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Aigen Investment Management’s American Tower AMT Stock Holding History

Aigen Investment 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
Q2 		$1.66M Sell
10,162
-2,080
-17% -$374K 0.45% 58
2026
Q1 		$2.11M Buy
12,242
+4,961
+68% +$893K 0.54% 43
2025
Q4 		$1.28M Sell
7,281
-370
-5% -$67.3K 0.3% 88
2025
Q3 		$1.47M Buy
+7,651
New +$1.59M 0.23% 119
2024
Q2 		– Sell
-8,748
Closed -$1.73M – 758
2024
Q1 		$1.73M Buy
+8,748
New +$1.74M 0.38% 64
2023
Q3 		– Sell
-19,220
Closed -$3.73M – 808
2023
Q2 		$3.73M Buy
19,220
+17,367
+937% +$3.4M 0.55% 31
2023
Q1 		$379K Sell
1,853
-1,188
-39% -$249K 0.05% 369
2022
Q4 		$644K Buy
3,041
+1,063
+54% +$221K 0.09% 222
2022
Q3 		$425K Buy
+1,978
New +$508K 0.06% 335
2022
Q1 		– Sell
-4,157
Closed -$1.08M – 538
2021
Q4 		$1.08M Buy
+4,157
New +$1.14M 0.07% 391
2021
Q2 		– Sell
-30,391
Closed -$7.26M – 453
2021
Q1 		$7.26M Sell
30,391
-9,579
-24% -$2.13M 0.96% 17
2020
Q4 		$8.97M Buy
39,970
+23,871
+148% +$5.55M 1.17% 5
2020
Q3 		$3.89M Sell
16,099
-2,439
-13% -$618K 0.5% 28
2020
Q2 		$4.79M Buy
18,538
+6,078
+49% +$1.5M 0.61% 10
2020
Q1 		$2.71M Buy
+12,460
New +$2.9M 0.36% 47

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

Aigen Investment Management's AMT Position: Q2 2026 in Review

Aigen Investment Management reduced its American Tower (AMT) stake by 17% in Q2 2026, selling an estimated $374K and leaving 10,162 shares worth $1.66M. The position accounts for 0.45% of the portfolio, ranked #58.

Aigen Investment Management first reported a position in AMT in Q1 2020 and has held it in 15 quarters since. The position peaked at $8.97M in Q4 2020. 1,751 funds tracked by Wall St. Rank hold AMT as of Q2 2026.

  • Aigen Investment Management held 10,162 shares of American Tower worth $1.66M as of Q2 2026.
  • Aigen Investment Management sold 2,080 American Tower shares in Q2 2026, an estimated $374K.
  • American Tower made up 0.45% of Aigen Investment Management's portfolio in Q2 2026, its #58 holding.
  • Aigen Investment Management first reported a position in American Tower in Q1 2020 and has held it in 15 quarters since.
  • Aigen Investment Management's American Tower position peaked at $8.97M in Q4 2020.
  • 1,751 funds tracked by Wall St. Rank held American Tower as of Q2 2026.

Based on Aigen Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.