AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

Sienna Gestion's Holding History (CIK: 0002021242)

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

Q3 2025

Shares 3,954 Value ($000) $693 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 3,954 Value ($000) $798 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 3,954 Value ($000) $836 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 6,136 Value ($000) $1,125 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 6,136 Value ($000) $1,424 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 2,182 Value ($000) $424 Avg Close $176.27 Range $160.72 - $190.06

Period	Shares	Value ($000)	Average Close	Price Range
Q3 2025	3,954	$693	$204.56	$185.10 - $230.04
Q2 2025	3,954	$798	$210.37	$190.80 - $225.87
Q1 2025	3,954	$836	$189.52	$166.66 - $212.16
Q4 2024	6,136	$1,125	$198.35	$171.45 - $222.90
Q3 2024	6,136	$1,424	$210.79	$182.10 - $231.55
Q2 2024	2,182	$424	$176.27	$160.72 - $190.06