Adage Capital Partners’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 | $79.4M | Buy |
485,205
+65,800
| +16% | +$11.8M | 0.11% | 183 |
|
|
2026
Q1 | $72.4M | Sell |
419,405
-3,200
| -0.8% | -$576K | 0.11% | 183 |
|
|
2025
Q4 | $74.2M | Sell |
422,605
-3,200
| -0.8% | -$582K | 0.11% | 175 |
|
|
2025
Q3 | $81.9M | Sell |
425,805
-38,000
| -8% | -$7.92M | 0.13% | 158 |
|
|
2025
Q2 | $103M | Buy |
463,805
+142,700
| +44% | +$30.8M | 0.17% | 115 |
|
|
2025
Q1 | $69.9M | Buy |
321,105
+124,500
| +63% | +$24.4M | 0.13% | 154 |
|
|
2024
Q4 | $36.1M | Sell |
196,605
-8,700
| -4% | -$1.8M | 0.06% | 281 |
|
|
2024
Q3 | $47.7M | Sell |
205,305
-2,600
| -1% | -$576K | 0.08% | 241 |
|
|
2024
Q2 | $40.4M | Sell |
207,905
-9,300
| -4% | -$1.74M | 0.07% | 262 |
|
|
2024
Q1 | $42.9M | Sell |
217,205
-75,600
| -26% | -$15.1M | 0.08% | 261 |
|
|
2023
Q4 | $63.2M | Sell |
292,805
-170,700
| -37% | -$32.3M | 0.13% | 166 |
|
|
2023
Q3 | $76.2M | Sell |
463,505
-800
| -0.2% | -$146K | 0.17% | 134 |
|
|
2023
Q2 | $90M | Sell |
464,305
-1,900
| -0.4% | -$371K | 0.2% | 127 |
|
|
2023
Q1 | $95.3M | Sell |
466,205
-12,400
| -3% | -$2.6M | 0.21% | 109 |
|
|
2022
Q4 | $101M | Buy |
478,605
+59,300
| +14% | +$12.3M | 0.24% | 105 |
|
|
2022
Q3 | $90M | Sell |
419,305
-64,700
| -13% | -$16.6M | 0.22% | 107 |
|
|
2022
Q2 | $124M | Buy |
484,005
+8,400
| +2% | +$2.11M | 0.28% | 69 |
|
|
2022
Q1 | $119M | Sell |
475,605
-9,700
| -2% | -$2.37M | 0.23% | 94 |
|
|
2021
Q4 | $142M | Sell |
485,305
-3,000
| -0.6% | -$820K | 0.26% | 82 |
|
|
2021
Q3 | $130M | Sell |
488,305
-4,639
| -0.9% | -$1.32M | 0.26% | 83 |
|
|
2021
Q2 | $133M | Buy |
492,944
+3,100
| +0.6% | +$790K | 0.26% | 80 |
|
|
2021
Q1 | $117M | Buy |
489,844
+7,400
| +2% | +$1.65M | 0.24% | 88 |
|
|
2020
Q4 | $108M | Sell |
482,444
-14,200
| -3% | -$3.3M | 0.24% | 93 |
|
|
2020
Q3 | $120M | Sell |
496,644
-12,100
| -2% | -$3.07M | 0.3% | 68 |
|
|
2020
Q2 | $132M | Buy |
508,744
+700
| +0.1% | +$173K | 0.34% | 60 |
|
|
2020
Q1 | $111M | Buy |
508,044
+114,678
| +29% | +$26.7M | 0.33% | 75 |
|
|
2019
Q4 | $90.4M | Sell |
393,366
-19,700
| -5% | -$4.29M | 0.22% | 119 |
|
|
2019
Q3 | $91.3M | Buy |
413,066
+2,149
| +0.5% | +$469K | 0.22% | 116 |
|
|
2019
Q2 | $84M | Buy |
410,917
+193,400
| +89% | +$38.9M | 0.21% | 122 |
|
|
2019
Q1 | $42.9M | Buy |
217,517
+31,200
| +17% | +$5.47M | 0.11% | 226 |
|
|
2018
Q4 | $29.5M | Sell |
186,317
-186,700
| -50% | -$29.2M | 0.08% | 265 |
|
|
2018
Q3 | $54.2M | Buy |
373,017
+146,754
| +65% | +$21.5M | 0.12% | 205 |
|
|
2018
Q2 | $32.6M | Sell |
226,263
-366,600
| -62% | -$50.9M | 0.07% | 290 |
|
|
2018
Q1 | $86.2M | Sell |
592,863
-14,200
| -2% | -$2M | 0.2% | 137 |
|
|
2017
Q4 | $86.6M | Sell |
607,063
-180,300
| -23% | -$25.7M | 0.2% | 131 |
|
|
2017
Q3 | $108M | Sell |
787,363
-75,200
| -9% | -$10.5M | 0.26% | 96 |
|
|
2017
Q2 | $114M | Sell |
862,563
-354,300
| -29% | -$45.4M | 0.28% | 93 |
|
|
2017
Q1 | $148M | Buy |
1,216,863
+608,950
| +100% | +$67M | 0.37% | 65 |
|
|
2016
Q4 | $64.2M | Sell |
607,913
-13,400
| -2% | -$1.46M | 0.18% | 157 |
|
|
2016
Q3 | $70.4M | Sell |
621,313
-14,900
| -2% | -$1.7M | 0.19% | 138 |
|
|
2016
Q2 | $72.3M | Sell |
636,213
-224,600
| -26% | -$23.9M | 0.2% | 148 |
|
|
2016
Q1 | $88.1M | Buy |
860,813
+228,211
| +36% | +$21.3M | 0.24% | 119 |
|
|
2015
Q4 | $61.3M | Sell |
632,602
-5,405
| -0.8% | -$527K | 0.16% | 169 |
|
|
2015
Q3 | $56.1M | Sell |
638,007
-26,949
| -4% | -$2.54M | 0.16% | 176 |
|
|
2015
Q2 | $62M | Buy |
664,956
+100,000
| +18% | +$9.46M | 0.15% | 183 |
|
|
2015
Q1 | $53.2M | Sell |
564,956
-15,000
| -3% | -$1.46M | 0.13% | 217 |
|
|
2014
Q4 | $57.3M | Sell |
579,956
-10,600
| -2% | -$1.04M | 0.14% | 196 |
|
|
2014
Q3 | $55.3M | Sell |
590,556
-8,800
| -1% | -$837K | 0.14% | 197 |
|
|
2014
Q2 | $53.9M | Sell |
599,356
-9,600
| -2% | -$831K | 0.14% | 196 |
|
|
2014
Q1 | $49.9M | Buy |
608,956
+2,331
| +0.4% | +$190K | 0.14% | 202 |
|
|
2013
Q4 | $48.4M | Sell |
606,625
-78,403
| -11% | -$6.09M | 0.13% | 220 |
|
|
2013
Q3 | $50.8M | Buy |
685,028
+186,232
| +37% | +$13.4M | 0.15% | 192 |
|
|
2013
Q2 | $36.5M | Buy |
+498,796
| New | +$39.7M | 0.11% | 233 |
|
Other funds holding AMT
Adage Capital Partners's AMT Position: Q2 2026 in Review
Adage Capital Partners increased its American Tower (AMT) stake by 16% in Q2 2026, buying an estimated $11.8M and bringing the position to 485,205 shares worth $79.4M. The position accounts for 0.11% of the portfolio, ranked #183.
Adage Capital Partners first reported a position in AMT in Q2 2013 and has held it in 53 quarters since. The position peaked at $148M in Q1 2017. 1,749 funds tracked by Wall St. Rank hold AMT as of Q2 2026.
- Adage Capital Partners held 485,205 shares of American Tower worth $79.4M as of Q2 2026.
- Adage Capital Partners bought 65,800 American Tower shares in Q2 2026, an estimated $11.8M.
- American Tower made up 0.11% of Adage Capital Partners's portfolio in Q2 2026, its #183 holding.
- Adage Capital Partners first reported a position in American Tower in Q2 2013 and has held it in 53 quarters since.
- Adage Capital Partners's American Tower position peaked at $148M in Q1 2017.
- 1,749 funds tracked by Wall St. Rank held American Tower as of Q2 2026.
Based on Adage Capital Partners's 13F filing for Q2 2026, filed 14 Aug 2026.