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American Tower

1,748 hedge funds and large institutions have $74.4B invested in American Tower in 2026 Q1 according to their latest regulatory filings, with 156 funds opening new positions, 718 increasing their positions, 651 reducing their positions, and 147 closing their positions.

New
Increased
Maintained
Reduced
Closed

16% more funds holding in top 10

Funds holding in top 10: 1922 (+3)

10% more repeat investments, than reductions

Existing positions increased: 718 | Existing positions reduced: 651

6% more first-time investments, than exits

New positions opened: 156 | Existing positions closed: 147

6% less call options, than puts

Call options by funds: $323M | Put options by funds: $342M

1% less funds holding

Funds holding: 1,7741,748 (-26)

9.12% less ownership

Funds ownership: 101.69%92.57% (-9.1%)

35% less capital invested

Capital invested by funds: $115B → $74.4B (-$40.3B)

Holders
1,748
Holders Change
-26
Holders Change %
-1.47%
% of All Funds
21.51%
Holding in Top 10
22
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+15.79%
% of All Funds
0.27%
New
156
Increased
718
Reduced
651
Closed
147
Calls
$323M
Puts
$342M
Net Calls
-$19.2M
Net Calls Change
-$118M
Name Holding Trade Value Shares
Change
Change in
Stake
SEI Investments
76
SEI Investments
Pennsylvania
$150M +$11.5M +63,924 +8%
SP
77
Sarasin & Partners
United Kingdom
$149M -$6.7M -37,235 -4%
Aberdeen Group
78
Aberdeen Group
United Kingdom
$147M +$4.97M +27,625 +3%
LPL Financial
79
LPL Financial
California
$147M +$56.6M +314,393 +59%
Man Group
80
Man Group
United Kingdom
$143M -$53M -294,624 -26%
US Bancorp
81
US Bancorp
Minnesota
$141M -$10.9M -60,426 -7%
VAM
82
Vanguard Asset Management
$140M +$146M +812,950 New
SAM
83
Storebrand Asset Management
Norway
$138M -$3.46M -19,245 -2%
Voloridge Investment Management
84
Voloridge Investment Management
Florida
$137M +$40.4M +224,536 +40%
BNP Paribas Asset Management
85
BNP Paribas Asset Management
France
$135M -$61.2M -339,967 -30%
Allianz Asset Management
86
Allianz Asset Management
Germany
$131M -$33.6M -186,560 -20%
Marshall Wace
87
Marshall Wace
United Kingdom
$130M +$79.1M +439,843 +141%
Wellington Management Group
88
Wellington Management Group
Massachusetts
$129M +$2.85M +15,848 +2%
Acadian Asset Management
89
Acadian Asset Management
Massachusetts
$127M +$8.16M +45,344 +7%
California State Teachers Retirement System (CalSTRS)
90
California State Teachers Retirement System (CalSTRS)
California
$118M -$3M -16,680 -2%
AllianceBernstein
91
AllianceBernstein
Tennessee
$115M +$18.2M +100,984 +18%
LIMS
92
Lasalle Investment Management Securities
Maryland
$112M +$21.7M +120,641 +23%
Citigroup
93
Citigroup
New York
$109M +$3.33M +18,522 +3%
MF
94
Milford Funds
$107M -$6.7M -37,259 -6%
AQR Capital Management
95
AQR Capital Management
Connecticut
$98.4M -$159M -884,387 -61%
Corient Private Wealth
96
Corient Private Wealth
Florida
$94M -$111M -618,105 -53%
DekaBank Deutsche Girozentrale
97
DekaBank Deutsche Girozentrale
Germany
$93.7M
New York State Common Retirement Fund
98
New York State Common Retirement Fund
New York
$91.4M +$108K +600 +0.1%
Aviva
99
Aviva
United Kingdom
$89.1M +$2.17M +12,072 +2%
Mitsubishi UFJ Trust & Banking
100
Mitsubishi UFJ Trust & Banking
Japan
$88.6M -$4.91M -27,311 -5%

AMT Hedge Fund Activity: Q1 2026 in Review

1,748 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in American Tower (AMT) for Q1 2026, worth a combined $74.4B — down 35% from $115B a quarter earlier.

Buyers outnumbered sellers: 156 funds opened new AMT positions and 147 closed out — a net gain of 9 holders — while 718 added to existing stakes and 651 trimmed.

The largest buyer was Federated Hermes, adding an estimated $389M. The largest seller was J. Stern & Co, cutting an estimated $6.74B.

  • 1,748 institutional investors held American Tower (AMT) as of Q1 2026, down from 1,774 in Q4 2025.
  • Funds reported $74.4B of American Tower stock for Q1 2026, down 35% quarter-over-quarter.
  • 156 funds opened new American Tower positions in Q1 2026 and 147 closed out, a net change of +9 holders.
  • The largest American Tower buyer in Q1 2026 was Federated Hermes, an estimated $389M added.
  • The largest American Tower seller in Q1 2026 was J. Stern & Co, an estimated $6.74B sold.

Based on aggregated 13F filings for Q1 2026.