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American Tower
AMT

Overview Fund Activity

1,817 hedge funds and large institutions have $96.1B invested in American Tower in 2025 Q2 according to their latest regulatory filings, with 137 funds opening new positions, 728 increasing their positions, 705 reducing their positions, and 107 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
1,817
Holders Change
-3
Holders Change %
-0.16%
% of All Funds
24.36%
Holding in Top 10
34
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-10.53%
% of All Funds
0.46%
New
137
Increased
728
Reduced
705
Closed
107
Calls
$789M
Puts
$461M
Net Calls
+$328M
Net Calls Change
-$39.7M

Top Buyers

1
UBS AM
UBS AM
Illinois
+$1.06B
2
BlackRock
BlackRock
New York
+$592M
3
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
+$560M
4
Viking Global Investors
Viking Global Investors
Connecticut
+$433M
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$208M

Top Sellers

1
Cohen & Steers
Cohen & Steers
New York
-$1.06B
2
Capital Research Global Investors
Capital Research Global Investors
California
-$420M
3
ACM
AKRE Capital Management
Virginia
-$370M
4
Citadel Advisors
Citadel Advisors
Florida
-$330M
5
Royal Bank of Canada
Royal Bank of Canada
Ontario, Canada
-$197M
Name Holding Trade Value Shares
Change 		Shares
Change %
California State Teachers Retirement System (CalSTRS)
76
California State Teachers Retirement System (CalSTRS)
California
$160M +$353K +1,599 +0.2%
Manulife (Manufacturers Life Insurance)
77
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$159M -$28.6M -129,261 -15%
Aberdeen Group
78
Aberdeen Group
United Kingdom
$152M +$5.71M +26,220 +4%
T. Rowe Price Investment Management
79
T. Rowe Price Investment Management
Maryland
$150M +$5.73M +25,926 +4%
Corient Private Wealth
80
Corient Private Wealth
Florida
$143M -$527K -2,388 -0.4%
Mackenzie Financial
81
Mackenzie Financial
Ontario, Canada
$140M +$33.6M +152,154 +32%
Federated Hermes
82
Federated Hermes
Pennsylvania
$138M +$15.3M +69,256 +12%
LIP
83
Liontrust Investment Partners
United Kingdom
$136M -$7.97M -36,062 -6%
Swedbank
84
Swedbank
Sweden
$131M +$3.74M +16,937 +3%
Macquarie Group
85
Macquarie Group
Australia
$131M +$4.33M +19,595 +3%
1832 Asset Management
86
1832 Asset Management
Ontario, Canada
$127M -$91.3M -412,901 -42%
New York State Common Retirement Fund
87
New York State Common Retirement Fund
New York
$126M -$1.11M -5,000 -0.9%
BAMCO Inc
88
BAMCO Inc
New York
$125M -$29.2M -131,909 -19%
Bank of Montreal
89
Bank of Montreal
Ontario, Canada
$125M -$11M -49,702 -8%
Citigroup
90
Citigroup
New York
$120M -$15M -67,697 -11%
DekaBank Deutsche Girozentrale
91
DekaBank Deutsche Girozentrale
Germany
$117M -$2.23M -10,201 -2%
JG
92
Jain Global
New York
$113M +$76.2M +344,862 +208%
Marshall Wace
93
Marshall Wace
United Kingdom
$113M -$40.4M -182,780 -26%
LIMS
94
Lasalle Investment Management Securities
Maryland
$105M +$1.04M +4,704 +1%
Canada Pension Plan Investment Board
95
Canada Pension Plan Investment Board
Ontario, Canada
$104M +$23.6M +106,640 +29%
Adage Capital Partners
96
Adage Capital Partners
Massachusetts
$103M +$31.5M +142,700 +44%
State Board of Administration of Florida Retirement System
97
State Board of Administration of Florida Retirement System
Florida
$101M +$2.22M +10,043 +2%
GLA
98
Great Lakes Advisors
Illinois
$100M -$2.3M -10,427 -2%
Aviva
99
Aviva
United Kingdom
$99.4M -$11.4M -51,539 -10%
BNP Paribas Financial Markets
100
BNP Paribas Financial Markets
France
$98.4M -$68.7M -310,701 -41%
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