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American Tower

1,839 hedge funds and large institutions have $95.1B invested in American Tower in 2025 Q1 according to their latest regulatory filings, with 195 funds opening new positions, 694 increasing their positions, 734 reducing their positions, and 123 closing their positions.

New
Increased
Maintained
Reduced
Closed

102% more call options, than puts

Call options by funds: $729M | Put options by funds: $361M

59% more first-time investments, than exits

New positions opened: 195 | Existing positions closed: 123

36% more funds holding in top 10

Funds holding in top 10: 2838 (+10)

19% more capital invested

Capital invested by funds: $79.7B → $95.1B (+$15.4B)

3% more funds holding

Funds holding: 1,7931,839 (+46)

0.66% more ownership

Funds ownership: 92.87%93.54% (+0.66%)

5% less repeat investments, than reductions

Existing positions increased: 694 | Existing positions reduced: 734

Holders
1,839
Holders Change
+46
Holders Change %
+2.57%
% of All Funds
24.66%
Holding in Top 10
38
Holding in Top 10 Change
+10
Holding in Top 10 Change %
+35.71%
% of All Funds
0.51%
New
195
Increased
694
Reduced
734
Closed
123
Calls
$729M
Puts
$361M
Net Calls
+$367M
Net Calls Change
+$379M
Name Holding Trade Value Shares
Change
Change in
Stake
Capital Fund Management (CFM)
1851
Capital Fund Management (CFM)
France
-$7.42M -37,838 Closed
MCM
1852
Makena Capital Management
California
-$6.83M -37,222 Closed
YIH
1853
Y-Intercept (HK)
Hong Kong
-$6.67M -36,362 Closed
CSS
1854
Cubist Systematic Strategies
Connecticut
-$6.55M -33,399 Closed
Loomis, Sayles & Company
1855
Loomis, Sayles & Company
Massachusetts
-$5.82M -31,700 Closed
Capstone Investment Advisors
1856
Capstone Investment Advisors
New York
-$5.52M -28,124 Closed
WAM
1857
Wolverine Asset Management
Illinois
-$5.06M -25,790 Closed
AIM
1858
Achmea Investment Management
Netherlands
-$4.56M -24,843 Closed
RCA
1859
Riverview Capital Advisers
Massachusetts
-$3.95M -21,528 Closed
BL
1860
BCWM LLC
Kansas
-$3.35M -18,267 Closed
QT
1861
Quantbot Technologies
New York
-$3.33M -18,182 Closed
RAM
1862
Readystate Asset Management
Illinois
-$3.27M -17,854 Closed
Two Sigma Advisers
1863
Two Sigma Advisers
New York
-$2.99M -16,300 Closed
CCM
1864
Cox Capital Management
Massachusetts
-$2.66M -14,490 Closed
SHGA
1865
Sand Hill Global Advisors
California
-$2.47M -13,484 Closed
BHCM
1866
Brevan Howard Capital Management
Jersey
-$2.54M -12,966 Closed
A
1867
AustralianSuper
Australia
-$2.34M -12,747 Closed
FGP
1868
Freestone Grove Partners
California
-$2.32M -12,644 Closed
WAM
1869
Weiss Asset Management
Massachusetts
-$1.9M -10,359 Closed
LOAMS
1870
Lombard Odier Asset Management (Switzerland)
Switzerland
-$1.87M -10,210 Closed
LAM
1871
LECAP Asset Management
United Kingdom
-$1.85M -10,108 Closed
ET
1872
Entropy Technologies
New York
-$1.82M -9,907 Closed
CIG
1873
Consolidated Investment Group
Colorado
-$1.82M -9,900 Closed
VF
1874
Virtu Financial
New York
-$1.77M -9,633 Closed
HF
1875
HRT Financial
New York
-$1.64M -8,946 Closed

AMT Hedge Fund Activity: Q1 2025 in Review

1,839 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in American Tower (AMT) for Q1 2025, worth a combined $95.1B — up 19% from $79.7B a quarter earlier.

Buyers outnumbered sellers: 195 funds opened new AMT positions and 123 closed out — a net gain of 72 holders — while 694 added to existing stakes and 734 trimmed.

The largest buyer was JP Morgan Chase, adding an estimated $698M. The largest seller was UBS AM, cutting an estimated $697M.

  • 1,839 institutional investors held American Tower (AMT) as of Q1 2025, up from 1,793 in Q4 2024.
  • Funds reported $95.1B of American Tower stock for Q1 2025, up 19% quarter-over-quarter.
  • 195 funds opened new American Tower positions in Q1 2025 and 123 closed out, a net change of +72 holders.
  • The largest American Tower buyer in Q1 2025 was JP Morgan Chase, an estimated $698M added.
  • The largest American Tower seller in Q1 2025 was UBS AM, an estimated $697M sold.

Based on aggregated 13F filings for Q1 2025.