SeaBridge Investment Advisors’s American Tower AMT Stock Holding History

SeaBridge Investment Advisors’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	-3,450	Closed	-$664K	–	199
2025 Q3	$664K	Sell	3,450 -342	-9%	-$71.3K	0.11%	127
2025 Q2	$838K	Sell	3,792 -83	-2%	-$17.9K	0.16%	112
2025 Q1	$843K	Buy	3,875 +682	+21%	+$134K	0.18%	112
2024 Q4	$586K	Sell	3,193 -10,473	-77%	-$2.17M	0.12%	130
2024 Q3	$3.18M	Buy	+13,666	New	+$3.03M	0.78%	37
2020 Q4	–	Sell	-200	Closed	-$48K	–	136
2020 Q3	$48K	Hold	200	–	–	0.02%	166
2020 Q2	$52K	Hold	200	–	–	0.02%	167
2020 Q1	$44K	Hold	200	–	–	0.02%	169
2019 Q4	$46K	Hold	200	–	–	0.02%	174
2019 Q3	$44K	Hold	200	–	–	0.02%	183
2019 Q2	$41K	Hold	200	–	–	0.01%	186
2019 Q1	$39K	Hold	200	–	–	0.01%	183
2018 Q4	$32K	Hold	200	–	–	0.01%	186
2018 Q3	$29K	Hold	200	–	–	0.01%	182
2018 Q2	$29K	Hold	200	–	–	0.01%	188
2018 Q1	$29K	Hold	200	–	–	0.01%	182
2017 Q4	$29K	Hold	200	–	–	0.01%	193
2017 Q3	$27K	Buy	+200	New	+$27.8K	0.01%	188

Other funds holding AMT

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

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

JP Morgan Chase New York $1.81T AUM 41.13% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Cohen & Steers New York $63.2B AUM 17.15% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return

SeaBridge Investment Advisors's AMT Position: Q4 2025 in Review

SeaBridge Investment Advisors sold out of American Tower (AMT) in Q4 2025, closing a stake of 3,450 shares — an estimated $664K sold.

SeaBridge Investment Advisors first reported a position in AMT in Q3 2017 and held it in 18 quarters. The position peaked at $3.18M in Q3 2024. 1,778 funds tracked by Wall St. Rank hold AMT as of Q4 2025.

SeaBridge Investment Advisors reported no remaining American Tower position as of Q4 2025 after selling out during the quarter.
SeaBridge Investment Advisors sold 3,450 American Tower shares in Q4 2025, an estimated $664K.
SeaBridge Investment Advisors first reported a position in American Tower in Q3 2017 and held it in 18 quarters.
SeaBridge Investment Advisors's American Tower position peaked at $3.18M in Q3 2024.
1,778 funds tracked by Wall St. Rank held American Tower as of Q4 2025.

Based on SeaBridge Investment Advisors's 13F filing for Q4 2025, filed 26 Jan 2026.