ECAM
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East Coast Asset Management’s American Tower AMT Stock Holding History

East Coast Asset Management’s Portfolio AMT Stock Details AMT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$216K Hold
1,253
– – 0.07% 66
2025
Q4 		$220K Hold
1,253
– – 0.06% 67
2025
Q3 		$241K Hold
1,253
– – 0.08% 61
2025
Q2 		$277K Hold
1,253
– – 0.09% 62
2025
Q1 		$273K Buy
1,253
+58
+5% +$11.4K 0.1% 61
2024
Q4 		$219K Sell
1,195
-900
-43% -$186K 0.07% 68
2024
Q3 		$487K Hold
2,095
– – 0.16% 47
2024
Q2 		$407K Sell
2,095
-125
-6% -$23.4K 0.15% 47
2024
Q1 		$439K Hold
2,220
– – 0.16% 47
2023
Q4 		$479K Hold
2,220
– – 0.2% 44
2023
Q3 		$365K Hold
2,220
– – 0.17% 48
2023
Q2 		$431K Hold
2,220
– – 0.19% 47
2023
Q1 		$454K Sell
2,220
-115
-5% -$24.1K 0.2% 43
2022
Q4 		$495K Hold
2,335
– – 0.25% 38
2022
Q3 		$501K Hold
2,335
– – 0.29% 36
2022
Q2 		$597K Hold
2,335
– – 0.28% 35
2022
Q1 		$587K Hold
2,335
– – 0.14% 38
2021
Q4 		$683K Hold
2,335
– – 0.15% 38
2021
Q3 		$620K Hold
2,335
– – 0.15% 36
2021
Q2 		$631K Hold
2,335
– – 0.15% 35
2021
Q1 		$558K Hold
2,335
– – 0.15% 39
2020
Q4 		$524K Hold
2,335
– – 0.16% 39
2020
Q3 		$564K Sell
2,335
-810
-26% -$205K 0.2% 35
2020
Q2 		$813K Sell
3,145
-150
-5% -$37.1K 0.23% 31
2020
Q1 		$717K Hold
3,295
– – 0.28% 29
2019
Q4 		$757K Hold
3,295
– – 0.21% 37
2019
Q3 		$729K Hold
3,295
– – 0.2% 40
2019
Q2 		$674K Sell
3,295
-16,700
-84% -$3.36M 0.18% 43
2019
Q1 		$3.94M Buy
19,995
+2,508
+14% +$440K 0.98% 20
2018
Q4 		$2.77M Buy
17,487
+1,905
+12% +$298K 0.85% 21
2018
Q3 		$2.26M Buy
15,582
+162
+1% +$23.8K 0.59% 27
2018
Q2 		$2.22M Buy
15,420
+410
+3% +$57K 0.62% 24
2018
Q1 		$2.18M Buy
15,010
+100
+0.7% +$14.1K 0.62% 25
2017
Q4 		$2.13M Buy
14,910
+235
+2% +$33.5K 0.58% 30
2017
Q3 		$2.01M Buy
14,675
+255
+2% +$35.5K 0.53% 30
2017
Q2 		$1.91M Buy
14,420
+675
+5% +$86.5K 0.52% 33
2017
Q1 		$1.67M Buy
13,745
+725
+6% +$79.8K 0.46% 36
2016
Q4 		$1.38M Buy
13,020
+620
+5% +$67.4K 0.41% 37
2016
Q3 		$1.41M Buy
12,400
+90
+0.7% +$10.3K 0.73% 37
2016
Q2 		$1.4M Buy
12,310
+400
+3% +$42.6K 0.76% 39
2016
Q1 		$1.22M Buy
11,910
+400
+3% +$37.4K 0.65% 48
2015
Q4 		$1.12M Buy
11,510
+350
+3% +$34.1K 0.61% 54
2015
Q3 		$982K Buy
11,160
+460
+4% +$43.3K 0.61% 53
2015
Q2 		$998K Buy
10,700
+215
+2% +$20.3K 0.53% 58
2015
Q1 		$987K Buy
10,485
+465
+5% +$45.2K 0.52% 60
2014
Q4 		$990K Buy
10,020
+1,165
+13% +$114K 0.54% 59
2014
Q3 		$829K Buy
8,855
+895
+11% +$85.2K 0.47% 64
2014
Q2 		$716K Buy
7,960
+40
+0.5% +$3.46K 0.39% 69
2014
Q1 		$648K Hold
7,920
– – 0.38% 69
2013
Q4 		$632K Hold
7,920
– – 0.37% 71
2013
Q3 		$587K Buy
+7,920
New +$572K 0.38% 70

Other funds holding AMT

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return

East Coast Asset Management's AMT Position: Q1 2026 in Review

East Coast Asset Management held its American Tower (AMT) position steady in Q1 2026 at 1,253 shares worth $216K. The position accounts for 0.07% of the portfolio, ranked #66.

East Coast Asset Management first reported a position in AMT in Q3 2013 and has held it in 51 quarters since. The position peaked at $3.94M in Q1 2019. 1,748 funds tracked by Wall St. Rank hold AMT as of Q1 2026.

  • East Coast Asset Management held 1,253 shares of American Tower worth $216K as of Q1 2026.
  • East Coast Asset Management left its American Tower share count unchanged in Q1 2026.
  • American Tower made up 0.07% of East Coast Asset Management's portfolio in Q1 2026, its #66 holding.
  • East Coast Asset Management first reported a position in American Tower in Q3 2013 and has held it in 51 quarters since.
  • East Coast Asset Management's American Tower position peaked at $3.94M in Q1 2019.
  • 1,748 funds tracked by Wall St. Rank held American Tower as of Q1 2026.

Based on East Coast Asset Management's 13F filing for Q1 2026, filed 15 May 2026.