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American Tower

1,846 hedge funds and large institutions have $96.6B invested in American Tower in 2025 Q2 according to their latest regulatory filings, with 139 funds opening new positions, 737 increasing their positions, 717 reducing their positions, and 110 closing their positions.

New
Increased
Maintained
Reduced
Closed

71% more call options, than puts

Call options by funds: $789M | Put options by funds: $461M

26% more first-time investments, than exits

New positions opened: 139 | Existing positions closed: 110

3% more repeat investments, than reductions

Existing positions increased: 737 | Existing positions reduced: 717

2% more capital invested

Capital invested by funds: $95.1B → $96.6B (+$1.53B)

0% more funds holding

Funds holding: 1,8391,846 (+7)

0.2% less ownership

Funds ownership: 93.54%93.33% (-0.2%)

11% less funds holding in top 10

Funds holding in top 10: 3834 (-4)

Holders
1,846
Holders Change
+7
Holders Change %
+0.38%
% of All Funds
24.31%
Holding in Top 10
34
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-10.53%
% of All Funds
0.45%
New
139
Increased
737
Reduced
717
Closed
110
Calls
$789M
Puts
$461M
Net Calls
+$328M
Net Calls Change
-$39.7M
Name Holding Trade Value Shares
Change
Change in
Stake
William Blair & Company
76
William Blair & Company
Illinois
$171M -$867K -4,015 -0.5%
California State Teachers Retirement System (CalSTRS)
77
California State Teachers Retirement System (CalSTRS)
California
$160M +$345K +1,599 +0.2%
Manulife (Manufacturers Life Insurance)
78
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$159M -$27.9M -129,261 -15%
SAM
79
Storebrand Asset Management
Norway
$154M +$8.8M +40,755 +6%
Aberdeen Group
80
Aberdeen Group
United Kingdom
$152M +$5.66M +26,220 +4%
T. Rowe Price Investment Management
81
T. Rowe Price Investment Management
Maryland
$150M +$5.6M +25,926 +4%
Corient Private Wealth
82
Corient Private Wealth
Florida
$143M -$750K -3,474 -0.5%
Mackenzie Financial
83
Mackenzie Financial
Ontario, Canada
$140M +$32.8M +152,154 +32%
Federated Hermes
84
Federated Hermes
Pennsylvania
$138M +$15M +69,256 +12%
LIP
85
Liontrust Investment Partners
United Kingdom
$136M -$7.79M -36,062 -6%
Swedbank
86
Swedbank
Sweden
$131M +$3.66M +16,937 +3%
Macquarie Group
87
Macquarie Group
Australia
$131M +$4.23M +19,595 +3%
1832 Asset Management
88
1832 Asset Management
Ontario, Canada
$127M -$89.1M -412,901 -42%
New York State Common Retirement Fund
89
New York State Common Retirement Fund
New York
$126M -$1.08M -5,000 -0.9%
BAMCO Inc
90
BAMCO Inc
New York
$125M -$28.5M -131,909 -19%
Bank of Montreal
91
Bank of Montreal
Ontario, Canada
$125M -$10.7M -49,702 -8%
Citigroup
92
Citigroup
New York
$120M -$14.6M -67,697 -11%
DekaBank Deutsche Girozentrale
93
DekaBank Deutsche Girozentrale
Germany
$117M -$2.2M -10,201 -2%
JG
94
Jain Global
New York
$113M +$74.5M +344,862 +208%
Marshall Wace
95
Marshall Wace
United Kingdom
$113M -$39.5M -182,780 -26%
LIMS
96
Lasalle Investment Management Securities
Maryland
$105M +$1.02M +4,704 +1%
Canada Pension Plan Investment Board
97
Canada Pension Plan Investment Board
Ontario, Canada
$104M +$23M +106,640 +29%
Adage Capital Partners
98
Adage Capital Partners
Massachusetts
$103M +$30.8M +142,700 +44%
State Board of Administration of Florida Retirement System
99
State Board of Administration of Florida Retirement System
Florida
$101M +$2.17M +10,043 +2%
GLA
100
Great Lakes Advisors
Illinois
$100M -$2.25M -10,427 -2%

AMT Hedge Fund Activity: Q2 2025 in Review

1,846 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in American Tower (AMT) for Q2 2025, worth a combined $96.6B — up 1.6% from $95.1B a quarter earlier.

Buyers outnumbered sellers: 139 funds opened new AMT positions and 110 closed out — a net gain of 29 holders — while 737 added to existing stakes and 717 trimmed.

The largest buyer was UBS AM, adding an estimated $1.03B. The largest seller was Cohen & Steers, cutting an estimated $1.04B.

  • 1,846 institutional investors held American Tower (AMT) as of Q2 2025, up from 1,839 in Q1 2025.
  • Funds reported $96.6B of American Tower stock for Q2 2025, up 1.6% quarter-over-quarter.
  • 139 funds opened new American Tower positions in Q2 2025 and 110 closed out, a net change of +29 holders.
  • The largest American Tower buyer in Q2 2025 was UBS AM, an estimated $1.03B added.
  • The largest American Tower seller in Q2 2025 was Cohen & Steers, an estimated $1.04B sold.

Based on aggregated 13F filings for Q2 2025.