Mariner’s American Tower AMT Stock Holding History
Bought
Maintained
Sold
| Quarter | Market Value | Status | Shares |
Change in Stake | Trade Value | Portfolio Weight | Portfolio Position | |
|---|---|---|---|---|---|---|---|---|
|
2026
Q2 | $86.3M | Buy |
527,605
+79,840
| +18% | +$14.4M | 0.09% | 176 |
|
|
2026
Q1 | $77.3M | Sell |
447,765
-24,972
| -5% | -$4.49M | 0.09% | 184 |
|
|
2025
Q4 | $83M | Sell |
472,737
-733
| -0.2% | -$133K | 0.1% | 165 |
|
|
2025
Q3 | $91.1M | Buy |
473,470
+73,928
| +19% | +$15.4M | 0.12% | 147 |
|
|
2025
Q2 | $88.3M | Buy |
399,542
+28,264
| +8% | +$6.1M | 0.13% | 147 |
|
|
2025
Q1 | $80.8M | Buy |
371,278
+8,190
| +2% | +$1.61M | 0.13% | 141 |
|
|
2024
Q4 | $66.6M | Buy |
363,088
+85,693
| +31% | +$17.8M | 0.11% | 160 |
|
|
2024
Q3 | $64.5M | Sell |
277,395
-1,601
| -0.6% | -$355K | 0.11% | 165 |
|
|
2024
Q2 | $54.2M | Sell |
278,996
-1,708
| -0.6% | -$319K | 0.11% | 181 |
|
|
2024
Q1 | $55.5M | Buy |
280,704
+19,957
| +8% | +$3.98M | 0.11% | 175 |
|
|
2023
Q4 | $56.3M | Sell |
260,747
-14,303
| -5% | -$2.7M | 0.13% | 149 |
|
|
2023
Q3 | $45.2M | Buy |
275,050
+5,005
| +2% | +$914K | 0.12% | 165 |
|
|
2023
Q2 | $52.4M | Sell |
270,045
-2,275
| -0.8% | -$445K | 0.14% | 141 |
|
|
2023
Q1 | $55.6M | Buy |
272,320
+17,563
| +7% | +$3.68M | 0.16% | 129 |
|
|
2022
Q4 | $54M | Sell |
254,757
-11,184
| -4% | -$2.33M | 0.17% | 129 |
|
|
2022
Q3 | $57.1M | Buy |
265,941
+50,385
| +23% | +$12.9M | 0.23% | 102 |
|
|
2022
Q2 | $55.1M | Buy |
215,556
+13,760
| +7% | +$3.45M | 0.23% | 107 |
|
|
2022
Q1 | $50.7M | Buy |
201,796
+28,484
| +16% | +$6.95M | 0.19% | 120 |
|
|
2021
Q4 | $50.7M | Buy |
173,312
+140,986
| +436% | +$38.5M | 0.21% | 115 |
|
|
2021
Q3 | $8.58M | Buy |
32,326
+1,750
| +6% | +$499K | 0.04% | 287 |
|
|
2021
Q2 | $8.26M | Buy |
30,576
+3,338
| +12% | +$851K | 0.05% | 257 |
|
|
2021
Q1 | $6.51M | Buy |
27,238
+2,822
| +12% | +$628K | 0.05% | 272 |
|
|
2020
Q4 | $5.48M | Buy |
24,416
+3,720
| +18% | +$865K | 0.04% | 280 |
|
|
2020
Q3 | $5M | Buy |
20,696
+973
| +5% | +$247K | 0.05% | 262 |
|
|
2020
Q2 | $5.1M | Buy |
19,723
+1,954
| +11% | +$483K | 0.05% | 255 |
|
|
2020
Q1 | $3.87M | Buy |
+17,769
| New | +$4.14M | 0.05% | 272 |
|
|
2019
Q3 | – | Sell |
-10,468
| Closed | -$2.14M | – | 696 |
|
|
2019
Q2 | $2.14M | Buy |
10,468
+807
| +8% | +$162K | 0.03% | 374 |
|
|
2019
Q1 | $1.9M | Buy |
9,661
+2,761
| +40% | +$484K | 0.03% | 385 |
|
|
2018
Q4 | $1.08M | Sell |
6,900
-2,968
| -30% | -$464K | 0.02% | 417 |
|
|
2018
Q3 | $1.43M | Buy |
9,868
+38
| +0.4% | +$5.57K | 0.04% | 337 |
|
|
2018
Q2 | $1.42M | Buy |
9,830
+7,706
| +363% | +$1.07M | 0.04% | 329 |
|
|
2018
Q1 | $309K | Buy |
+2,124
| New | +$299K | 0.01% | 520 |
|
|
2016
Q4 | – | Sell |
-2,431
| Closed | -$276K | – | 574 |
|
|
2016
Q3 | $276K | Buy |
+2,431
| New | +$278K | 0.01% | 493 |
|
Other funds holding AMT
Mariner's AMT Position: Q2 2026 in Review
Mariner increased its American Tower (AMT) stake by 18% in Q2 2026, buying an estimated $14.4M and bringing the position to 527,605 shares worth $86.3M. The position accounts for 0.09% of the portfolio, ranked #176.
Mariner first reported a position in AMT in Q3 2016 and has held it in 33 quarters since. The position peaked at $91.1M in Q3 2025. 1,749 funds tracked by Wall St. Rank hold AMT as of Q2 2026.
- Mariner held 527,605 shares of American Tower worth $86.3M as of Q2 2026.
- Mariner bought 79,840 American Tower shares in Q2 2026, an estimated $14.4M.
- American Tower made up 0.09% of Mariner's portfolio in Q2 2026, its #176 holding.
- Mariner first reported a position in American Tower in Q3 2016 and has held it in 33 quarters since.
- Mariner's American Tower position peaked at $91.1M in Q3 2025.
- 1,749 funds tracked by Wall St. Rank held American Tower as of Q2 2026.
Based on Mariner's 13F filing for Q2 2026, filed 13 Aug 2026.