ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

DIMENSIONAL FUND ADVISORS LP's Holding History (CIK: 0000354204)

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

Q4 2025

Shares 801,996 Value ($000) $125,237 Avg Close $143.30 Range $124.91 - $167.02

Q3 2025

Shares 605,532 Value ($000) $75,828 Avg Close $156.63 Range $122.00 - $208.31

Q2 2025

Shares 337,334 Value ($000) $63,869 Avg Close $176.66 Range $141.74 - $196.38

Q1 2025

Shares 359,284 Value ($000) $57,070 Avg Close $196.30 Range $153.77 - $237.23

Q4 2024

Shares 354,725 Value ($000) $73,961 Avg Close $223.39 Range $204.13 - $256.22

Q3 2024

Shares 259,332 Value ($000) $65,955 Avg Close $235.95 Range $196.09 - $263.24

Q2 2024

Shares 264,524 Value ($000) $63,873 Avg Close $278.40 Range $232.80 - $331.64

Q1 2024

Shares 232,576 Value ($000) $76,266 Avg Close $293.39 Range $250.28 - $335.40

Q4 2023

Shares 213,667 Value ($000) $58,548 Avg Close $237.06 Range $176.34 - $305.36

Q3 2023

Shares 206,401 Value ($000) $63,022 Avg Close $345.55 Range $293.42 - $413.20

Q2 2023

Shares 211,148 Value ($000) $74,661 Avg Close $318.43 Range $273.46 - $363.27

Q1 2023

Shares 214,984 Value ($000) $71,800 Avg Close $295.03 Range $208.29 - $368.87

Q4 2022

Shares 197,129 Value ($000) $42 Avg Close $200.17 Range $172.05 - $233.64

Q3 2022

Shares 191,443 Value ($000) $39,659 Avg Close $257.42 Range $204.32 - $302.97

Q2 2022

Shares 186,483 Value ($000) $44,137 Avg Close $307.23 Range $225.86 - $451.19

Q1 2022

Shares 180,978 Value ($000) $78,911 Avg Close $486.73 Range $372.62 - $658.50

Q4 2021

Shares 162,825 Value ($000) $107,007 Avg Close $642.93 Range $572.51 - $713.33

Q3 2021

Shares 172,899 Value ($000) $115,057 Avg Close $679.09 Range $589.24 - $737.45

Q2 2021

Shares 177,554 Value ($000) $108,486 Avg Close $591.84 Range $536.23 - $647.20

Q1 2021

Shares 239,533 Value ($000) $129,707 Avg Close $552.79 Range $494.45 - $634.46

Q4 2020

Shares 284,675 Value ($000) $152,119 Avg Close $449.62 Range $310.03 - $543.65

Q3 2020

Shares 296,477 Value ($000) $97,049 Avg Close $305.27 Range $267.63 - $340.29

Q2 2020

Shares 320,142 Value ($000) $87,844 Avg Close $225.21 Range $150.38 - $292.04

Q1 2020

Shares 360,587 Value ($000) $62,733 Avg Close $239.46 Range $127.88 - $301.65

Q4 2019

Shares 365,337 Value ($000) $101,937 Avg Close $249.35 Range $175.52 - $281.57

Q3 2019

Shares 365,860 Value ($000) $66,182 Avg Close $207.89 Range $169.84 - $290.78

Q2 2019

Shares 361,955 Value ($000) $99,062 Avg Close $301.97 Range $263.70 - $334.64

Q1 2019

Shares 353,271 Value ($000) $100,428 Avg Close $238.66 Range $177.93 - $284.61

Q4 2018

Shares 351,775 Value ($000) $73,674 Avg Close $252.66 Range $188.57 - $397.85

Q3 2018

Shares 340,066 Value ($000) $133,037 Avg Close $368.95 Range $332.01 - $398.88

Q2 2018

Shares 336,936 Value ($000) $115,284 Avg Close $298.30 Range $234.40 - $371.55

Q1 2018

Shares 371,174 Value ($000) $93,213 Avg Close $256.81 Range $219.11 - $287.32

Q4 2017

Shares 369,490 Value ($000) $82,107 Avg Close $227.14 Range $184.67 - $266.41

Q3 2017

Shares 381,522 Value ($000) $71,060 Avg Close $171.20 Range $148.95 - $190.04

Q2 2017

Shares 382,597 Value ($000) $57,433 Avg Close $135.62 Range $113.40 - $154.85

Q1 2017

Shares 353,958 Value ($000) $40,601 Avg Close $101.02 Range $88.56 - $115.20

Q4 2016

Shares 354,993 Value ($000) $34,127 Avg Close $92.86 Range $83.27 - $102.10

Q3 2016

Shares 365,718 Value ($000) $34,284 Avg Close $90.43 Range $80.30 - $96.90

Q2 2016

Shares 363,325 Value ($000) $29,265 Avg Close $76.47 Range $70.03 - $81.98

Q1 2016

Shares 380,745 Value ($000) $27,675 Avg Close $65.48 Range $57.31 - $73.55

Q4 2015

Shares 382,245 Value ($000) $25,171 Avg Close $64.15 Range $54.69 - $68.48

Q3 2015

Shares 364,247 Value ($000) $20,674 Avg Close $59.62 Range $52.01 - $66.53

Q2 2015

Shares 342,175 Value ($000) $21,457 Avg Close $59.07 Range $51.65 - $64.99

Q1 2015

Shares 283,252 Value ($000) $15,235 Avg Close $56.98 Range $51.77 - $64.75

Q4 2014

Shares 271,594 Value ($000) $15,186 Avg Close $52.90 Range $43.27 - $57.72

Q3 2014

Shares 256,247 Value ($000) $13,246 Avg Close $54.46 Range $51.29 - $57.79

Q2 2014

Shares 252,385 Value ($000) $14,144 Avg Close $52.02 Range $47.22 - $57.50

Q1 2014

Shares 524,577 Value ($000) $27,167 Avg Close $55.98 Range $50.37 - $65.10

Q4 2013

Shares 578,101 Value ($000) $33,038 Avg Close $53.83 Range $41.83 - $60.00

Q3 2013

Shares 587,863 Value ($000) $28,287 Avg Close $43.65 Range $36.92 - $49.08

Q2 2013

Shares 642,477 Value ($000) $23,797 Avg Close $34.47 Range $29.53 - $38.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	801,996	$125,237	$143.30	$124.91 - $167.02
Q3 2025	605,532	$75,828	$156.63	$122.00 - $208.31
Q2 2025	337,334	$63,869	$176.66	$141.74 - $196.38
Q1 2025	359,284	$57,070	$196.30	$153.77 - $237.23
Q4 2024	354,725	$73,961	$223.39	$204.13 - $256.22
Q3 2024	259,332	$65,955	$235.95	$196.09 - $263.24
Q2 2024	264,524	$63,873	$278.40	$232.80 - $331.64
Q1 2024	232,576	$76,266	$293.39	$250.28 - $335.40
Q4 2023	213,667	$58,548	$237.06	$176.34 - $305.36
Q3 2023	206,401	$63,022	$345.55	$293.42 - $413.20
Q2 2023	211,148	$74,661	$318.43	$273.46 - $363.27
Q1 2023	214,984	$71,800	$295.03	$208.29 - $368.87
Q4 2022	197,129	$42	$200.17	$172.05 - $233.64
Q3 2022	191,443	$39,659	$257.42	$204.32 - $302.97
Q2 2022	186,483	$44,137	$307.23	$225.86 - $451.19
Q1 2022	180,978	$78,911	$486.73	$372.62 - $658.50
Q4 2021	162,825	$107,007	$642.93	$572.51 - $713.33
Q3 2021	172,899	$115,057	$679.09	$589.24 - $737.45
Q2 2021	177,554	$108,486	$591.84	$536.23 - $647.20
Q1 2021	239,533	$129,707	$552.79	$494.45 - $634.46
Q4 2020	284,675	$152,119	$449.62	$310.03 - $543.65
Q3 2020	296,477	$97,049	$305.27	$267.63 - $340.29
Q2 2020	320,142	$87,844	$225.21	$150.38 - $292.04
Q1 2020	360,587	$62,733	$239.46	$127.88 - $301.65
Q4 2019	365,337	$101,937	$249.35	$175.52 - $281.57
Q3 2019	365,860	$66,182	$207.89	$169.84 - $290.78
Q2 2019	361,955	$99,062	$301.97	$263.70 - $334.64
Q1 2019	353,271	$100,428	$238.66	$177.93 - $284.61
Q4 2018	351,775	$73,674	$252.66	$188.57 - $397.85
Q3 2018	340,066	$133,037	$368.95	$332.01 - $398.88
Q2 2018	336,936	$115,284	$298.30	$234.40 - $371.55
Q1 2018	371,174	$93,213	$256.81	$219.11 - $287.32
Q4 2017	369,490	$82,107	$227.14	$184.67 - $266.41
Q3 2017	381,522	$71,060	$171.20	$148.95 - $190.04
Q2 2017	382,597	$57,433	$135.62	$113.40 - $154.85
Q1 2017	353,958	$40,601	$101.02	$88.56 - $115.20
Q4 2016	354,993	$34,127	$92.86	$83.27 - $102.10
Q3 2016	365,718	$34,284	$90.43	$80.30 - $96.90
Q2 2016	363,325	$29,265	$76.47	$70.03 - $81.98
Q1 2016	380,745	$27,675	$65.48	$57.31 - $73.55
Q4 2015	382,245	$25,171	$64.15	$54.69 - $68.48
Q3 2015	364,247	$20,674	$59.62	$52.01 - $66.53
Q2 2015	342,175	$21,457	$59.07	$51.65 - $64.99
Q1 2015	283,252	$15,235	$56.98	$51.77 - $64.75
Q4 2014	271,594	$15,186	$52.90	$43.27 - $57.72
Q3 2014	256,247	$13,246	$54.46	$51.29 - $57.79
Q2 2014	252,385	$14,144	$52.02	$47.22 - $57.50
Q1 2014	524,577	$27,167	$55.98	$50.37 - $65.10
Q4 2013	578,101	$33,038	$53.83	$41.83 - $60.00
Q3 2013	587,863	$28,287	$43.65	$36.92 - $49.08
Q2 2013	642,477	$23,797	$34.47	$29.53 - $38.74