AMERICAN TOWER CORP NEW

Ticker: AMT CUSIP: 03027X100 Class: COM

Robeco Institutional Asset Management B.V.'s Holding History (CIK: 0001418773)

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

Q4 2025

Shares 190,191 Value ($000) $33,392 Avg Close $180.30 Range $169.12 - $192.63

Q3 2025

Shares 206,920 Value ($000) $39,795 Avg Close $204.56 Range $185.10 - $230.04

Q2 2025

Shares 218,186 Value ($000) $48,223 Avg Close $210.37 Range $190.80 - $225.87

Q1 2025

Shares 190,140 Value ($000) $41,374 Avg Close $189.52 Range $166.66 - $212.16

Q4 2024

Shares 198,810 Value ($000) $36,464 Avg Close $198.35 Range $171.45 - $222.90

Q3 2024

Shares 221,699 Value ($000) $51,558 Avg Close $210.79 Range $182.10 - $231.55

Q2 2024

Shares 206,117 Value ($000) $40,065 Avg Close $176.27 Range $160.72 - $190.06

Q1 2024

Shares 421,810 Value ($000) $83,345 Avg Close $186.13 Range $169.29 - $204.74

Q4 2023

Shares 218,574 Value ($000) $47,186 Avg Close $175.15 Range $141.88 - $204.01

Q3 2023

Shares 195,251 Value ($000) $32,109 Avg Close $167.65 Range $145.17 - $184.31

Q2 2023

Shares 229,475 Value ($000) $44,504 Avg Close $178.08 Range $162.53 - $192.95

Q1 2023

Shares 243,154 Value ($000) $49,686 Avg Close $189.59 Range $171.12 - $212.87

Q4 2022

Shares 222,364 Value ($000) $47,110 Avg Close $186.71 Range $159.82 - $204.49

Q3 2022

Shares 211,855 Value ($000) $45,483 Avg Close $228.80 Range $188.24 - $251.54

Q2 2022

Shares 210,465 Value ($000) $53,795 Avg Close $222.20 Range $196.54 - $240.37

Q1 2022

Shares 188,275 Value ($000) $47,296 Avg Close $214.86 Range $193.72 - $257.60

Q4 2021

Shares 186,064 Value ($000) $54,426 Avg Close $239.48 Range $222.02 - $259.23

Q3 2021

Shares 186,195 Value ($000) $49,417 Avg Close $248.67 Range $232.43 - $264.88

Q2 2021

Shares 109,705 Value ($000) $29,636 Avg Close $221.28 Range $204.65 - $239.67

Q1 2021

Shares 132,608 Value ($000) $31,701 Avg Close $192.28 Range $170.54 - $209.67

Q4 2020

Shares 140,227 Value ($000) $31,474 Avg Close $199.71 Range $184.97 - $217.31

Q3 2020

Shares 146,264 Value ($000) $35,358 Avg Close $216.72 Range $200.88 - $232.60

Q2 2020

Shares 82,490 Value ($000) $21,328 Avg Close $210.56 Range $171.21 - $229.12

Q1 2020

Shares 108,460 Value ($000) $23,617 Avg Close $197.22 Range $147.72 - $219.16

Q4 2019

Shares 79,006 Value ($000) $18,158 Avg Close $183.82 Range $171.19 - $195.06

Q3 2019

Shares 88,449 Value ($000) $19,559 Avg Close $183.38 Range $167.57 - $203.29

Q2 2019

Shares 96,472 Value ($000) $19,722 Avg Close $168.17 Range $157.69 - $183.80

Q1 2019

Shares 58,375 Value ($000) $11,505 Avg Close $146.03 Range $128.16 - $164.30

Q4 2018

Shares 25,869 Value ($000) $4,094 Avg Close $129.50 Range $116.26 - $139.59

Q3 2018

Shares 24,182 Value ($000) $3,512 Avg Close $120.79 Range $114.07 - $125.11

Q2 2018

Shares 31,125 Value ($000) $4,489 Avg Close $113.83 Range $109.35 - $119.75

Q1 2018

Shares 35,270 Value ($000) $5,127 Avg Close $114.77 Range $106.21 - $122.30

Q4 2017

Shares 42,148 Value ($000) $6,017 Avg Close $115.75 Range $109.97 - $125.87

Q3 2017

Shares 25,366 Value ($000) $3,467 Avg Close $112.31 Range $105.52 - $119.95

Q2 2017

Shares 20,912 Value ($000) $2,767 Avg Close $102.88 Range $96.18 - $110.06

Q1 2017

Shares 19,808 Value ($000) $2,408 Avg Close $87.85 Range $81.86 - $97.31

Q4 2016

Shares 18,862 Value ($000) $1,993 Avg Close $86.33 Range $79.20 - $93.79

Q3 2016

Shares 18,548 Value ($000) $2,102 Avg Close $90.38 Range $85.02 - $93.47

Q2 2016

Shares 18,548 Value ($000) $2,107 Avg Close $83.75 Range $79.73 - $89.81

Q1 2016

Shares 18,548 Value ($000) $1,899 Avg Close $73.16 Range $65.02 - $80.56

Q4 2015

Shares 18,548 Value ($000) $1,798 Avg Close $75.94 Range $67.91 - $81.06

Q3 2015

Shares 15,591 Value ($000) $1,372 Avg Close $72.97 Range $67.60 - $78.65

Q2 2015

Shares 13,384 Value ($000) $1,249 Avg Close $72.97 Range $70.92 - $75.72

Q1 2015

Shares 15,711 Value ($000) $1,480 Avg Close $74.63 Range $71.55 - $78.20

Q4 2014

Shares 15,711 Value ($000) $1,553 Avg Close $75.17 Range $68.98 - $81.29

Q3 2014

Shares 21,471 Value ($000) $2,011 Avg Close $72.53 Range $67.84 - $76.11

Q2 2014

Shares 16,700 Value ($000) $1,502 Avg Close $65.68 Range $60.55 - $68.85

Q1 2014

Shares 10,620 Value ($000) $870 Avg Close $61.59 Range $59.25 - $64.17

Q4 2013

Shares 10,105 Value ($000) $807 Avg Close $58.52 Range $53.88 - $61.27

Q3 2013

Shares 39,222 Value ($000) $2,906 Avg Close $54.19 Range $50.94 - $58.77

Q2 2013

Shares 40,033 Value ($000) $2,930 Avg Close $59.51 Range $52.17 - $63.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	190,191	$33,392	$180.30	$169.12 - $192.63
Q3 2025	206,920	$39,795	$204.56	$185.10 - $230.04
Q2 2025	218,186	$48,223	$210.37	$190.80 - $225.87
Q1 2025	190,140	$41,374	$189.52	$166.66 - $212.16
Q4 2024	198,810	$36,464	$198.35	$171.45 - $222.90
Q3 2024	221,699	$51,558	$210.79	$182.10 - $231.55
Q2 2024	206,117	$40,065	$176.27	$160.72 - $190.06
Q1 2024	421,810	$83,345	$186.13	$169.29 - $204.74
Q4 2023	218,574	$47,186	$175.15	$141.88 - $204.01
Q3 2023	195,251	$32,109	$167.65	$145.17 - $184.31
Q2 2023	229,475	$44,504	$178.08	$162.53 - $192.95
Q1 2023	243,154	$49,686	$189.59	$171.12 - $212.87
Q4 2022	222,364	$47,110	$186.71	$159.82 - $204.49
Q3 2022	211,855	$45,483	$228.80	$188.24 - $251.54
Q2 2022	210,465	$53,795	$222.20	$196.54 - $240.37
Q1 2022	188,275	$47,296	$214.86	$193.72 - $257.60
Q4 2021	186,064	$54,426	$239.48	$222.02 - $259.23
Q3 2021	186,195	$49,417	$248.67	$232.43 - $264.88
Q2 2021	109,705	$29,636	$221.28	$204.65 - $239.67
Q1 2021	132,608	$31,701	$192.28	$170.54 - $209.67
Q4 2020	140,227	$31,474	$199.71	$184.97 - $217.31
Q3 2020	146,264	$35,358	$216.72	$200.88 - $232.60
Q2 2020	82,490	$21,328	$210.56	$171.21 - $229.12
Q1 2020	108,460	$23,617	$197.22	$147.72 - $219.16
Q4 2019	79,006	$18,158	$183.82	$171.19 - $195.06
Q3 2019	88,449	$19,559	$183.38	$167.57 - $203.29
Q2 2019	96,472	$19,722	$168.17	$157.69 - $183.80
Q1 2019	58,375	$11,505	$146.03	$128.16 - $164.30
Q4 2018	25,869	$4,094	$129.50	$116.26 - $139.59
Q3 2018	24,182	$3,512	$120.79	$114.07 - $125.11
Q2 2018	31,125	$4,489	$113.83	$109.35 - $119.75
Q1 2018	35,270	$5,127	$114.77	$106.21 - $122.30
Q4 2017	42,148	$6,017	$115.75	$109.97 - $125.87
Q3 2017	25,366	$3,467	$112.31	$105.52 - $119.95
Q2 2017	20,912	$2,767	$102.88	$96.18 - $110.06
Q1 2017	19,808	$2,408	$87.85	$81.86 - $97.31
Q4 2016	18,862	$1,993	$86.33	$79.20 - $93.79
Q3 2016	18,548	$2,102	$90.38	$85.02 - $93.47
Q2 2016	18,548	$2,107	$83.75	$79.73 - $89.81
Q1 2016	18,548	$1,899	$73.16	$65.02 - $80.56
Q4 2015	18,548	$1,798	$75.94	$67.91 - $81.06
Q3 2015	15,591	$1,372	$72.97	$67.60 - $78.65
Q2 2015	13,384	$1,249	$72.97	$70.92 - $75.72
Q1 2015	15,711	$1,480	$74.63	$71.55 - $78.20
Q4 2014	15,711	$1,553	$75.17	$68.98 - $81.29
Q3 2014	21,471	$2,011	$72.53	$67.84 - $76.11
Q2 2014	16,700	$1,502	$65.68	$60.55 - $68.85
Q1 2014	10,620	$870	$61.59	$59.25 - $64.17
Q4 2013	10,105	$807	$58.52	$53.88 - $61.27
Q3 2013	39,222	$2,906	$54.19	$50.94 - $58.77
Q2 2013	40,033	$2,930	$59.51	$52.17 - $63.74