Blue Door Asset Management’s American Tower AMT Stock Holding History

Blue Door 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
2025 Q4	–	Sell	-37,300	Closed	-$7.17M	–	25
2025 Q3	$7.17M	Buy	37,300 +22,500	+152%	+$4.69M	3.77%	12
2025 Q2	$3.27M	Buy	+14,800	New	+$3.2M	1.69%	16

Other funds holding AMT

JSC

J. Stern & Co London, United Kingdom $1.03B AUM 20.71% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

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

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Blue Door Asset Management's AMT Position: Q4 2025 in Review

Blue Door Asset Management sold out of American Tower (AMT) in Q4 2025, closing a stake of 37,300 shares — an estimated $7.17M sold.

Blue Door Asset Management first reported a position in AMT in Q2 2025 and held it in 2 quarters. The position peaked at $7.17M in Q3 2025. 1,775 funds tracked by Wall St. Rank hold AMT as of Q4 2025.

Blue Door Asset Management reported no remaining American Tower position as of Q4 2025 after selling out during the quarter.
Blue Door Asset Management sold 37,300 American Tower shares in Q4 2025, an estimated $7.17M.
Blue Door Asset Management first reported a position in American Tower in Q2 2025 and held it in 2 quarters.
Blue Door Asset Management's American Tower position peaked at $7.17M in Q3 2025.
1,775 funds tracked by Wall St. Rank held American Tower as of Q4 2025.

Based on Blue Door Asset Management's 13F filing for Q4 2025, filed 17 Feb 2026.