AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

GREAT LAKES ADVISORS, LLC's Holding History (CIK: 0001078013)

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

Q4 2025

Shares 431,047 Value ($000) $75,680 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 443,482 Value ($000) $85,291 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 452,841 Value ($000) $100,088 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 463,268 Value ($000) $100,987 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 444,436 Value ($000) $81,514 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 442,631 Value ($000) $102,938 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 432,749 Value ($000) $84,118 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 460,656 Value ($000) $91,021 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 388,895 Value ($000) $83,954 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 514,248 Value ($000) $84,568 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 379,731 Value ($000) $73,645 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 416,479 Value ($000) $85,103 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 23,941 Value ($000) $5,072 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 44,558 Value ($000) $9,568 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 24,757 Value ($000) $6,327 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 24,550 Value ($000) $6,168 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 22,445 Value ($000) $6,565 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 43,536 Value ($000) $11,555 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 23,460 Value ($000) $6,338 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 22,668 Value ($000) $5,419 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 22,828 Value ($000) $5,124 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 28,817 Value ($000) $6,966 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 21,874 Value ($000) $5,656 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 20,738 Value ($000) $4,516 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 21,068 Value ($000) $4,841 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 21,820 Value ($000) $4,826 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 22,446 Value ($000) $4,588 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 22,787 Value ($000) $4,490 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 22,063 Value ($000) $3,490 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 22,498 Value ($000) $3,269 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 22,724 Value ($000) $3,276 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 24,075 Value ($000) $3,499 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 26,653 Value ($000) $3,803 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 26,460 Value ($000) $3,617 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 26,934 Value ($000) $3,564 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 25,997 Value ($000) $3,160 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 26,510 Value ($000) $2,802 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 27,508 Value ($000) $3,117 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 27,547 Value ($000) $3,130 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 27,201 Value ($000) $2,785 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 24,580 Value ($000) $2,383 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 23,616 Value ($000) $2,078 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 19,038 Value ($000) $1,776 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 17,829 Value ($000) $1,679 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 16,409 Value ($000) $1,622 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 14,077 Value ($000) $1,318 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 13,954 Value ($000) $1,256 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 11,117 Value ($000) $910 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 15 Value ($000) $1 Avg Close $58.52 Range $53.88 - $61.27

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	431,047	$75,680	$180.30	$169.12 - $192.63
Q3 2025	443,482	$85,291	$204.56	$185.10 - $230.04
Q2 2025	452,841	$100,088	$210.37	$190.80 - $225.87
Q1 2025	463,268	$100,987	$189.52	$166.66 - $212.16
Q4 2024	444,436	$81,514	$198.35	$171.45 - $222.90
Q3 2024	442,631	$102,938	$210.79	$182.10 - $231.55
Q2 2024	432,749	$84,118	$176.27	$160.72 - $190.06
Q1 2024	460,656	$91,021	$186.13	$169.29 - $204.74
Q4 2023	388,895	$83,954	$175.15	$141.88 - $204.01
Q3 2023	514,248	$84,568	$167.65	$145.17 - $184.31
Q2 2023	379,731	$73,645	$178.08	$162.53 - $192.95
Q1 2023	416,479	$85,103	$189.59	$171.12 - $212.87
Q4 2022	23,941	$5,072	$186.71	$159.82 - $204.49
Q3 2022	44,558	$9,568	$228.80	$188.24 - $251.54
Q2 2022	24,757	$6,327	$222.20	$196.54 - $240.37
Q1 2022	24,550	$6,168	$214.86	$193.72 - $257.60
Q4 2021	22,445	$6,565	$239.48	$222.02 - $259.23
Q3 2021	43,536	$11,555	$248.67	$232.43 - $264.88
Q2 2021	23,460	$6,338	$221.28	$204.65 - $239.67
Q1 2021	22,668	$5,419	$192.28	$170.54 - $209.67
Q4 2020	22,828	$5,124	$199.71	$184.97 - $217.31
Q3 2020	28,817	$6,966	$216.72	$200.88 - $232.60
Q2 2020	21,874	$5,656	$210.56	$171.21 - $229.12
Q1 2020	20,738	$4,516	$197.22	$147.72 - $219.16
Q4 2019	21,068	$4,841	$183.82	$171.19 - $195.06
Q3 2019	21,820	$4,826	$183.38	$167.57 - $203.29
Q2 2019	22,446	$4,588	$168.17	$157.69 - $183.80
Q1 2019	22,787	$4,490	$146.03	$128.16 - $164.30
Q4 2018	22,063	$3,490	$129.50	$116.26 - $139.59
Q3 2018	22,498	$3,269	$120.79	$114.07 - $125.11
Q2 2018	22,724	$3,276	$113.83	$109.35 - $119.75
Q1 2018	24,075	$3,499	$114.77	$106.21 - $122.30
Q4 2017	26,653	$3,803	$115.75	$109.97 - $125.87
Q3 2017	26,460	$3,617	$112.31	$105.52 - $119.95
Q2 2017	26,934	$3,564	$102.88	$96.18 - $110.06
Q1 2017	25,997	$3,160	$87.85	$81.86 - $97.31
Q4 2016	26,510	$2,802	$86.33	$79.20 - $93.79
Q3 2016	27,508	$3,117	$90.38	$85.02 - $93.47
Q2 2016	27,547	$3,130	$83.75	$79.73 - $89.81
Q1 2016	27,201	$2,785	$73.16	$65.02 - $80.56
Q4 2015	24,580	$2,383	$75.94	$67.91 - $81.06
Q3 2015	23,616	$2,078	$72.97	$67.60 - $78.65
Q2 2015	19,038	$1,776	$72.97	$70.92 - $75.72
Q1 2015	17,829	$1,679	$74.63	$71.55 - $78.20
Q4 2014	16,409	$1,622	$75.17	$68.98 - $81.29
Q3 2014	14,077	$1,318	$72.53	$67.84 - $76.11
Q2 2014	13,954	$1,256	$65.68	$60.55 - $68.85
Q1 2014	11,117	$910	$61.59	$59.25 - $64.17
Q4 2013	15	$1	$58.52	$53.88 - $61.27