American Tower
AMT
1,794 hedge funds and large institutions have $82.6B invested in American Tower in 2025 Q3 according to their latest regulatory filings, with 131 funds opening new positions, 644 increasing their positions, 754 reducing their positions, and 156 closing their positions.
94% more call options, than puts
Call options by funds: $641M | Put options by funds: $330M
1.66% less ownership
Funds ownership: 93.33% → 91.67% (-1.7%)
3% less funds holding
Funds holding: 1,846 → 1,794 (-52)
15% less capital invested
Capital invested by funds: $96.6B → $82.6B (-$14.1B)
15% less repeat investments, than reductions
Existing positions increased: 644 | Existing positions reduced: 754
16% less first-time investments, than exits
New positions opened: 131 | Existing positions closed: 156
35% less funds holding in top 10
Funds holding in top 10: 34 → 22 (-12)
Top Buyers
| 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
AMT Hedge Fund Activity: Q3 2025 in Review
1,794 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in American Tower (AMT) for Q3 2025, worth a combined $82.6B — down 15% from $96.6B a quarter earlier.
Sellers outnumbered buyers: 156 funds closed out of AMT and 131 opened new positions — a net loss of 25 holders — while 754 trimmed existing stakes and 644 added.
The largest buyer was Lazard Asset Management, adding an estimated $886M. The largest seller was Wellington Management Group, cutting an estimated $1.04B.
- 1,794 institutional investors held American Tower (AMT) as of Q3 2025, down from 1,846 in Q2 2025.
- Funds reported $82.6B of American Tower stock for Q3 2025, down 15% quarter-over-quarter.
- 131 funds opened new American Tower positions in Q3 2025 and 156 closed out, a net change of -25 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.