AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

Korea Investment CORP's Holding History (CIK: 0001441689)

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

Q4 2025

Shares 341,707 Value ($000) $59,993 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 558,099 Value ($000) $107,334 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 367,928 Value ($000) $81,319 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 256,348 Value ($000) $55,781 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 366,801 Value ($000) $67,275 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 270,648 Value ($000) $62,942 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 360,350 Value ($000) $70,045 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 391,197 Value ($000) $77,297 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 411,081 Value ($000) $88,744 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 550,618 Value ($000) $90,549 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 656,929 Value ($000) $127,405 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 692,347 Value ($000) $141,474 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 665,073 Value ($000) $140,902 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 606,058 Value ($000) $130,121 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 539,556 Value ($000) $137,905 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 562,550 Value ($000) $141,324 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 471,405 Value ($000) $137,886 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 357,451 Value ($000) $94,871 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 381,491 Value ($000) $103,056 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 378,591 Value ($000) $90,506 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 415,154 Value ($000) $93,185 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 440,895 Value ($000) $106,578 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 289,995 Value ($000) $74,975 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 299,095 Value ($000) $65,128 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 283,540 Value ($000) $65,163 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 275,540 Value ($000) $60,930 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 286,274 Value ($000) $58,529 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 312,674 Value ($000) $61,616 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 282,858 Value ($000) $44,745 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 269,958 Value ($000) $39,225 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 280,680 Value ($000) $40,466 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 236,680 Value ($000) $34,399 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 222,251 Value ($000) $31,709 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 221,351 Value ($000) $30,254 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 265,951 Value ($000) $35,191 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 221,143 Value ($000) $26,878 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 181,513 Value ($000) $19,182 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 305,566 Value ($000) $34,630 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 269,552 Value ($000) $30,624 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 212,652 Value ($000) $21,769 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 471,755 Value ($000) $45,736 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 344,155 Value ($000) $30,278 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 287,690 Value ($000) $26,839 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 310,890 Value ($000) $29,270 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 317,590 Value ($000) $31,394 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 319,090 Value ($000) $29,876 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 363,000 Value ($000) $32,663 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 289,100 Value ($000) $23,669 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 442,400 Value ($000) $35,312 Avg Close $58.52 Range $53.88 - $61.27

Q3 2013

Shares 545,300 Value ($000) $40,423 Avg Close $54.19 Range $50.94 - $58.77

Q2 2013

Shares 329,800 Value ($000) $24,131 Avg Close $59.51 Range $52.17 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	341,707	$59,993	$180.30	$169.12 - $192.63
Q3 2025	558,099	$107,334	$204.56	$185.10 - $230.04
Q2 2025	367,928	$81,319	$210.37	$190.80 - $225.87
Q1 2025	256,348	$55,781	$189.52	$166.66 - $212.16
Q4 2024	366,801	$67,275	$198.35	$171.45 - $222.90
Q3 2024	270,648	$62,942	$210.79	$182.10 - $231.55
Q2 2024	360,350	$70,045	$176.27	$160.72 - $190.06
Q1 2024	391,197	$77,297	$186.13	$169.29 - $204.74
Q4 2023	411,081	$88,744	$175.15	$141.88 - $204.01
Q3 2023	550,618	$90,549	$167.65	$145.17 - $184.31
Q2 2023	656,929	$127,405	$178.08	$162.53 - $192.95
Q1 2023	692,347	$141,474	$189.59	$171.12 - $212.87
Q4 2022	665,073	$140,902	$186.71	$159.82 - $204.49
Q3 2022	606,058	$130,121	$228.80	$188.24 - $251.54
Q2 2022	539,556	$137,905	$222.20	$196.54 - $240.37
Q1 2022	562,550	$141,324	$214.86	$193.72 - $257.60
Q4 2021	471,405	$137,886	$239.48	$222.02 - $259.23
Q3 2021	357,451	$94,871	$248.67	$232.43 - $264.88
Q2 2021	381,491	$103,056	$221.28	$204.65 - $239.67
Q1 2021	378,591	$90,506	$192.28	$170.54 - $209.67
Q4 2020	415,154	$93,185	$199.71	$184.97 - $217.31
Q3 2020	440,895	$106,578	$216.72	$200.88 - $232.60
Q2 2020	289,995	$74,975	$210.56	$171.21 - $229.12
Q1 2020	299,095	$65,128	$197.22	$147.72 - $219.16
Q4 2019	283,540	$65,163	$183.82	$171.19 - $195.06
Q3 2019	275,540	$60,930	$183.38	$167.57 - $203.29
Q2 2019	286,274	$58,529	$168.17	$157.69 - $183.80
Q1 2019	312,674	$61,616	$146.03	$128.16 - $164.30
Q4 2018	282,858	$44,745	$129.50	$116.26 - $139.59
Q3 2018	269,958	$39,225	$120.79	$114.07 - $125.11
Q2 2018	280,680	$40,466	$113.83	$109.35 - $119.75
Q1 2018	236,680	$34,399	$114.77	$106.21 - $122.30
Q4 2017	222,251	$31,709	$115.75	$109.97 - $125.87
Q3 2017	221,351	$30,254	$112.31	$105.52 - $119.95
Q2 2017	265,951	$35,191	$102.88	$96.18 - $110.06
Q1 2017	221,143	$26,878	$87.85	$81.86 - $97.31
Q4 2016	181,513	$19,182	$86.33	$79.20 - $93.79
Q3 2016	305,566	$34,630	$90.38	$85.02 - $93.47
Q2 2016	269,552	$30,624	$83.75	$79.73 - $89.81
Q1 2016	212,652	$21,769	$73.16	$65.02 - $80.56
Q4 2015	471,755	$45,736	$75.94	$67.91 - $81.06
Q3 2015	344,155	$30,278	$72.97	$67.60 - $78.65
Q2 2015	287,690	$26,839	$72.97	$70.92 - $75.72
Q1 2015	310,890	$29,270	$74.63	$71.55 - $78.20
Q4 2014	317,590	$31,394	$75.17	$68.98 - $81.29
Q3 2014	319,090	$29,876	$72.53	$67.84 - $76.11
Q2 2014	363,000	$32,663	$65.68	$60.55 - $68.85
Q1 2014	289,100	$23,669	$61.59	$59.25 - $64.17
Q4 2013	442,400	$35,312	$58.52	$53.88 - $61.27
Q3 2013	545,300	$40,423	$54.19	$50.94 - $58.77
Q2 2013	329,800	$24,131	$59.51	$52.17 - $63.74