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John Overdeck’s American Tower AMT Stock Holding History

John Overdeck’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
2022
Q1 		– Sell
-10,100
Closed -$2.95M – 2646
2021
Q4 		$2.95M Buy
10,100
+4,100
+68% +$1.12M 0.01% 1585
2021
Q3 		$1.59M Buy
6,000
+2,200
+58% +$627K ﹤0.01% 2194
2021
Q2 		$1.03M Buy
3,800
+2,800
+280% +$714K ﹤0.01% 2457
2021
Q1 		$239K Sell
1,000
-5,800
-85% -$1.29M ﹤0.01% 3508
2020
Q4 		$1.53M Sell
6,800
-6,000
-47% -$1.39M ﹤0.01% 1682
2020
Q3 		$3.09M Buy
+12,800
New +$3.25M 0.01% 1055
2020
Q2 		– Sell
-6,400
Closed -$1.39M – 2912
2020
Q1 		$1.39M Sell
6,400
-29,200
-82% -$6.8M 0.01% 1186
2019
Q4 		$8.18M Buy
35,600
+19,800
+125% +$4.31M 0.02% 711
2019
Q3 		$3.49M Sell
15,800
-700
-4% -$153K 0.01% 1063
2019
Q2 		$3.37M Sell
16,500
-6,400
-28% -$1.29M 0.01% 1114
2019
Q1 		$4.51M Buy
22,900
+11,500
+101% +$2.02M 0.01% 1013
2018
Q4 		$1.8M Sell
11,400
-600
-5% -$93.8K 0.01% 1292
2018
Q3 		$1.74M Sell
12,000
-138,100
-92% -$20.3M ﹤0.01% 1577
2018
Q2 		$21.6M Buy
150,100
+111,100
+285% +$15.4M 0.06% 388
2018
Q1 		$5.67M Sell
39,000
-44,500
-53% -$6.27M 0.02% 887
2017
Q4 		$11.9M Buy
83,500
+76,500
+1,093% +$10.9M 0.04% 545
2017
Q3 		$957K Sell
7,000
-38,400
-85% -$5.35M ﹤0.01% 1746
2017
Q2 		$6.01M Sell
45,400
-50,600
-53% -$6.48M 0.02% 766
2017
Q1 		$11.7M Buy
96,000
+93,200
+3,329% +$10.3M 0.04% 560
2016
Q4 		$296K Sell
2,800
-47,900
-94% -$5.2M ﹤0.01% 2758
2016
Q3 		$5.75M Buy
50,700
+8,700
+21% +$995K 0.02% 804
2016
Q2 		$4.77M Buy
42,000
+38,000
+950% +$4.04M 0.02% 790
2016
Q1 		$409K Buy
+4,000
New +$374K ﹤0.01% 2188
2015
Q3 		– Sell
-6,000
Closed -$560K – 2168
2015
Q2 		$560K Buy
+6,000
New +$568K ﹤0.01% 2044

Other funds holding AMT

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Cohen & Steers
Cohen & Steers New York $63.2B AUM 17.15% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return
Lazard Asset Management
Lazard Asset Management New York $66.1B AUM 33.53% 1-Year Est. Return

John Overdeck's AMT Position: Q2 2026 in Review

John Overdeck reduced its American Tower (AMT) stake by 65% in Q2 2026, selling an estimated $143M and leaving 431,852 shares worth $70.6M. The position accounts for 0.05% of the portfolio, ranked #430.

John Overdeck first reported a position in AMT in Q2 2013 and has held it in 41 quarters since. The position peaked at $214M in Q4 2025. 1,744 funds tracked by Wall St. Rank hold AMT as of Q2 2026.

  • John Overdeck held 431,852 shares of American Tower worth $70.6M as of Q2 2026.
  • John Overdeck sold 795,037 American Tower shares in Q2 2026, an estimated $143M.
  • American Tower made up 0.05% of John Overdeck's portfolio in Q2 2026, its #430 holding.
  • John Overdeck first reported a position in American Tower in Q2 2013 and has held it in 41 quarters since.
  • John Overdeck's American Tower position peaked at $214M in Q4 2025.
  • 1,744 funds tracked by Wall St. Rank held American Tower as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.