TigerOak Management’s American Tower AMT Stock Holding History

TigerOak 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	$1.01M	Sell	5,839 -213	-4%	-$38.3K	0.32%	48
2025 Q4	$1.06M	Sell	6,052 -35	-0.6%	-$6.37K	0.32%	47
2025 Q3	$1.17M	Buy	6,087 +143	+2%	+$29.8K	0.36%	41
2025 Q2	$1.31M	Sell	5,944 -63	-1%	-$13.6K	0.45%	36
2025 Q1	$1.31M	Hold	6,007	–	–	0.5%	35
2024 Q4	$1.1M	Buy	+6,007	New	+$1.24M	0.4%	41

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

TigerOak Management's AMT Position: Q1 2026 in Review

TigerOak Management reduced its American Tower (AMT) stake by 3.5% in Q1 2026, selling an estimated $38.3K and leaving 5,839 shares worth $1.01M. The position accounts for 0.32% of the portfolio, ranked #48.

TigerOak Management first reported a position in AMT in Q4 2024 and has held it in 6 quarters since. The position peaked at $1.31M in Q2 2025. 1,748 funds tracked by Wall St. Rank hold AMT as of Q1 2026.

TigerOak Management held 5,839 shares of American Tower worth $1.01M as of Q1 2026.
TigerOak Management sold 213 American Tower shares in Q1 2026, an estimated $38.3K.
American Tower made up 0.32% of TigerOak Management's portfolio in Q1 2026, its #48 holding.
TigerOak Management first reported a position in American Tower in Q4 2024 and has held it in 6 quarters since.
TigerOak Management's American Tower position peaked at $1.31M in Q2 2025.
1,748 funds tracked by Wall St. Rank held American Tower as of Q1 2026.

Based on TigerOak Management's 13F filing for Q1 2026, filed 21 Apr 2026.