AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

ALTA CAPITAL MANAGEMENT LLC/'s Holding History (CIK: 0001093589)

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

Q4 2025

Shares 23,733 Value ($000) $4,167 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 25,061 Value ($000) $4,820 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 23,359 Value ($000) $5,163 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 22,379 Value ($000) $4,870 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 20,438 Value ($000) $3,749 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 19,218 Value ($000) $4,470 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 19,008 Value ($000) $3,695 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 18,324 Value ($000) $3,621 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 16,798 Value ($000) $3,626 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 16,123 Value ($000) $2,651 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 14,836 Value ($000) $2,877 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 14,595 Value ($000) $2,982 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 12,082 Value ($000) $2,560 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 11,524 Value ($000) $2,474 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 11,679 Value ($000) $2,985 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 11,555 Value ($000) $2,903 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 8,756 Value ($000) $2,561 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 8,132 Value ($000) $2,158 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 15,606 Value ($000) $4,215 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 14,526 Value ($000) $3,472 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 7,054 Value ($000) $1,583 Avg Close $199.71 Range $184.97 - $217.31

Q1 2016

Shares 3,832 Value ($000) $392 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 3,832 Value ($000) $371 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 3,844 Value ($000) $338 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 5,949 Value ($000) $554 Avg Close $72.97 Range $70.92 - $75.72

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	23,733	$4,167	$180.30	$169.12 - $192.63
Q3 2025	25,061	$4,820	$204.56	$185.10 - $230.04
Q2 2025	23,359	$5,163	$210.37	$190.80 - $225.87
Q1 2025	22,379	$4,870	$189.52	$166.66 - $212.16
Q4 2024	20,438	$3,749	$198.35	$171.45 - $222.90
Q3 2024	19,218	$4,470	$210.79	$182.10 - $231.55
Q2 2024	19,008	$3,695	$176.27	$160.72 - $190.06
Q1 2024	18,324	$3,621	$186.13	$169.29 - $204.74
Q4 2023	16,798	$3,626	$175.15	$141.88 - $204.01
Q3 2023	16,123	$2,651	$167.65	$145.17 - $184.31
Q2 2023	14,836	$2,877	$178.08	$162.53 - $192.95
Q1 2023	14,595	$2,982	$189.59	$171.12 - $212.87
Q4 2022	12,082	$2,560	$186.71	$159.82 - $204.49
Q3 2022	11,524	$2,474	$228.80	$188.24 - $251.54
Q2 2022	11,679	$2,985	$222.20	$196.54 - $240.37
Q1 2022	11,555	$2,903	$214.86	$193.72 - $257.60
Q4 2021	8,756	$2,561	$239.48	$222.02 - $259.23
Q3 2021	8,132	$2,158	$248.67	$232.43 - $264.88
Q2 2021	15,606	$4,215	$221.28	$204.65 - $239.67
Q1 2021	14,526	$3,472	$192.28	$170.54 - $209.67
Q4 2020	7,054	$1,583	$199.71	$184.97 - $217.31
Q1 2016	3,832	$392	$73.16	$65.02 - $80.56
Q4 2015	3,832	$371	$75.94	$67.91 - $81.06
Q3 2015	3,844	$338	$72.97	$67.60 - $78.65
Q2 2015	5,949	$554	$72.97	$70.92 - $75.72