AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

BOSTON FAMILY OFFICE LLC's Holding History (CIK: 0001039807)

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

Q4 2025

Shares 122,175 Value ($000) $21 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 123,305 Value ($000) $24 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 125,846 Value ($000) $28 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 126,584 Value ($000) $28 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 127,574 Value ($000) $23 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 129,482 Value ($000) $30 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 129,625 Value ($000) $25 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 129,414 Value ($000) $26 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 130,209 Value ($000) $28 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 132,107 Value ($000) $22 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 117,839 Value ($000) $23 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 114,850 Value ($000) $23 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 113,887 Value ($000) $24 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 114,567 Value ($000) $24,598 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 113,851 Value ($000) $29,099 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 111,659 Value ($000) $28,051 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 111,649 Value ($000) $32,657 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 111,467 Value ($000) $29,584 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 111,073 Value ($000) $30,005 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 110,447 Value ($000) $26,354 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 107,188 Value ($000) $24,058 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 106,769 Value ($000) $25,809 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 106,479 Value ($000) $27,529 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 108,005 Value ($000) $23,518 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 118,285 Value ($000) $27,184 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 119,113 Value ($000) $26,339 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 119,654 Value ($000) $24,463 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 120,310 Value ($000) $23,708 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 131,317 Value ($000) $20,773 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 131,988 Value ($000) $19,178 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 131,167 Value ($000) $18,910 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 123,968 Value ($000) $18,018 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 123,250 Value ($000) $17,584 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 123,717 Value ($000) $16,910 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 122,238 Value ($000) $16,175 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 120,787 Value ($000) $14,680 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 122,942 Value ($000) $12,993 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 125,427 Value ($000) $14,215 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 125,956 Value ($000) $14,310 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 126,015 Value ($000) $12,900 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 120,687 Value ($000) $11,701 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 119,397 Value ($000) $10,505 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 117,501 Value ($000) $10,962 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 103,599 Value ($000) $9,754 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 100,437 Value ($000) $9,928 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 100,622 Value ($000) $9,421 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 99,470 Value ($000) $8,950 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 100,623 Value ($000) $8,238 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 100,967 Value ($000) $8,059 Avg Close $58.52 Range $53.88 - $61.27

Q3 2013

Shares 107,606 Value ($000) $7,977 Avg Close $54.19 Range $50.94 - $58.77

Q2 2013

Shares 109,380 Value ($000) $8,003 Avg Close $59.51 Range $52.17 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	122,175	$21	$180.30	$169.12 - $192.63
Q3 2025	123,305	$24	$204.56	$185.10 - $230.04
Q2 2025	125,846	$28	$210.37	$190.80 - $225.87
Q1 2025	126,584	$28	$189.52	$166.66 - $212.16
Q4 2024	127,574	$23	$198.35	$171.45 - $222.90
Q3 2024	129,482	$30	$210.79	$182.10 - $231.55
Q2 2024	129,625	$25	$176.27	$160.72 - $190.06
Q1 2024	129,414	$26	$186.13	$169.29 - $204.74
Q4 2023	130,209	$28	$175.15	$141.88 - $204.01
Q3 2023	132,107	$22	$167.65	$145.17 - $184.31
Q2 2023	117,839	$23	$178.08	$162.53 - $192.95
Q1 2023	114,850	$23	$189.59	$171.12 - $212.87
Q4 2022	113,887	$24	$186.71	$159.82 - $204.49
Q3 2022	114,567	$24,598	$228.80	$188.24 - $251.54
Q2 2022	113,851	$29,099	$222.20	$196.54 - $240.37
Q1 2022	111,659	$28,051	$214.86	$193.72 - $257.60
Q4 2021	111,649	$32,657	$239.48	$222.02 - $259.23
Q3 2021	111,467	$29,584	$248.67	$232.43 - $264.88
Q2 2021	111,073	$30,005	$221.28	$204.65 - $239.67
Q1 2021	110,447	$26,354	$192.28	$170.54 - $209.67
Q4 2020	107,188	$24,058	$199.71	$184.97 - $217.31
Q3 2020	106,769	$25,809	$216.72	$200.88 - $232.60
Q2 2020	106,479	$27,529	$210.56	$171.21 - $229.12
Q1 2020	108,005	$23,518	$197.22	$147.72 - $219.16
Q4 2019	118,285	$27,184	$183.82	$171.19 - $195.06
Q3 2019	119,113	$26,339	$183.38	$167.57 - $203.29
Q2 2019	119,654	$24,463	$168.17	$157.69 - $183.80
Q1 2019	120,310	$23,708	$146.03	$128.16 - $164.30
Q4 2018	131,317	$20,773	$129.50	$116.26 - $139.59
Q3 2018	131,988	$19,178	$120.79	$114.07 - $125.11
Q2 2018	131,167	$18,910	$113.83	$109.35 - $119.75
Q1 2018	123,968	$18,018	$114.77	$106.21 - $122.30
Q4 2017	123,250	$17,584	$115.75	$109.97 - $125.87
Q3 2017	123,717	$16,910	$112.31	$105.52 - $119.95
Q2 2017	122,238	$16,175	$102.88	$96.18 - $110.06
Q1 2017	120,787	$14,680	$87.85	$81.86 - $97.31
Q4 2016	122,942	$12,993	$86.33	$79.20 - $93.79
Q3 2016	125,427	$14,215	$90.38	$85.02 - $93.47
Q2 2016	125,956	$14,310	$83.75	$79.73 - $89.81
Q1 2016	126,015	$12,900	$73.16	$65.02 - $80.56
Q4 2015	120,687	$11,701	$75.94	$67.91 - $81.06
Q3 2015	119,397	$10,505	$72.97	$67.60 - $78.65
Q2 2015	117,501	$10,962	$72.97	$70.92 - $75.72
Q1 2015	103,599	$9,754	$74.63	$71.55 - $78.20
Q4 2014	100,437	$9,928	$75.17	$68.98 - $81.29
Q3 2014	100,622	$9,421	$72.53	$67.84 - $76.11
Q2 2014	99,470	$8,950	$65.68	$60.55 - $68.85
Q1 2014	100,623	$8,238	$61.59	$59.25 - $64.17
Q4 2013	100,967	$8,059	$58.52	$53.88 - $61.27
Q3 2013	107,606	$7,977	$54.19	$50.94 - $58.77
Q2 2013	109,380	$8,003	$59.51	$52.17 - $63.74