AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

FIRST MANHATTAN CO. LLC.'s Holding History (CIK: 0000728083)

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

Q4 2025

Shares 200,674 Value ($000) $35,573 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 208,822 Value ($000) $40,516 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 220,868 Value ($000) $49,190 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 219,514 Value ($000) $47,766 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 210,268 Value ($000) $41,875 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 192,744 Value ($000) $44,825 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 191,301 Value ($000) $37,473 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 113,778 Value ($000) $22,481 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 486,708 Value ($000) $103,414 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 555,006 Value ($000) $91,271 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 708,575 Value ($000) $137,421 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 811,991 Value ($000) $165,922 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 796,063 Value ($000) $168,654 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 752,129 Value ($000) $161,482 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 671,060 Value ($000) $171,516 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 629,513 Value ($000) $158,146 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 618,930 Value ($000) $181,037 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 590,946 Value ($000) $156,842 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 584,651 Value ($000) $157,937 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 578,450 Value ($000) $138,284 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 339,244 Value ($000) $76,146 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 1,196 Value ($000) $289 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 1,185 Value ($000) $306 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 1,287 Value ($000) $280 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 1,276 Value ($000) $293 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 1,267 Value ($000) $280 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 1,229 Value ($000) $251 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 1,169 Value ($000) $230 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 619 Value ($000) $97 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 601 Value ($000) $87 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 601 Value ($000) $86 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 740 Value ($000) $107 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 516 Value ($000) $73 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 565 Value ($000) $77 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 427 Value ($000) $56 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 378 Value ($000) $45 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 378 Value ($000) $39 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 396 Value ($000) $44 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 396 Value ($000) $44 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 396 Value ($000) $40 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 796 Value ($000) $77 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 295 Value ($000) $25 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 96 Value ($000) $8 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 18 Value ($000) $1 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 418 Value ($000) $41 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 18 Value ($000) $1 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 18 Value ($000) $1 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 18 Value ($000) $1 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 18 Value ($000) $1 Avg Close $58.52 Range $53.88 - $61.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	200,674	$35,573	$180.30	$169.12 - $192.63
Q3 2025	208,822	$40,516	$204.56	$185.10 - $230.04
Q2 2025	220,868	$49,190	$210.37	$190.80 - $225.87
Q1 2025	219,514	$47,766	$189.52	$166.66 - $212.16
Q4 2024	210,268	$41,875	$198.35	$171.45 - $222.90
Q3 2024	192,744	$44,825	$210.79	$182.10 - $231.55
Q2 2024	191,301	$37,473	$176.27	$160.72 - $190.06
Q1 2024	113,778	$22,481	$186.13	$169.29 - $204.74
Q4 2023	486,708	$103,414	$175.15	$141.88 - $204.01
Q3 2023	555,006	$91,271	$167.65	$145.17 - $184.31
Q2 2023	708,575	$137,421	$178.08	$162.53 - $192.95
Q1 2023	811,991	$165,922	$189.59	$171.12 - $212.87
Q4 2022	796,063	$168,654	$186.71	$159.82 - $204.49
Q3 2022	752,129	$161,482	$228.80	$188.24 - $251.54
Q2 2022	671,060	$171,516	$222.20	$196.54 - $240.37
Q1 2022	629,513	$158,146	$214.86	$193.72 - $257.60
Q4 2021	618,930	$181,037	$239.48	$222.02 - $259.23
Q3 2021	590,946	$156,842	$248.67	$232.43 - $264.88
Q2 2021	584,651	$157,937	$221.28	$204.65 - $239.67
Q1 2021	578,450	$138,284	$192.28	$170.54 - $209.67
Q4 2020	339,244	$76,146	$199.71	$184.97 - $217.31
Q3 2020	1,196	$289	$216.72	$200.88 - $232.60
Q2 2020	1,185	$306	$210.56	$171.21 - $229.12
Q1 2020	1,287	$280	$197.22	$147.72 - $219.16
Q4 2019	1,276	$293	$183.82	$171.19 - $195.06
Q3 2019	1,267	$280	$183.38	$167.57 - $203.29
Q2 2019	1,229	$251	$168.17	$157.69 - $183.80
Q1 2019	1,169	$230	$146.03	$128.16 - $164.30
Q4 2018	619	$97	$129.50	$116.26 - $139.59
Q3 2018	601	$87	$120.79	$114.07 - $125.11
Q2 2018	601	$86	$113.83	$109.35 - $119.75
Q1 2018	740	$107	$114.77	$106.21 - $122.30
Q4 2017	516	$73	$115.75	$109.97 - $125.87
Q3 2017	565	$77	$112.31	$105.52 - $119.95
Q2 2017	427	$56	$102.88	$96.18 - $110.06
Q1 2017	378	$45	$87.85	$81.86 - $97.31
Q4 2016	378	$39	$86.33	$79.20 - $93.79
Q3 2016	396	$44	$90.38	$85.02 - $93.47
Q2 2016	396	$44	$83.75	$79.73 - $89.81
Q1 2016	396	$40	$73.16	$65.02 - $80.56
Q4 2015	796	$77	$75.94	$67.91 - $81.06
Q3 2015	295	$25	$72.97	$67.60 - $78.65
Q2 2015	96	$8	$72.97	$70.92 - $75.72
Q1 2015	18	$1	$74.63	$71.55 - $78.20
Q4 2014	418	$41	$75.17	$68.98 - $81.29
Q3 2014	18	$1	$72.53	$67.84 - $76.11
Q2 2014	18	$1	$65.68	$60.55 - $68.85
Q1 2014	18	$1	$61.59	$59.25 - $64.17
Q4 2013	18	$1	$58.52	$53.88 - $61.27