Thompson Investment Management’s American Tower AMT Stock Holding History

Thompson 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 Q2	$3.33M	Buy	20,383 +386	+2%	+$69.5K	0.38%	82
2026 Q1	$3.45M	Buy	19,997 +3,457	+21%	+$622K	0.45%	78
2025 Q4	$2.9M	Buy	16,540 +1,339	+9%	+$244K	0.36%	81
2025 Q3	$2.92M	Buy	15,201 +440	+3%	+$91.7K	0.39%	78
2025 Q2	$3.26M	Buy	14,761 +284	+2%	+$61.3K	0.46%	76
2025 Q1	$3.15M	Buy	+14,477	New	+$2.84M	0.47%	75
2024 Q2	–	Sell	-136	Closed	-$26.9K	–	505
2024 Q1	$26.9K	Hold	136	–	–	﹤0.01%	325
2023 Q4	$29.4K	Buy	+136	New	+$25.7K	﹤0.01%	267

Other funds holding AMT

Davenport & Co Richmond, Virginia $20.4B AUM 18.11% 1-Year Est. Return

Sarasin & Partners London, United Kingdom $8.54B AUM 9.6% 1-Year Est. Return

COPPSERS

Commonwealth of Pennsylvania Public School Employees Retirement System Harrisburg, Pennsylvania $20.6B AUM 37.37% 1-Year Est. Return

Swedbank Stockholm, Sweden $116B AUM 46.87% 1-Year Est. Return

DLA

Douglas Lane & Associates New York $7.37B AUM 21.9% 1-Year Est. Return

FWIA

Fort Washington Investment Advisors Cincinnati, Ohio $19.9B AUM 22.19% 1-Year Est. Return

Perpetual Ltd Sydney, New South Wales, Australia $7B AUM 19.75% 1-Year Est. Return

ASR Vermogensbeheer Utrecht, Netherlands $9.71B AUM 37.32% 1-Year Est. Return

Handelsbanken Fonder Stockholm, Sweden $35.1B AUM 47.76% 1-Year Est. Return

FFM

Fisher Funds Management Auckland, New Zealand $3.52B AUM 17.59% 1-Year Est. Return

Thompson Investment Management's AMT Position: Q2 2026 in Review

Thompson Investment Management increased its American Tower (AMT) stake by 1.9% in Q2 2026, buying an estimated $69.5K and bringing the position to 20,383 shares worth $3.33M. The position accounts for 0.38% of the portfolio, ranked #82.

Thompson Investment Management first reported a position in AMT in Q4 2023 and has held it in 8 quarters since. The position peaked at $3.45M in Q1 2026. 282 funds tracked by Wall St. Rank hold AMT as of Q2 2026.

Thompson Investment Management held 20,383 shares of American Tower worth $3.33M as of Q2 2026.
Thompson Investment Management bought 386 American Tower shares in Q2 2026, an estimated $69.5K.
American Tower made up 0.38% of Thompson Investment Management's portfolio in Q2 2026, its #82 holding.
Thompson Investment Management first reported a position in American Tower in Q4 2023 and has held it in 8 quarters since.
Thompson Investment Management's American Tower position peaked at $3.45M in Q1 2026.
282 funds tracked by Wall St. Rank held American Tower as of Q2 2026.

Based on Thompson Investment Management's 13F filing for Q2 2026, filed 13 Jul 2026.