ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

ALLIANCEBERNSTEIN L.P.'s Holding History (CIK: 0001109448)

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

Q4 2025

Shares 181,281 Value ($000) $28,307 Avg Close $143.30 Range $124.91 - $167.02

Q3 2025

Shares 308,441 Value ($000) $38,623 Avg Close $156.63 Range $122.00 - $208.31

Q2 2025

Shares 190,331 Value ($000) $36,035 Avg Close $176.66 Range $141.74 - $196.38

Q1 2025

Shares 118,471 Value ($000) $18,820 Avg Close $196.30 Range $153.77 - $237.23

Q4 2024

Shares 246,378 Value ($000) $51,372 Avg Close $223.39 Range $204.13 - $256.22

Q3 2024

Shares 343,925 Value ($000) $87,467 Avg Close $235.95 Range $196.09 - $263.24

Q2 2024

Shares 920,036 Value ($000) $222,124 Avg Close $278.40 Range $232.80 - $331.64

Q1 2024

Shares 1,782,466 Value ($000) $584,506 Avg Close $293.39 Range $250.28 - $335.40

Q4 2023

Shares 1,460,480 Value ($000) $400,172 Avg Close $237.06 Range $176.34 - $305.36

Q3 2023

Shares 1,335,945 Value ($000) $407,891 Avg Close $345.55 Range $293.42 - $413.20

Q2 2023

Shares 1,147,330 Value ($000) $405,742 Avg Close $318.43 Range $273.46 - $363.27

Q1 2023

Shares 1,123,191 Value ($000) $375,303 Avg Close $295.03 Range $208.29 - $368.87

Q4 2022

Shares 1,090,537 Value ($000) $229,994 Avg Close $200.17 Range $172.05 - $233.64

Q3 2022

Shares 1,611,557 Value ($000) $333,770 Avg Close $257.42 Range $204.32 - $302.97

Q2 2022

Shares 1,906,234 Value ($000) $451,148 Avg Close $307.23 Range $225.86 - $451.19

Q1 2022

Shares 2,468,011 Value ($000) $1,076,053 Avg Close $486.73 Range $372.62 - $658.50

Q4 2021

Shares 2,425,299 Value ($000) $1,593,858 Avg Close $642.93 Range $572.51 - $713.33

Q3 2021

Shares 1,746,846 Value ($000) $1,162,404 Avg Close $679.09 Range $589.24 - $737.45

Q2 2021

Shares 1,654,546 Value ($000) $1,010,928 Avg Close $591.84 Range $536.23 - $647.20

Q1 2021

Shares 1,620,958 Value ($000) $877,797 Avg Close $552.79 Range $494.45 - $634.46

Q4 2020

Shares 1,870,652 Value ($000) $999,639 Avg Close $449.62 Range $310.03 - $543.65

Q3 2020

Shares 2,009,509 Value ($000) $657,833 Avg Close $305.27 Range $267.63 - $340.29

Q2 2020

Shares 1,972,524 Value ($000) $541,339 Avg Close $225.21 Range $150.38 - $292.04

Q1 2020

Shares 1,870,400 Value ($000) $325,356 Avg Close $239.46 Range $127.88 - $301.65

Q4 2019

Shares 896,336 Value ($000) $250,114 Avg Close $249.35 Range $175.52 - $281.57

Q3 2019

Shares 626,281 Value ($000) $113,307 Avg Close $207.89 Range $169.84 - $290.78

Q2 2019

Shares 130,888 Value ($000) $35,824 Avg Close $301.97 Range $263.70 - $334.64

Q1 2019

Shares 120,909 Value ($000) $34,378 Avg Close $238.66 Range $177.93 - $284.61

Q4 2018

Shares 123,209 Value ($000) $25,804 Avg Close $252.66 Range $188.57 - $397.85

Q3 2018

Shares 125,185 Value ($000) $48,975 Avg Close $368.95 Range $332.01 - $398.88

Q2 2018

Shares 140,158 Value ($000) $47,954 Avg Close $298.30 Range $234.40 - $371.55

Q1 2018

Shares 163,716 Value ($000) $41,114 Avg Close $256.81 Range $219.11 - $287.32

Q4 2017

Shares 745,237 Value ($000) $165,584 Avg Close $227.14 Range $184.67 - $266.41

Q3 2017

Shares 1,009,069 Value ($000) $187,959 Avg Close $171.20 Range $148.95 - $190.04

Q2 2017

Shares 1,487,755 Value ($000) $223,342 Avg Close $135.62 Range $113.40 - $154.85

Q1 2017

Shares 1,784,947 Value ($000) $204,751 Avg Close $101.02 Range $88.56 - $115.20

Q4 2016

Shares 1,976,475 Value ($000) $189,999 Avg Close $92.86 Range $83.27 - $102.10

Q3 2016

Shares 2,825,671 Value ($000) $264,907 Avg Close $90.43 Range $80.30 - $96.90

Q2 2016

Shares 4,057,671 Value ($000) $326,845 Avg Close $76.47 Range $70.03 - $81.98

Q1 2016

Shares 4,733,956 Value ($000) $344,111 Avg Close $65.48 Range $57.31 - $73.55

Q4 2015

Shares 4,815,022 Value ($000) $317,069 Avg Close $64.15 Range $54.69 - $68.48

Q3 2015

Shares 4,421,487 Value ($000) $250,964 Avg Close $59.62 Range $52.01 - $66.53

Q2 2015

Shares 3,730,085 Value ($000) $233,914 Avg Close $59.07 Range $51.65 - $64.99

Q1 2015

Shares 2,715,115 Value ($000) $146,032 Avg Close $56.98 Range $51.77 - $64.75

Q4 2014

Shares 2,663,264 Value ($000) $148,903 Avg Close $52.90 Range $43.27 - $57.72

Q3 2014

Shares 1,565,610 Value ($000) $80,911 Avg Close $54.46 Range $51.29 - $57.79

Q2 2014

Shares 1,759,083 Value ($000) $98,579 Avg Close $52.02 Range $47.22 - $57.50

Q1 2014

Shares 2,243,131 Value ($000) $116,172 Avg Close $55.98 Range $50.37 - $65.10

Q4 2013

Shares 2,120,446 Value ($000) $121,183 Avg Close $53.83 Range $41.83 - $60.00

Q3 2013

Shares 2,444,789 Value ($000) $117,643 Avg Close $43.65 Range $36.92 - $49.08

Q2 2013

Shares 2,029,568 Value ($000) $75,175 Avg Close $34.47 Range $29.53 - $38.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	181,281	$28,307	$143.30	$124.91 - $167.02
Q3 2025	308,441	$38,623	$156.63	$122.00 - $208.31
Q2 2025	190,331	$36,035	$176.66	$141.74 - $196.38
Q1 2025	118,471	$18,820	$196.30	$153.77 - $237.23
Q4 2024	246,378	$51,372	$223.39	$204.13 - $256.22
Q3 2024	343,925	$87,467	$235.95	$196.09 - $263.24
Q2 2024	920,036	$222,124	$278.40	$232.80 - $331.64
Q1 2024	1,782,466	$584,506	$293.39	$250.28 - $335.40
Q4 2023	1,460,480	$400,172	$237.06	$176.34 - $305.36
Q3 2023	1,335,945	$407,891	$345.55	$293.42 - $413.20
Q2 2023	1,147,330	$405,742	$318.43	$273.46 - $363.27
Q1 2023	1,123,191	$375,303	$295.03	$208.29 - $368.87
Q4 2022	1,090,537	$229,994	$200.17	$172.05 - $233.64
Q3 2022	1,611,557	$333,770	$257.42	$204.32 - $302.97
Q2 2022	1,906,234	$451,148	$307.23	$225.86 - $451.19
Q1 2022	2,468,011	$1,076,053	$486.73	$372.62 - $658.50
Q4 2021	2,425,299	$1,593,858	$642.93	$572.51 - $713.33
Q3 2021	1,746,846	$1,162,404	$679.09	$589.24 - $737.45
Q2 2021	1,654,546	$1,010,928	$591.84	$536.23 - $647.20
Q1 2021	1,620,958	$877,797	$552.79	$494.45 - $634.46
Q4 2020	1,870,652	$999,639	$449.62	$310.03 - $543.65
Q3 2020	2,009,509	$657,833	$305.27	$267.63 - $340.29
Q2 2020	1,972,524	$541,339	$225.21	$150.38 - $292.04
Q1 2020	1,870,400	$325,356	$239.46	$127.88 - $301.65
Q4 2019	896,336	$250,114	$249.35	$175.52 - $281.57
Q3 2019	626,281	$113,307	$207.89	$169.84 - $290.78
Q2 2019	130,888	$35,824	$301.97	$263.70 - $334.64
Q1 2019	120,909	$34,378	$238.66	$177.93 - $284.61
Q4 2018	123,209	$25,804	$252.66	$188.57 - $397.85
Q3 2018	125,185	$48,975	$368.95	$332.01 - $398.88
Q2 2018	140,158	$47,954	$298.30	$234.40 - $371.55
Q1 2018	163,716	$41,114	$256.81	$219.11 - $287.32
Q4 2017	745,237	$165,584	$227.14	$184.67 - $266.41
Q3 2017	1,009,069	$187,959	$171.20	$148.95 - $190.04
Q2 2017	1,487,755	$223,342	$135.62	$113.40 - $154.85
Q1 2017	1,784,947	$204,751	$101.02	$88.56 - $115.20
Q4 2016	1,976,475	$189,999	$92.86	$83.27 - $102.10
Q3 2016	2,825,671	$264,907	$90.43	$80.30 - $96.90
Q2 2016	4,057,671	$326,845	$76.47	$70.03 - $81.98
Q1 2016	4,733,956	$344,111	$65.48	$57.31 - $73.55
Q4 2015	4,815,022	$317,069	$64.15	$54.69 - $68.48
Q3 2015	4,421,487	$250,964	$59.62	$52.01 - $66.53
Q2 2015	3,730,085	$233,914	$59.07	$51.65 - $64.99
Q1 2015	2,715,115	$146,032	$56.98	$51.77 - $64.75
Q4 2014	2,663,264	$148,903	$52.90	$43.27 - $57.72
Q3 2014	1,565,610	$80,911	$54.46	$51.29 - $57.79
Q2 2014	1,759,083	$98,579	$52.02	$47.22 - $57.50
Q1 2014	2,243,131	$116,172	$55.98	$50.37 - $65.10
Q4 2013	2,120,446	$121,183	$53.83	$41.83 - $60.00
Q3 2013	2,444,789	$117,643	$43.65	$36.92 - $49.08
Q2 2013	2,029,568	$75,175	$34.47	$29.53 - $38.74