ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

BANK OF MONTREAL /CAN/'s Holding History (CIK: 0000927971)

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

Q4 2025

Shares 135,251 Value ($000) $21,119 Avg Close $143.30 Range $124.91 - $167.02

Q3 2025

Shares 52,841 Value ($000) $6,617 Avg Close $156.63 Range $122.00 - $208.31

Q2 2025

Shares 41,489 Value ($000) $7,855 Avg Close $176.66 Range $141.74 - $196.38

Q1 2025

Shares 63,420 Value ($000) $10,075 Avg Close $196.30 Range $153.77 - $237.23

Q4 2024

Shares 72,197 Value ($000) $15,054 Avg Close $223.39 Range $204.13 - $256.22

Q3 2024

Shares 140,192 Value ($000) $35,722 Avg Close $235.95 Range $196.09 - $263.24

Q2 2024

Shares 80,756 Value ($000) $19,500 Avg Close $278.40 Range $232.80 - $331.64

Q1 2024

Shares 92,427 Value ($000) $30,329 Avg Close $293.39 Range $250.28 - $335.40

Q4 2023

Shares 98,437 Value ($000) $27,351 Avg Close $237.06 Range $176.34 - $305.36

Q3 2023

Shares 112,825 Value ($000) $37,487 Avg Close $345.55 Range $293.42 - $413.20

Q2 2023

Shares 124,147 Value ($000) $44,029 Avg Close $318.43 Range $273.46 - $363.27

Q1 2023

Shares 144,439 Value ($000) $48,378 Avg Close $295.03 Range $208.29 - $368.87

Q4 2022

Shares 116,824 Value ($000) $24,848 Avg Close $200.17 Range $172.05 - $233.64

Q3 2022

Shares 98,380 Value ($000) $21,053 Avg Close $257.42 Range $204.32 - $302.97

Q2 2022

Shares 117,780 Value ($000) $29,455 Avg Close $307.23 Range $225.86 - $451.19

Q1 2022

Shares 97,564 Value ($000) $43,179 Avg Close $486.73 Range $372.62 - $658.50

Q4 2021

Shares 103,944 Value ($000) $69,259 Avg Close $642.93 Range $572.51 - $713.33

Q3 2021

Shares 216,162 Value ($000) $146,877 Avg Close $679.09 Range $589.24 - $737.45

Q2 2021

Shares 211,556 Value ($000) $131,073 Avg Close $591.84 Range $536.23 - $647.20

Q1 2021

Shares 235,994 Value ($000) $135,875 Avg Close $552.79 Range $494.45 - $634.46

Q4 2020

Shares 307,312 Value ($000) $171,186 Avg Close $449.62 Range $310.03 - $543.65

Q3 2020

Shares 318,947 Value ($000) $100,813 Avg Close $305.27 Range $267.63 - $340.29

Q2 2020

Shares 392,111 Value ($000) $107,470 Avg Close $225.21 Range $150.38 - $292.04

Q1 2020

Shares 163,991 Value ($000) $24,937 Avg Close $239.46 Range $127.88 - $301.65

Q4 2019

Shares 96,737 Value ($000) $26,993 Avg Close $249.35 Range $175.52 - $281.57

Q3 2019

Shares 92,066 Value ($000) $16,658 Avg Close $207.89 Range $169.84 - $290.78

Q2 2019

Shares 179,411 Value ($000) $49,104 Avg Close $301.97 Range $263.70 - $334.64

Q1 2019

Shares 115,912 Value ($000) $32,958 Avg Close $238.66 Range $177.93 - $284.61

Q4 2018

Shares 110,712 Value ($000) $23,186 Avg Close $252.66 Range $188.57 - $397.85

Q3 2018

Shares 116,743 Value ($000) $45,671 Avg Close $368.95 Range $332.01 - $398.88

Q2 2018

Shares 154,432 Value ($000) $52,836 Avg Close $298.30 Range $234.40 - $371.55

Q1 2018

Shares 130,131 Value ($000) $32,678 Avg Close $256.81 Range $219.11 - $287.32

Q4 2017

Shares 129,869 Value ($000) $28,856 Avg Close $227.14 Range $184.67 - $266.41

Q3 2017

Shares 152,644 Value ($000) $28,434 Avg Close $171.20 Range $148.95 - $190.04

Q2 2017

Shares 204,561 Value ($000) $30,708 Avg Close $135.62 Range $113.40 - $154.85

Q1 2017

Shares 160,013 Value ($000) $18,354 Avg Close $101.02 Range $88.56 - $115.20

Q4 2016

Shares 184,108 Value ($000) $17,132 Avg Close $92.86 Range $83.27 - $102.10

Q3 2016

Shares 208,812 Value ($000) $19,576 Avg Close $90.43 Range $80.30 - $96.90

Q2 2016

Shares 120,683 Value ($000) $9,720 Avg Close $76.47 Range $70.03 - $81.98

Q1 2016

Shares 63,953 Value ($000) $4,650 Avg Close $65.48 Range $57.31 - $73.55

Q4 2015

Shares 61,089 Value ($000) $4,023 Avg Close $64.15 Range $54.69 - $68.48

Q3 2015

Shares 12,246 Value ($000) $696 Avg Close $59.62 Range $52.01 - $66.53

Q2 2015

Shares 16,558 Value ($000) $1,038 Avg Close $59.07 Range $51.65 - $64.99

Q1 2015

Shares 16,755 Value ($000) $901 Avg Close $56.98 Range $51.77 - $64.75

Q4 2014

Shares 43,599 Value ($000) $2,439 Avg Close $52.90 Range $43.27 - $57.72

Q3 2014

Shares 50,904 Value ($000) $2,630 Avg Close $54.46 Range $51.29 - $57.79

Q2 2014

Shares 51,229 Value ($000) $2,871 Avg Close $52.02 Range $47.22 - $57.50

Q1 2014

Shares 58,757 Value ($000) $3,042 Avg Close $55.98 Range $50.37 - $65.10

Q4 2013

Shares 23,588 Value ($000) $1,348 Avg Close $53.83 Range $41.83 - $60.00

Q3 2013

Shares 6,704 Value ($000) $322 Avg Close $43.65 Range $36.92 - $49.08

Q2 2013

Shares 6,760 Value ($000) $250 Avg Close $34.47 Range $29.53 - $38.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	135,251	$21,119	$143.30	$124.91 - $167.02
Q3 2025	52,841	$6,617	$156.63	$122.00 - $208.31
Q2 2025	41,489	$7,855	$176.66	$141.74 - $196.38
Q1 2025	63,420	$10,075	$196.30	$153.77 - $237.23
Q4 2024	72,197	$15,054	$223.39	$204.13 - $256.22
Q3 2024	140,192	$35,722	$235.95	$196.09 - $263.24
Q2 2024	80,756	$19,500	$278.40	$232.80 - $331.64
Q1 2024	92,427	$30,329	$293.39	$250.28 - $335.40
Q4 2023	98,437	$27,351	$237.06	$176.34 - $305.36
Q3 2023	112,825	$37,487	$345.55	$293.42 - $413.20
Q2 2023	124,147	$44,029	$318.43	$273.46 - $363.27
Q1 2023	144,439	$48,378	$295.03	$208.29 - $368.87
Q4 2022	116,824	$24,848	$200.17	$172.05 - $233.64
Q3 2022	98,380	$21,053	$257.42	$204.32 - $302.97
Q2 2022	117,780	$29,455	$307.23	$225.86 - $451.19
Q1 2022	97,564	$43,179	$486.73	$372.62 - $658.50
Q4 2021	103,944	$69,259	$642.93	$572.51 - $713.33
Q3 2021	216,162	$146,877	$679.09	$589.24 - $737.45
Q2 2021	211,556	$131,073	$591.84	$536.23 - $647.20
Q1 2021	235,994	$135,875	$552.79	$494.45 - $634.46
Q4 2020	307,312	$171,186	$449.62	$310.03 - $543.65
Q3 2020	318,947	$100,813	$305.27	$267.63 - $340.29
Q2 2020	392,111	$107,470	$225.21	$150.38 - $292.04
Q1 2020	163,991	$24,937	$239.46	$127.88 - $301.65
Q4 2019	96,737	$26,993	$249.35	$175.52 - $281.57
Q3 2019	92,066	$16,658	$207.89	$169.84 - $290.78
Q2 2019	179,411	$49,104	$301.97	$263.70 - $334.64
Q1 2019	115,912	$32,958	$238.66	$177.93 - $284.61
Q4 2018	110,712	$23,186	$252.66	$188.57 - $397.85
Q3 2018	116,743	$45,671	$368.95	$332.01 - $398.88
Q2 2018	154,432	$52,836	$298.30	$234.40 - $371.55
Q1 2018	130,131	$32,678	$256.81	$219.11 - $287.32
Q4 2017	129,869	$28,856	$227.14	$184.67 - $266.41
Q3 2017	152,644	$28,434	$171.20	$148.95 - $190.04
Q2 2017	204,561	$30,708	$135.62	$113.40 - $154.85
Q1 2017	160,013	$18,354	$101.02	$88.56 - $115.20
Q4 2016	184,108	$17,132	$92.86	$83.27 - $102.10
Q3 2016	208,812	$19,576	$90.43	$80.30 - $96.90
Q2 2016	120,683	$9,720	$76.47	$70.03 - $81.98
Q1 2016	63,953	$4,650	$65.48	$57.31 - $73.55
Q4 2015	61,089	$4,023	$64.15	$54.69 - $68.48
Q3 2015	12,246	$696	$59.62	$52.01 - $66.53
Q2 2015	16,558	$1,038	$59.07	$51.65 - $64.99
Q1 2015	16,755	$901	$56.98	$51.77 - $64.75
Q4 2014	43,599	$2,439	$52.90	$43.27 - $57.72
Q3 2014	50,904	$2,630	$54.46	$51.29 - $57.79
Q2 2014	51,229	$2,871	$52.02	$47.22 - $57.50
Q1 2014	58,757	$3,042	$55.98	$50.37 - $65.10
Q4 2013	23,588	$1,348	$53.83	$41.83 - $60.00
Q3 2013	6,704	$322	$43.65	$36.92 - $49.08
Q2 2013	6,760	$250	$34.47	$29.53 - $38.74