AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

KLINGENSTEIN FIELDS & CO LP's Holding History (CIK: 0000859872)

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

Q4 2025

Shares 45,400 Value ($000) $7,971 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 134,983 Value ($000) $25,960 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 136,497 Value ($000) $30,169 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 139,072 Value ($000) $30,262 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 138,774 Value ($000) $25,453 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 139,657 Value ($000) $32,479 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 139,063 Value ($000) $27,031 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 141,378 Value ($000) $27,935 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 143,371 Value ($000) $30,951 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 143,393 Value ($000) $23,581 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 152,599 Value ($000) $29,595 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 153,574 Value ($000) $31,381 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 155,474 Value ($000) $32,939 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 155,380 Value ($000) $33,361 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 155,272 Value ($000) $39,687 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 155,185 Value ($000) $38,985 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 154,840 Value ($000) $45,291 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 155,931 Value ($000) $41,386 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 157,256 Value ($000) $42,481 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 156,305 Value ($000) $37,367 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 158,806 Value ($000) $35,645 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 156,035 Value ($000) $37,718 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 154,546 Value ($000) $39,957 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 153,178 Value ($000) $33,354 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 125,403 Value ($000) $28,820 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 128,984 Value ($000) $28,522 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 131,120 Value ($000) $26,808 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 140,054 Value ($000) $27,599 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 267,851 Value ($000) $42,372 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 272,121 Value ($000) $39,539 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 272,056 Value ($000) $39,222 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 272,302 Value ($000) $39,576 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 269,655 Value ($000) $38,471 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 271,583 Value ($000) $37,120 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 272,969 Value ($000) $36,119 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 276,479 Value ($000) $33,603 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 276,866 Value ($000) $29,259 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 269,769 Value ($000) $30,573 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 270,631 Value ($000) $30,746 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 269,538 Value ($000) $27,592 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 280,063 Value ($000) $27,152 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 283,792 Value ($000) $24,968 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 306,872 Value ($000) $28,628 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 307,742 Value ($000) $28,974 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 291,107 Value ($000) $28,776 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 301,002 Value ($000) $28,183 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 301,347 Value ($000) $27,115 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 302,832 Value ($000) $24,793 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 300,272 Value ($000) $23,968 Avg Close $58.52 Range $53.88 - $61.27

Q3 2013

Shares 285,277 Value ($000) $21,147 Avg Close $54.19 Range $50.94 - $58.77

Q2 2013

Shares 285,977 Value ($000) $20,924 Avg Close $59.51 Range $52.17 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	45,400	$7,971	$180.30	$169.12 - $192.63
Q3 2025	134,983	$25,960	$204.56	$185.10 - $230.04
Q2 2025	136,497	$30,169	$210.37	$190.80 - $225.87
Q1 2025	139,072	$30,262	$189.52	$166.66 - $212.16
Q4 2024	138,774	$25,453	$198.35	$171.45 - $222.90
Q3 2024	139,657	$32,479	$210.79	$182.10 - $231.55
Q2 2024	139,063	$27,031	$176.27	$160.72 - $190.06
Q1 2024	141,378	$27,935	$186.13	$169.29 - $204.74
Q4 2023	143,371	$30,951	$175.15	$141.88 - $204.01
Q3 2023	143,393	$23,581	$167.65	$145.17 - $184.31
Q2 2023	152,599	$29,595	$178.08	$162.53 - $192.95
Q1 2023	153,574	$31,381	$189.59	$171.12 - $212.87
Q4 2022	155,474	$32,939	$186.71	$159.82 - $204.49
Q3 2022	155,380	$33,361	$228.80	$188.24 - $251.54
Q2 2022	155,272	$39,687	$222.20	$196.54 - $240.37
Q1 2022	155,185	$38,985	$214.86	$193.72 - $257.60
Q4 2021	154,840	$45,291	$239.48	$222.02 - $259.23
Q3 2021	155,931	$41,386	$248.67	$232.43 - $264.88
Q2 2021	157,256	$42,481	$221.28	$204.65 - $239.67
Q1 2021	156,305	$37,367	$192.28	$170.54 - $209.67
Q4 2020	158,806	$35,645	$199.71	$184.97 - $217.31
Q3 2020	156,035	$37,718	$216.72	$200.88 - $232.60
Q2 2020	154,546	$39,957	$210.56	$171.21 - $229.12
Q1 2020	153,178	$33,354	$197.22	$147.72 - $219.16
Q4 2019	125,403	$28,820	$183.82	$171.19 - $195.06
Q3 2019	128,984	$28,522	$183.38	$167.57 - $203.29
Q2 2019	131,120	$26,808	$168.17	$157.69 - $183.80
Q1 2019	140,054	$27,599	$146.03	$128.16 - $164.30
Q4 2018	267,851	$42,372	$129.50	$116.26 - $139.59
Q3 2018	272,121	$39,539	$120.79	$114.07 - $125.11
Q2 2018	272,056	$39,222	$113.83	$109.35 - $119.75
Q1 2018	272,302	$39,576	$114.77	$106.21 - $122.30
Q4 2017	269,655	$38,471	$115.75	$109.97 - $125.87
Q3 2017	271,583	$37,120	$112.31	$105.52 - $119.95
Q2 2017	272,969	$36,119	$102.88	$96.18 - $110.06
Q1 2017	276,479	$33,603	$87.85	$81.86 - $97.31
Q4 2016	276,866	$29,259	$86.33	$79.20 - $93.79
Q3 2016	269,769	$30,573	$90.38	$85.02 - $93.47
Q2 2016	270,631	$30,746	$83.75	$79.73 - $89.81
Q1 2016	269,538	$27,592	$73.16	$65.02 - $80.56
Q4 2015	280,063	$27,152	$75.94	$67.91 - $81.06
Q3 2015	283,792	$24,968	$72.97	$67.60 - $78.65
Q2 2015	306,872	$28,628	$72.97	$70.92 - $75.72
Q1 2015	307,742	$28,974	$74.63	$71.55 - $78.20
Q4 2014	291,107	$28,776	$75.17	$68.98 - $81.29
Q3 2014	301,002	$28,183	$72.53	$67.84 - $76.11
Q2 2014	301,347	$27,115	$65.68	$60.55 - $68.85
Q1 2014	302,832	$24,793	$61.59	$59.25 - $64.17
Q4 2013	300,272	$23,968	$58.52	$53.88 - $61.27
Q3 2013	285,277	$21,147	$54.19	$50.94 - $58.77
Q2 2013	285,977	$20,924	$59.51	$52.17 - $63.74