AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

HARBOR INVESTMENT ADVISORY, LLC's Holding History (CIK: 0001468792)

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

Q4 2025

Shares 14,654 Value ($000) $2,573 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 20,605 Value ($000) $3,963 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 21,327 Value ($000) $4,714 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 17,963 Value ($000) $3,909 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 16,638 Value ($000) $3,052 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 17,913 Value ($000) $4,166 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 17,775 Value ($000) $3,455 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 18,220 Value ($000) $3,600 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 17,983 Value ($000) $3,882 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 17,601 Value ($000) $2,894 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 17,295 Value ($000) $3,354 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 18,327 Value ($000) $3,745 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 18,367 Value ($000) $3,891 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 21,350 Value ($000) $4,584 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 21,409 Value ($000) $5,472 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 21,193 Value ($000) $5,324 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 20,965 Value ($000) $6,132 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 20,954 Value ($000) $5,561 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 20,899 Value ($000) $5,646 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 20,662 Value ($000) $4,939 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 19,517 Value ($000) $4,381 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 15,060 Value ($000) $3,640 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 16,332 Value ($000) $4,222 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 15,116 Value ($000) $3,292 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 15,576 Value ($000) $3,580 Avg Close $183.82 Range $171.19 - $195.06

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	14,654	$2,573	$180.30	$169.12 - $192.63
Q3 2025	20,605	$3,963	$204.56	$185.10 - $230.04
Q2 2025	21,327	$4,714	$210.37	$190.80 - $225.87
Q1 2025	17,963	$3,909	$189.52	$166.66 - $212.16
Q4 2024	16,638	$3,052	$198.35	$171.45 - $222.90
Q3 2024	17,913	$4,166	$210.79	$182.10 - $231.55
Q2 2024	17,775	$3,455	$176.27	$160.72 - $190.06
Q1 2024	18,220	$3,600	$186.13	$169.29 - $204.74
Q4 2023	17,983	$3,882	$175.15	$141.88 - $204.01
Q3 2023	17,601	$2,894	$167.65	$145.17 - $184.31
Q2 2023	17,295	$3,354	$178.08	$162.53 - $192.95
Q1 2023	18,327	$3,745	$189.59	$171.12 - $212.87
Q4 2022	18,367	$3,891	$186.71	$159.82 - $204.49
Q3 2022	21,350	$4,584	$228.80	$188.24 - $251.54
Q2 2022	21,409	$5,472	$222.20	$196.54 - $240.37
Q1 2022	21,193	$5,324	$214.86	$193.72 - $257.60
Q4 2021	20,965	$6,132	$239.48	$222.02 - $259.23
Q3 2021	20,954	$5,561	$248.67	$232.43 - $264.88
Q2 2021	20,899	$5,646	$221.28	$204.65 - $239.67
Q1 2021	20,662	$4,939	$192.28	$170.54 - $209.67
Q4 2020	19,517	$4,381	$199.71	$184.97 - $217.31
Q3 2020	15,060	$3,640	$216.72	$200.88 - $232.60
Q2 2020	16,332	$4,222	$210.56	$171.21 - $229.12
Q1 2020	15,116	$3,292	$197.22	$147.72 - $219.16
Q4 2019	15,576	$3,580	$183.82	$171.19 - $195.06