AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

OPPENHEIMER & CO INC's Holding History (CIK: 0000822581)

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

Q4 2025

Shares 39,203 Value ($000) $6,883 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 39,830 Value ($000) $7,660 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 42,409 Value ($000) $9,373 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 51,075 Value ($000) $11,114 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 47,024 Value ($000) $8,625 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 47,754 Value ($000) $11,106 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 73,364 Value ($000) $14,260 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 55,576 Value ($000) $10,981 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 47,222 Value ($000) $10,194 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 47,760 Value ($000) $7,854 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 48,064 Value ($000) $9,322 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 49,709 Value ($000) $10,158 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 43,926 Value ($000) $9,306 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 49,049 Value ($000) $10,531 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 50,213 Value ($000) $12,834 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 58,846 Value ($000) $14,783 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 58,390 Value ($000) $17,080 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 56,913 Value ($000) $15,105 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 70,915 Value ($000) $19,157 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 70,227 Value ($000) $16,789 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 60,314 Value ($000) $13,539 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 56,566 Value ($000) $13,673 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 54,044 Value ($000) $13,973 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 59,796 Value ($000) $13,021 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 58,454 Value ($000) $13,434 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 52,942 Value ($000) $11,707 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 50,967 Value ($000) $10,420 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 53,918 Value ($000) $10,625 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 55,194 Value ($000) $8,731 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 58,122 Value ($000) $8,446 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 53,891 Value ($000) $7,769 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 58,849 Value ($000) $8,554 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 60,195 Value ($000) $8,588 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 71,491 Value ($000) $9,771 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 81,470 Value ($000) $10,780 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 61,248 Value ($000) $7,444 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 48,221 Value ($000) $5,096 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 47,195 Value ($000) $5,348 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 47,298 Value ($000) $5,374 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 48,587 Value ($000) $4,973 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 58,665 Value ($000) $5,687 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 63,444 Value ($000) $5,582 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 60,549 Value ($000) $5,649 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 63,174 Value ($000) $5,948 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 61,159 Value ($000) $6,046 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 53,909 Value ($000) $5,047 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 74,751 Value ($000) $6,726 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 73,835 Value ($000) $6,045 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 75,565 Value ($000) $6,032 Avg Close $58.52 Range $53.88 - $61.27

Q3 2013

Shares 66,638 Value ($000) $4,940 Avg Close $54.19 Range $50.94 - $58.77

Q2 2013

Shares 58,290 Value ($000) $4,265 Avg Close $59.51 Range $52.17 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	39,203	$6,883	$180.30	$169.12 - $192.63
Q3 2025	39,830	$7,660	$204.56	$185.10 - $230.04
Q2 2025	42,409	$9,373	$210.37	$190.80 - $225.87
Q1 2025	51,075	$11,114	$189.52	$166.66 - $212.16
Q4 2024	47,024	$8,625	$198.35	$171.45 - $222.90
Q3 2024	47,754	$11,106	$210.79	$182.10 - $231.55
Q2 2024	73,364	$14,260	$176.27	$160.72 - $190.06
Q1 2024	55,576	$10,981	$186.13	$169.29 - $204.74
Q4 2023	47,222	$10,194	$175.15	$141.88 - $204.01
Q3 2023	47,760	$7,854	$167.65	$145.17 - $184.31
Q2 2023	48,064	$9,322	$178.08	$162.53 - $192.95
Q1 2023	49,709	$10,158	$189.59	$171.12 - $212.87
Q4 2022	43,926	$9,306	$186.71	$159.82 - $204.49
Q3 2022	49,049	$10,531	$228.80	$188.24 - $251.54
Q2 2022	50,213	$12,834	$222.20	$196.54 - $240.37
Q1 2022	58,846	$14,783	$214.86	$193.72 - $257.60
Q4 2021	58,390	$17,080	$239.48	$222.02 - $259.23
Q3 2021	56,913	$15,105	$248.67	$232.43 - $264.88
Q2 2021	70,915	$19,157	$221.28	$204.65 - $239.67
Q1 2021	70,227	$16,789	$192.28	$170.54 - $209.67
Q4 2020	60,314	$13,539	$199.71	$184.97 - $217.31
Q3 2020	56,566	$13,673	$216.72	$200.88 - $232.60
Q2 2020	54,044	$13,973	$210.56	$171.21 - $229.12
Q1 2020	59,796	$13,021	$197.22	$147.72 - $219.16
Q4 2019	58,454	$13,434	$183.82	$171.19 - $195.06
Q3 2019	52,942	$11,707	$183.38	$167.57 - $203.29
Q2 2019	50,967	$10,420	$168.17	$157.69 - $183.80
Q1 2019	53,918	$10,625	$146.03	$128.16 - $164.30
Q4 2018	55,194	$8,731	$129.50	$116.26 - $139.59
Q3 2018	58,122	$8,446	$120.79	$114.07 - $125.11
Q2 2018	53,891	$7,769	$113.83	$109.35 - $119.75
Q1 2018	58,849	$8,554	$114.77	$106.21 - $122.30
Q4 2017	60,195	$8,588	$115.75	$109.97 - $125.87
Q3 2017	71,491	$9,771	$112.31	$105.52 - $119.95
Q2 2017	81,470	$10,780	$102.88	$96.18 - $110.06
Q1 2017	61,248	$7,444	$87.85	$81.86 - $97.31
Q4 2016	48,221	$5,096	$86.33	$79.20 - $93.79
Q3 2016	47,195	$5,348	$90.38	$85.02 - $93.47
Q2 2016	47,298	$5,374	$83.75	$79.73 - $89.81
Q1 2016	48,587	$4,973	$73.16	$65.02 - $80.56
Q4 2015	58,665	$5,687	$75.94	$67.91 - $81.06
Q3 2015	63,444	$5,582	$72.97	$67.60 - $78.65
Q2 2015	60,549	$5,649	$72.97	$70.92 - $75.72
Q1 2015	63,174	$5,948	$74.63	$71.55 - $78.20
Q4 2014	61,159	$6,046	$75.17	$68.98 - $81.29
Q3 2014	53,909	$5,047	$72.53	$67.84 - $76.11
Q2 2014	74,751	$6,726	$65.68	$60.55 - $68.85
Q1 2014	73,835	$6,045	$61.59	$59.25 - $64.17
Q4 2013	75,565	$6,032	$58.52	$53.88 - $61.27
Q3 2013	66,638	$4,940	$54.19	$50.94 - $58.77
Q2 2013	58,290	$4,265	$59.51	$52.17 - $63.74