AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

MIDDLETON & CO INC/MA's Holding History (CIK: 0000919497)

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

Q4 2025

Shares 51,372 Value ($000) $9,019 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 54,318 Value ($000) $10,446 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 55,972 Value ($000) $12,371 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 57,672 Value ($000) $12,549 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 58,411 Value ($000) $10,713 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 60,030 Value ($000) $13,961 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 61,087 Value ($000) $11,874 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 63,167 Value ($000) $12,481 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 64,818 Value ($000) $13,993 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 65,492 Value ($000) $10,770 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 65,679 Value ($000) $12,738 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 66,671 Value ($000) $13,624 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 66,627 Value ($000) $14,116 Avg Close $186.71 Range $159.82 - $204.49

Q2 2022

Shares 75,694 Value ($000) $19,347 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 76,320 Value ($000) $19,173 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 75,997 Value ($000) $22,229 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 75,789 Value ($000) $20,115 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 76,301 Value ($000) $20,612 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 81,645 Value ($000) $19,518 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 79,789 Value ($000) $17,909 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 71,359 Value ($000) $17,250 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 70,968 Value ($000) $18,348 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 69,859 Value ($000) $15,212 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 69,934 Value ($000) $16,072 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 64,541 Value ($000) $14,272 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 66,739 Value ($000) $13,645 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 68,455 Value ($000) $13,490 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 70,624 Value ($000) $11,172 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 71,689 Value ($000) $10,416 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 69,161 Value ($000) $9,971 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 67,445 Value ($000) $9,802 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 71,511 Value ($000) $10,202 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 70,843 Value ($000) $9,683 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 69,225 Value ($000) $9,160 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 54,610 Value ($000) $6,637 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 38,625 Value ($000) $4,082 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 33,414 Value ($000) $3,787 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 28,899 Value ($000) $3,283 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 28,526 Value ($000) $2,920 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 28,426 Value ($000) $2,756 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 27,151 Value ($000) $2,389 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 26,751 Value ($000) $2,496 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 26,475 Value ($000) $2,493 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 28,317 Value ($000) $2,799 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 28,278 Value ($000) $2,648 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 28,453 Value ($000) $2,560 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 28,453 Value ($000) $2,329 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 29,018 Value ($000) $2,316 Avg Close $58.52 Range $53.88 - $61.27

Q3 2013

Shares 27,318 Value ($000) $2,025 Avg Close $54.19 Range $50.94 - $58.77

Q2 2013

Shares 22,378 Value ($000) $1,637 Avg Close $59.51 Range $52.17 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	51,372	$9,019	$180.30	$169.12 - $192.63
Q3 2025	54,318	$10,446	$204.56	$185.10 - $230.04
Q2 2025	55,972	$12,371	$210.37	$190.80 - $225.87
Q1 2025	57,672	$12,549	$189.52	$166.66 - $212.16
Q4 2024	58,411	$10,713	$198.35	$171.45 - $222.90
Q3 2024	60,030	$13,961	$210.79	$182.10 - $231.55
Q2 2024	61,087	$11,874	$176.27	$160.72 - $190.06
Q1 2024	63,167	$12,481	$186.13	$169.29 - $204.74
Q4 2023	64,818	$13,993	$175.15	$141.88 - $204.01
Q3 2023	65,492	$10,770	$167.65	$145.17 - $184.31
Q2 2023	65,679	$12,738	$178.08	$162.53 - $192.95
Q1 2023	66,671	$13,624	$189.59	$171.12 - $212.87
Q4 2022	66,627	$14,116	$186.71	$159.82 - $204.49
Q2 2022	75,694	$19,347	$222.20	$196.54 - $240.37
Q1 2022	76,320	$19,173	$214.86	$193.72 - $257.60
Q4 2021	75,997	$22,229	$239.48	$222.02 - $259.23
Q3 2021	75,789	$20,115	$248.67	$232.43 - $264.88
Q2 2021	76,301	$20,612	$221.28	$204.65 - $239.67
Q1 2021	81,645	$19,518	$192.28	$170.54 - $209.67
Q4 2020	79,789	$17,909	$199.71	$184.97 - $217.31
Q3 2020	71,359	$17,250	$216.72	$200.88 - $232.60
Q2 2020	70,968	$18,348	$210.56	$171.21 - $229.12
Q1 2020	69,859	$15,212	$197.22	$147.72 - $219.16
Q4 2019	69,934	$16,072	$183.82	$171.19 - $195.06
Q3 2019	64,541	$14,272	$183.38	$167.57 - $203.29
Q2 2019	66,739	$13,645	$168.17	$157.69 - $183.80
Q1 2019	68,455	$13,490	$146.03	$128.16 - $164.30
Q4 2018	70,624	$11,172	$129.50	$116.26 - $139.59
Q3 2018	71,689	$10,416	$120.79	$114.07 - $125.11
Q2 2018	69,161	$9,971	$113.83	$109.35 - $119.75
Q1 2018	67,445	$9,802	$114.77	$106.21 - $122.30
Q4 2017	71,511	$10,202	$115.75	$109.97 - $125.87
Q3 2017	70,843	$9,683	$112.31	$105.52 - $119.95
Q2 2017	69,225	$9,160	$102.88	$96.18 - $110.06
Q1 2017	54,610	$6,637	$87.85	$81.86 - $97.31
Q4 2016	38,625	$4,082	$86.33	$79.20 - $93.79
Q3 2016	33,414	$3,787	$90.38	$85.02 - $93.47
Q2 2016	28,899	$3,283	$83.75	$79.73 - $89.81
Q1 2016	28,526	$2,920	$73.16	$65.02 - $80.56
Q4 2015	28,426	$2,756	$75.94	$67.91 - $81.06
Q3 2015	27,151	$2,389	$72.97	$67.60 - $78.65
Q2 2015	26,751	$2,496	$72.97	$70.92 - $75.72
Q1 2015	26,475	$2,493	$74.63	$71.55 - $78.20
Q4 2014	28,317	$2,799	$75.17	$68.98 - $81.29
Q3 2014	28,278	$2,648	$72.53	$67.84 - $76.11
Q2 2014	28,453	$2,560	$65.68	$60.55 - $68.85
Q1 2014	28,453	$2,329	$61.59	$59.25 - $64.17
Q4 2013	29,018	$2,316	$58.52	$53.88 - $61.27
Q3 2013	27,318	$2,025	$54.19	$50.94 - $58.77
Q2 2013	22,378	$1,637	$59.51	$52.17 - $63.74