AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

GSA CAPITAL PARTNERS LLP's Holding History (CIK: 0001362033)

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

Q4 2025

Shares 9,579 Value ($000) $2 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 5,190 Value ($000) $1 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 10,895 Value ($000) $2 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 3,802 Value ($000) $1 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 18,728 Value ($000) $3 Avg Close $198.35 Range $171.45 - $222.90

Q2 2024

Shares 4,461 Value ($000) $1 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 4,288 Value ($000) $1 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 5,752 Value ($000) $1 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 10,638 Value ($000) $2 Avg Close $167.65 Range $145.17 - $184.31

Q1 2023

Shares 3,733 Value ($000) $1 Avg Close $189.59 Range $171.12 - $212.87

Q3 2021

Shares 1,176 Value ($000) $312 Avg Close $248.67 Range $232.43 - $264.88

Q3 2020

Shares 3,137 Value ($000) $758 Avg Close $216.72 Range $200.88 - $232.60

Q3 2019

Shares 4,841 Value ($000) $1,070 Avg Close $183.38 Range $167.57 - $203.29

Q1 2018

Shares 4,791 Value ($000) $696 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 4,915 Value ($000) $701 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 12,452 Value ($000) $1,702 Avg Close $112.31 Range $105.52 - $119.95

Q4 2016

Shares 12,908 Value ($000) $1,364 Avg Close $86.33 Range $79.20 - $93.79

Q4 2015

Shares 7,923 Value ($000) $768 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 43,858 Value ($000) $3,859 Avg Close $72.97 Range $67.60 - $78.65

Q1 2015

Shares 59,353 Value ($000) $5,588 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 21,584 Value ($000) $2,134 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 57,646 Value ($000) $5,397 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 21,758 Value ($000) $1,958 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 2,503 Value ($000) $205 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 6,451 Value ($000) $515 Avg Close $58.52 Range $53.88 - $61.27

Q2 2013

Shares 19,087 Value ($000) $1,397 Avg Close $59.51 Range $52.17 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	9,579	$2	$180.30	$169.12 - $192.63
Q3 2025	5,190	$1	$204.56	$185.10 - $230.04
Q2 2025	10,895	$2	$210.37	$190.80 - $225.87
Q1 2025	3,802	$1	$189.52	$166.66 - $212.16
Q4 2024	18,728	$3	$198.35	$171.45 - $222.90
Q2 2024	4,461	$1	$176.27	$160.72 - $190.06
Q1 2024	4,288	$1	$186.13	$169.29 - $204.74
Q4 2023	5,752	$1	$175.15	$141.88 - $204.01
Q3 2023	10,638	$2	$167.65	$145.17 - $184.31
Q1 2023	3,733	$1	$189.59	$171.12 - $212.87
Q3 2021	1,176	$312	$248.67	$232.43 - $264.88
Q3 2020	3,137	$758	$216.72	$200.88 - $232.60
Q3 2019	4,841	$1,070	$183.38	$167.57 - $203.29
Q1 2018	4,791	$696	$114.77	$106.21 - $122.30
Q4 2017	4,915	$701	$115.75	$109.97 - $125.87
Q3 2017	12,452	$1,702	$112.31	$105.52 - $119.95
Q4 2016	12,908	$1,364	$86.33	$79.20 - $93.79
Q4 2015	7,923	$768	$75.94	$67.91 - $81.06
Q3 2015	43,858	$3,859	$72.97	$67.60 - $78.65
Q1 2015	59,353	$5,588	$74.63	$71.55 - $78.20
Q4 2014	21,584	$2,134	$75.17	$68.98 - $81.29
Q3 2014	57,646	$5,397	$72.53	$67.84 - $76.11
Q2 2014	21,758	$1,958	$65.68	$60.55 - $68.85
Q1 2014	2,503	$205	$61.59	$59.25 - $64.17
Q4 2013	6,451	$515	$58.52	$53.88 - $61.27
Q2 2013	19,087	$1,397	$59.51	$52.17 - $63.74