AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

DF DENT & CO INC's Holding History (CIK: 0000934999)

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

Q1 2023

Shares 421,210 Value ($000) $86,070 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 447,767 Value ($000) $94,864 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 461,030 Value ($000) $98,983 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 551,859 Value ($000) $141,050 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 577,891 Value ($000) $145,178 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 589,108 Value ($000) $172,314 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 695,878 Value ($000) $184,693 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 705,638 Value ($000) $190,621 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 706,742 Value ($000) $168,954 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 703,575 Value ($000) $157,924 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 614,248 Value ($000) $148,482 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 617,395 Value ($000) $159,621 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 543,940 Value ($000) $118,443 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 542,689 Value ($000) $124,721 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 603,216 Value ($000) $133,389 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 610,126 Value ($000) $124,740 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 623,953 Value ($000) $122,956 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 626,416 Value ($000) $99,093 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 683,606 Value ($000) $99,328 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 679,578 Value ($000) $97,975 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 688,860 Value ($000) $100,119 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 640,359 Value ($000) $91,360 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 659,016 Value ($000) $90,074 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 676,358 Value ($000) $89,496 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 687,352 Value ($000) $83,541 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 724,939 Value ($000) $76,612 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 773,351 Value ($000) $87,644 Avg Close $90.38 Range $85.02 - $93.47

Q4 2015

Shares 838,260 Value ($000) $81,269 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 837,502 Value ($000) $73,683 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 830,490 Value ($000) $77,476 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 755,245 Value ($000) $71,106 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 695,748 Value ($000) $68,775 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 907,262 Value ($000) $84,947 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 953,074 Value ($000) $85,758 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 958,018 Value ($000) $78,433 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 740,755 Value ($000) $59,127 Avg Close $58.52 Range $53.88 - $61.27

Q3 2013

Shares 733,150 Value ($000) $54,348 Avg Close $54.19 Range $50.94 - $58.77

Q2 2013

Shares 1,003,636 Value ($000) $73,436 Avg Close $59.51 Range $52.17 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q1 2023	421,210	$86,070	$189.59	$171.12 - $212.87
Q4 2022	447,767	$94,864	$186.71	$159.82 - $204.49
Q3 2022	461,030	$98,983	$228.80	$188.24 - $251.54
Q2 2022	551,859	$141,050	$222.20	$196.54 - $240.37
Q1 2022	577,891	$145,178	$214.86	$193.72 - $257.60
Q4 2021	589,108	$172,314	$239.48	$222.02 - $259.23
Q3 2021	695,878	$184,693	$248.67	$232.43 - $264.88
Q2 2021	705,638	$190,621	$221.28	$204.65 - $239.67
Q1 2021	706,742	$168,954	$192.28	$170.54 - $209.67
Q4 2020	703,575	$157,924	$199.71	$184.97 - $217.31
Q3 2020	614,248	$148,482	$216.72	$200.88 - $232.60
Q2 2020	617,395	$159,621	$210.56	$171.21 - $229.12
Q1 2020	543,940	$118,443	$197.22	$147.72 - $219.16
Q4 2019	542,689	$124,721	$183.82	$171.19 - $195.06
Q3 2019	603,216	$133,389	$183.38	$167.57 - $203.29
Q2 2019	610,126	$124,740	$168.17	$157.69 - $183.80
Q1 2019	623,953	$122,956	$146.03	$128.16 - $164.30
Q4 2018	626,416	$99,093	$129.50	$116.26 - $139.59
Q3 2018	683,606	$99,328	$120.79	$114.07 - $125.11
Q2 2018	679,578	$97,975	$113.83	$109.35 - $119.75
Q1 2018	688,860	$100,119	$114.77	$106.21 - $122.30
Q4 2017	640,359	$91,360	$115.75	$109.97 - $125.87
Q3 2017	659,016	$90,074	$112.31	$105.52 - $119.95
Q2 2017	676,358	$89,496	$102.88	$96.18 - $110.06
Q1 2017	687,352	$83,541	$87.85	$81.86 - $97.31
Q4 2016	724,939	$76,612	$86.33	$79.20 - $93.79
Q3 2016	773,351	$87,644	$90.38	$85.02 - $93.47
Q4 2015	838,260	$81,269	$75.94	$67.91 - $81.06
Q3 2015	837,502	$73,683	$72.97	$67.60 - $78.65
Q2 2015	830,490	$77,476	$72.97	$70.92 - $75.72
Q1 2015	755,245	$71,106	$74.63	$71.55 - $78.20
Q4 2014	695,748	$68,775	$75.17	$68.98 - $81.29
Q3 2014	907,262	$84,947	$72.53	$67.84 - $76.11
Q2 2014	953,074	$85,758	$65.68	$60.55 - $68.85
Q1 2014	958,018	$78,433	$61.59	$59.25 - $64.17
Q4 2013	740,755	$59,127	$58.52	$53.88 - $61.27
Q3 2013	733,150	$54,348	$54.19	$50.94 - $58.77
Q2 2013	1,003,636	$73,436	$59.51	$52.17 - $63.74