AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

CONNING INC.'s Holding History (CIK: 0000801051)

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

Q4 2025

Shares 2,551 Value ($000) $448 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 3,104 Value ($000) $597 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 3,104 Value ($000) $686 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 3,199 Value ($000) $696 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 3,199 Value ($000) $587 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 3,259 Value ($000) $758 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 3,282 Value ($000) $638 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 3,246 Value ($000) $641 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 3,316 Value ($000) $716 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 3,306 Value ($000) $544 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 3,336 Value ($000) $647 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 3,726 Value ($000) $761 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 3,753 Value ($000) $795 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 3,772 Value ($000) $810 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 4,144 Value ($000) $1,059 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 4,159 Value ($000) $1,045 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 4,604 Value ($000) $1,347 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 5,062 Value ($000) $1,344 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 5,292 Value ($000) $1,430 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 6,049 Value ($000) $1,446 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 6,579 Value ($000) $1,477 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 6,669 Value ($000) $1,612 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 6,589 Value ($000) $1,704 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 6,905 Value ($000) $1,504 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 7,062 Value ($000) $1,623 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 7,322 Value ($000) $1,619 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 7,342 Value ($000) $1,501 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 10,652 Value ($000) $2,099 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 10,592 Value ($000) $1,676 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 11,442 Value ($000) $1,663 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 11,952 Value ($000) $1,723 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 12,022 Value ($000) $1,747 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 12,192 Value ($000) $1,739 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 12,372 Value ($000) $1,691 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 12,472 Value ($000) $1,650 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 12,467 Value ($000) $1,515 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 12,697 Value ($000) $1,342 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 12,627 Value ($000) $1,431 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 12,197 Value ($000) $1,386 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 12,187 Value ($000) $1,248 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 11,967 Value ($000) $1,160 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 12,437 Value ($000) $1,094 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 13,497 Value ($000) $1,259 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 13,487 Value ($000) $1,270 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 13,317 Value ($000) $1,316 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 13,607 Value ($000) $1,274 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 13,767 Value ($000) $1,239 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 14,487 Value ($000) $1,186 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 13,947 Value ($000) $1,113 Avg Close $58.52 Range $53.88 - $61.27

Q3 2013

Shares 11,897 Value ($000) $882 Avg Close $54.19 Range $50.94 - $58.77

Q2 2013

Shares 11,667 Value ($000) $854 Avg Close $59.51 Range $52.17 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	2,551	$448	$180.30	$169.12 - $192.63
Q3 2025	3,104	$597	$204.56	$185.10 - $230.04
Q2 2025	3,104	$686	$210.37	$190.80 - $225.87
Q1 2025	3,199	$696	$189.52	$166.66 - $212.16
Q4 2024	3,199	$587	$198.35	$171.45 - $222.90
Q3 2024	3,259	$758	$210.79	$182.10 - $231.55
Q2 2024	3,282	$638	$176.27	$160.72 - $190.06
Q1 2024	3,246	$641	$186.13	$169.29 - $204.74
Q4 2023	3,316	$716	$175.15	$141.88 - $204.01
Q3 2023	3,306	$544	$167.65	$145.17 - $184.31
Q2 2023	3,336	$647	$178.08	$162.53 - $192.95
Q1 2023	3,726	$761	$189.59	$171.12 - $212.87
Q4 2022	3,753	$795	$186.71	$159.82 - $204.49
Q3 2022	3,772	$810	$228.80	$188.24 - $251.54
Q2 2022	4,144	$1,059	$222.20	$196.54 - $240.37
Q1 2022	4,159	$1,045	$214.86	$193.72 - $257.60
Q4 2021	4,604	$1,347	$239.48	$222.02 - $259.23
Q3 2021	5,062	$1,344	$248.67	$232.43 - $264.88
Q2 2021	5,292	$1,430	$221.28	$204.65 - $239.67
Q1 2021	6,049	$1,446	$192.28	$170.54 - $209.67
Q4 2020	6,579	$1,477	$199.71	$184.97 - $217.31
Q3 2020	6,669	$1,612	$216.72	$200.88 - $232.60
Q2 2020	6,589	$1,704	$210.56	$171.21 - $229.12
Q1 2020	6,905	$1,504	$197.22	$147.72 - $219.16
Q4 2019	7,062	$1,623	$183.82	$171.19 - $195.06
Q3 2019	7,322	$1,619	$183.38	$167.57 - $203.29
Q2 2019	7,342	$1,501	$168.17	$157.69 - $183.80
Q1 2019	10,652	$2,099	$146.03	$128.16 - $164.30
Q4 2018	10,592	$1,676	$129.50	$116.26 - $139.59
Q3 2018	11,442	$1,663	$120.79	$114.07 - $125.11
Q2 2018	11,952	$1,723	$113.83	$109.35 - $119.75
Q1 2018	12,022	$1,747	$114.77	$106.21 - $122.30
Q4 2017	12,192	$1,739	$115.75	$109.97 - $125.87
Q3 2017	12,372	$1,691	$112.31	$105.52 - $119.95
Q2 2017	12,472	$1,650	$102.88	$96.18 - $110.06
Q1 2017	12,467	$1,515	$87.85	$81.86 - $97.31
Q4 2016	12,697	$1,342	$86.33	$79.20 - $93.79
Q3 2016	12,627	$1,431	$90.38	$85.02 - $93.47
Q2 2016	12,197	$1,386	$83.75	$79.73 - $89.81
Q1 2016	12,187	$1,248	$73.16	$65.02 - $80.56
Q4 2015	11,967	$1,160	$75.94	$67.91 - $81.06
Q3 2015	12,437	$1,094	$72.97	$67.60 - $78.65
Q2 2015	13,497	$1,259	$72.97	$70.92 - $75.72
Q1 2015	13,487	$1,270	$74.63	$71.55 - $78.20
Q4 2014	13,317	$1,316	$75.17	$68.98 - $81.29
Q3 2014	13,607	$1,274	$72.53	$67.84 - $76.11
Q2 2014	13,767	$1,239	$65.68	$60.55 - $68.85
Q1 2014	14,487	$1,186	$61.59	$59.25 - $64.17
Q4 2013	13,947	$1,113	$58.52	$53.88 - $61.27
Q3 2013	11,897	$882	$54.19	$50.94 - $58.77
Q2 2013	11,667	$854	$59.51	$52.17 - $63.74