AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

Horizon Investments, LLC's Holding History (CIK: 0001560717)

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

Q4 2025

Shares 24,773 Value ($000) $4,349 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 25,436 Value ($000) $4,892 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 30,675 Value ($000) $6,780 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 13,868 Value ($000) $2,993 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 13,137 Value ($000) $2,409 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 12,853 Value ($000) $2,968 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 12,779 Value ($000) $2,484 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 12,471 Value ($000) $2,442 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 12,107 Value ($000) $2,614 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 8,761 Value ($000) $1,426 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 7,031 Value ($000) $1,364 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 6,157 Value ($000) $1,249 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 7,765 Value ($000) $2 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 4,523 Value ($000) $964 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 6,590 Value ($000) $1,684 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 6,460 Value ($000) $1,614 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 16,337 Value ($000) $4,779 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 5,263 Value ($000) $1,397 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 7,179 Value ($000) $1,939 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 4,739 Value ($000) $1,133 Avg Close $192.28 Range $170.54 - $209.67

Q3 2020

Shares 7,589 Value ($000) $1,834 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 10,863 Value ($000) $2,809 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 5,971 Value ($000) $1,295 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 9,339 Value ($000) $2,146 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 3,541 Value ($000) $783 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 6,630 Value ($000) $1,356 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 2,261 Value ($000) $446 Avg Close $146.03 Range $128.16 - $164.30

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	24,773	$4,349	$180.30	$169.12 - $192.63
Q3 2025	25,436	$4,892	$204.56	$185.10 - $230.04
Q2 2025	30,675	$6,780	$210.37	$190.80 - $225.87
Q1 2025	13,868	$2,993	$189.52	$166.66 - $212.16
Q4 2024	13,137	$2,409	$198.35	$171.45 - $222.90
Q3 2024	12,853	$2,968	$210.79	$182.10 - $231.55
Q2 2024	12,779	$2,484	$176.27	$160.72 - $190.06
Q1 2024	12,471	$2,442	$186.13	$169.29 - $204.74
Q4 2023	12,107	$2,614	$175.15	$141.88 - $204.01
Q3 2023	8,761	$1,426	$167.65	$145.17 - $184.31
Q2 2023	7,031	$1,364	$178.08	$162.53 - $192.95
Q1 2023	6,157	$1,249	$189.59	$171.12 - $212.87
Q4 2022	7,765	$2	$186.71	$159.82 - $204.49
Q3 2022	4,523	$964	$228.80	$188.24 - $251.54
Q2 2022	6,590	$1,684	$222.20	$196.54 - $240.37
Q1 2022	6,460	$1,614	$214.86	$193.72 - $257.60
Q4 2021	16,337	$4,779	$239.48	$222.02 - $259.23
Q3 2021	5,263	$1,397	$248.67	$232.43 - $264.88
Q2 2021	7,179	$1,939	$221.28	$204.65 - $239.67
Q1 2021	4,739	$1,133	$192.28	$170.54 - $209.67
Q3 2020	7,589	$1,834	$216.72	$200.88 - $232.60
Q2 2020	10,863	$2,809	$210.56	$171.21 - $229.12
Q1 2020	5,971	$1,295	$197.22	$147.72 - $219.16
Q4 2019	9,339	$2,146	$183.82	$171.19 - $195.06
Q3 2019	3,541	$783	$183.38	$167.57 - $203.29
Q2 2019	6,630	$1,356	$168.17	$157.69 - $183.80
Q1 2019	2,261	$446	$146.03	$128.16 - $164.30