AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 555,042 Value ($000) $97,449 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 542,119 Value ($000) $104,260 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 1,514,911 Value ($000) $334,826 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 1,762,792 Value ($000) $383,584 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 2,197,552 Value ($000) $403,053 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 2,893,176 Value ($000) $672,837 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 3,250,415 Value ($000) $631,816 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 3,521,631 Value ($000) $695,839 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 3,911,207 Value ($000) $844,351 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 4,095,137 Value ($000) $673,445 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 4,271,307 Value ($000) $828,377 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 4,457,031 Value ($000) $910,750 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 4,053,947 Value ($000) $858,869 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 3,869,123 Value ($000) $830,700 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 3,771,609 Value ($000) $963,986 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 3,852,390 Value ($000) $967,797 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 3,826,249 Value ($000) $1,119,178 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 3,767,698 Value ($000) $999,985 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 3,715,705 Value ($000) $1,003,760 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 3,160,319 Value ($000) $755,506 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 2,110,772 Value ($000) $473,784 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 1,521,327 Value ($000) $367,751 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 1,220,631 Value ($000) $315,582 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 783,685 Value ($000) $170,647 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 766,357 Value ($000) $176,124 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 791,576 Value ($000) $175,041 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 780,490 Value ($000) $159,571 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 783,159 Value ($000) $154,329 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 792,235 Value ($000) $125,324 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 862,037 Value ($000) $125,254 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 865,820 Value ($000) $124,825 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 825,870 Value ($000) $120,032 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 763,770 Value ($000) $108,967 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 780,752 Value ($000) $106,713 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 771,305 Value ($000) $102,059 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 773,135 Value ($000) $93,967 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 771,932 Value ($000) $81,578 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 1,505,434 Value ($000) $170,611 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 1,486,084 Value ($000) $168,834 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 1,406,536 Value ($000) $143,987 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 765,850 Value ($000) $74,249 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 780,066 Value ($000) $68,630 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 786,244 Value ($000) $73,349 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 3,839,015 Value ($000) $361,443 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 4,716,568 Value ($000) $466,233 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 5,920,824 Value ($000) $554,367 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 5,988,076 Value ($000) $538,807 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 6,710,170 Value ($000) $549,362 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 6,080,066 Value ($000) $485,311 Avg Close $58.52 Range $53.88 - $61.27

Q3 2013

Shares 2,358,240 Value ($000) $174,816 Avg Close $54.19 Range $50.94 - $58.77

Q2 2013

Shares 2,091,477 Value ($000) $153,033 Avg Close $59.51 Range $52.17 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	555,042	$97,449	$180.30	$169.12 - $192.63
Q3 2025	542,119	$104,260	$204.56	$185.10 - $230.04
Q2 2025	1,514,911	$334,826	$210.37	$190.80 - $225.87
Q1 2025	1,762,792	$383,584	$189.52	$166.66 - $212.16
Q4 2024	2,197,552	$403,053	$198.35	$171.45 - $222.90
Q3 2024	2,893,176	$672,837	$210.79	$182.10 - $231.55
Q2 2024	3,250,415	$631,816	$176.27	$160.72 - $190.06
Q1 2024	3,521,631	$695,839	$186.13	$169.29 - $204.74
Q4 2023	3,911,207	$844,351	$175.15	$141.88 - $204.01
Q3 2023	4,095,137	$673,445	$167.65	$145.17 - $184.31
Q2 2023	4,271,307	$828,377	$178.08	$162.53 - $192.95
Q1 2023	4,457,031	$910,750	$189.59	$171.12 - $212.87
Q4 2022	4,053,947	$858,869	$186.71	$159.82 - $204.49
Q3 2022	3,869,123	$830,700	$228.80	$188.24 - $251.54
Q2 2022	3,771,609	$963,986	$222.20	$196.54 - $240.37
Q1 2022	3,852,390	$967,797	$214.86	$193.72 - $257.60
Q4 2021	3,826,249	$1,119,178	$239.48	$222.02 - $259.23
Q3 2021	3,767,698	$999,985	$248.67	$232.43 - $264.88
Q2 2021	3,715,705	$1,003,760	$221.28	$204.65 - $239.67
Q1 2021	3,160,319	$755,506	$192.28	$170.54 - $209.67
Q4 2020	2,110,772	$473,784	$199.71	$184.97 - $217.31
Q3 2020	1,521,327	$367,751	$216.72	$200.88 - $232.60
Q2 2020	1,220,631	$315,582	$210.56	$171.21 - $229.12
Q1 2020	783,685	$170,647	$197.22	$147.72 - $219.16
Q4 2019	766,357	$176,124	$183.82	$171.19 - $195.06
Q3 2019	791,576	$175,041	$183.38	$167.57 - $203.29
Q2 2019	780,490	$159,571	$168.17	$157.69 - $183.80
Q1 2019	783,159	$154,329	$146.03	$128.16 - $164.30
Q4 2018	792,235	$125,324	$129.50	$116.26 - $139.59
Q3 2018	862,037	$125,254	$120.79	$114.07 - $125.11
Q2 2018	865,820	$124,825	$113.83	$109.35 - $119.75
Q1 2018	825,870	$120,032	$114.77	$106.21 - $122.30
Q4 2017	763,770	$108,967	$115.75	$109.97 - $125.87
Q3 2017	780,752	$106,713	$112.31	$105.52 - $119.95
Q2 2017	771,305	$102,059	$102.88	$96.18 - $110.06
Q1 2017	773,135	$93,967	$87.85	$81.86 - $97.31
Q4 2016	771,932	$81,578	$86.33	$79.20 - $93.79
Q3 2016	1,505,434	$170,611	$90.38	$85.02 - $93.47
Q2 2016	1,486,084	$168,834	$83.75	$79.73 - $89.81
Q1 2016	1,406,536	$143,987	$73.16	$65.02 - $80.56
Q4 2015	765,850	$74,249	$75.94	$67.91 - $81.06
Q3 2015	780,066	$68,630	$72.97	$67.60 - $78.65
Q2 2015	786,244	$73,349	$72.97	$70.92 - $75.72
Q1 2015	3,839,015	$361,443	$74.63	$71.55 - $78.20
Q4 2014	4,716,568	$466,233	$75.17	$68.98 - $81.29
Q3 2014	5,920,824	$554,367	$72.53	$67.84 - $76.11
Q2 2014	5,988,076	$538,807	$65.68	$60.55 - $68.85
Q1 2014	6,710,170	$549,362	$61.59	$59.25 - $64.17
Q4 2013	6,080,066	$485,311	$58.52	$53.88 - $61.27
Q3 2013	2,358,240	$174,816	$54.19	$50.94 - $58.77
Q2 2013	2,091,477	$153,033	$59.51	$52.17 - $63.74