AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q4 2025

Shares 559,642 Value ($000) $98,256 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 575,222 Value ($000) $110,627 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 564,402 Value ($000) $124,744 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 614,104 Value ($000) $133,629 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 689,605 Value ($000) $126,480 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 896,227 Value ($000) $206,419 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 954,016 Value ($000) $185,623 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 845,661 Value ($000) $172,684 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 873,141 Value ($000) $189,821 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 624,807 Value ($000) $113,771 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 707,197 Value ($000) $137,239 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 740,297 Value ($000) $151,324 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 775,343 Value ($000) $166,381 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 525,783 Value ($000) $129,285 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 601,038 Value ($000) $154,371 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 1,395,068 Value ($000) $350,036 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 1,713,723 Value ($000) $499,397 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 1,150,396 Value ($000) $310,780 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 1,192,952 Value ($000) $325,665 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 777,612 Value ($000) $187,492 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 863,032 Value ($000) $185,482 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 704,917 Value ($000) $169,892 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 670,158 Value ($000) $177,995 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 748,214 Value ($000) $165,168 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 953,250 Value ($000) $219,075 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 823,100 Value ($000) $182,011 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 531,840 Value ($000) $108,735 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 611,179 Value ($000) $120,439 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 529,307 Value ($000) $83,733 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 796,654 Value ($000) $115,752 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 694,163 Value ($000) $100,076 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 607,214 Value ($000) $88,252 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 869,929 Value ($000) $124,113 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 577,377 Value ($000) $78,916 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 595,117 Value ($000) $78,746 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 484,018 Value ($000) $58,828 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 470,999 Value ($000) $48,169 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 417,583 Value ($000) $47,323 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 371,472 Value ($000) $42,205 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 342,821 Value ($000) $35,095 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 364,452 Value ($000) $35,333 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 383,584 Value ($000) $33,748 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 419,674 Value ($000) $39,153 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 453,625 Value ($000) $42,709 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 442,993 Value ($000) $43,790 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 407,311 Value ($000) $38,136 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 336,434 Value ($000) $30,272 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 164,774 Value ($000) $13,491 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 160,668 Value ($000) $12,825 Avg Close $58.52 Range $53.88 - $61.27

Q3 2013

Shares 159,743 Value ($000) $11,841 Avg Close $54.19 Range $50.94 - $58.77

Q2 2013

Shares 215,935 Value ($000) $15,799 Avg Close $59.51 Range $52.17 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	559,642	$98,256	$180.30	$169.12 - $192.63
Q3 2025	575,222	$110,627	$204.56	$185.10 - $230.04
Q2 2025	564,402	$124,744	$210.37	$190.80 - $225.87
Q1 2025	614,104	$133,629	$189.52	$166.66 - $212.16
Q4 2024	689,605	$126,480	$198.35	$171.45 - $222.90
Q3 2024	896,227	$206,419	$210.79	$182.10 - $231.55
Q2 2024	954,016	$185,623	$176.27	$160.72 - $190.06
Q1 2024	845,661	$172,684	$186.13	$169.29 - $204.74
Q4 2023	873,141	$189,821	$175.15	$141.88 - $204.01
Q3 2023	624,807	$113,771	$167.65	$145.17 - $184.31
Q2 2023	707,197	$137,239	$178.08	$162.53 - $192.95
Q1 2023	740,297	$151,324	$189.59	$171.12 - $212.87
Q4 2022	775,343	$166,381	$186.71	$159.82 - $204.49
Q3 2022	525,783	$129,285	$228.80	$188.24 - $251.54
Q2 2022	601,038	$154,371	$222.20	$196.54 - $240.37
Q1 2022	1,395,068	$350,036	$214.86	$193.72 - $257.60
Q4 2021	1,713,723	$499,397	$239.48	$222.02 - $259.23
Q3 2021	1,150,396	$310,780	$248.67	$232.43 - $264.88
Q2 2021	1,192,952	$325,665	$221.28	$204.65 - $239.67
Q1 2021	777,612	$187,492	$192.28	$170.54 - $209.67
Q4 2020	863,032	$185,482	$199.71	$184.97 - $217.31
Q3 2020	704,917	$169,892	$216.72	$200.88 - $232.60
Q2 2020	670,158	$177,995	$210.56	$171.21 - $229.12
Q1 2020	748,214	$165,168	$197.22	$147.72 - $219.16
Q4 2019	953,250	$219,075	$183.82	$171.19 - $195.06
Q3 2019	823,100	$182,011	$183.38	$167.57 - $203.29
Q2 2019	531,840	$108,735	$168.17	$157.69 - $183.80
Q1 2019	611,179	$120,439	$146.03	$128.16 - $164.30
Q4 2018	529,307	$83,733	$129.50	$116.26 - $139.59
Q3 2018	796,654	$115,752	$120.79	$114.07 - $125.11
Q2 2018	694,163	$100,076	$113.83	$109.35 - $119.75
Q1 2018	607,214	$88,252	$114.77	$106.21 - $122.30
Q4 2017	869,929	$124,113	$115.75	$109.97 - $125.87
Q3 2017	577,377	$78,916	$112.31	$105.52 - $119.95
Q2 2017	595,117	$78,746	$102.88	$96.18 - $110.06
Q1 2017	484,018	$58,828	$87.85	$81.86 - $97.31
Q4 2016	470,999	$48,169	$86.33	$79.20 - $93.79
Q3 2016	417,583	$47,323	$90.38	$85.02 - $93.47
Q2 2016	371,472	$42,205	$83.75	$79.73 - $89.81
Q1 2016	342,821	$35,095	$73.16	$65.02 - $80.56
Q4 2015	364,452	$35,333	$75.94	$67.91 - $81.06
Q3 2015	383,584	$33,748	$72.97	$67.60 - $78.65
Q2 2015	419,674	$39,153	$72.97	$70.92 - $75.72
Q1 2015	453,625	$42,709	$74.63	$71.55 - $78.20
Q4 2014	442,993	$43,790	$75.17	$68.98 - $81.29
Q3 2014	407,311	$38,136	$72.53	$67.84 - $76.11
Q2 2014	336,434	$30,272	$65.68	$60.55 - $68.85
Q1 2014	164,774	$13,491	$61.59	$59.25 - $64.17
Q4 2013	160,668	$12,825	$58.52	$53.88 - $61.27
Q3 2013	159,743	$11,841	$54.19	$50.94 - $58.77
Q2 2013	215,935	$15,799	$59.51	$52.17 - $63.74