AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

THOMPSON INVESTMENT MANAGEMENT, INC.'s Holding History (CIK: 0001277279)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 16,540 Value ($000) $2,904 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 15,201 Value ($000) $2,923 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 14,761 Value ($000) $3,262 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 14,477 Value ($000) $3,150 Avg Close $189.52 Range $166.66 - $212.16

Q1 2024

Shares 136 Value ($000) $27 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 136 Value ($000) $29 Avg Close $175.15 Range $141.88 - $204.01

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	16,540	$2,904	$180.30	$169.12 - $192.63
Q3 2025	15,201	$2,923	$204.56	$185.10 - $230.04
Q2 2025	14,761	$3,262	$210.37	$190.80 - $225.87
Q1 2025	14,477	$3,150	$189.52	$166.66 - $212.16
Q1 2024	136	$27	$186.13	$169.29 - $204.74
Q4 2023	136	$29	$175.15	$141.88 - $204.01