AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC's Holding History (CIK: 0001021223)

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

Q4 2025

Shares 6,024 Value ($000) $1,058 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 8,603 Value ($000) $1,655 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 9,538 Value ($000) $2,108 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 13,194 Value ($000) $2,871 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 10,508 Value ($000) $1,927 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 11,232 Value ($000) $2,612 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 11,451 Value ($000) $2,226 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 11,943 Value ($000) $2,360 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 11,552 Value ($000) $2,494 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 10,280 Value ($000) $1,691 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 10,906 Value ($000) $2,115 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 9,337 Value ($000) $1,908 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 9,255 Value ($000) $1,961 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 9,535 Value ($000) $2,047 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 9,568 Value ($000) $2,445 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 11,455 Value ($000) $2,878 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 7,889 Value ($000) $2,308 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 6,690 Value ($000) $1,776 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 6,356 Value ($000) $1,717 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 5,435 Value ($000) $1,299 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 3,767 Value ($000) $846 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 5,164 Value ($000) $1,248 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 10,003 Value ($000) $2,586 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 10,305 Value ($000) $2,244 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 9,694 Value ($000) $2,228 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 10,035 Value ($000) $2,219 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 11,056 Value ($000) $2,261 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 11,331 Value ($000) $2,233 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 13,423 Value ($000) $2,124 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 16,265 Value ($000) $2,363 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 16,941 Value ($000) $2,443 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 18,836 Value ($000) $2,738 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 24,093 Value ($000) $3,437 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 23,875 Value ($000) $3,263 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 19,601 Value ($000) $2,594 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 19,796 Value ($000) $2,406 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 18,831 Value ($000) $1,990 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 21,618 Value ($000) $2,450 Avg Close $90.38 Range $85.02 - $93.47

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	6,024	$1,058	$180.30	$169.12 - $192.63
Q3 2025	8,603	$1,655	$204.56	$185.10 - $230.04
Q2 2025	9,538	$2,108	$210.37	$190.80 - $225.87
Q1 2025	13,194	$2,871	$189.52	$166.66 - $212.16
Q4 2024	10,508	$1,927	$198.35	$171.45 - $222.90
Q3 2024	11,232	$2,612	$210.79	$182.10 - $231.55
Q2 2024	11,451	$2,226	$176.27	$160.72 - $190.06
Q1 2024	11,943	$2,360	$186.13	$169.29 - $204.74
Q4 2023	11,552	$2,494	$175.15	$141.88 - $204.01
Q3 2023	10,280	$1,691	$167.65	$145.17 - $184.31
Q2 2023	10,906	$2,115	$178.08	$162.53 - $192.95
Q1 2023	9,337	$1,908	$189.59	$171.12 - $212.87
Q4 2022	9,255	$1,961	$186.71	$159.82 - $204.49
Q3 2022	9,535	$2,047	$228.80	$188.24 - $251.54
Q2 2022	9,568	$2,445	$222.20	$196.54 - $240.37
Q1 2022	11,455	$2,878	$214.86	$193.72 - $257.60
Q4 2021	7,889	$2,308	$239.48	$222.02 - $259.23
Q3 2021	6,690	$1,776	$248.67	$232.43 - $264.88
Q2 2021	6,356	$1,717	$221.28	$204.65 - $239.67
Q1 2021	5,435	$1,299	$192.28	$170.54 - $209.67
Q4 2020	3,767	$846	$199.71	$184.97 - $217.31
Q3 2020	5,164	$1,248	$216.72	$200.88 - $232.60
Q2 2020	10,003	$2,586	$210.56	$171.21 - $229.12
Q1 2020	10,305	$2,244	$197.22	$147.72 - $219.16
Q4 2019	9,694	$2,228	$183.82	$171.19 - $195.06
Q3 2019	10,035	$2,219	$183.38	$167.57 - $203.29
Q2 2019	11,056	$2,261	$168.17	$157.69 - $183.80
Q1 2019	11,331	$2,233	$146.03	$128.16 - $164.30
Q4 2018	13,423	$2,124	$129.50	$116.26 - $139.59
Q3 2018	16,265	$2,363	$120.79	$114.07 - $125.11
Q2 2018	16,941	$2,443	$113.83	$109.35 - $119.75
Q1 2018	18,836	$2,738	$114.77	$106.21 - $122.30
Q4 2017	24,093	$3,437	$115.75	$109.97 - $125.87
Q3 2017	23,875	$3,263	$112.31	$105.52 - $119.95
Q2 2017	19,601	$2,594	$102.88	$96.18 - $110.06
Q1 2017	19,796	$2,406	$87.85	$81.86 - $97.31
Q4 2016	18,831	$1,990	$86.33	$79.20 - $93.79
Q3 2016	21,618	$2,450	$90.38	$85.02 - $93.47