ALIGN TECHNOLOGY INC

Ticker: ALGN CUSIP: 016255101 Class: COM

DISCIPLINED GROWTH INVESTORS INC /MN's Holding History (CIK: 0001050442)

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

Q4 2025

Shares 820,935 Value ($000) $128,189 Avg Close $143.30 Range $124.91 - $167.02

Q3 2025

Shares 803,981 Value ($000) $100,675 Avg Close $156.63 Range $122.00 - $208.31

Q2 2025

Shares 844,987 Value ($000) $159,981 Avg Close $176.66 Range $141.74 - $196.38

Q1 2025

Shares 837,233 Value ($000) $133,003 Avg Close $196.30 Range $153.77 - $237.23

Q4 2024

Shares 787,596 Value ($000) $164,222 Avg Close $223.39 Range $204.13 - $256.22

Q3 2024

Shares 753,026 Value ($000) $191,510 Avg Close $235.95 Range $196.09 - $263.24

Q2 2024

Shares 707,542 Value ($000) $170,822 Avg Close $278.40 Range $232.80 - $331.64

Q1 2024

Shares 703,942 Value ($000) $230,837 Avg Close $293.39 Range $250.28 - $335.40

Q4 2023

Shares 671,389 Value ($000) $183,961 Avg Close $237.06 Range $176.34 - $305.36

Q3 2023

Shares 449,035 Value ($000) $137,099 Avg Close $345.55 Range $293.42 - $413.20

Q2 2023

Shares 456,190 Value ($000) $161,327 Avg Close $318.43 Range $273.46 - $363.27

Q1 2023

Shares 469,480 Value ($000) $156,872 Avg Close $295.03 Range $208.29 - $368.87

Q4 2022

Shares 511,390 Value ($000) $107,852 Avg Close $200.17 Range $172.05 - $233.64

Q3 2022

Shares 512,733 Value ($000) $106,192 Avg Close $257.42 Range $204.32 - $302.97

Q2 2022

Shares 510,282 Value ($000) $120,768 Avg Close $307.23 Range $225.86 - $451.19

Q1 2022

Shares 419,858 Value ($000) $183,058 Avg Close $486.73 Range $372.62 - $658.50

Q4 2021

Shares 410,090 Value ($000) $269,503 Avg Close $642.93 Range $572.51 - $713.33

Q3 2021

Shares 422,977 Value ($000) $281,462 Avg Close $679.09 Range $589.24 - $737.45

Q2 2021

Shares 431,388 Value ($000) $263,578 Avg Close $591.84 Range $536.23 - $647.20

Q1 2021

Shares 420,580 Value ($000) $227,757 Avg Close $552.79 Range $494.45 - $634.46

Q4 2020

Shares 483,123 Value ($000) $258,171 Avg Close $449.62 Range $310.03 - $543.65

Q3 2020

Shares 677,906 Value ($000) $221,919 Avg Close $305.27 Range $267.63 - $340.29

Q2 2020

Shares 697,382 Value ($000) $191,390 Avg Close $225.21 Range $150.38 - $292.04

Q1 2020

Shares 938,373 Value ($000) $163,230 Avg Close $239.46 Range $127.88 - $301.65

Q4 2019

Shares 948,136 Value ($000) $264,568 Avg Close $249.35 Range $175.52 - $281.57

Q3 2019

Shares 928,648 Value ($000) $168,011 Avg Close $207.89 Range $169.84 - $290.78

Q2 2019

Shares 910,084 Value ($000) $249,090 Avg Close $301.97 Range $263.70 - $334.64

Q1 2019

Shares 957,190 Value ($000) $272,158 Avg Close $238.66 Range $177.93 - $284.61

Q4 2018

Shares 956,482 Value ($000) $200,316 Avg Close $252.66 Range $188.57 - $397.85

Q3 2018

Shares 938,023 Value ($000) $366,973 Avg Close $368.95 Range $332.01 - $398.88

Q2 2018

Shares 928,065 Value ($000) $317,528 Avg Close $298.30 Range $234.40 - $371.55

Q1 2018

Shares 959,365 Value ($000) $240,925 Avg Close $256.81 Range $219.11 - $287.32

Q4 2017

Shares 993,617 Value ($000) $220,772 Avg Close $227.14 Range $184.67 - $266.41

Q3 2017

Shares 1,089,368 Value ($000) $202,917 Avg Close $171.20 Range $148.95 - $190.04

Q2 2017

Shares 1,109,867 Value ($000) $166,613 Avg Close $135.62 Range $113.40 - $154.85

Q1 2017

Shares 1,115,901 Value ($000) $128,005 Avg Close $101.02 Range $88.56 - $115.20

Q4 2016

Shares 1,122,656 Value ($000) $107,921 Avg Close $92.86 Range $83.27 - $102.10

Q3 2016

Shares 1,101,531 Value ($000) $103,269 Avg Close $90.43 Range $80.30 - $96.90

Q2 2016

Shares 1,119,141 Value ($000) $90,147 Avg Close $76.47 Range $70.03 - $81.98

Q1 2016

Shares 1,127,666 Value ($000) $81,970 Avg Close $65.48 Range $57.31 - $73.55

Q4 2015

Shares 1,164,110 Value ($000) $76,657 Avg Close $64.15 Range $54.69 - $68.48

Q3 2015

Shares 1,185,785 Value ($000) $67,305 Avg Close $59.62 Range $52.01 - $66.53

Q2 2015

Shares 1,170,360 Value ($000) $73,393 Avg Close $59.07 Range $51.65 - $64.99

Q1 2015

Shares 1,166,985 Value ($000) $62,766 Avg Close $56.98 Range $51.77 - $64.75

Q4 2014

Shares 1,163,485 Value ($000) $65,050 Avg Close $52.90 Range $43.27 - $57.72

Q3 2014

Shares 1,196,410 Value ($000) $61,830 Avg Close $54.46 Range $51.29 - $57.79

Q2 2014

Shares 1,194,060 Value ($000) $66,915 Avg Close $52.02 Range $47.22 - $57.50

Q1 2014

Shares 1,240,073 Value ($000) $64,223 Avg Close $55.98 Range $50.37 - $65.10

Q4 2013

Shares 1,204,723 Value ($000) $68,838 Avg Close $53.83 Range $41.83 - $60.00

Q3 2013

Shares 1,202,854 Value ($000) $57,857 Avg Close $43.65 Range $36.92 - $49.08

Q2 2013

Shares 1,198,009 Value ($000) $44,374 Avg Close $34.47 Range $29.53 - $38.74

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	820,935	$128,189	$143.30	$124.91 - $167.02
Q3 2025	803,981	$100,675	$156.63	$122.00 - $208.31
Q2 2025	844,987	$159,981	$176.66	$141.74 - $196.38
Q1 2025	837,233	$133,003	$196.30	$153.77 - $237.23
Q4 2024	787,596	$164,222	$223.39	$204.13 - $256.22
Q3 2024	753,026	$191,510	$235.95	$196.09 - $263.24
Q2 2024	707,542	$170,822	$278.40	$232.80 - $331.64
Q1 2024	703,942	$230,837	$293.39	$250.28 - $335.40
Q4 2023	671,389	$183,961	$237.06	$176.34 - $305.36
Q3 2023	449,035	$137,099	$345.55	$293.42 - $413.20
Q2 2023	456,190	$161,327	$318.43	$273.46 - $363.27
Q1 2023	469,480	$156,872	$295.03	$208.29 - $368.87
Q4 2022	511,390	$107,852	$200.17	$172.05 - $233.64
Q3 2022	512,733	$106,192	$257.42	$204.32 - $302.97
Q2 2022	510,282	$120,768	$307.23	$225.86 - $451.19
Q1 2022	419,858	$183,058	$486.73	$372.62 - $658.50
Q4 2021	410,090	$269,503	$642.93	$572.51 - $713.33
Q3 2021	422,977	$281,462	$679.09	$589.24 - $737.45
Q2 2021	431,388	$263,578	$591.84	$536.23 - $647.20
Q1 2021	420,580	$227,757	$552.79	$494.45 - $634.46
Q4 2020	483,123	$258,171	$449.62	$310.03 - $543.65
Q3 2020	677,906	$221,919	$305.27	$267.63 - $340.29
Q2 2020	697,382	$191,390	$225.21	$150.38 - $292.04
Q1 2020	938,373	$163,230	$239.46	$127.88 - $301.65
Q4 2019	948,136	$264,568	$249.35	$175.52 - $281.57
Q3 2019	928,648	$168,011	$207.89	$169.84 - $290.78
Q2 2019	910,084	$249,090	$301.97	$263.70 - $334.64
Q1 2019	957,190	$272,158	$238.66	$177.93 - $284.61
Q4 2018	956,482	$200,316	$252.66	$188.57 - $397.85
Q3 2018	938,023	$366,973	$368.95	$332.01 - $398.88
Q2 2018	928,065	$317,528	$298.30	$234.40 - $371.55
Q1 2018	959,365	$240,925	$256.81	$219.11 - $287.32
Q4 2017	993,617	$220,772	$227.14	$184.67 - $266.41
Q3 2017	1,089,368	$202,917	$171.20	$148.95 - $190.04
Q2 2017	1,109,867	$166,613	$135.62	$113.40 - $154.85
Q1 2017	1,115,901	$128,005	$101.02	$88.56 - $115.20
Q4 2016	1,122,656	$107,921	$92.86	$83.27 - $102.10
Q3 2016	1,101,531	$103,269	$90.43	$80.30 - $96.90
Q2 2016	1,119,141	$90,147	$76.47	$70.03 - $81.98
Q1 2016	1,127,666	$81,970	$65.48	$57.31 - $73.55
Q4 2015	1,164,110	$76,657	$64.15	$54.69 - $68.48
Q3 2015	1,185,785	$67,305	$59.62	$52.01 - $66.53
Q2 2015	1,170,360	$73,393	$59.07	$51.65 - $64.99
Q1 2015	1,166,985	$62,766	$56.98	$51.77 - $64.75
Q4 2014	1,163,485	$65,050	$52.90	$43.27 - $57.72
Q3 2014	1,196,410	$61,830	$54.46	$51.29 - $57.79
Q2 2014	1,194,060	$66,915	$52.02	$47.22 - $57.50
Q1 2014	1,240,073	$64,223	$55.98	$50.37 - $65.10
Q4 2013	1,204,723	$68,838	$53.83	$41.83 - $60.00
Q3 2013	1,202,854	$57,857	$43.65	$36.92 - $49.08
Q2 2013	1,198,009	$44,374	$34.47	$29.53 - $38.74