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 Q3	$921K	Sell	5,628 -230	-4%	-$39.5K	0.24%	61
2026 Q2	$958K	Buy	5,858 +19	+0.3%	+$3.42K	0.27%	56
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

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Principal Financial Group Des Moines, Iowa $195B AUM 21.17% 1-Year Est. Return

Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return

Union Bancaire Privee Geneva 1, Switzerland $10.3B AUM 29.94% 1-Year Est. Return

Davenport & Co Richmond, Virginia $19.9B AUM 12.67% 1-Year Est. Return

Mitsubishi UFJ Asset Management Tokyo, Japan $194B AUM 32.2% 1-Year Est. Return

Sumitomo Mitsui Trust Group Minato-Ku, Tokyo, Japan $174B AUM 33.96% 1-Year Est. Return

Loring Wolcott & Coolidge Fiduciary Advisors Boston, Massachusetts $10.8B AUM 9.05% 1-Year Est. Return

Citigroup New York $308B AUM 40.94% 1-Year Est. Return

Commonwealth of Pennsylvania Public School Employees Retirement System Harrisburg, Pennsylvania $21.9B AUM 28.42% 1-Year Est. Return

TigerOak Management's AMT Position: Q3 2026 in Review

TigerOak Management reduced its American Tower (AMT) stake by 3.9% in Q3 2026, selling an estimated $39.5K and leaving 5,628 shares worth $921K. The position accounts for 0.24% of the portfolio, ranked #61.

TigerOak Management first reported a position in AMT in Q4 2024 and has held it in 8 quarters since. The position peaked at $1.31M in Q2 2025. 884 funds tracked by Wall St. Rank hold AMT as of Q3 2026.

TigerOak Management held 5,628 shares of American Tower worth $921K as of Q3 2026.
TigerOak Management sold 230 American Tower shares in Q3 2026, an estimated $39.5K.
American Tower made up 0.24% of TigerOak Management's portfolio in Q3 2026, its #61 holding.
TigerOak Management first reported a position in American Tower in Q4 2024 and has held it in 8 quarters since.
TigerOak Management's American Tower position peaked at $1.31M in Q2 2025.
884 funds tracked by Wall St. Rank held American Tower as of Q3 2026.

Based on TigerOak Management's 13F filing for Q3 2026, filed 23 Oct 2026.