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 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 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 Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

JP Morgan Chase New York $1.56T AUM 27.86% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Cohen & Steers New York $57.6B AUM 8.03% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $303B AUM 30.15% 1-Year Est. Return

Aigen Investment Management's AMT Position: Q1 2026 in Review

Aigen Investment Management increased its American Tower (AMT) stake by 68% in Q1 2026, buying an estimated $893K and bringing the position to 12,242 shares worth $2.11M. The position accounts for 0.54% of the portfolio, ranked #43.

Aigen Investment Management first reported a position in AMT in Q1 2020 and has held it in 14 quarters since. The position peaked at $8.97M in Q4 2020. 1,748 funds tracked by Wall St. Rank hold AMT as of Q1 2026.

Aigen Investment Management held 12,242 shares of American Tower worth $2.11M as of Q1 2026.
Aigen Investment Management bought 4,961 American Tower shares in Q1 2026, an estimated $893K.
American Tower made up 0.54% of Aigen Investment Management's portfolio in Q1 2026, its #43 holding.
Aigen Investment Management first reported a position in American Tower in Q1 2020 and has held it in 14 quarters since.
Aigen Investment Management's American Tower position peaked at $8.97M in Q4 2020.
1,748 funds tracked by Wall St. Rank held American Tower as of Q1 2026.

Based on Aigen Investment Management's 13F filing for Q1 2026, filed 15 May 2026.