47.8K).
American Tower's 10 largest shareholders as of December 2025 include SG Americas Securities, LLC (1.38Mn), LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA (1.22Mn), DAVENPORT & Co LLC (1.03Mn), Sarasin & Partners LLP (863.17K), Douglas Lane & Associates, LLC (437.65K), Border to Coast Pensions Partnership Ltd (437.0K), Lansforsakringar Fondforvaltning AB (publ) (407.55K), Pictet Asset Management Holding SA (392.26K), FORT WASHINGTON INVESTMENT ADVISORS INC /OH/ (366.3K), Retirement Systems of Alabama (360.49K) per Business Quant data.

1,744 Institutional Holders

521,959,801 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
J. Stern & Co. LLP	31 Dec, 2025	75,373,956	75,240,414	56,342.14%	$75,373,956.00
VANGUARD GROUP INC	31 Dec, 2025	63,757,586	117,418	0.18%	$11,193,919,375.00
BlackRock, Inc.	31 Dec, 2025	44,034,756	-1,368,793	-3.01%	$7,731,182,133.00
State Street Corp	31 Dec, 2025	20,987,534	71,605	0.34%	$3,719,633,535.00
Jpmorgan Chase & Co	31 Dec, 2025	14,412,242	-16,344,934	-53.14%	$2,530,357,622.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	13,499,035	227,361	1.71%	$2,361,674,915.00
Cohen & Steers, Inc.	31 Dec, 2025	12,487,087	-1,014,285	-7.51%	$2,192,460.00
FMR LLC	31 Dec, 2025	12,018,839	-228,694	-1.87%	$2,110,147,606.00
Morgan Stanley	31 Dec, 2025	9,807,651	-226,008	-2.25%	$1,721,929,724.00
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO	31 Dec, 2025	9,757,135	9,710,488	20,816.96%	$323,045,972.00
Goldman Sachs Group Inc	31 Dec, 2025	7,723,485	2,385,600	44.69%	$1,356,012,108.00
Invesco Ltd.	31 Dec, 2025	6,948,190	59,771	0.87%	$1,219,893,801.00
DEUTSCHE BANK AG\	31 Dec, 2025	6,909,301	-626,144	-8.31%	$1,213,065,976.00
NORGES BANK	31 Dec, 2025	6,670,729	6,670,729	0.00%	$1,171,179,891.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	6,283,130	-74,712	-1.18%	$1,103,149,832.00
LAZARD ASSET MANAGEMENT LLC	31 Dec, 2025	6,085,163	1,620,781	36.30%	$1,068,371,954.00
Principal Financial Group Inc	31 Dec, 2025	6,038,061	57,545	0.96%	$1,060,102,709.00
Northern Trust Corp	31 Dec, 2025	5,353,004	-64,138	-1.18%	$939,826,913.00
Franklin Resources Inc	31 Dec, 2025	5,338,399	-37,031	-0.69%	$937,262,712.00
CHARLES SCHWAB INVESTMENT MANAGEMENT INC	31 Dec, 2025	5,102,069	-454,745	-8.18%	$895,770,254.00

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