Cornerstone Advisors’s American Tower AMT Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2025
Q4 | – | Sell |
-15,700
| Closed | -$3.02M | – | 165 |
|
|
2025
Q3 | $3.02M | Sell |
15,700
-1,300
| -8% | -$271K | 0.1% | 154 |
|
|
2025
Q2 | $3.76M | Sell |
17,000
-2,400
| -12% | -$518K | 0.13% | 133 |
|
|
2025
Q1 | $4.22M | Buy |
19,400
+9,100
| +88% | +$1.79M | 0.18% | 128 |
|
|
2024
Q4 | $1.89M | Hold |
10,300
| – | – | 0.08% | 180 |
|
|
2024
Q3 | $2.4M | Buy |
10,300
+3,500
| +51% | +$776K | 0.09% | 173 |
|
|
2024
Q2 | $1.32M | Sell |
6,800
-3,400
| -33% | -$635K | 0.05% | 221 |
|
|
2024
Q1 | $2.02M | Hold |
10,200
| – | – | 0.08% | 210 |
|
|
2023
Q4 | $2.2M | Sell |
10,200
-2,000
| -16% | -$378K | 0.1% | 200 |
|
|
2023
Q3 | $2.01M | Buy |
+12,200
| New | +$2.23M | 0.09% | 199 |
|
|
2023
Q1 | – | Sell |
-60,000
| Closed | -$12.7M | – | 178 |
|
|
2022
Q4 | $12.7M | Hold |
60,000
| – | – | 0.63% | 49 |
|
|
2022
Q3 | $12.9M | Buy |
60,000
+6,000
| +11% | +$1.54M | 0.63% | 46 |
|
|
2022
Q2 | $13.8M | Buy |
54,000
+15,000
| +38% | +$3.76M | 0.72% | 41 |
|
|
2022
Q1 | $9.8M | Hold |
39,000
| – | – | 0.58% | 48 |
|
|
2021
Q4 | $11.4M | Hold |
39,000
| – | – | 0.62% | 47 |
|
|
2021
Q3 | $10.4M | Hold |
39,000
| – | – | 0.6% | 48 |
|
|
2021
Q2 | $10.5M | Buy |
+39,000
| New | +$9.94M | 0.62% | 44 |
|
|
2021
Q1 | – | Sell |
-23,000
| Closed | -$5.16M | – | 180 |
|
|
2020
Q4 | $5.16M | Hold |
23,000
| – | – | 0.45% | 52 |
|
|
2020
Q3 | $5.56M | Hold |
23,000
| – | – | 0.5% | 48 |
|
|
2020
Q2 | $5.95M | Sell |
23,000
-6,800
| -23% | -$1.68M | 0.55% | 42 |
|
|
2020
Q1 | $6.49M | Hold |
29,800
| – | – | 0.72% | 37 |
|
|
2019
Q4 | $6.85M | Buy |
+29,800
| New | +$6.49M | 0.56% | 48 |
|
|
2018
Q3 | – | Sell |
-17,000
| Closed | -$2.45M | – | 222 |
|
|
2018
Q2 | $2.45M | Hold |
17,000
| – | – | 0.3% | 96 |
|
|
2018
Q1 | $2.47M | Sell |
17,000
-9,000
| -35% | -$1.27M | 0.29% | 102 |
|
|
2017
Q4 | $3.71M | Hold |
26,000
| – | – | 0.42% | 70 |
|
|
2017
Q3 | $3.55M | Buy |
26,000
+13,000
| +100% | +$1.81M | 0.41% | 75 |
|
|
2017
Q2 | $1.72M | Buy |
13,000
+5,000
| +63% | +$640K | 0.32% | 90 |
|
|
2017
Q1 | $972K | Hold |
8,000
| – | – | 0.18% | 129 |
|
|
2016
Q4 | $845K | Hold |
8,000
| – | – | 0.16% | 144 |
|
|
2016
Q3 | $907K | Hold |
8,000
| – | – | 0.23% | 114 |
|
|
2016
Q2 | $909K | Hold |
8,000
| – | – | 0.23% | 117 |
|
|
2016
Q1 | $819K | Hold |
8,000
| – | – | 0.2% | 133 |
|
|
2015
Q4 | $776K | Buy |
8,000
+4,000
| +100% | +$390K | 0.18% | 141 |
|
|
2015
Q3 | $352K | Buy |
+4,000
| New | +$377K | 0.08% | 187 |
|
Other funds holding AMT
JSC
Cornerstone Advisors's AMT Position: Q4 2025 in Review
Cornerstone Advisors sold out of American Tower (AMT) in Q4 2025, closing a stake of 15,700 shares — an estimated $3.02M sold.
Cornerstone Advisors first reported a position in AMT in Q3 2015 and held it in 33 quarters. The position peaked at $13.8M in Q2 2022. 1,776 funds tracked by Wall St. Rank hold AMT as of Q4 2025.
- Cornerstone Advisors reported no remaining American Tower position as of Q4 2025 after selling out during the quarter.
- Cornerstone Advisors sold 15,700 American Tower shares in Q4 2025, an estimated $3.02M.
- Cornerstone Advisors first reported a position in American Tower in Q3 2015 and held it in 33 quarters.
- Cornerstone Advisors's American Tower position peaked at $13.8M in Q2 2022.
- 1,776 funds tracked by Wall St. Rank held American Tower as of Q4 2025.
Based on Cornerstone Advisors's 13F filing for Q4 2025, filed 13 Feb 2026.