Parallax Volatility Advisers
AMT icon

Parallax Volatility Advisers’s American Tower AMT Stock Holding History

Parallax Volatility Advisers’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
Q2 		$3.2M Buy
19,577
+18,665
+2,047% +$3.36M 0.01% 686
2026
Q1 		$159K Buy
+912
New +$164K ﹤0.01% 1200
2023
Q1 		– Sell
-22,475
Closed -$4.72M – 2698
2022
Q4 		$4.76M Buy
+22,475
New +$4.68M 0.01% 1048
2022
Q3 		– Sell
-2,239
Closed -$575K – 3038
2022
Q2 		$572K Buy
+2,239
New +$562K ﹤0.01% 1858
2022
Q1 		– Sell
-60,036
Closed -$14.6M – 2829
2021
Q4 		$17.6M Buy
+60,036
New +$16.4M 0.02% 654
2021
Q2 		– Sell
-147,246
Closed -$37.5M – 2949
2021
Q1 		$35.2M Buy
147,246
+90,402
+159% +$20.1M 0.03% 478
2020
Q4 		$12.8M Buy
56,844
+29,821
+110% +$6.93M 0.01% 957
2020
Q3 		$6.53M Sell
27,023
-3,042
-10% -$771K ﹤0.01% 1181
2020
Q2 		$7.77M Buy
30,065
+3,346
+13% +$828K 0.01% 905
2020
Q1 		$5.82M Sell
26,719
-17,711
-40% -$4.12M 0.01% 817
2019
Q4 		$10.2M Buy
44,430
+33,804
+318% +$7.36M 0.01% 638
2019
Q3 		$2.35M Buy
10,626
+10,615
+96,500% +$2.32M ﹤0.01% 1077
2019
Q2 		$2K Sell
11
-1,689
-99% -$340K ﹤0.01% 2363
2019
Q1 		$335K Buy
1,700
+1,039
+157% +$182K ﹤0.01% 1671
2018
Q4 		$105K Buy
+661
New +$103K ﹤0.01% 1926
2018
Q1 		– Sell
-10,000
Closed -$1.43M – 2204
2017
Q4 		$1.43M Buy
10,000
+4,457
+80% +$636K ﹤0.01% 1046
2017
Q3 		$758K Buy
+5,543
New +$772K ﹤0.01% 1149
2015
Q1 		– Sell
-12,208
Closed -$1.19M – 4329
2014
Q4 		$1.21M Buy
12,208
+6,448
+112% +$633K ﹤0.01% 1385
2014
Q3 		$539K Buy
5,760
+546
+10% +$52K ﹤0.01% 1797
2014
Q2 		$469K Sell
5,214
-14,960
-74% -$1.29M ﹤0.01% 1420
2014
Q1 		$1.65M Buy
+20,174
New +$1.64M 0.01% 627
2013
Q4 		– Sell
-948
Closed -$73.6K – 3314
2013
Q3 		$70K Buy
+948
New +$68.4K ﹤0.01% 1629

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

Parallax Volatility Advisers's AMT Position: Q2 2026 in Review

Parallax Volatility Advisers increased its American Tower (AMT) stake by 2,047% in Q2 2026, buying an estimated $3.36M and bringing the position to 19,577 shares worth $3.2M. The position accounts for 0.01% of the portfolio, ranked #686.

Parallax Volatility Advisers first reported a position in AMT in Q3 2013 and has held it in 22 quarters since. The position peaked at $35.2M in Q1 2021. 1,752 funds tracked by Wall St. Rank hold AMT as of Q2 2026.

  • Parallax Volatility Advisers held 19,577 shares of American Tower worth $3.2M as of Q2 2026.
  • Parallax Volatility Advisers bought 18,665 American Tower shares in Q2 2026, an estimated $3.36M.
  • American Tower made up 0.01% of Parallax Volatility Advisers's portfolio in Q2 2026, its #686 holding.
  • Parallax Volatility Advisers first reported a position in American Tower in Q3 2013 and has held it in 22 quarters since.
  • Parallax Volatility Advisers's American Tower position peaked at $35.2M in Q1 2021.
  • 1,752 funds tracked by Wall St. Rank held American Tower as of Q2 2026.

Based on Parallax Volatility Advisers's 13F filing for Q2 2026, filed 14 Aug 2026.