American Tower
1,798 hedge funds and large institutions have $82.5B invested in American Tower in 2025 Q3 according to their latest regulatory filings, with 132 funds opening new positions, 646 increasing their positions, 752 reducing their positions, and 156 closing their positions.
94% more call options, than puts
Call options by funds: $641M | Put options by funds: $330M
1.53% less ownership
Funds ownership: 93.2% → 91.68% (-1.5%)
3% less funds holding
Funds holding: 1,849 → 1,798 (-51)
14% less repeat investments, than reductions
Existing positions increased: 646 | Existing positions reduced: 752
14% less capital invested
Capital invested by funds: $96.4B → $82.5B (-$13.9B)
15% less first-time investments, than exits
New positions opened: 132 | Existing positions closed: 156
35% less funds holding in top 10
Funds holding in top 10: 34 → 22 (-12)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Lazard Asset Management
New York
|
+$886M |
| 2 |
JP Morgan Chase
New York
|
+$565M |
| 3 |
Barrow, Hanley, Mewhinney & Strauss
Dallas,
Texas
|
+$331M |
| 4 |
Morgan Stanley
New York
|
+$174M |
| 5 |
Barclays
London,
United Kingdom
|
+$155M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Wellington Management Group
Boston,
Massachusetts
|
-$1.04B |
| 2 |
Viking Global Investors
Stamford,
Connecticut
|
-$618M |
| 3 |
Janus Henderson Group
London,
|
-$378M |
| 4 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$298M |
| 5 |
Fidelity Investments
Boston,
Massachusetts
|
-$280M |
AMT Hedge Fund Activity: Q3 2025 in Review
1,798 of the 7,638 institutional investors tracked by Wall St. Rank reported a position in American Tower (AMT) for Q3 2025, worth a combined $82.5B — down 14% from $96.4B a quarter earlier.
Sellers outnumbered buyers: 156 funds closed out of AMT and 132 opened new positions — a net loss of 24 holders — while 752 trimmed existing stakes and 646 added.
The largest buyer was Lazard Asset Management, adding an estimated $886M. The largest seller was Wellington Management Group, cutting an estimated $1.04B.
- 1,798 institutional investors held American Tower (AMT) as of Q3 2025, down from 1,849 in Q2 2025.
- Funds reported $82.5B of American Tower stock for Q3 2025, down 14% quarter-over-quarter.
- 132 funds opened new American Tower positions in Q3 2025 and 156 closed out, a net change of -24 holders.
- The largest American Tower buyer in Q3 2025 was Lazard Asset Management, an estimated $886M added.
- The largest American Tower seller in Q3 2025 was Wellington Management Group, an estimated $1.04B sold.
Based on aggregated 13F filings for Q3 2025.