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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
RG
101
Rathbones Group
United Kingdom
$88.4M +$6.87M +38,193 +8%
Prudential Financial
102
Prudential Financial
New Jersey
$87.7M +$35.7M +198,335 +64%
DWA
103
Douglass Winthrop Advisors
New York
$86.8M -$1.07M -5,953 -1%
LIP
104
Liontrust Investment Partners
United Kingdom
$84.6M -$8.12M -45,127 -8%
Ensign Peak Advisors
105
Ensign Peak Advisors
Utah
$83.7M -$39.9M -221,671 -31%
Bank of Montreal
106
Bank of Montreal
Ontario, Canada
$82.7M -$14.5M -80,568 -14%
Vontobel Holding
107
Vontobel Holding
Switzerland
$82.6M -$75.1M -417,612 -47%
William Blair & Company
108
William Blair & Company
Illinois
$81.1M -$37.4M -208,116 -31%
VIA
109
Vanguard Investments Australia
Australia
$81M +$84.5M +469,600 New
GLA
110
Great Lakes Advisors
Illinois
$77.6M +$3.34M +18,560 +4%
Mariner
111
Mariner
Kansas
$77.3M -$4.49M -24,972 -5%
MSRPS
112
Maryland State Retirement & Pension System
Maryland
$77M -$3.37M -18,705 -4%
BTCPP
113
Border to Coast Pensions Partnership
United Kingdom
$75.6M +$6.7M +37,241 +9%
DLA
114
Douglas Lane & Associates
New York
$75.5M +$891K +4,953 +1%
AP
115
Antipodes Partners
Australia
$75.4M +$5.36M +29,789 +7%
Balyasny Asset Management
116
Balyasny Asset Management
Illinois
$75.1M +$28.3M +157,050 +56%
National Bank of Canada
117
National Bank of Canada
Quebec, Canada
$72.5M -$37.7M -209,513 -33%
Adage Capital Partners
118
Adage Capital Partners
Massachusetts
$72.4M -$576K -3,200 -0.8%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
119
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$72.4M -$19.7M -109,255 -21%
AC
120
Avenir Corporation
Virginia
$71.7M -$425K -2,360 -0.6%
State Board of Administration of Florida Retirement System
121
State Board of Administration of Florida Retirement System
Florida
$70.9M -$84.7K -471 -0.1%
LF
122
Lansforsakringar Fondforvaltning
Sweden
$70.3M -$173K -964 -0.2%
TG
123
TCW Group
California
$70M +$15.5M +86,190 +27%
Universal-Beteiligungs- und Servicegesellschaft
124
Universal-Beteiligungs- und Servicegesellschaft
Germany
$69.9M -$11.2M -62,071 -13%
PNC Financial Services Group
125
PNC Financial Services Group
Pennsylvania
$69.8M +$2.15M +11,946 +3%

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.